x/charm-plumgrid-director
Code Issues Proposed changes

Liberty changes

Browse Source
This commit is contained in:
Junaid Ali 2016-04-18 05:41:22 -07:00
commit 18c30872cf
31 changed files with 3262 additions and 519 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hooks/charmhelpers/contrib/amulet/deployment.py
View File

@ -51,7 +51,8 @@ class AmuletDeployment(object):
if 'units' not in this_service:
this_service['units'] = 1
self.d.add(this_service['name'], units=this_service['units'])
self.d.add(this_service['name'], units=this_service['units'],
constraints=this_service.get('constraints'))
for svc in other_services:
if 'location' in svc:
@ -64,7 +65,8 @@ class AmuletDeployment(object):
if 'units' not in svc:
svc['units'] = 1
self.d.add(svc['name'], charm=branch_location, units=svc['units'])
self.d.add(svc['name'], charm=branch_location, units=svc['units'],
constraints=svc.get('constraints'))
def _add_relations(self, relations):
"""Add all of the relations for the services."""

437
hooks/charmhelpers/contrib/amulet/utils.py
View File

@ -14,17 +14,25 @@
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import amulet
import ConfigParser
import distro_info
import io
import json
import logging
import os
import re
import six
import socket
import subprocess
import sys
import time
import urlparse
import uuid
import amulet
import distro_info
import six
from six.moves import configparser
if six.PY3:
from urllib import parse as urlparse
else:
import urlparse
class AmuletUtils(object):
@ -108,7 +116,7 @@ class AmuletUtils(object):
# /!\ DEPRECATION WARNING (beisner):
# New and existing tests should be rewritten to use
# validate_services_by_name() as it is aware of init systems.
self.log.warn('/!\\ DEPRECATION WARNING: use '
self.log.warn('DEPRECATION WARNING: use '
'validate_services_by_name instead of validate_services '
'due to init system differences.')
@ -142,19 +150,23 @@ class AmuletUtils(object):
for service_name in services_list:
if (self.ubuntu_releases.index(release) >= systemd_switch or
service_name == "rabbitmq-server"):
# init is systemd
service_name in ['rabbitmq-server', 'apache2']):
# init is systemd (or regular sysv)
cmd = 'sudo service {} status'.format(service_name)
output, code = sentry_unit.run(cmd)
service_running = code == 0
elif self.ubuntu_releases.index(release) < systemd_switch:
# init is upstart
cmd = 'sudo status {}'.format(service_name)
output, code = sentry_unit.run(cmd)
service_running = code == 0 and "start/running" in output
self.log.debug('{} `{}` returned '
'{}'.format(sentry_unit.info['unit_name'],
cmd, code))
if code != 0:
return "command `{}` returned {}".format(cmd, str(code))
if not service_running:
return u"command `{}` returned {} {}".format(
cmd, output, str(code))
return None
def _get_config(self, unit, filename):
@ -164,7 +176,7 @@ class AmuletUtils(object):
# NOTE(beisner): by default, ConfigParser does not handle options
# with no value, such as the flags used in the mysql my.cnf file.
# https://bugs.python.org/issue7005
config = ConfigParser.ConfigParser(allow_no_value=True)
config = configparser.ConfigParser(allow_no_value=True)
config.readfp(io.StringIO(file_contents))
return config
@ -259,33 +271,52 @@ class AmuletUtils(object):
"""Get last modification time of directory."""
return sentry_unit.directory_stat(directory)['mtime']
def _get_proc_start_time(self, sentry_unit, service, pgrep_full=False):
"""Get process' start time.
def _get_proc_start_time(self, sentry_unit, service, pgrep_full=None):
"""Get start time of a process based on the last modification time
of the /proc/pid directory.
Determine start time of the process based on the last modification
time of the /proc/pid directory. If pgrep_full is True, the process
name is matched against the full command line.
:sentry_unit: The sentry unit to check for the service on
:service: service name to look for in process table
:pgrep_full: [Deprecated] Use full command line search mode with pgrep
:returns: epoch time of service process start
:param commands: list of bash commands
:param sentry_units: list of sentry unit pointers
:returns: None if successful; Failure message otherwise
"""
if pgrep_full:
cmd = 'pgrep -o -f {}'.format(service)
else:
cmd = 'pgrep -o {}'.format(service)
cmd = cmd + ' | grep -v pgrep || exit 0'
cmd_out = sentry_unit.run(cmd)
self.log.debug('CMDout: ' + str(cmd_out))
if cmd_out[0]:
self.log.debug('Pid for %s %s' % (service, str(cmd_out[0])))
proc_dir = '/proc/{}'.format(cmd_out[0].strip())
if pgrep_full is not None:
# /!\ DEPRECATION WARNING (beisner):
# No longer implemented, as pidof is now used instead of pgrep.
# https://bugs.launchpad.net/charm-helpers/+bug/1474030
self.log.warn('DEPRECATION WARNING: pgrep_full bool is no '
'longer implemented re: lp 1474030.')
pid_list = self.get_process_id_list(sentry_unit, service)
pid = pid_list[0]
proc_dir = '/proc/{}'.format(pid)
self.log.debug('Pid for {} on {}: {}'.format(
service, sentry_unit.info['unit_name'], pid))
return self._get_dir_mtime(sentry_unit, proc_dir)
def service_restarted(self, sentry_unit, service, filename,
pgrep_full=False, sleep_time=20):
pgrep_full=None, sleep_time=20):
"""Check if service was restarted.
Compare a service's start time vs a file's last modification time
(such as a config file for that service) to determine if the service
has been restarted.
"""
# /!\ DEPRECATION WARNING (beisner):
# This method is prone to races in that no before-time is known.
# Use validate_service_config_changed instead.
# NOTE(beisner) pgrep_full is no longer implemented, as pidof is now
# used instead of pgrep. pgrep_full is still passed through to ensure
# deprecation WARNS. lp1474030
self.log.warn('DEPRECATION WARNING: use '
'validate_service_config_changed instead of '
'service_restarted due to known races.')
time.sleep(sleep_time)
if (self._get_proc_start_time(sentry_unit, service, pgrep_full) >=
self._get_file_mtime(sentry_unit, filename)):
@ -294,78 +325,122 @@ class AmuletUtils(object):
return False
def service_restarted_since(self, sentry_unit, mtime, service,
pgrep_full=False, sleep_time=20,
retry_count=2):
pgrep_full=None, sleep_time=20,
retry_count=30, retry_sleep_time=10):
"""Check if service was been started after a given time.
Args:
sentry_unit (sentry): The sentry unit to check for the service on
mtime (float): The epoch time to check against
service (string): service name to look for in process table
pgrep_full (boolean): Use full command line search mode with pgrep
sleep_time (int): Seconds to sleep before looking for process
retry_count (int): If service is not found, how many times to retry
pgrep_full: [Deprecated] Use full command line search mode with pgrep
sleep_time (int): Initial sleep time (s) before looking for file
retry_sleep_time (int): Time (s) to sleep between retries
retry_count (int): If file is not found, how many times to retry
Returns:
bool: True if service found and its start time it newer than mtime,
False if service is older than mtime or if service was
not found.
"""
self.log.debug('Checking %s restarted since %s' % (service, mtime))
# NOTE(beisner) pgrep_full is no longer implemented, as pidof is now
# used instead of pgrep. pgrep_full is still passed through to ensure
# deprecation WARNS. lp1474030
unit_name = sentry_unit.info['unit_name']
self.log.debug('Checking that %s service restarted since %s on '
'%s' % (service, mtime, unit_name))
time.sleep(sleep_time)
proc_start_time = self._get_proc_start_time(sentry_unit, service,
proc_start_time = None
tries = 0
while tries <= retry_count and not proc_start_time:
try:
proc_start_time = self._get_proc_start_time(sentry_unit,
service,
pgrep_full)
while retry_count > 0 and not proc_start_time:
self.log.debug('No pid file found for service %s, will retry %i '
'more times' % (service, retry_count))
time.sleep(30)
proc_start_time = self._get_proc_start_time(sentry_unit, service,
pgrep_full)
retry_count = retry_count - 1
self.log.debug('Attempt {} to get {} proc start time on {} '
'OK'.format(tries, service, unit_name))
except IOError as e:
# NOTE(beisner) - race avoidance, proc may not exist yet.
# https://bugs.launchpad.net/charm-helpers/+bug/1474030
self.log.debug('Attempt {} to get {} proc start time on {} '
'failed\n{}'.format(tries, service,
unit_name, e))
time.sleep(retry_sleep_time)
tries += 1
if not proc_start_time:
self.log.warn('No proc start time found, assuming service did '
'not start')
return False
if proc_start_time >= mtime:
self.log.debug('proc start time is newer than provided mtime'
'(%s >= %s)' % (proc_start_time, mtime))
self.log.debug('Proc start time is newer than provided mtime'
'(%s >= %s) on %s (OK)' % (proc_start_time,
mtime, unit_name))
return True
else:
self.log.warn('proc start time (%s) is older than provided mtime '
'(%s), service did not restart' % (proc_start_time,
mtime))
self.log.warn('Proc start time (%s) is older than provided mtime '
'(%s) on %s, service did not '
'restart' % (proc_start_time, mtime, unit_name))
return False
def config_updated_since(self, sentry_unit, filename, mtime,
sleep_time=20):
sleep_time=20, retry_count=30,
retry_sleep_time=10):
"""Check if file was modified after a given time.
Args:
sentry_unit (sentry): The sentry unit to check the file mtime on
filename (string): The file to check mtime of
mtime (float): The epoch time to check against
sleep_time (int): Seconds to sleep before looking for process
sleep_time (int): Initial sleep time (s) before looking for file
retry_sleep_time (int): Time (s) to sleep between retries
retry_count (int): If file is not found, how many times to retry
Returns:
bool: True if file was modified more recently than mtime, False if
file was modified before mtime,
file was modified before mtime, or if file not found.
"""
self.log.debug('Checking %s updated since %s' % (filename, mtime))
unit_name = sentry_unit.info['unit_name']
self.log.debug('Checking that %s updated since %s on '
'%s' % (filename, mtime, unit_name))
time.sleep(sleep_time)
file_mtime = None
tries = 0
while tries <= retry_count and not file_mtime:
try:
file_mtime = self._get_file_mtime(sentry_unit, filename)
self.log.debug('Attempt {} to get {} file mtime on {} '
'OK'.format(tries, filename, unit_name))
except IOError as e:
# NOTE(beisner) - race avoidance, file may not exist yet.
# https://bugs.launchpad.net/charm-helpers/+bug/1474030
self.log.debug('Attempt {} to get {} file mtime on {} '
'failed\n{}'.format(tries, filename,
unit_name, e))
time.sleep(retry_sleep_time)
tries += 1
if not file_mtime:
self.log.warn('Could not determine file mtime, assuming '
'file does not exist')
return False
if file_mtime >= mtime:
self.log.debug('File mtime is newer than provided mtime '
'(%s >= %s)' % (file_mtime, mtime))
'(%s >= %s) on %s (OK)' % (file_mtime,
mtime, unit_name))
return True
else:
self.log.warn('File mtime %s is older than provided mtime %s'
% (file_mtime, mtime))
self.log.warn('File mtime is older than provided mtime'
'(%s < on %s) on %s' % (file_mtime,
mtime, unit_name))
return False
def validate_service_config_changed(self, sentry_unit, mtime, service,
filename, pgrep_full=False,
sleep_time=20, retry_count=2):
filename, pgrep_full=None,
sleep_time=20, retry_count=30,
retry_sleep_time=10):
"""Check service and file were updated after mtime
Args:
@ -373,9 +448,10 @@ class AmuletUtils(object):
mtime (float): The epoch time to check against
service (string): service name to look for in process table
filename (string): The file to check mtime of
pgrep_full (boolean): Use full command line search mode with pgrep
sleep_time (int): Seconds to sleep before looking for process
pgrep_full: [Deprecated] Use full command line search mode with pgrep
sleep_time (int): Initial sleep in seconds to pass to test helpers
retry_count (int): If service is not found, how many times to retry
retry_sleep_time (int): Time in seconds to wait between retries
Typical Usage:
u = OpenStackAmuletUtils(ERROR)
@ -392,15 +468,27 @@ class AmuletUtils(object):
mtime, False if service is older than mtime or if service was
not found or if filename was modified before mtime.
"""
self.log.debug('Checking %s restarted since %s' % (service, mtime))
time.sleep(sleep_time)
service_restart = self.service_restarted_since(sentry_unit, mtime,
# NOTE(beisner) pgrep_full is no longer implemented, as pidof is now
# used instead of pgrep. pgrep_full is still passed through to ensure
# deprecation WARNS. lp1474030
service_restart = self.service_restarted_since(
sentry_unit, mtime,
service,
pgrep_full=pgrep_full,
sleep_time=0,
retry_count=retry_count)
config_update = self.config_updated_since(sentry_unit, filename, mtime,
sleep_time=0)
sleep_time=sleep_time,
retry_count=retry_count,
retry_sleep_time=retry_sleep_time)
config_update = self.config_updated_since(
sentry_unit,
filename,
mtime,
sleep_time=sleep_time,
retry_count=retry_count,
retry_sleep_time=retry_sleep_time)
return service_restart and config_update
def get_sentry_time(self, sentry_unit):
@ -418,7 +506,6 @@ class AmuletUtils(object):
"""Return a list of all Ubuntu releases in order of release."""
_d = distro_info.UbuntuDistroInfo()
_release_list = _d.all
self.log.debug('Ubuntu release list: {}'.format(_release_list))
return _release_list
def file_to_url(self, file_rel_path):
@ -450,15 +537,20 @@ class AmuletUtils(object):
cmd, code, output))
return None
def get_process_id_list(self, sentry_unit, process_name):
def get_process_id_list(self, sentry_unit, process_name,
expect_success=True):
"""Get a list of process ID(s) from a single sentry juju unit
for a single process name.
:param sentry_unit: Pointer to amulet sentry instance (juju unit)
:param sentry_unit: Amulet sentry instance (juju unit)
:param process_name: Process name
:param expect_success: If False, expect the PID to be missing,
raise if it is present.
:returns: List of process IDs
"""
cmd = 'pidof {}'.format(process_name)
cmd = 'pidof -x {}'.format(process_name)
if not expect_success:
cmd += " || exit 0 && exit 1"
output, code = sentry_unit.run(cmd)
if code != 0:
msg = ('{} `{}` returned {} '
@ -467,14 +559,23 @@ class AmuletUtils(object):
amulet.raise_status(amulet.FAIL, msg=msg)
return str(output).split()
def get_unit_process_ids(self, unit_processes):
def get_unit_process_ids(self, unit_processes, expect_success=True):
"""Construct a dict containing unit sentries, process names, and
process IDs."""
process IDs.
:param unit_processes: A dictionary of Amulet sentry instance
to list of process names.
:param expect_success: if False expect the processes to not be
running, raise if they are.
:returns: Dictionary of Amulet sentry instance to dictionary
of process names to PIDs.
"""
pid_dict = {}
for sentry_unit, process_list in unit_processes.iteritems():
for sentry_unit, process_list in six.iteritems(unit_processes):
pid_dict[sentry_unit] = {}
for process in process_list:
pids = self.get_process_id_list(sentry_unit, process)
pids = self.get_process_id_list(
sentry_unit, process, expect_success=expect_success)
pid_dict[sentry_unit].update({process: pids})
return pid_dict
@ -488,7 +589,7 @@ class AmuletUtils(object):
return ('Unit count mismatch. expected, actual: {}, '
'{} '.format(len(expected), len(actual)))
for (e_sentry, e_proc_names) in expected.iteritems():
for (e_sentry, e_proc_names) in six.iteritems(expected):
e_sentry_name = e_sentry.info['unit_name']
if e_sentry in actual.keys():
a_proc_names = actual[e_sentry]
@ -507,11 +608,23 @@ class AmuletUtils(object):
'{}'.format(e_proc_name, a_proc_name))
a_pids_length = len(a_pids)
if e_pids_length != a_pids_length:
return ('PID count mismatch. {} ({}) expected, actual: '
fail_msg = ('PID count mismatch. {} ({}) expected, actual: '
'{}, {} ({})'.format(e_sentry_name, e_proc_name,
e_pids_length, a_pids_length,
a_pids))
# If expected is not bool, ensure PID quantities match
if not isinstance(e_pids_length, bool) and \
a_pids_length != e_pids_length:
return fail_msg
# If expected is bool True, ensure 1 or more PIDs exist
elif isinstance(e_pids_length, bool) and \
e_pids_length is True and a_pids_length < 1:
return fail_msg
# If expected is bool False, ensure 0 PIDs exist
elif isinstance(e_pids_length, bool) and \
e_pids_length is False and a_pids_length != 0:
return fail_msg
else:
self.log.debug('PID check OK: {} {} {}: '
'{}'.format(e_sentry_name, e_proc_name,
@ -531,3 +644,175 @@ class AmuletUtils(object):
return 'Dicts within list are not identical'
return None
def validate_sectionless_conf(self, file_contents, expected):
"""A crude conf parser. Useful to inspect configuration files which
do not have section headers (as would be necessary in order to use
the configparser). Such as openstack-dashboard or rabbitmq confs."""
for line in file_contents.split('\n'):
if '=' in line:
args = line.split('=')
if len(args) <= 1:
continue
key = args[0].strip()
value = args[1].strip()
if key in expected.keys():
if expected[key] != value:
msg = ('Config mismatch. Expected, actual: {}, '
'{}'.format(expected[key], value))
amulet.raise_status(amulet.FAIL, msg=msg)
def get_unit_hostnames(self, units):
"""Return a dict of juju unit names to hostnames."""
host_names = {}
for unit in units:
host_names[unit.info['unit_name']] = \
str(unit.file_contents('/etc/hostname').strip())
self.log.debug('Unit host names: {}'.format(host_names))
return host_names
def run_cmd_unit(self, sentry_unit, cmd):
"""Run a command on a unit, return the output and exit code."""
output, code = sentry_unit.run(cmd)
if code == 0:
self.log.debug('{} `{}` command returned {} '
'(OK)'.format(sentry_unit.info['unit_name'],
cmd, code))
else:
msg = ('{} `{}` command returned {} '
'{}'.format(sentry_unit.info['unit_name'],
cmd, code, output))
amulet.raise_status(amulet.FAIL, msg=msg)
return str(output), code
def file_exists_on_unit(self, sentry_unit, file_name):
"""Check if a file exists on a unit."""
try:
sentry_unit.file_stat(file_name)
return True
except IOError:
return False
except Exception as e:
msg = 'Error checking file {}: {}'.format(file_name, e)
amulet.raise_status(amulet.FAIL, msg=msg)
def file_contents_safe(self, sentry_unit, file_name,
max_wait=60, fatal=False):
"""Get file contents from a sentry unit. Wrap amulet file_contents
with retry logic to address races where a file checks as existing,
but no longer exists by the time file_contents is called.
Return None if file not found. Optionally raise if fatal is True."""
unit_name = sentry_unit.info['unit_name']
file_contents = False
tries = 0
while not file_contents and tries < (max_wait / 4):
try:
file_contents = sentry_unit.file_contents(file_name)
except IOError:
self.log.debug('Attempt {} to open file {} from {} '
'failed'.format(tries, file_name,
unit_name))
time.sleep(4)
tries += 1
if file_contents:
return file_contents
elif not fatal:
return None
elif fatal:
msg = 'Failed to get file contents from unit.'
amulet.raise_status(amulet.FAIL, msg)
def port_knock_tcp(self, host="localhost", port=22, timeout=15):
"""Open a TCP socket to check for a listening sevice on a host.
:param host: host name or IP address, default to localhost
:param port: TCP port number, default to 22
:param timeout: Connect timeout, default to 15 seconds
:returns: True if successful, False if connect failed
"""
# Resolve host name if possible
try:
connect_host = socket.gethostbyname(host)
host_human = "{} ({})".format(connect_host, host)
except socket.error as e:
self.log.warn('Unable to resolve address: '
'{} ({}) Trying anyway!'.format(host, e))
connect_host = host
host_human = connect_host
# Attempt socket connection
try:
knock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
knock.settimeout(timeout)
knock.connect((connect_host, port))
knock.close()
self.log.debug('Socket connect OK for host '
'{} on port {}.'.format(host_human, port))
return True
except socket.error as e:
self.log.debug('Socket connect FAIL for'
' {} port {} ({})'.format(host_human, port, e))
return False
def port_knock_units(self, sentry_units, port=22,
timeout=15, expect_success=True):
"""Open a TCP socket to check for a listening sevice on each
listed juju unit.
:param sentry_units: list of sentry unit pointers
:param port: TCP port number, default to 22
:param timeout: Connect timeout, default to 15 seconds
:expect_success: True by default, set False to invert logic
:returns: None if successful, Failure message otherwise
"""
for unit in sentry_units:
host = unit.info['public-address']
connected = self.port_knock_tcp(host, port, timeout)
if not connected and expect_success:
return 'Socket connect failed.'
elif connected and not expect_success:
return 'Socket connected unexpectedly.'
def get_uuid_epoch_stamp(self):
"""Returns a stamp string based on uuid4 and epoch time. Useful in
generating test messages which need to be unique-ish."""
return '[{}-{}]'.format(uuid.uuid4(), time.time())
# amulet juju action helpers:
def run_action(self, unit_sentry, action,
_check_output=subprocess.check_output):
"""Run the named action on a given unit sentry.
_check_output parameter is used for dependency injection.
@return action_id.
"""
unit_id = unit_sentry.info["unit_name"]
command = ["juju", "action", "do", "--format=json", unit_id, action]
self.log.info("Running command: %s\n" % " ".join(command))
output = _check_output(command, universal_newlines=True)
data = json.loads(output)
action_id = data[u'Action queued with id']
return action_id
def wait_on_action(self, action_id, _check_output=subprocess.check_output):
"""Wait for a given action, returning if it completed or not.
_check_output parameter is used for dependency injection.
"""
command = ["juju", "action", "fetch", "--format=json", "--wait=0",
action_id]
output = _check_output(command, universal_newlines=True)
data = json.loads(output)
return data.get(u"status") == "completed"
def status_get(self, unit):
"""Return the current service status of this unit."""
raw_status, return_code = unit.run(
"status-get --format=json --include-data")
if return_code != 0:
return ("unknown", "")
status = json.loads(raw_status)
return (status["status"], status["message"])

54
hooks/charmhelpers/contrib/charmsupport/nrpe.py
View File

@ -148,6 +148,13 @@ define service {{
self.description = description
self.check_cmd = self._locate_cmd(check_cmd)
def _get_check_filename(self):
return os.path.join(NRPE.nrpe_confdir, '{}.cfg'.format(self.command))
def _get_service_filename(self, hostname):
return os.path.join(NRPE.nagios_exportdir,
'service__{}_{}.cfg'.format(hostname, self.command))
def _locate_cmd(self, check_cmd):
search_path = (
'/usr/lib/nagios/plugins',
@ -163,9 +170,21 @@ define service {{
log('Check command not found: {}'.format(parts[0]))
return ''
def _remove_service_files(self):
if not os.path.exists(NRPE.nagios_exportdir):
return
for f in os.listdir(NRPE.nagios_exportdir):
if f.endswith('_{}.cfg'.format(self.command)):
os.remove(os.path.join(NRPE.nagios_exportdir, f))
def remove(self, hostname):
nrpe_check_file = self._get_check_filename()
if os.path.exists(nrpe_check_file):
os.remove(nrpe_check_file)
self._remove_service_files()
def write(self, nagios_context, hostname, nagios_servicegroups):
nrpe_check_file = '/etc/nagios/nrpe.d/{}.cfg'.format(
self.command)
nrpe_check_file = self._get_check_filename()
with open(nrpe_check_file, 'w') as nrpe_check_config:
nrpe_check_config.write("# check {}\n".format(self.shortname))
nrpe_check_config.write("command[{}]={}\n".format(
@ -180,9 +199,7 @@ define service {{
def write_service_config(self, nagios_context, hostname,
nagios_servicegroups):
for f in os.listdir(NRPE.nagios_exportdir):
if re.search('.*{}.cfg'.format(self.command), f):
os.remove(os.path.join(NRPE.nagios_exportdir, f))
self._remove_service_files()
templ_vars = {
'nagios_hostname': hostname,
@ -192,8 +209,7 @@ define service {{
'command': self.command,
}
nrpe_service_text = Check.service_template.format(**templ_vars)
nrpe_service_file = '{}/service__{}_{}.cfg'.format(
NRPE.nagios_exportdir, hostname, self.command)
nrpe_service_file = self._get_service_filename(hostname)
with open(nrpe_service_file, 'w') as nrpe_service_config:
nrpe_service_config.write(str(nrpe_service_text))
@ -217,6 +233,10 @@ class NRPE(object):
self.unit_name = local_unit().replace('/', '-')
if hostname:
self.hostname = hostname
else:
nagios_hostname = get_nagios_hostname()
if nagios_hostname:
self.hostname = nagios_hostname
else:
self.hostname = "{}-{}".format(self.nagios_context, self.unit_name)
self.checks = []
@ -224,6 +244,22 @@ class NRPE(object):
def add_check(self, *args, **kwargs):
self.checks.append(Check(*args, **kwargs))
def remove_check(self, *args, **kwargs):
if kwargs.get('shortname') is None:
raise ValueError('shortname of check must be specified')
# Use sensible defaults if they're not specified - these are not
# actually used during removal, but they're required for constructing
# the Check object; check_disk is chosen because it's part of the
# nagios-plugins-basic package.
if kwargs.get('check_cmd') is None:
kwargs['check_cmd'] = 'check_disk'
if kwargs.get('description') is None:
kwargs['description'] = ''
check = Check(*args, **kwargs)
check.remove(self.hostname)
def write(self):
try:
nagios_uid = pwd.getpwnam('nagios').pw_uid
@ -260,7 +296,7 @@ def get_nagios_hostcontext(relation_name='nrpe-external-master'):
:param str relation_name: Name of relation nrpe sub joined to
"""
for rel in relations_of_type(relation_name):
if 'nagios_hostname' in rel:
if 'nagios_host_context' in rel:
return rel['nagios_host_context']
@ -301,6 +337,8 @@ def add_init_service_checks(nrpe, services, unit_name):
upstart_init = '/etc/init/%s.conf' % svc
sysv_init = '/etc/init.d/%s' % svc
if os.path.exists(upstart_init):
# Don't add a check for these services from neutron-gateway
if svc not in ['ext-port', 'os-charm-phy-nic-mtu']:
nrpe.add_check(
shortname=svc,
description='process check {%s}' % unit_name,

0
hooks/charmhelpers/contrib/mellanox/__init__.py Normal file
View File

151
hooks/charmhelpers/contrib/mellanox/infiniband.py Normal file
View File

@ -0,0 +1,151 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014-2015 Canonical Limited.
#
# This file is part of charm-helpers.
#
# charm-helpers is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3 as
# published by the Free Software Foundation.
#
# charm-helpers is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>"
from charmhelpers.fetch import (
apt_install,
apt_update,
)
from charmhelpers.core.hookenv import (
log,
INFO,
)
try:
from netifaces import interfaces as network_interfaces
except ImportError:
apt_install('python-netifaces')
from netifaces import interfaces as network_interfaces
import os
import re
import subprocess
from charmhelpers.core.kernel import modprobe
REQUIRED_MODULES = (
"mlx4_ib",
"mlx4_en",
"mlx4_core",
"ib_ipath",
"ib_mthca",
"ib_srpt",
"ib_srp",
"ib_ucm",
"ib_isert",
"ib_iser",
"ib_ipoib",
"ib_cm",
"ib_uverbs"
"ib_umad",
"ib_sa",
"ib_mad",
"ib_core",
"ib_addr",
"rdma_ucm",
)
REQUIRED_PACKAGES = (
"ibutils",
"infiniband-diags",
"ibverbs-utils",
)
IPOIB_DRIVERS = (
"ib_ipoib",
)
ABI_VERSION_FILE = "/sys/class/infiniband_mad/abi_version"
class DeviceInfo(object):
pass
def install_packages():
apt_update()
apt_install(REQUIRED_PACKAGES, fatal=True)
def load_modules():
for module in REQUIRED_MODULES:
modprobe(module, persist=True)
def is_enabled():
"""Check if infiniband is loaded on the system"""
return os.path.exists(ABI_VERSION_FILE)
def stat():
"""Return full output of ibstat"""
return subprocess.check_output(["ibstat"])
def devices():
"""Returns a list of IB enabled devices"""
return subprocess.check_output(['ibstat', '-l']).splitlines()
def device_info(device):
"""Returns a DeviceInfo object with the current device settings"""
status = subprocess.check_output([
'ibstat', device, '-s']).splitlines()
regexes = {
"CA type: (.*)": "device_type",
"Number of ports: (.*)": "num_ports",
"Firmware version: (.*)": "fw_ver",
"Hardware version: (.*)": "hw_ver",
"Node GUID: (.*)": "node_guid",
"System image GUID: (.*)": "sys_guid",
}
device = DeviceInfo()
for line in status:
for expression, key in regexes.items():
matches = re.search(expression, line)
if matches:
setattr(device, key, matches.group(1))
return device
def ipoib_interfaces():
"""Return a list of IPOIB capable ethernet interfaces"""
interfaces = []
for interface in network_interfaces():
try:
driver = re.search('^driver: (.+)$', subprocess.check_output([
'ethtool', '-i',
interface]), re.M).group(1)
if driver in IPOIB_DRIVERS:
interfaces.append(interface)
except:
log("Skipping interface %s" % interface, level=INFO)
continue
return interfaces

18
hooks/charmhelpers/contrib/network/ip.py
View File

@ -23,7 +23,7 @@ import socket
from functools import partial
from charmhelpers.core.hookenv import unit_get
from charmhelpers.fetch import apt_install
from charmhelpers.fetch import apt_install, apt_update
from charmhelpers.core.hookenv import (
log,
WARNING,
@ -32,13 +32,15 @@ from charmhelpers.core.hookenv import (
try:
import netifaces
except ImportError:
apt_install('python-netifaces')
apt_update(fatal=True)
apt_install('python-netifaces', fatal=True)
import netifaces
try:
import netaddr
except ImportError:
apt_install('python-netaddr')
apt_update(fatal=True)
apt_install('python-netaddr', fatal=True)
import netaddr
@ -51,7 +53,7 @@ def _validate_cidr(network):
def no_ip_found_error_out(network):
errmsg = ("No IP address found in network: %s" % network)
errmsg = ("No IP address found in network(s): %s" % network)
raise ValueError(errmsg)
@ -59,7 +61,7 @@ def get_address_in_network(network, fallback=None, fatal=False):
"""Get an IPv4 or IPv6 address within the network from the host.
:param network (str): CIDR presentation format. For example,
'192.168.1.0/24'.
'192.168.1.0/24'. Supports multiple networks as a space-delimited list.
:param fallback (str): If no address is found, return fallback.
:param fatal (boolean): If no address is found, fallback is not
set and fatal is True then exit(1).
@ -73,6 +75,8 @@ def get_address_in_network(network, fallback=None, fatal=False):
else:
return None
networks = network.split() or [network]
for network in networks:
_validate_cidr(network)
network = netaddr.IPNetwork(network)
for iface in netifaces.interfaces():
@ -435,7 +439,11 @@ def get_hostname(address, fqdn=True):
rev = dns.reversename.from_address(address)
result = ns_query(rev)
if not result:
try:
result = socket.gethostbyaddr(address)[0]
except:
return None
else:
result = address

11
hooks/charmhelpers/contrib/network/ufw.py
View File

@ -40,7 +40,9 @@ Examples:
import re
import os
import subprocess
from charmhelpers.core import hookenv
from charmhelpers.core.kernel import modprobe, is_module_loaded
__author__ = "Felipe Reyes <felipe.reyes@canonical.com>"
@ -82,14 +84,11 @@ def is_ipv6_ok(soft_fail=False):
# do we have IPv6 in the machine?
if os.path.isdir('/proc/sys/net/ipv6'):
# is ip6tables kernel module loaded?
lsmod = subprocess.check_output(['lsmod'], universal_newlines=True)
matches = re.findall('^ip6_tables[ ]+', lsmod, re.M)
if len(matches) == 0:
if not is_module_loaded('ip6_tables'):
# ip6tables support isn't complete, let's try to load it
try:
subprocess.check_output(['modprobe', 'ip6_tables'],
universal_newlines=True)
# great, we could load the module
modprobe('ip6_tables')
# great, we can load the module
return True
except subprocess.CalledProcessError as ex:
hookenv.log("Couldn't load ip6_tables module: %s" % ex.output,

143
hooks/charmhelpers/contrib/openstack/amulet/deployment.py
View File

@ -14,12 +14,18 @@
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import logging
import re
import sys
import six
from collections import OrderedDict
from charmhelpers.contrib.amulet.deployment import (
AmuletDeployment
)
DEBUG = logging.DEBUG
ERROR = logging.ERROR
class OpenStackAmuletDeployment(AmuletDeployment):
"""OpenStack amulet deployment.
@ -28,9 +34,12 @@ class OpenStackAmuletDeployment(AmuletDeployment):
that is specifically for use by OpenStack charms.
"""
def __init__(self, series=None, openstack=None, source=None, stable=True):
def __init__(self, series=None, openstack=None, source=None,
stable=True, log_level=DEBUG):
"""Initialize the deployment environment."""
super(OpenStackAmuletDeployment, self).__init__(series)
self.log = self.get_logger(level=log_level)
self.log.info('OpenStackAmuletDeployment: init')
self.openstack = openstack
self.source = source
self.stable = stable
@ -38,26 +47,55 @@ class OpenStackAmuletDeployment(AmuletDeployment):
# out.
self.current_next = "trusty"
def get_logger(self, name="deployment-logger", level=logging.DEBUG):
"""Get a logger object that will log to stdout."""
log = logging
logger = log.getLogger(name)
fmt = log.Formatter("%(asctime)s %(funcName)s "
"%(levelname)s: %(message)s")
handler = log.StreamHandler(stream=sys.stdout)
handler.setLevel(level)
handler.setFormatter(fmt)
logger.addHandler(handler)
logger.setLevel(level)
return logger
def _determine_branch_locations(self, other_services):
"""Determine the branch locations for the other services.
Determine if the local branch being tested is derived from its
stable or next (dev) branch, and based on this, use the corresonding
stable or next branches for the other_services."""
base_charms = ['mysql', 'mongodb']
self.log.info('OpenStackAmuletDeployment: determine branch locations')
# Charms outside the lp:~openstack-charmers namespace
base_charms = ['mysql', 'mongodb', 'nrpe']
# Force these charms to current series even when using an older series.
# ie. Use trusty/nrpe even when series is precise, as the P charm
# does not possess the necessary external master config and hooks.
force_series_current = ['nrpe']
if self.series in ['precise', 'trusty']:
base_series = self.series
else:
base_series = self.current_next
if self.stable:
for svc in other_services:
if svc['name'] in force_series_current:
base_series = self.current_next
# If a location has been explicitly set, use it
if svc.get('location'):
continue
if self.stable:
temp = 'lp:charms/{}/{}'
svc['location'] = temp.format(base_series,
svc['name'])
else:
for svc in other_services:
if svc['name'] in base_charms:
temp = 'lp:charms/{}/{}'
svc['location'] = temp.format(base_series,
@ -66,10 +104,13 @@ class OpenStackAmuletDeployment(AmuletDeployment):
temp = 'lp:~openstack-charmers/charms/{}/{}/next'
svc['location'] = temp.format(self.current_next,
svc['name'])
return other_services
def _add_services(self, this_service, other_services):
"""Add services to the deployment and set openstack-origin/source."""
self.log.info('OpenStackAmuletDeployment: adding services')
other_services = self._determine_branch_locations(other_services)
super(OpenStackAmuletDeployment, self)._add_services(this_service,
@ -77,29 +118,103 @@ class OpenStackAmuletDeployment(AmuletDeployment):
services = other_services
services.append(this_service)
# Charms which should use the source config option
use_source = ['mysql', 'mongodb', 'rabbitmq-server', 'ceph',
'ceph-osd', 'ceph-radosgw']
# Most OpenStack subordinate charms do not expose an origin option
# as that is controlled by the principle.
ignore = ['cinder-ceph', 'hacluster', 'neutron-openvswitch']
'ceph-osd', 'ceph-radosgw', 'ceph-mon']
# Charms which can not use openstack-origin, ie. many subordinates
no_origin = ['cinder-ceph', 'hacluster', 'neutron-openvswitch', 'nrpe',
'openvswitch-odl', 'neutron-api-odl', 'odl-controller',
'cinder-backup']
if self.openstack:
for svc in services:
if svc['name'] not in use_source + ignore:
if svc['name'] not in use_source + no_origin:
config = {'openstack-origin': self.openstack}
self.d.configure(svc['name'], config)
if self.source:
for svc in services:
if svc['name'] in use_source and svc['name'] not in ignore:
if svc['name'] in use_source and svc['name'] not in no_origin:
config = {'source': self.source}
self.d.configure(svc['name'], config)
def _configure_services(self, configs):
"""Configure all of the services."""
self.log.info('OpenStackAmuletDeployment: configure services')
for service, config in six.iteritems(configs):
self.d.configure(service, config)
def _auto_wait_for_status(self, message=None, exclude_services=None,
include_only=None, timeout=1800):
"""Wait for all units to have a specific extended status, except
for any defined as excluded. Unless specified via message, any
status containing any case of 'ready' will be considered a match.
Examples of message usage:
Wait for all unit status to CONTAIN any case of 'ready' or 'ok':
message = re.compile('.*ready.*|.*ok.*', re.IGNORECASE)
Wait for all units to reach this status (exact match):
message = re.compile('^Unit is ready and clustered$')
Wait for all units to reach any one of these (exact match):
message = re.compile('Unit is ready|OK|Ready')
Wait for at least one unit to reach this status (exact match):
message = {'ready'}
See Amulet's sentry.wait_for_messages() for message usage detail.
https://github.com/juju/amulet/blob/master/amulet/sentry.py
:param message: Expected status match
:param exclude_services: List of juju service names to ignore,
not to be used in conjuction with include_only.
:param include_only: List of juju service names to exclusively check,
not to be used in conjuction with exclude_services.
:param timeout: Maximum time in seconds to wait for status match
:returns: None. Raises if timeout is hit.
"""
self.log.info('Waiting for extended status on units...')
all_services = self.d.services.keys()
if exclude_services and include_only:
raise ValueError('exclude_services can not be used '
'with include_only')
if message:
if isinstance(message, re._pattern_type):
match = message.pattern
else:
match = message
self.log.debug('Custom extended status wait match: '
'{}'.format(match))
else:
self.log.debug('Default extended status wait match: contains '
'READY (case-insensitive)')
message = re.compile('.*ready.*', re.IGNORECASE)
if exclude_services:
self.log.debug('Excluding services from extended status match: '
'{}'.format(exclude_services))
else:
exclude_services = []
if include_only:
services = include_only
else:
services = list(set(all_services) - set(exclude_services))
self.log.debug('Waiting up to {}s for extended status on services: '
'{}'.format(timeout, services))
service_messages = {service: message for service in services}
self.d.sentry.wait_for_messages(service_messages, timeout=timeout)
self.log.info('OK')
def _get_openstack_release(self):
"""Get openstack release.
@ -111,7 +226,8 @@ class OpenStackAmuletDeployment(AmuletDeployment):
self.precise_havana, self.precise_icehouse,
self.trusty_icehouse, self.trusty_juno, self.utopic_juno,
self.trusty_kilo, self.vivid_kilo, self.trusty_liberty,
self.wily_liberty) = range(12)
self.wily_liberty, self.trusty_mitaka,
self.xenial_mitaka) = range(14)
releases = {
('precise', None): self.precise_essex,
@ -123,9 +239,11 @@ class OpenStackAmuletDeployment(AmuletDeployment):
('trusty', 'cloud:trusty-juno'): self.trusty_juno,
('trusty', 'cloud:trusty-kilo'): self.trusty_kilo,
('trusty', 'cloud:trusty-liberty'): self.trusty_liberty,
('trusty', 'cloud:trusty-mitaka'): self.trusty_mitaka,
('utopic', None): self.utopic_juno,
('vivid', None): self.vivid_kilo,
('wily', None): self.wily_liberty}
('wily', None): self.wily_liberty,
('xenial', None): self.xenial_mitaka}
return releases[(self.series, self.openstack)]
def _get_openstack_release_string(self):
@ -142,6 +260,7 @@ class OpenStackAmuletDeployment(AmuletDeployment):
('utopic', 'juno'),
('vivid', 'kilo'),
('wily', 'liberty'),
('xenial', 'mitaka'),
])
if self.openstack:
os_origin = self.openstack.split(':')[1]

381
hooks/charmhelpers/contrib/openstack/amulet/utils.py
View File

@ -18,6 +18,7 @@ import amulet
import json
import logging
import os
import re
import six
import time
import urllib
@ -27,6 +28,7 @@ import glanceclient.v1.client as glance_client
import heatclient.v1.client as heat_client
import keystoneclient.v2_0 as keystone_client
import novaclient.v1_1.client as nova_client
import pika
import swiftclient
from charmhelpers.contrib.amulet.utils import (
@ -602,3 +604,382 @@ class OpenStackAmuletUtils(AmuletUtils):
self.log.debug('Ceph {} samples (OK): '
'{}'.format(sample_type, samples))
return None
# rabbitmq/amqp specific helpers:
def rmq_wait_for_cluster(self, deployment, init_sleep=15, timeout=1200):
"""Wait for rmq units extended status to show cluster readiness,
after an optional initial sleep period. Initial sleep is likely
necessary to be effective following a config change, as status
message may not instantly update to non-ready."""
if init_sleep:
time.sleep(init_sleep)
message = re.compile('^Unit is ready and clustered$')
deployment._auto_wait_for_status(message=message,
timeout=timeout,
include_only=['rabbitmq-server'])
def add_rmq_test_user(self, sentry_units,
username="testuser1", password="changeme"):
"""Add a test user via the first rmq juju unit, check connection as
the new user against all sentry units.
:param sentry_units: list of sentry unit pointers
:param username: amqp user name, default to testuser1
:param password: amqp user password
:returns: None if successful. Raise on error.
"""
self.log.debug('Adding rmq user ({})...'.format(username))
# Check that user does not already exist
cmd_user_list = 'rabbitmqctl list_users'
output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_list)
if username in output:
self.log.warning('User ({}) already exists, returning '
'gracefully.'.format(username))
return
perms = '".*" ".*" ".*"'
cmds = ['rabbitmqctl add_user {} {}'.format(username, password),
'rabbitmqctl set_permissions {} {}'.format(username, perms)]
# Add user via first unit
for cmd in cmds:
output, _ = self.run_cmd_unit(sentry_units[0], cmd)
# Check connection against the other sentry_units
self.log.debug('Checking user connect against units...')
for sentry_unit in sentry_units:
connection = self.connect_amqp_by_unit(sentry_unit, ssl=False,
username=username,
password=password)
connection.close()
def delete_rmq_test_user(self, sentry_units, username="testuser1"):
"""Delete a rabbitmq user via the first rmq juju unit.
:param sentry_units: list of sentry unit pointers
:param username: amqp user name, default to testuser1
:param password: amqp user password
:returns: None if successful or no such user.
"""
self.log.debug('Deleting rmq user ({})...'.format(username))
# Check that the user exists
cmd_user_list = 'rabbitmqctl list_users'
output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_list)
if username not in output:
self.log.warning('User ({}) does not exist, returning '
'gracefully.'.format(username))
return
# Delete the user
cmd_user_del = 'rabbitmqctl delete_user {}'.format(username)
output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_del)
def get_rmq_cluster_status(self, sentry_unit):
"""Execute rabbitmq cluster status command on a unit and return
the full output.
:param unit: sentry unit
:returns: String containing console output of cluster status command
"""
cmd = 'rabbitmqctl cluster_status'
output, _ = self.run_cmd_unit(sentry_unit, cmd)
self.log.debug('{} cluster_status:\n{}'.format(
sentry_unit.info['unit_name'], output))
return str(output)
def get_rmq_cluster_running_nodes(self, sentry_unit):
"""Parse rabbitmqctl cluster_status output string, return list of
running rabbitmq cluster nodes.
:param unit: sentry unit
:returns: List containing node names of running nodes
"""
# NOTE(beisner): rabbitmqctl cluster_status output is not
# json-parsable, do string chop foo, then json.loads that.
str_stat = self.get_rmq_cluster_status(sentry_unit)
if 'running_nodes' in str_stat:
pos_start = str_stat.find("{running_nodes,") + 15
pos_end = str_stat.find("]},", pos_start) + 1
str_run_nodes = str_stat[pos_start:pos_end].replace("'", '"')
run_nodes = json.loads(str_run_nodes)
return run_nodes
else:
return []
def validate_rmq_cluster_running_nodes(self, sentry_units):
"""Check that all rmq unit hostnames are represented in the
cluster_status output of all units.
:param host_names: dict of juju unit names to host names
:param units: list of sentry unit pointers (all rmq units)
:returns: None if successful, otherwise return error message
"""
host_names = self.get_unit_hostnames(sentry_units)
errors = []
# Query every unit for cluster_status running nodes
for query_unit in sentry_units:
query_unit_name = query_unit.info['unit_name']
running_nodes = self.get_rmq_cluster_running_nodes(query_unit)
# Confirm that every unit is represented in the queried unit's
# cluster_status running nodes output.
for validate_unit in sentry_units:
val_host_name = host_names[validate_unit.info['unit_name']]
val_node_name = 'rabbit@{}'.format(val_host_name)
if val_node_name not in running_nodes:
errors.append('Cluster member check failed on {}: {} not '
'in {}\n'.format(query_unit_name,
val_node_name,
running_nodes))
if errors:
return ''.join(errors)
def rmq_ssl_is_enabled_on_unit(self, sentry_unit, port=None):
"""Check a single juju rmq unit for ssl and port in the config file."""
host = sentry_unit.info['public-address']
unit_name = sentry_unit.info['unit_name']
conf_file = '/etc/rabbitmq/rabbitmq.config'
conf_contents = str(self.file_contents_safe(sentry_unit,
conf_file, max_wait=16))
# Checks
conf_ssl = 'ssl' in conf_contents
conf_port = str(port) in conf_contents
# Port explicitly checked in config
if port and conf_port and conf_ssl:
self.log.debug('SSL is enabled @{}:{} '
'({})'.format(host, port, unit_name))
return True
elif port and not conf_port and conf_ssl:
self.log.debug('SSL is enabled @{} but not on port {} '
'({})'.format(host, port, unit_name))
return False
# Port not checked (useful when checking that ssl is disabled)
elif not port and conf_ssl:
self.log.debug('SSL is enabled @{}:{} '
'({})'.format(host, port, unit_name))
return True
elif not conf_ssl:
self.log.debug('SSL not enabled @{}:{} '
'({})'.format(host, port, unit_name))
return False
else:
msg = ('Unknown condition when checking SSL status @{}:{} '
'({})'.format(host, port, unit_name))
amulet.raise_status(amulet.FAIL, msg)
def validate_rmq_ssl_enabled_units(self, sentry_units, port=None):
"""Check that ssl is enabled on rmq juju sentry units.
:param sentry_units: list of all rmq sentry units
:param port: optional ssl port override to validate
:returns: None if successful, otherwise return error message
"""
for sentry_unit in sentry_units:
if not self.rmq_ssl_is_enabled_on_unit(sentry_unit, port=port):
return ('Unexpected condition: ssl is disabled on unit '
'({})'.format(sentry_unit.info['unit_name']))
return None
def validate_rmq_ssl_disabled_units(self, sentry_units):
"""Check that ssl is enabled on listed rmq juju sentry units.
:param sentry_units: list of all rmq sentry units
:returns: True if successful. Raise on error.
"""
for sentry_unit in sentry_units:
if self.rmq_ssl_is_enabled_on_unit(sentry_unit):
return ('Unexpected condition: ssl is enabled on unit '
'({})'.format(sentry_unit.info['unit_name']))
return None
def configure_rmq_ssl_on(self, sentry_units, deployment,
port=None, max_wait=60):
"""Turn ssl charm config option on, with optional non-default
ssl port specification. Confirm that it is enabled on every
unit.
:param sentry_units: list of sentry units
:param deployment: amulet deployment object pointer
:param port: amqp port, use defaults if None
:param max_wait: maximum time to wait in seconds to confirm
:returns: None if successful. Raise on error.
"""
self.log.debug('Setting ssl charm config option: on')
# Enable RMQ SSL
config = {'ssl': 'on'}
if port:
config['ssl_port'] = port
deployment.d.configure('rabbitmq-server', config)
# Wait for unit status
self.rmq_wait_for_cluster(deployment)
# Confirm
tries = 0
ret = self.validate_rmq_ssl_enabled_units(sentry_units, port=port)
while ret and tries < (max_wait / 4):
time.sleep(4)
self.log.debug('Attempt {}: {}'.format(tries, ret))
ret = self.validate_rmq_ssl_enabled_units(sentry_units, port=port)
tries += 1
if ret:
amulet.raise_status(amulet.FAIL, ret)
def configure_rmq_ssl_off(self, sentry_units, deployment, max_wait=60):
"""Turn ssl charm config option off, confirm that it is disabled
on every unit.
:param sentry_units: list of sentry units
:param deployment: amulet deployment object pointer
:param max_wait: maximum time to wait in seconds to confirm
:returns: None if successful. Raise on error.
"""
self.log.debug('Setting ssl charm config option: off')
# Disable RMQ SSL
config = {'ssl': 'off'}
deployment.d.configure('rabbitmq-server', config)
# Wait for unit status
self.rmq_wait_for_cluster(deployment)
# Confirm
tries = 0
ret = self.validate_rmq_ssl_disabled_units(sentry_units)
while ret and tries < (max_wait / 4):
time.sleep(4)
self.log.debug('Attempt {}: {}'.format(tries, ret))
ret = self.validate_rmq_ssl_disabled_units(sentry_units)
tries += 1
if ret:
amulet.raise_status(amulet.FAIL, ret)
def connect_amqp_by_unit(self, sentry_unit, ssl=False,
port=None, fatal=True,
username="testuser1", password="changeme"):
"""Establish and return a pika amqp connection to the rabbitmq service
running on a rmq juju unit.
:param sentry_unit: sentry unit pointer
:param ssl: boolean, default to False
:param port: amqp port, use defaults if None
:param fatal: boolean, default to True (raises on connect error)
:param username: amqp user name, default to testuser1
:param password: amqp user password
:returns: pika amqp connection pointer or None if failed and non-fatal
"""
host = sentry_unit.info['public-address']
unit_name = sentry_unit.info['unit_name']
# Default port logic if port is not specified
if ssl and not port:
port = 5671
elif not ssl and not port:
port = 5672
self.log.debug('Connecting to amqp on {}:{} ({}) as '
'{}...'.format(host, port, unit_name, username))
try:
credentials = pika.PlainCredentials(username, password)
parameters = pika.ConnectionParameters(host=host, port=port,
credentials=credentials,
ssl=ssl,
connection_attempts=3,
retry_delay=5,
socket_timeout=1)
connection = pika.BlockingConnection(parameters)
assert connection.server_properties['product'] == 'RabbitMQ'
self.log.debug('Connect OK')
return connection
except Exception as e:
msg = ('amqp connection failed to {}:{} as '
'{} ({})'.format(host, port, username, str(e)))
if fatal:
amulet.raise_status(amulet.FAIL, msg)
else:
self.log.warn(msg)
return None
def publish_amqp_message_by_unit(self, sentry_unit, message,
queue="test", ssl=False,
username="testuser1",
password="changeme",
port=None):
"""Publish an amqp message to a rmq juju unit.
:param sentry_unit: sentry unit pointer
:param message: amqp message string
:param queue: message queue, default to test
:param username: amqp user name, default to testuser1
:param password: amqp user password
:param ssl: boolean, default to False
:param port: amqp port, use defaults if None
:returns: None. Raises exception if publish failed.
"""
self.log.debug('Publishing message to {} queue:\n{}'.format(queue,
message))
connection = self.connect_amqp_by_unit(sentry_unit, ssl=ssl,
port=port,
username=username,
password=password)
# NOTE(beisner): extra debug here re: pika hang potential:
# https://github.com/pika/pika/issues/297
# https://groups.google.com/forum/#!topic/rabbitmq-users/Ja0iyfF0Szw
self.log.debug('Defining channel...')
channel = connection.channel()
self.log.debug('Declaring queue...')
channel.queue_declare(queue=queue, auto_delete=False, durable=True)
self.log.debug('Publishing message...')
channel.basic_publish(exchange='', routing_key=queue, body=message)
self.log.debug('Closing channel...')
channel.close()
self.log.debug('Closing connection...')
connection.close()
def get_amqp_message_by_unit(self, sentry_unit, queue="test",
username="testuser1",
password="changeme",
ssl=False, port=None):
"""Get an amqp message from a rmq juju unit.
:param sentry_unit: sentry unit pointer
:param queue: message queue, default to test
:param username: amqp user name, default to testuser1
:param password: amqp user password
:param ssl: boolean, default to False
:param port: amqp port, use defaults if None
:returns: amqp message body as string. Raise if get fails.
"""
connection = self.connect_amqp_by_unit(sentry_unit, ssl=ssl,
port=port,
username=username,
password=password)
channel = connection.channel()
method_frame, _, body = channel.basic_get(queue)
if method_frame:
self.log.debug('Retreived message from {} queue:\n{}'.format(queue,
body))
channel.basic_ack(method_frame.delivery_tag)
channel.close()
connection.close()
return body
else:
msg = 'No message retrieved.'
amulet.raise_status(amulet.FAIL, msg)

259
hooks/charmhelpers/contrib/openstack/context.py
View File

@ -14,6 +14,7 @@
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import glob
import json
import os
import re
@ -50,10 +51,13 @@ from charmhelpers.core.sysctl import create as sysctl_create
from charmhelpers.core.strutils import bool_from_string
from charmhelpers.core.host import (
get_bond_master,
is_phy_iface,
list_nics,
get_nic_hwaddr,
mkdir,
write_file,
pwgen,
)
from charmhelpers.contrib.hahelpers.cluster import (
determine_apache_port,
@ -84,6 +88,14 @@ from charmhelpers.contrib.network.ip import (
is_bridge_member,
)
from charmhelpers.contrib.openstack.utils import get_host_ip
from charmhelpers.core.unitdata import kv
try:
import psutil
except ImportError:
apt_install('python-psutil', fatal=True)
import psutil
CA_CERT_PATH = '/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt'
ADDRESS_TYPES = ['admin', 'internal', 'public']
@ -192,10 +204,50 @@ def config_flags_parser(config_flags):
class OSContextGenerator(object):
"""Base class for all context generators."""
interfaces = []
related = False
complete = False
missing_data = []
def __call__(self):
raise NotImplementedError
def context_complete(self, ctxt):
"""Check for missing data for the required context data.
Set self.missing_data if it exists and return False.
Set self.complete if no missing data and return True.
"""
# Fresh start
self.complete = False
self.missing_data = []
for k, v in six.iteritems(ctxt):
if v is None or v == '':
if k not in self.missing_data:
self.missing_data.append(k)
if self.missing_data:
self.complete = False
log('Missing required data: %s' % ' '.join(self.missing_data), level=INFO)
else:
self.complete = True
return self.complete
def get_related(self):
"""Check if any of the context interfaces have relation ids.
Set self.related and return True if one of the interfaces
has relation ids.
"""
# Fresh start
self.related = False
try:
for interface in self.interfaces:
if relation_ids(interface):
self.related = True
return self.related
except AttributeError as e:
log("{} {}"
"".format(self, e), 'INFO')
return self.related
class SharedDBContext(OSContextGenerator):
interfaces = ['shared-db']
@ -211,6 +263,7 @@ class SharedDBContext(OSContextGenerator):
self.database = database
self.user = user
self.ssl_dir = ssl_dir
self.rel_name = self.interfaces[0]
def __call__(self):
self.database = self.database or config('database')
@ -244,6 +297,7 @@ class SharedDBContext(OSContextGenerator):
password_setting = self.relation_prefix + '_password'
for rid in relation_ids(self.interfaces[0]):
self.related = True
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
host = rdata.get('db_host')
@ -255,7 +309,7 @@ class SharedDBContext(OSContextGenerator):
'database_password': rdata.get(password_setting),
'database_type': 'mysql'
}
if context_complete(ctxt):
if self.context_complete(ctxt):
db_ssl(rdata, ctxt, self.ssl_dir)
return ctxt
return {}
@ -276,6 +330,7 @@ class PostgresqlDBContext(OSContextGenerator):
ctxt = {}
for rid in relation_ids(self.interfaces[0]):
self.related = True
for unit in related_units(rid):
rel_host = relation_get('host', rid=rid, unit=unit)
rel_user = relation_get('user', rid=rid, unit=unit)
@ -285,7 +340,7 @@ class PostgresqlDBContext(OSContextGenerator):
'database_user': rel_user,
'database_password': rel_passwd,
'database_type': 'postgresql'}
if context_complete(ctxt):
if self.context_complete(ctxt):
return ctxt
return {}
@ -346,6 +401,7 @@ class IdentityServiceContext(OSContextGenerator):
ctxt['signing_dir'] = cachedir
for rid in relation_ids(self.rel_name):
self.related = True
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
serv_host = rdata.get('service_host')
@ -364,7 +420,7 @@ class IdentityServiceContext(OSContextGenerator):
'service_protocol': svc_protocol,
'auth_protocol': auth_protocol})
if context_complete(ctxt):
if self.context_complete(ctxt):
# NOTE(jamespage) this is required for >= icehouse
# so a missing value just indicates keystone needs
# upgrading
@ -403,6 +459,7 @@ class AMQPContext(OSContextGenerator):
ctxt = {}
for rid in relation_ids(self.rel_name):
ha_vip_only = False
self.related = True
for unit in related_units(rid):
if relation_get('clustered', rid=rid, unit=unit):
ctxt['clustered'] = True
@ -435,7 +492,7 @@ class AMQPContext(OSContextGenerator):
ha_vip_only = relation_get('ha-vip-only',
rid=rid, unit=unit) is not None
if context_complete(ctxt):
if self.context_complete(ctxt):
if 'rabbit_ssl_ca' in ctxt:
if not self.ssl_dir:
log("Charm not setup for ssl support but ssl ca "
@ -467,7 +524,7 @@ class AMQPContext(OSContextGenerator):
ctxt['oslo_messaging_flags'] = config_flags_parser(
oslo_messaging_flags)
if not context_complete(ctxt):
if not self.complete:
return {}
return ctxt
@ -483,13 +540,15 @@ class CephContext(OSContextGenerator):
log('Generating template context for ceph', level=DEBUG)
mon_hosts = []
auth = None
key = None
use_syslog = str(config('use-syslog')).lower()
ctxt = {
'use_syslog': str(config('use-syslog')).lower()
}
for rid in relation_ids('ceph'):
for unit in related_units(rid):
auth = relation_get('auth', rid=rid, unit=unit)
key = relation_get('key', rid=rid, unit=unit)
if not ctxt.get('auth'):
ctxt['auth'] = relation_get('auth', rid=rid, unit=unit)
if not ctxt.get('key'):
ctxt['key'] = relation_get('key', rid=rid, unit=unit)
ceph_pub_addr = relation_get('ceph-public-address', rid=rid,
unit=unit)
unit_priv_addr = relation_get('private-address', rid=rid,
@ -498,15 +557,12 @@ class CephContext(OSContextGenerator):
ceph_addr = format_ipv6_addr(ceph_addr) or ceph_addr
mon_hosts.append(ceph_addr)
ctxt = {'mon_hosts': ' '.join(sorted(mon_hosts)),
'auth': auth,
'key': key,
'use_syslog': use_syslog}
ctxt['mon_hosts'] = ' '.join(sorted(mon_hosts))
if not os.path.isdir('/etc/ceph'):
os.mkdir('/etc/ceph')
if not context_complete(ctxt):
if not self.context_complete(ctxt):
return {}
ensure_packages(['ceph-common'])
@ -579,15 +635,28 @@ class HAProxyContext(OSContextGenerator):
if config('haproxy-client-timeout'):
ctxt['haproxy_client_timeout'] = config('haproxy-client-timeout')
if config('haproxy-queue-timeout'):
ctxt['haproxy_queue_timeout'] = config('haproxy-queue-timeout')
if config('haproxy-connect-timeout'):
ctxt['haproxy_connect_timeout'] = config('haproxy-connect-timeout')
if config('prefer-ipv6'):
ctxt['ipv6'] = True
ctxt['local_host'] = 'ip6-localhost'
ctxt['haproxy_host'] = '::'
ctxt['stat_port'] = ':::8888'
else:
ctxt['local_host'] = '127.0.0.1'
ctxt['haproxy_host'] = '0.0.0.0'
ctxt['stat_port'] = ':8888'
ctxt['stat_port'] = '8888'
db = kv()
ctxt['stat_password'] = db.get('stat-password')
if not ctxt['stat_password']:
ctxt['stat_password'] = db.set('stat-password',
pwgen(32))
db.flush()
for frontend in cluster_hosts:
if (len(cluster_hosts[frontend]['backends']) > 1 or
@ -878,19 +947,6 @@ class NeutronContext(OSContextGenerator):
return calico_ctxt
def pg_ctxt(self):
driver = neutron_plugin_attribute(self.plugin, 'driver',
self.network_manager)
config = neutron_plugin_attribute(self.plugin, 'config',
self.network_manager)
pg_ctxt = {'core_plugin': driver,
'neutron_plugin': 'plumgrid',
'neutron_security_groups': self.neutron_security_groups,
'local_ip': unit_private_ip(),
'config': config}
return pg_ctxt
def neutron_ctxt(self):
if https():
proto = 'https'
@ -906,6 +962,31 @@ class NeutronContext(OSContextGenerator):
'neutron_url': '%s://%s:%s' % (proto, host, '9696')}
return ctxt
def pg_ctxt(self):
driver = neutron_plugin_attribute(self.plugin, 'driver',
self.network_manager)
config = neutron_plugin_attribute(self.plugin, 'config',
self.network_manager)
ovs_ctxt = {'core_plugin': driver,
'neutron_plugin': 'plumgrid',
'neutron_security_groups': self.neutron_security_groups,
'local_ip': unit_private_ip(),
'config': config}
return ovs_ctxt
def midonet_ctxt(self):
driver = neutron_plugin_attribute(self.plugin, 'driver',
self.network_manager)
midonet_config = neutron_plugin_attribute(self.plugin, 'config',
self.network_manager)
mido_ctxt = {'core_plugin': driver,
'neutron_plugin': 'midonet',
'neutron_security_groups': self.neutron_security_groups,
'local_ip': unit_private_ip(),
'config': midonet_config}
return mido_ctxt
def __call__(self):
if self.network_manager not in ['quantum', 'neutron']:
return {}
@ -927,6 +1008,8 @@ class NeutronContext(OSContextGenerator):
ctxt.update(self.nuage_ctxt())
elif self.plugin == 'plumgrid':
ctxt.update(self.pg_ctxt())
elif self.plugin == 'midonet':
ctxt.update(self.midonet_ctxt())
alchemy_flags = config('neutron-alchemy-flags')
if alchemy_flags:
@ -938,7 +1021,6 @@ class NeutronContext(OSContextGenerator):
class NeutronPortContext(OSContextGenerator):
NIC_PREFIXES = ['eth', 'bond']
def resolve_ports(self, ports):
"""Resolve NICs not yet bound to bridge(s)
@ -950,7 +1032,18 @@ class NeutronPortContext(OSContextGenerator):
hwaddr_to_nic = {}
hwaddr_to_ip = {}
for nic in list_nics(self.NIC_PREFIXES):
for nic in list_nics():
# Ignore virtual interfaces (bond masters will be identified from
# their slaves)
if not is_phy_iface(nic):
continue
_nic = get_bond_master(nic)
if _nic:
log("Replacing iface '%s' with bond master '%s'" % (nic, _nic),
level=DEBUG)
nic = _nic
hwaddr = get_nic_hwaddr(nic)
hwaddr_to_nic[hwaddr] = nic
addresses = get_ipv4_addr(nic, fatal=False)
@ -976,7 +1069,8 @@ class NeutronPortContext(OSContextGenerator):
# trust it to be the real external network).
resolved.append(entry)
return resolved
# Ensure no duplicates
return list(set(resolved))
class OSConfigFlagContext(OSContextGenerator):
@ -1016,6 +1110,20 @@ class OSConfigFlagContext(OSContextGenerator):
config_flags_parser(config_flags)}
class LibvirtConfigFlagsContext(OSContextGenerator):
"""
This context provides support for extending
the libvirt section through user-defined flags.
"""
def __call__(self):
ctxt = {}
libvirt_flags = config('libvirt-flags')
if libvirt_flags:
ctxt['libvirt_flags'] = config_flags_parser(
libvirt_flags)
return ctxt
class SubordinateConfigContext(OSContextGenerator):
"""
@ -1048,7 +1156,7 @@ class SubordinateConfigContext(OSContextGenerator):
ctxt = {
... other context ...
'subordinate_config': {
'subordinate_configuration': {
'DEFAULT': {
'key1': 'value1',
},
@ -1066,13 +1174,22 @@ class SubordinateConfigContext(OSContextGenerator):
:param config_file : Service's config file to query sections
:param interface : Subordinate interface to inspect
"""
self.service = service
self.config_file = config_file
self.interface = interface
if isinstance(service, list):
self.services = service
else:
self.services = [service]
if isinstance(interface, list):
self.interfaces = interface
else:
self.interfaces = [interface]
def __call__(self):
ctxt = {'sections': {}}
for rid in relation_ids(self.interface):
rids = []
for interface in self.interfaces:
rids.extend(relation_ids(interface))
for rid in rids:
for unit in related_units(rid):
sub_config = relation_get('subordinate_configuration',
rid=rid, unit=unit)
@ -1080,33 +1197,37 @@ class SubordinateConfigContext(OSContextGenerator):
try:
sub_config = json.loads(sub_config)
except:
log('Could not parse JSON from subordinate_config '
'setting from %s' % rid, level=ERROR)
log('Could not parse JSON from '
'subordinate_configuration setting from %s'
% rid, level=ERROR)
continue
if self.service not in sub_config:
log('Found subordinate_config on %s but it contained'
'nothing for %s service' % (rid, self.service),
level=INFO)
for service in self.services:
if service not in sub_config:
log('Found subordinate_configuration on %s but it '
'contained nothing for %s service'
% (rid, service), level=INFO)
continue
sub_config = sub_config[self.service]
sub_config = sub_config[service]
if self.config_file not in sub_config:
log('Found subordinate_config on %s but it contained'
'nothing for %s' % (rid, self.config_file),
level=INFO)
log('Found subordinate_configuration on %s but it '
'contained nothing for %s'
% (rid, self.config_file), level=INFO)
continue
sub_config = sub_config[self.config_file]
for k, v in six.iteritems(sub_config):
if k == 'sections':
for section, config_dict in six.iteritems(v):
for section, config_list in six.iteritems(v):
log("adding section '%s'" % (section),
level=DEBUG)
ctxt[k][section] = config_dict
if ctxt[k].get(section):
ctxt[k][section].extend(config_list)
else:
ctxt[k][section] = config_list
else:
ctxt[k] = v
log("%d section(s) found" % (len(ctxt['sections'])), level=DEBUG)
return ctxt
@ -1143,13 +1264,11 @@ class WorkerConfigContext(OSContextGenerator):
@property
def num_cpus(self):
try:
from psutil import NUM_CPUS
except ImportError:
apt_install('python-psutil', fatal=True)
from psutil import NUM_CPUS
return NUM_CPUS
# NOTE: use cpu_count if present (16.04 support)
if hasattr(psutil, 'cpu_count'):
return psutil.cpu_count()
else:
return psutil.NUM_CPUS
def __call__(self):
multiplier = config('worker-multiplier') or 0
@ -1283,15 +1402,19 @@ class DataPortContext(NeutronPortContext):
def __call__(self):
ports = config('data-port')
if ports:
# Map of {port/mac:bridge}
portmap = parse_data_port_mappings(ports)
ports = portmap.values()
ports = portmap.keys()
# Resolve provided ports or mac addresses and filter out those
# already attached to a bridge.
resolved = self.resolve_ports(ports)
# FIXME: is this necessary?
normalized = {get_nic_hwaddr(port): port for port in resolved
if port not in ports}
normalized.update({port: port for port in resolved
if port in ports})
if resolved:
return {bridge: normalized[port] for bridge, port in
return {normalized[port]: bridge for port, bridge in
six.iteritems(portmap) if port in normalized.keys()}
return None
@ -1302,12 +1425,22 @@ class PhyNICMTUContext(DataPortContext):
def __call__(self):
ctxt = {}
mappings = super(PhyNICMTUContext, self).__call__()
if mappings and mappings.values():
ports = mappings.values()
if mappings and mappings.keys():
ports = sorted(mappings.keys())
napi_settings = NeutronAPIContext()()
mtu = napi_settings.get('network_device_mtu')
all_ports = set()
# If any of ports is a vlan device, its underlying device must have
# mtu applied first.
for port in ports:
for lport in glob.glob("/sys/class/net/%s/lower_*" % port):
lport = os.path.basename(lport)
all_ports.add(lport.split('_')[1])
all_ports = list(all_ports)
all_ports.extend(ports)
if mtu:
ctxt["devs"] = '\\n'.join(ports)
ctxt["devs"] = '\\n'.join(all_ports)
ctxt['mtu'] = mtu
return ctxt
@ -1339,6 +1472,6 @@ class NetworkServiceContext(OSContextGenerator):
'auth_protocol':
rdata.get('auth_protocol') or 'http',
}
if context_complete(ctxt):
if self.context_complete(ctxt):
return ctxt
return {}

75
hooks/charmhelpers/contrib/openstack/neutron.py
View File

@ -50,7 +50,7 @@ def determine_dkms_package():
if kernel_version() >= (3, 13):
return []
else:
return ['openvswitch-datapath-dkms']
return [headers_package(), 'openvswitch-datapath-dkms']
# legacy
@ -70,7 +70,7 @@ def quantum_plugins():
relation_prefix='neutron',
ssl_dir=QUANTUM_CONF_DIR)],
'services': ['quantum-plugin-openvswitch-agent'],
'packages': [[headers_package()] + determine_dkms_package(),
'packages': [determine_dkms_package(),
['quantum-plugin-openvswitch-agent']],
'server_packages': ['quantum-server',
'quantum-plugin-openvswitch'],
@ -111,7 +111,7 @@ def neutron_plugins():
relation_prefix='neutron',
ssl_dir=NEUTRON_CONF_DIR)],
'services': ['neutron-plugin-openvswitch-agent'],
'packages': [[headers_package()] + determine_dkms_package(),
'packages': [determine_dkms_package(),
['neutron-plugin-openvswitch-agent']],
'server_packages': ['neutron-server',
'neutron-plugin-openvswitch'],
@ -155,7 +155,7 @@ def neutron_plugins():
relation_prefix='neutron',
ssl_dir=NEUTRON_CONF_DIR)],
'services': [],
'packages': [[headers_package()] + determine_dkms_package(),
'packages': [determine_dkms_package(),
['neutron-plugin-cisco']],
'server_packages': ['neutron-server',
'neutron-plugin-cisco'],
@ -174,7 +174,7 @@ def neutron_plugins():
'neutron-dhcp-agent',
'nova-api-metadata',
'etcd'],
'packages': [[headers_package()] + determine_dkms_package(),
'packages': [determine_dkms_package(),
['calico-compute',
'bird',
'neutron-dhcp-agent',
@ -209,6 +209,20 @@ def neutron_plugins():
'server_packages': ['neutron-server',
'neutron-plugin-plumgrid'],
'server_services': ['neutron-server']
},
'midonet': {
'config': '/etc/neutron/plugins/midonet/midonet.ini',
'driver': 'midonet.neutron.plugin.MidonetPluginV2',
'contexts': [
context.SharedDBContext(user=config('neutron-database-user'),
database=config('neutron-database'),
relation_prefix='neutron',
ssl_dir=NEUTRON_CONF_DIR)],
'services': [],
'packages': [determine_dkms_package()],
'server_packages': ['neutron-server',
'python-neutron-plugin-midonet'],
'server_services': ['neutron-server']
}
}
if release >= 'icehouse':
@ -219,6 +233,14 @@ def neutron_plugins():
'neutron-plugin-ml2']
# NOTE: patch in vmware renames nvp->nsx for icehouse onwards
plugins['nvp'] = plugins['nsx']
if release >= 'kilo':
plugins['midonet']['driver'] = (
'neutron.plugins.midonet.plugin.MidonetPluginV2')
if release >= 'liberty':
midonet_origin = config('midonet-origin')
if midonet_origin is not None and midonet_origin[4:5] == '1':
plugins['midonet']['driver'] = (
'midonet.neutron.plugin_v1.MidonetPluginV2')
return plugins
@ -269,17 +291,30 @@ def network_manager():
return 'neutron'
def parse_mappings(mappings):
def parse_mappings(mappings, key_rvalue=False):
"""By default mappings are lvalue keyed.
If key_rvalue is True, the mapping will be reversed to allow multiple
configs for the same lvalue.
"""
parsed = {}
if mappings:
mappings = mappings.split()
for m in mappings:
p = m.partition(':')
key = p[0].strip()
if p[1]:
parsed[key] = p[2].strip()
if key_rvalue:
key_index = 2
val_index = 0
# if there is no rvalue skip to next
if not p[1]:
continue
else:
parsed[key] = ''
key_index = 0
val_index = 2
key = p[key_index].strip()
parsed[key] = p[val_index].strip()
return parsed
@ -297,25 +332,25 @@ def parse_bridge_mappings(mappings):
def parse_data_port_mappings(mappings, default_bridge='br-data'):
"""Parse data port mappings.
Mappings must be a space-delimited list of bridge:port mappings.
Mappings must be a space-delimited list of bridge:port.
Returns dict of the form {bridge:port}.
Returns dict of the form {port:bridge} where ports may be mac addresses or
interface names.
"""
_mappings = parse_mappings(mappings)
# NOTE(dosaboy): we use rvalue for key to allow multiple values to be
# proposed for <port> since it may be a mac address which will differ
# across units this allowing first-known-good to be chosen.
_mappings = parse_mappings(mappings, key_rvalue=True)
if not _mappings or list(_mappings.values()) == ['']:
if not mappings:
return {}
# For backwards-compatibility we need to support port-only provided in
# config.
_mappings = {default_bridge: mappings.split()[0]}
bridges = _mappings.keys()
ports = _mappings.values()
if len(set(bridges)) != len(bridges):
raise Exception("It is not allowed to have more than one port "
"configured on the same bridge")
_mappings = {mappings.split()[0]: default_bridge}
ports = _mappings.keys()
if len(set(ports)) != len(ports):
raise Exception("It is not allowed to have the same port configured "
"on more than one bridge")

32
hooks/charmhelpers/contrib/openstack/templating.py
View File

@ -18,7 +18,7 @@ import os
import six
from charmhelpers.fetch import apt_install
from charmhelpers.fetch import apt_install, apt_update
from charmhelpers.core.hookenv import (
log,
ERROR,
@ -29,6 +29,7 @@ from charmhelpers.contrib.openstack.utils import OPENSTACK_CODENAMES
try:
from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions
except ImportError:
apt_update(fatal=True)
apt_install('python-jinja2', fatal=True)
from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions
@ -112,7 +113,7 @@ class OSConfigTemplate(object):
def complete_contexts(self):
'''
Return a list of interfaces that have atisfied contexts.
Return a list of interfaces that have satisfied contexts.
'''
if self._complete_contexts:
return self._complete_contexts
@ -293,3 +294,30 @@ class OSConfigRenderer(object):
[interfaces.extend(i.complete_contexts())
for i in six.itervalues(self.templates)]
return interfaces
def get_incomplete_context_data(self, interfaces):
'''
Return dictionary of relation status of interfaces and any missing
required context data. Example:
{'amqp': {'missing_data': ['rabbitmq_password'], 'related': True},
'zeromq-configuration': {'related': False}}
'''
incomplete_context_data = {}
for i in six.itervalues(self.templates):
for context in i.contexts:
for interface in interfaces:
related = False
if interface in context.interfaces:
related = context.get_related()
missing_data = context.missing_data
if missing_data:
incomplete_context_data[interface] = {'missing_data': missing_data}
if related:
if incomplete_context_data.get(interface):
incomplete_context_data[interface].update({'related': True})
else:
incomplete_context_data[interface] = {'related': True}
else:
incomplete_context_data[interface] = {'related': False}
return incomplete_context_data

426
hooks/charmhelpers/contrib/openstack/utils.py
View File

@ -1,5 +1,3 @@
#!/usr/bin/python
# Copyright 2014-2015 Canonical Limited.
#
# This file is part of charm-helpers.
@ -24,8 +22,11 @@ import subprocess
import json
import os
import sys
import re
import six
import traceback
import uuid
import yaml
from charmhelpers.contrib.network import ip
@ -35,12 +36,17 @@ from charmhelpers.core import (
)
from charmhelpers.core.hookenv import (
action_fail,
action_set,
config,
log as juju_log,
charm_dir,
INFO,
related_units,
relation_ids,
relation_set
relation_set,
status_set,
hook_name
)
from charmhelpers.contrib.storage.linux.lvm import (
@ -50,7 +56,8 @@ from charmhelpers.contrib.storage.linux.lvm import (
)
from charmhelpers.contrib.network.ip import (
get_ipv6_addr
get_ipv6_addr,
is_ipv6,
)
from charmhelpers.contrib.python.packages import (
@ -69,7 +76,6 @@ CLOUD_ARCHIVE_KEY_ID = '5EDB1B62EC4926EA'
DISTRO_PROPOSED = ('deb http://archive.ubuntu.com/ubuntu/ %s-proposed '
'restricted main multiverse universe')
UBUNTU_OPENSTACK_RELEASE = OrderedDict([
('oneiric', 'diablo'),
('precise', 'essex'),
@ -80,6 +86,7 @@ UBUNTU_OPENSTACK_RELEASE = OrderedDict([
('utopic', 'juno'),
('vivid', 'kilo'),
('wily', 'liberty'),
('xenial', 'mitaka'),
])
@ -93,31 +100,73 @@ OPENSTACK_CODENAMES = OrderedDict([
('2014.2', 'juno'),
('2015.1', 'kilo'),
('2015.2', 'liberty'),
('2016.1', 'mitaka'),
])
# The ugly duckling
# The ugly duckling - must list releases oldest to newest
SWIFT_CODENAMES = OrderedDict([
('1.4.3', 'diablo'),
('1.4.8', 'essex'),
('1.7.4', 'folsom'),
('1.8.0', 'grizzly'),
('1.7.7', 'grizzly'),
('1.7.6', 'grizzly'),
('1.10.0', 'havana'),
('1.9.1', 'havana'),
('1.9.0', 'havana'),
('1.13.1', 'icehouse'),
('1.13.0', 'icehouse'),
('1.12.0', 'icehouse'),
('1.11.0', 'icehouse'),
('2.0.0', 'juno'),
('2.1.0', 'juno'),
('2.2.0', 'juno'),
('2.2.1', 'kilo'),
('2.2.2', 'kilo'),
('2.3.0', 'liberty'),
('diablo',
['1.4.3']),
('essex',
['1.4.8']),
('folsom',
['1.7.4']),
('grizzly',
['1.7.6', '1.7.7', '1.8.0']),
('havana',
['1.9.0', '1.9.1', '1.10.0']),
('icehouse',
['1.11.0', '1.12.0', '1.13.0', '1.13.1']),
('juno',
['2.0.0', '2.1.0', '2.2.0']),
('kilo',
['2.2.1', '2.2.2']),
('liberty',
['2.3.0', '2.4.0', '2.5.0']),
('mitaka',
['2.5.0']),
])
# >= Liberty version->codename mapping
PACKAGE_CODENAMES = {
'nova-common': OrderedDict([
('12.0', 'liberty'),
('13.0', 'mitaka'),
]),
'neutron-common': OrderedDict([
('7.0', 'liberty'),
('8.0', 'mitaka'),
]),
'cinder-common': OrderedDict([
('7.0', 'liberty'),
('8.0', 'mitaka'),
]),
'keystone': OrderedDict([
('8.0', 'liberty'),
('9.0', 'mitaka'),
]),
'horizon-common': OrderedDict([
('8.0', 'liberty'),
('9.0', 'mitaka'),
]),
'ceilometer-common': OrderedDict([
('5.0', 'liberty'),
('6.0', 'mitaka'),
]),
'heat-common': OrderedDict([
('5.0', 'liberty'),
('6.0', 'mitaka'),
]),
'glance-common': OrderedDict([
('11.0', 'liberty'),
('12.0', 'mitaka'),
]),
'openstack-dashboard': OrderedDict([
('8.0', 'liberty'),
('9.0', 'mitaka'),
]),
}
DEFAULT_LOOPBACK_SIZE = '5G'
@ -167,9 +216,9 @@ def get_os_codename_version(vers):
error_out(e)
def get_os_version_codename(codename):
def get_os_version_codename(codename, version_map=OPENSTACK_CODENAMES):
'''Determine OpenStack version number from codename.'''
for k, v in six.iteritems(OPENSTACK_CODENAMES):
for k, v in six.iteritems(version_map):
if v == codename:
return k
e = 'Could not derive OpenStack version for '\
@ -177,6 +226,33 @@ def get_os_version_codename(codename):
error_out(e)
def get_os_version_codename_swift(codename):
'''Determine OpenStack version number of swift from codename.'''
for k, v in six.iteritems(SWIFT_CODENAMES):
if k == codename:
return v[-1]
e = 'Could not derive swift version for '\
'codename: %s' % codename
error_out(e)
def get_swift_codename(version):
'''Determine OpenStack codename that corresponds to swift version.'''
codenames = [k for k, v in six.iteritems(SWIFT_CODENAMES) if version in v]
if len(codenames) > 1:
# If more than one release codename contains this version we determine
# the actual codename based on the highest available install source.
for codename in reversed(codenames):
releases = UBUNTU_OPENSTACK_RELEASE
release = [k for k, v in six.iteritems(releases) if codename in v]
ret = subprocess.check_output(['apt-cache', 'policy', 'swift'])
if codename in ret or release[0] in ret:
return codename
elif len(codenames) == 1:
return codenames[0]
return None
def get_os_codename_package(package, fatal=True):
'''Derive OpenStack release codename from an installed package.'''
import apt_pkg as apt
@ -201,18 +277,31 @@ def get_os_codename_package(package, fatal=True):
error_out(e)
vers = apt.upstream_version(pkg.current_ver.ver_str)
if 'swift' in pkg.name:
# Fully x.y.z match for swift versions
match = re.match('^(\d+)\.(\d+)\.(\d+)', vers)
else:
# x.y match only for 20XX.X
# and ignore patch level for other packages
match = re.match('^(\d+)\.(\d+)', vers)
if match:
vers = match.group(0)
# >= Liberty independent project versions
if (package in PACKAGE_CODENAMES and
vers in PACKAGE_CODENAMES[package]):
return PACKAGE_CODENAMES[package][vers]
else:
# < Liberty co-ordinated project versions
try:
if 'swift' in pkg.name:
swift_vers = vers[:5]
if swift_vers not in SWIFT_CODENAMES:
# Deal with 1.10.0 upward
swift_vers = vers[:6]
return SWIFT_CODENAMES[swift_vers]
return get_swift_codename(vers)
else:
vers = vers[:6]
return OPENSTACK_CODENAMES[vers]
except KeyError:
if not fatal:
return None
e = 'Could not determine OpenStack codename for version %s' % vers
error_out(e)
@ -226,9 +315,11 @@ def get_os_version_package(pkg, fatal=True):
if 'swift' in pkg:
vers_map = SWIFT_CODENAMES
for cname, version in six.iteritems(vers_map):
if cname == codename:
return version[-1]
else:
vers_map = OPENSTACK_CODENAMES
for version, cname in six.iteritems(vers_map):
if cname == codename:
return version
@ -327,6 +418,9 @@ def configure_installation_source(rel):
'liberty': 'trusty-updates/liberty',
'liberty/updates': 'trusty-updates/liberty',
'liberty/proposed': 'trusty-proposed/liberty',
'mitaka': 'trusty-updates/mitaka',
'mitaka/updates': 'trusty-updates/mitaka',
'mitaka/proposed': 'trusty-proposed/mitaka',
}
try:
@ -392,9 +486,18 @@ def openstack_upgrade_available(package):
import apt_pkg as apt
src = config('openstack-origin')
cur_vers = get_os_version_package(package)
available_vers = get_os_version_install_source(src)
if "swift" in package:
codename = get_os_codename_install_source(src)
avail_vers = get_os_version_codename_swift(codename)
else:
avail_vers = get_os_version_install_source(src)
apt.init()
return apt.version_compare(available_vers, cur_vers) == 1
if "swift" in package:
major_cur_vers = cur_vers.split('.', 1)[0]
major_avail_vers = avail_vers.split('.', 1)[0]
major_diff = apt.version_compare(major_avail_vers, major_cur_vers)
return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0)
return apt.version_compare(avail_vers, cur_vers) == 1
def ensure_block_device(block_device):
@ -469,6 +572,12 @@ def sync_db_with_multi_ipv6_addresses(database, database_user,
relation_prefix=None):
hosts = get_ipv6_addr(dynamic_only=False)
if config('vip'):
vips = config('vip').split()
for vip in vips:
if vip and is_ipv6(vip):
hosts.append(vip)
kwargs = {'database': database,
'username': database_user,
'hostname': json.dumps(hosts)}
@ -517,7 +626,7 @@ def _git_yaml_load(projects_yaml):
return yaml.load(projects_yaml)
def git_clone_and_install(projects_yaml, core_project, depth=1):
def git_clone_and_install(projects_yaml, core_project):
"""
Clone/install all specified OpenStack repositories.
@ -567,6 +676,9 @@ def git_clone_and_install(projects_yaml, core_project, depth=1):
for p in projects['repositories']:
repo = p['repository']
branch = p['branch']
depth = '1'
if 'depth' in p.keys():
depth = p['depth']
if p['name'] == 'requirements':
repo_dir = _git_clone_and_install_single(repo, branch, depth,
parent_dir, http_proxy,
@ -611,19 +723,13 @@ def _git_clone_and_install_single(repo, branch, depth, parent_dir, http_proxy,
"""
Clone and install a single git repository.
"""
dest_dir = os.path.join(parent_dir, os.path.basename(repo))
if not os.path.exists(parent_dir):
juju_log('Directory already exists at {}. '
'No need to create directory.'.format(parent_dir))
os.mkdir(parent_dir)
if not os.path.exists(dest_dir):
juju_log('Cloning git repo: {}, branch: {}'.format(repo, branch))
repo_dir = install_remote(repo, dest=parent_dir, branch=branch,
depth=depth)
else:
repo_dir = dest_dir
repo_dir = install_remote(repo, dest=parent_dir, branch=branch, depth=depth)
venv = os.path.join(parent_dir, 'venv')
@ -704,3 +810,235 @@ def git_yaml_value(projects_yaml, key):
return projects[key]
return None
def os_workload_status(configs, required_interfaces, charm_func=None):
"""
Decorator to set workload status based on complete contexts
"""
def wrap(f):
@wraps(f)
def wrapped_f(*args, **kwargs):
# Run the original function first
f(*args, **kwargs)
# Set workload status now that contexts have been
# acted on
set_os_workload_status(configs, required_interfaces, charm_func)
return wrapped_f
return wrap
def set_os_workload_status(configs, required_interfaces, charm_func=None):
"""
Set workload status based on complete contexts.
status-set missing or incomplete contexts
and juju-log details of missing required data.
charm_func is a charm specific function to run checking
for charm specific requirements such as a VIP setting.
"""
incomplete_rel_data = incomplete_relation_data(configs, required_interfaces)
state = 'active'
missing_relations = []
incomplete_relations = []
message = None
charm_state = None
charm_message = None
for generic_interface in incomplete_rel_data.keys():
related_interface = None
missing_data = {}
# Related or not?
for interface in incomplete_rel_data[generic_interface]:
if incomplete_rel_data[generic_interface][interface].get('related'):
related_interface = interface
missing_data = incomplete_rel_data[generic_interface][interface].get('missing_data')
# No relation ID for the generic_interface
if not related_interface:
juju_log("{} relation is missing and must be related for "
"functionality. ".format(generic_interface), 'WARN')
state = 'blocked'
if generic_interface not in missing_relations:
missing_relations.append(generic_interface)
else:
# Relation ID exists but no related unit
if not missing_data:
# Edge case relation ID exists but departing
if ('departed' in hook_name() or 'broken' in hook_name()) \
and related_interface in hook_name():
state = 'blocked'
if generic_interface not in missing_relations:
missing_relations.append(generic_interface)
juju_log("{} relation's interface, {}, "
"relationship is departed or broken "
"and is required for functionality."
"".format(generic_interface, related_interface), "WARN")
# Normal case relation ID exists but no related unit
# (joining)
else:
juju_log("{} relations's interface, {}, is related but has "
"no units in the relation."
"".format(generic_interface, related_interface), "INFO")
# Related unit exists and data missing on the relation
else:
juju_log("{} relation's interface, {}, is related awaiting "
"the following data from the relationship: {}. "
"".format(generic_interface, related_interface,
", ".join(missing_data)), "INFO")
if state != 'blocked':
state = 'waiting'
if generic_interface not in incomplete_relations \
and generic_interface not in missing_relations:
incomplete_relations.append(generic_interface)
if missing_relations:
message = "Missing relations: {}".format(", ".join(missing_relations))
if incomplete_relations:
message += "; incomplete relations: {}" \
"".format(", ".join(incomplete_relations))
state = 'blocked'
elif incomplete_relations:
message = "Incomplete relations: {}" \
"".format(", ".join(incomplete_relations))
state = 'waiting'
# Run charm specific checks
if charm_func:
charm_state, charm_message = charm_func(configs)
if charm_state != 'active' and charm_state != 'unknown':
state = workload_state_compare(state, charm_state)
if message:
charm_message = charm_message.replace("Incomplete relations: ",
"")
message = "{}, {}".format(message, charm_message)
else:
message = charm_message
# Set to active if all requirements have been met
if state == 'active':
message = "Unit is ready"
juju_log(message, "INFO")
status_set(state, message)
def workload_state_compare(current_workload_state, workload_state):
""" Return highest priority of two states"""
hierarchy = {'unknown': -1,
'active': 0,
'maintenance': 1,
'waiting': 2,
'blocked': 3,
}
if hierarchy.get(workload_state) is None:
workload_state = 'unknown'
if hierarchy.get(current_workload_state) is None:
current_workload_state = 'unknown'
# Set workload_state based on hierarchy of statuses
if hierarchy.get(current_workload_state) > hierarchy.get(workload_state):
return current_workload_state
else:
return workload_state
def incomplete_relation_data(configs, required_interfaces):
"""
Check complete contexts against required_interfaces
Return dictionary of incomplete relation data.
configs is an OSConfigRenderer object with configs registered
required_interfaces is a dictionary of required general interfaces
with dictionary values of possible specific interfaces.
Example:
required_interfaces = {'database': ['shared-db', 'pgsql-db']}
The interface is said to be satisfied if anyone of the interfaces in the
list has a complete context.
Return dictionary of incomplete or missing required contexts with relation
status of interfaces and any missing data points. Example:
{'message':
{'amqp': {'missing_data': ['rabbitmq_password'], 'related': True},
'zeromq-configuration': {'related': False}},
'identity':
{'identity-service': {'related': False}},
'database':
{'pgsql-db': {'related': False},
'shared-db': {'related': True}}}
"""
complete_ctxts = configs.complete_contexts()
incomplete_relations = []
for svc_type in required_interfaces.keys():
# Avoid duplicates
found_ctxt = False
for interface in required_interfaces[svc_type]:
if interface in complete_ctxts:
found_ctxt = True
if not found_ctxt:
incomplete_relations.append(svc_type)
incomplete_context_data = {}
for i in incomplete_relations:
incomplete_context_data[i] = configs.get_incomplete_context_data(required_interfaces[i])
return incomplete_context_data
def do_action_openstack_upgrade(package, upgrade_callback, configs):
"""Perform action-managed OpenStack upgrade.
Upgrades packages to the configured openstack-origin version and sets
the corresponding action status as a result.
If the charm was installed from source we cannot upgrade it.
For backwards compatibility a config flag (action-managed-upgrade) must
be set for this code to run, otherwise a full service level upgrade will
fire on config-changed.
@param package: package name for determining if upgrade available
@param upgrade_callback: function callback to charm's upgrade function
@param configs: templating object derived from OSConfigRenderer class
@return: True if upgrade successful; False if upgrade failed or skipped
"""
ret = False
if git_install_requested():
action_set({'outcome': 'installed from source, skipped upgrade.'})
else:
if openstack_upgrade_available(package):
if config('action-managed-upgrade'):
juju_log('Upgrading OpenStack release')
try:
upgrade_callback(configs=configs)
action_set({'outcome': 'success, upgrade completed.'})
ret = True
except:
action_set({'outcome': 'upgrade failed, see traceback.'})
action_set({'traceback': traceback.format_exc()})
action_fail('do_openstack_upgrade resulted in an '
'unexpected error')
else:
action_set({'outcome': 'action-managed-upgrade config is '
'False, skipped upgrade.'})
else:
action_set({'outcome': 'no upgrade available.'})
return ret
def remote_restart(rel_name, remote_service=None):
trigger = {
'restart-trigger': str(uuid.uuid4()),
}
if remote_service:
trigger['remote-service'] = remote_service
for rid in relation_ids(rel_name):
# This subordinate can be related to two seperate services using
# different subordinate relations so only issue the restart if
# the principle is conencted down the relation we think it is
if related_units(relid=rid):
relation_set(relation_id=rid,
relation_settings=trigger,
)

9
hooks/charmhelpers/contrib/peerstorage/__init__.py
View File

@ -59,7 +59,7 @@ def some_hook():
"""
def leader_get(attribute=None):
def leader_get(attribute=None, rid=None):
"""Wrapper to ensure that settings are migrated from the peer relation.
This is to support upgrading an environment that does not support
@ -94,7 +94,8 @@ def leader_get(attribute=None):
# If attribute not present in leader db, check if this unit has set
# the attribute in the peer relation
if not leader_settings:
peer_setting = relation_get(attribute=attribute, unit=local_unit())
peer_setting = _relation_get(attribute=attribute, unit=local_unit(),
rid=rid)
if peer_setting:
leader_set(settings={attribute: peer_setting})
leader_settings = peer_setting
@ -103,7 +104,7 @@ def leader_get(attribute=None):
settings_migrated = True
migrated.add(attribute)
else:
r_settings = relation_get(unit=local_unit())
r_settings = _relation_get(unit=local_unit(), rid=rid)
if r_settings:
for key in set(r_settings.keys()).difference(migrated):
# Leader setting wins
@ -151,7 +152,7 @@ def relation_get(attribute=None, unit=None, rid=None):
"""
try:
if rid in relation_ids('cluster'):
return leader_get(attribute)
return leader_get(attribute, rid)
else:
raise NotImplementedError
except NotImplementedError:

13
hooks/charmhelpers/contrib/python/packages.py
View File

@ -42,8 +42,12 @@ def parse_options(given, available):
yield "--{0}={1}".format(key, value)
def pip_install_requirements(requirements, **options):
"""Install a requirements file """
def pip_install_requirements(requirements, constraints=None, **options):
"""Install a requirements file.
:param constraints: Path to pip constraints file.
http://pip.readthedocs.org/en/stable/user_guide/#constraints-files
"""
command = ["install"]
available_options = ('proxy', 'src', 'log', )
@ -51,6 +55,11 @@ def pip_install_requirements(requirements, **options):
command.append(option)
command.append("-r {0}".format(requirements))
if constraints:
command.append("-c {0}".format(constraints))
log("Installing from file: {} with constraints {} "
"and options: {}".format(requirements, constraints, command))
else:
log("Installing from file: {} with options: {}".format(requirements,
command))
pip_execute(command)

691
hooks/charmhelpers/contrib/storage/linux/ceph.py
View File

@ -23,11 +23,14 @@
# James Page <james.page@ubuntu.com>
# Adam Gandelman <adamg@ubuntu.com>
#
import bisect
import six
import os
import shutil
import json
import time
import uuid
from subprocess import (
check_call,
@ -35,8 +38,10 @@ from subprocess import (
CalledProcessError,
)
from charmhelpers.core.hookenv import (
local_unit,
relation_get,
relation_ids,
relation_set,
related_units,
log,
DEBUG,
@ -56,6 +61,8 @@ from charmhelpers.fetch import (
apt_install,
)
from charmhelpers.core.kernel import modprobe
KEYRING = '/etc/ceph/ceph.client.{}.keyring'
KEYFILE = '/etc/ceph/ceph.client.{}.key'
@ -67,6 +74,394 @@ log to syslog = {use_syslog}
err to syslog = {use_syslog}
clog to syslog = {use_syslog}
"""
# For 50 < osds < 240,000 OSDs (Roughly 1 Exabyte at 6T OSDs)
powers_of_two = [8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608]
def validator(value, valid_type, valid_range=None):
"""
Used to validate these: http://docs.ceph.com/docs/master/rados/operations/pools/#set-pool-values
Example input:
validator(value=1,
valid_type=int,
valid_range=[0, 2])
This says I'm testing value=1. It must be an int inclusive in [0,2]
:param value: The value to validate
:param valid_type: The type that value should be.
:param valid_range: A range of values that value can assume.
:return:
"""
assert isinstance(value, valid_type), "{} is not a {}".format(
value,
valid_type)
if valid_range is not None:
assert isinstance(valid_range, list), \
"valid_range must be a list, was given {}".format(valid_range)
# If we're dealing with strings
if valid_type is six.string_types:
assert value in valid_range, \
"{} is not in the list {}".format(value, valid_range)
# Integer, float should have a min and max
else:
if len(valid_range) != 2:
raise ValueError(
"Invalid valid_range list of {} for {}. "
"List must be [min,max]".format(valid_range, value))
assert value >= valid_range[0], \
"{} is less than minimum allowed value of {}".format(
value, valid_range[0])
assert value <= valid_range[1], \
"{} is greater than maximum allowed value of {}".format(
value, valid_range[1])
class PoolCreationError(Exception):
"""
A custom error to inform the caller that a pool creation failed. Provides an error message
"""
def __init__(self, message):
super(PoolCreationError, self).__init__(message)
class Pool(object):
"""
An object oriented approach to Ceph pool creation. This base class is inherited by ReplicatedPool and ErasurePool.
Do not call create() on this base class as it will not do anything. Instantiate a child class and call create().
"""
def __init__(self, service, name):
self.service = service
self.name = name
# Create the pool if it doesn't exist already
# To be implemented by subclasses
def create(self):
pass
def add_cache_tier(self, cache_pool, mode):
"""
Adds a new cache tier to an existing pool.
:param cache_pool: six.string_types. The cache tier pool name to add.
:param mode: six.string_types. The caching mode to use for this pool. valid range = ["readonly", "writeback"]
:return: None
"""
# Check the input types and values
validator(value=cache_pool, valid_type=six.string_types)
validator(value=mode, valid_type=six.string_types, valid_range=["readonly", "writeback"])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'add', self.name, cache_pool])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'cache-mode', cache_pool, mode])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'set-overlay', self.name, cache_pool])
check_call(['ceph', '--id', self.service, 'osd', 'pool', 'set', cache_pool, 'hit_set_type', 'bloom'])
def remove_cache_tier(self, cache_pool):
"""
Removes a cache tier from Ceph. Flushes all dirty objects from writeback pools and waits for that to complete.
:param cache_pool: six.string_types. The cache tier pool name to remove.
:return: None
"""
# read-only is easy, writeback is much harder
mode = get_cache_mode(cache_pool)
if mode == 'readonly':
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'cache-mode', cache_pool, 'none'])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove', self.name, cache_pool])
elif mode == 'writeback':
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'cache-mode', cache_pool, 'forward'])
# Flush the cache and wait for it to return
check_call(['ceph', '--id', self.service, '-p', cache_pool, 'cache-flush-evict-all'])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove-overlay', self.name])
check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove', self.name, cache_pool])
def get_pgs(self, pool_size):
"""
:param pool_size: int. pool_size is either the number of replicas for replicated pools or the K+M sum for
erasure coded pools
:return: int. The number of pgs to use.
"""
validator(value=pool_size, valid_type=int)
osds = get_osds(self.service)
if not osds:
# NOTE(james-page): Default to 200 for older ceph versions
# which don't support OSD query from cli
return 200
# Calculate based on Ceph best practices
if osds < 5:
return 128
elif 5 < osds < 10:
return 512
elif 10 < osds < 50:
return 4096
else:
estimate = (osds * 100) / pool_size
# Return the next nearest power of 2
index = bisect.bisect_right(powers_of_two, estimate)
return powers_of_two[index]
class ReplicatedPool(Pool):
def __init__(self, service, name, replicas=2):
super(ReplicatedPool, self).__init__(service=service, name=name)
self.replicas = replicas
def create(self):
if not pool_exists(self.service, self.name):
# Create it
pgs = self.get_pgs(self.replicas)
cmd = ['ceph', '--id', self.service, 'osd', 'pool', 'create', self.name, str(pgs)]
try:
check_call(cmd)
except CalledProcessError:
raise
# Default jerasure erasure coded pool
class ErasurePool(Pool):
def __init__(self, service, name, erasure_code_profile="default"):
super(ErasurePool, self).__init__(service=service, name=name)
self.erasure_code_profile = erasure_code_profile
def create(self):
if not pool_exists(self.service, self.name):
# Try to find the erasure profile information so we can properly size the pgs
erasure_profile = get_erasure_profile(service=self.service, name=self.erasure_code_profile)
# Check for errors
if erasure_profile is None:
log(message='Failed to discover erasure_profile named={}'.format(self.erasure_code_profile),
level=ERROR)
raise PoolCreationError(message='unable to find erasure profile {}'.format(self.erasure_code_profile))
if 'k' not in erasure_profile or 'm' not in erasure_profile:
# Error
log(message='Unable to find k (data chunks) or m (coding chunks) in {}'.format(erasure_profile),
level=ERROR)
raise PoolCreationError(
message='unable to find k (data chunks) or m (coding chunks) in {}'.format(erasure_profile))
pgs = self.get_pgs(int(erasure_profile['k']) + int(erasure_profile['m']))
# Create it
cmd = ['ceph', '--id', self.service, 'osd', 'pool', 'create', self.name, str(pgs),
'erasure', self.erasure_code_profile]
try:
check_call(cmd)
except CalledProcessError:
raise
"""Get an existing erasure code profile if it already exists.
Returns json formatted output"""
def get_erasure_profile(service, name):
"""
:param service: six.string_types. The Ceph user name to run the command under
:param name:
:return:
"""
try:
out = check_output(['ceph', '--id', service,
'osd', 'erasure-code-profile', 'get',
name, '--format=json'])
return json.loads(out)
except (CalledProcessError, OSError, ValueError):
return None
def pool_set(service, pool_name, key, value):
"""
Sets a value for a RADOS pool in ceph.
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:param key: six.string_types
:param value:
:return: None. Can raise CalledProcessError
"""
cmd = ['ceph', '--id', service, 'osd', 'pool', 'set', pool_name, key, value]
try:
check_call(cmd)
except CalledProcessError:
raise
def snapshot_pool(service, pool_name, snapshot_name):
"""
Snapshots a RADOS pool in ceph.
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:param snapshot_name: six.string_types
:return: None. Can raise CalledProcessError
"""
cmd = ['ceph', '--id', service, 'osd', 'pool', 'mksnap', pool_name, snapshot_name]
try:
check_call(cmd)
except CalledProcessError:
raise
def remove_pool_snapshot(service, pool_name, snapshot_name):
"""
Remove a snapshot from a RADOS pool in ceph.
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:param snapshot_name: six.string_types
:return: None. Can raise CalledProcessError
"""
cmd = ['ceph', '--id', service, 'osd', 'pool', 'rmsnap', pool_name, snapshot_name]
try:
check_call(cmd)
except CalledProcessError:
raise
# max_bytes should be an int or long
def set_pool_quota(service, pool_name, max_bytes):
"""
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:param max_bytes: int or long
:return: None. Can raise CalledProcessError
"""
# Set a byte quota on a RADOS pool in ceph.
cmd = ['ceph', '--id', service, 'osd', 'pool', 'set-quota', pool_name, 'max_bytes', max_bytes]
try:
check_call(cmd)
except CalledProcessError:
raise
def remove_pool_quota(service, pool_name):
"""
Set a byte quota on a RADOS pool in ceph.
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:return: None. Can raise CalledProcessError
"""
cmd = ['ceph', '--id', service, 'osd', 'pool', 'set-quota', pool_name, 'max_bytes', '0']
try:
check_call(cmd)
except CalledProcessError:
raise
def create_erasure_profile(service, profile_name, erasure_plugin_name='jerasure', failure_domain='host',
data_chunks=2, coding_chunks=1,
locality=None, durability_estimator=None):
"""
Create a new erasure code profile if one does not already exist for it. Updates
the profile if it exists. Please see http://docs.ceph.com/docs/master/rados/operations/erasure-code-profile/
for more details
:param service: six.string_types. The Ceph user name to run the command under
:param profile_name: six.string_types
:param erasure_plugin_name: six.string_types
:param failure_domain: six.string_types. One of ['chassis', 'datacenter', 'host', 'osd', 'pdu', 'pod', 'rack', 'region',
'room', 'root', 'row'])
:param data_chunks: int
:param coding_chunks: int
:param locality: int
:param durability_estimator: int
:return: None. Can raise CalledProcessError
"""
# Ensure this failure_domain is allowed by Ceph
validator(failure_domain, six.string_types,
['chassis', 'datacenter', 'host', 'osd', 'pdu', 'pod', 'rack', 'region', 'room', 'root', 'row'])
cmd = ['ceph', '--id', service, 'osd', 'erasure-code-profile', 'set', profile_name,
'plugin=' + erasure_plugin_name, 'k=' + str(data_chunks), 'm=' + str(coding_chunks),
'ruleset_failure_domain=' + failure_domain]
if locality is not None and durability_estimator is not None:
raise ValueError("create_erasure_profile should be called with k, m and one of l or c but not both.")
# Add plugin specific information
if locality is not None:
# For local erasure codes
cmd.append('l=' + str(locality))
if durability_estimator is not None:
# For Shec erasure codes
cmd.append('c=' + str(durability_estimator))
if erasure_profile_exists(service, profile_name):
cmd.append('--force')
try:
check_call(cmd)
except CalledProcessError:
raise
def rename_pool(service, old_name, new_name):
"""
Rename a Ceph pool from old_name to new_name
:param service: six.string_types. The Ceph user name to run the command under
:param old_name: six.string_types
:param new_name: six.string_types
:return: None
"""
validator(value=old_name, valid_type=six.string_types)
validator(value=new_name, valid_type=six.string_types)
cmd = ['ceph', '--id', service, 'osd', 'pool', 'rename', old_name, new_name]
check_call(cmd)
def erasure_profile_exists(service, name):
"""
Check to see if an Erasure code profile already exists.
:param service: six.string_types. The Ceph user name to run the command under
:param name: six.string_types
:return: int or None
"""
validator(value=name, valid_type=six.string_types)
try:
check_call(['ceph', '--id', service,
'osd', 'erasure-code-profile', 'get',
name])
return True
except CalledProcessError:
return False
def get_cache_mode(service, pool_name):
"""
Find the current caching mode of the pool_name given.
:param service: six.string_types. The Ceph user name to run the command under
:param pool_name: six.string_types
:return: int or None
"""
validator(value=service, valid_type=six.string_types)
validator(value=pool_name, valid_type=six.string_types)
out = check_output(['ceph', '--id', service, 'osd', 'dump', '--format=json'])
try:
osd_json = json.loads(out)
for pool in osd_json['pools']:
if pool['pool_name'] == pool_name:
return pool['cache_mode']
return None
except ValueError:
raise
def pool_exists(service, name):
"""Check to see if a RADOS pool already exists."""
try:
out = check_output(['rados', '--id', service,
'lspools']).decode('UTF-8')
except CalledProcessError:
return False
return name in out
def get_osds(service):
"""Return a list of all Ceph Object Storage Daemons currently in the
cluster.
"""
version = ceph_version()
if version and version >= '0.56':
return json.loads(check_output(['ceph', '--id', service,
'osd', 'ls',
'--format=json']).decode('UTF-8'))
return None
def install():
@ -96,53 +491,37 @@ def create_rbd_image(service, pool, image, sizemb):
check_call(cmd)
def pool_exists(service, name):
"""Check to see if a RADOS pool already exists."""
try:
out = check_output(['rados', '--id', service,
'lspools']).decode('UTF-8')
except CalledProcessError:
return False
def update_pool(client, pool, settings):
cmd = ['ceph', '--id', client, 'osd', 'pool', 'set', pool]
for k, v in six.iteritems(settings):
cmd.append(k)
cmd.append(v)
return name in out
check_call(cmd)
def get_osds(service):
"""Return a list of all Ceph Object Storage Daemons currently in the
cluster.
"""
version = ceph_version()
if version and version >= '0.56':
return json.loads(check_output(['ceph', '--id', service,
'osd', 'ls',
'--format=json']).decode('UTF-8'))
return None
def create_pool(service, name, replicas=3):
def create_pool(service, name, replicas=3, pg_num=None):
"""Create a new RADOS pool."""
if pool_exists(service, name):
log("Ceph pool {} already exists, skipping creation".format(name),
level=WARNING)
return
if not pg_num:
# Calculate the number of placement groups based
# on upstream recommended best practices.
osds = get_osds(service)
if osds:
pgnum = (len(osds) * 100 // replicas)
pg_num = (len(osds) * 100 // replicas)
else:
# NOTE(james-page): Default to 200 for older ceph versions
# which don't support OSD query from cli
pgnum = 200
pg_num = 200
cmd = ['ceph', '--id', service, 'osd', 'pool', 'create', name, str(pgnum)]
cmd = ['ceph', '--id', service, 'osd', 'pool', 'create', name, str(pg_num)]
check_call(cmd)
cmd = ['ceph', '--id', service, 'osd', 'pool', 'set', name, 'size',
str(replicas)]
check_call(cmd)
update_pool(service, name, settings={'size': str(replicas)})
def delete_pool(service, name):
@ -197,10 +576,10 @@ def create_key_file(service, key):
log('Created new keyfile at %s.' % keyfile, level=INFO)
def get_ceph_nodes():
"""Query named relation 'ceph' to determine current nodes."""
def get_ceph_nodes(relation='ceph'):
"""Query named relation to determine current nodes."""
hosts = []
for r_id in relation_ids('ceph'):
for r_id in relation_ids(relation):
for unit in related_units(r_id):
hosts.append(relation_get('private-address', unit=unit, rid=r_id))
@ -288,17 +667,6 @@ def place_data_on_block_device(blk_device, data_src_dst):
os.chown(data_src_dst, uid, gid)
# TODO: re-use
def modprobe(module):
"""Load a kernel module and configure for auto-load on reboot."""
log('Loading kernel module', level=INFO)
cmd = ['modprobe', module]
check_call(cmd)
with open('/etc/modules', 'r+') as modules:
if module not in modules.read():
modules.write(module)
def copy_files(src, dst, symlinks=False, ignore=None):
"""Copy files from src to dst."""
for item in os.listdir(src):
@ -363,14 +731,14 @@ def ensure_ceph_storage(service, pool, rbd_img, sizemb, mount_point,
service_start(svc)
def ensure_ceph_keyring(service, user=None, group=None):
def ensure_ceph_keyring(service, user=None, group=None, relation='ceph'):
"""Ensures a ceph keyring is created for a named service and optionally
ensures user and group ownership.
Returns False if no ceph key is available in relation state.
"""
key = None
for rid in relation_ids('ceph'):
for rid in relation_ids(relation):
for unit in related_units(rid):
key = relation_get('key', rid=rid, unit=unit)
if key:
@ -411,17 +779,60 @@ class CephBrokerRq(object):
The API is versioned and defaults to version 1.
"""
def __init__(self, api_version=1):
def __init__(self, api_version=1, request_id=None):
self.api_version = api_version
if request_id:
self.request_id = request_id
else:
self.request_id = str(uuid.uuid1())
self.ops = []
def add_op_create_pool(self, name, replica_count=3):
def add_op_create_pool(self, name, replica_count=3, pg_num=None):
"""Adds an operation to create a pool.
@param pg_num setting: optional setting. If not provided, this value
will be calculated by the broker based on how many OSDs are in the
cluster at the time of creation. Note that, if provided, this value
will be capped at the current available maximum.
"""
self.ops.append({'op': 'create-pool', 'name': name,
'replicas': replica_count})
'replicas': replica_count, 'pg_num': pg_num})
def set_ops(self, ops):
"""Set request ops to provided value.
Useful for injecting ops that come from a previous request
to allow comparisons to ensure validity.
"""
self.ops = ops
@property
def request(self):
return json.dumps({'api-version': self.api_version, 'ops': self.ops})
return json.dumps({'api-version': self.api_version, 'ops': self.ops,
'request-id': self.request_id})
def _ops_equal(self, other):
if len(self.ops) == len(other.ops):
for req_no in range(0, len(self.ops)):
for key in ['replicas', 'name', 'op', 'pg_num']:
if self.ops[req_no].get(key) != other.ops[req_no].get(key):
return False
else:
return False
return True
def __eq__(self, other):
if not isinstance(other, self.__class__):
return False
if self.api_version == other.api_version and \
self._ops_equal(other):
return True
else:
return False
def __ne__(self, other):
return not self.__eq__(other)
class CephBrokerRsp(object):
@ -431,10 +842,15 @@ class CephBrokerRsp(object):
The API is versioned and defaults to version 1.
"""
def __init__(self, encoded_rsp):
self.api_version = None
self.rsp = json.loads(encoded_rsp)
@property
def request_id(self):
return self.rsp.get('request-id')
@property
def exit_code(self):
return self.rsp.get('exit-code')
@ -442,3 +858,182 @@ class CephBrokerRsp(object):
@property
def exit_msg(self):
return self.rsp.get('stderr')
# Ceph Broker Conversation:
# If a charm needs an action to be taken by ceph it can create a CephBrokerRq
# and send that request to ceph via the ceph relation. The CephBrokerRq has a
# unique id so that the client can identity which CephBrokerRsp is associated
# with the request. Ceph will also respond to each client unit individually
# creating a response key per client unit eg glance/0 will get a CephBrokerRsp
# via key broker-rsp-glance-0
#
# To use this the charm can just do something like:
#
# from charmhelpers.contrib.storage.linux.ceph import (
# send_request_if_needed,
# is_request_complete,
# CephBrokerRq,
# )
#
# @hooks.hook('ceph-relation-changed')
# def ceph_changed():
# rq = CephBrokerRq()
# rq.add_op_create_pool(name='poolname', replica_count=3)
#
# if is_request_complete(rq):
# <Request complete actions>
# else:
# send_request_if_needed(get_ceph_request())
#
# CephBrokerRq and CephBrokerRsp are serialized into JSON. Below is an example
# of glance having sent a request to ceph which ceph has successfully processed
# 'ceph:8': {
# 'ceph/0': {
# 'auth': 'cephx',
# 'broker-rsp-glance-0': '{"request-id": "0bc7dc54", "exit-code": 0}',
# 'broker_rsp': '{"request-id": "0da543b8", "exit-code": 0}',
# 'ceph-public-address': '10.5.44.103',
# 'key': 'AQCLDttVuHXINhAAvI144CB09dYchhHyTUY9BQ==',
# 'private-address': '10.5.44.103',
# },
# 'glance/0': {
# 'broker_req': ('{"api-version": 1, "request-id": "0bc7dc54", '
# '"ops": [{"replicas": 3, "name": "glance", '
# '"op": "create-pool"}]}'),
# 'private-address': '10.5.44.109',
# },
# }
def get_previous_request(rid):
"""Return the last ceph broker request sent on a given relation
@param rid: Relation id to query for request
"""
request = None
broker_req = relation_get(attribute='broker_req', rid=rid,
unit=local_unit())
if broker_req:
request_data = json.loads(broker_req)
request = CephBrokerRq(api_version=request_data['api-version'],
request_id=request_data['request-id'])
request.set_ops(request_data['ops'])
return request
def get_request_states(request, relation='ceph'):
"""Return a dict of requests per relation id with their corresponding
completion state.
This allows a charm, which has a request for ceph, to see whether there is
an equivalent request already being processed and if so what state that
request is in.
@param request: A CephBrokerRq object
"""
complete = []
requests = {}
for rid in relation_ids(relation):
complete = False
previous_request = get_previous_request(rid)
if request == previous_request:
sent = True
complete = is_request_complete_for_rid(previous_request, rid)
else:
sent = False
complete = False
requests[rid] = {
'sent': sent,
'complete': complete,
}
return requests
def is_request_sent(request, relation='ceph'):
"""Check to see if a functionally equivalent request has already been sent
Returns True if a similair request has been sent
@param request: A CephBrokerRq object
"""
states = get_request_states(request, relation=relation)
for rid in states.keys():
if not states[rid]['sent']:
return False
return True
def is_request_complete(request, relation='ceph'):
"""Check to see if a functionally equivalent request has already been
completed
Returns True if a similair request has been completed
@param request: A CephBrokerRq object
"""
states = get_request_states(request, relation=relation)
for rid in states.keys():
if not states[rid]['complete']:
return False
return True
def is_request_complete_for_rid(request, rid):
"""Check if a given request has been completed on the given relation
@param request: A CephBrokerRq object
@param rid: Relation ID
"""
broker_key = get_broker_rsp_key()
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
if rdata.get(broker_key):
rsp = CephBrokerRsp(rdata.get(broker_key))
if rsp.request_id == request.request_id:
if not rsp.exit_code:
return True
else:
# The remote unit sent no reply targeted at this unit so either the
# remote ceph cluster does not support unit targeted replies or it
# has not processed our request yet.
if rdata.get('broker_rsp'):
request_data = json.loads(rdata['broker_rsp'])
if request_data.get('request-id'):
log('Ignoring legacy broker_rsp without unit key as remote '
'service supports unit specific replies', level=DEBUG)
else:
log('Using legacy broker_rsp as remote service does not '
'supports unit specific replies', level=DEBUG)
rsp = CephBrokerRsp(rdata['broker_rsp'])
if not rsp.exit_code:
return True
return False
def get_broker_rsp_key():
"""Return broker response key for this unit
This is the key that ceph is going to use to pass request status
information back to this unit
"""
return 'broker-rsp-' + local_unit().replace('/', '-')
def send_request_if_needed(request, relation='ceph'):
"""Send broker request if an equivalent request has not already been sent
@param request: A CephBrokerRq object
"""
if is_request_sent(request, relation=relation):
log('Request already sent but not complete, not sending new request',
level=DEBUG)
else:
for rid in relation_ids(relation):
log('Sending request {}'.format(request.request_id), level=DEBUG)
relation_set(relation_id=rid, broker_req=request.request)

10
hooks/charmhelpers/contrib/storage/linux/loopback.py
View File

@ -76,3 +76,13 @@ def ensure_loopback_device(path, size):
check_call(cmd)
return create_loopback(path)
def is_mapped_loopback_device(device):
"""
Checks if a given device name is an existing/mapped loopback device.
:param device: str: Full path to the device (eg, /dev/loop1).
:returns: str: Path to the backing file if is a loopback device
empty string otherwise
"""
return loopback_devices().get(device, "")

5
hooks/charmhelpers/contrib/storage/linux/utils.py
View File

@ -43,9 +43,10 @@ def zap_disk(block_device):
:param block_device: str: Full path of block device to clean.
'''
# https://github.com/ceph/ceph/commit/fdd7f8d83afa25c4e09aaedd90ab93f3b64a677b
# sometimes sgdisk exits non-zero; this is OK, dd will clean up
call(['sgdisk', '--zap-all', '--mbrtogpt',
'--clear', block_device])
call(['sgdisk', '--zap-all', '--', block_device])
call(['sgdisk', '--clear', '--mbrtogpt', '--', block_device])
dev_end = check_output(['blockdev', '--getsz',
block_device]).decode('UTF-8')
gpt_end = int(dev_end.split()[0]) - 100

7
hooks/charmhelpers/contrib/templating/jinja.py
View File

@ -18,14 +18,15 @@
Templating using the python-jinja2 package.
"""
import six
from charmhelpers.fetch import apt_install
from charmhelpers.fetch import apt_install, apt_update
try:
import jinja2
except ImportError:
apt_update(fatal=True)
if six.PY3:
apt_install(["python3-jinja2"])
apt_install(["python3-jinja2"], fatal=True)
else:
apt_install(["python-jinja2"])
apt_install(["python-jinja2"], fatal=True)
import jinja2

198
hooks/charmhelpers/core/hookenv.py
View File

@ -74,6 +74,7 @@ def cached(func):
res = func(*args, **kwargs)
cache[key] = res
return res
wrapper._wrapped = func
return wrapper
@ -173,9 +174,19 @@ def relation_type():
return os.environ.get('JUJU_RELATION', None)
def relation_id():
"""The relation ID for the current relation hook"""
@cached
def relation_id(relation_name=None, service_or_unit=None):
"""The relation ID for the current or a specified relation"""
if not relation_name and not service_or_unit:
return os.environ.get('JUJU_RELATION_ID', None)
elif relation_name and service_or_unit:
service_name = service_or_unit.split('/')[0]
for relid in relation_ids(relation_name):
remote_service = remote_service_name(relid)
if remote_service == service_name:
return relid
else:
raise ValueError('Must specify neither or both of relation_name and service_or_unit')
def local_unit():
@ -193,9 +204,20 @@ def service_name():
return local_unit().split('/')[0]
@cached
def remote_service_name(relid=None):
"""The remote service name for a given relation-id (or the current relation)"""
if relid is None:
unit = remote_unit()
else:
units = related_units(relid)
unit = units[0] if units else None
return unit.split('/')[0] if unit else None
def hook_name():
"""The name of the currently executing hook"""
return os.path.basename(sys.argv[0])
return os.environ.get('JUJU_HOOK_NAME', os.path.basename(sys.argv[0]))
class Config(dict):
@ -468,6 +490,76 @@ def relation_types():
return rel_types
@cached
def peer_relation_id():
'''Get the peers relation id if a peers relation has been joined, else None.'''
md = metadata()
section = md.get('peers')
if section:
for key in section:
relids = relation_ids(key)
if relids:
return relids[0]
return None
@cached
def relation_to_interface(relation_name):
"""
Given the name of a relation, return the interface that relation uses.
:returns: The interface name, or ``None``.
"""
return relation_to_role_and_interface(relation_name)[1]
@cached
def relation_to_role_and_interface(relation_name):
"""
Given the name of a relation, return the role and the name of the interface
that relation uses (where role is one of ``provides``, ``requires``, or ``peers``).
:returns: A tuple containing ``(role, interface)``, or ``(None, None)``.
"""
_metadata = metadata()
for role in ('provides', 'requires', 'peers'):
interface = _metadata.get(role, {}).get(relation_name, {}).get('interface')
if interface:
return role, interface
return None, None
@cached
def role_and_interface_to_relations(role, interface_name):
"""
Given a role and interface name, return a list of relation names for the
current charm that use that interface under that role (where role is one
of ``provides``, ``requires``, or ``peers``).
:returns: A list of relation names.
"""
_metadata = metadata()
results = []
for relation_name, relation in _metadata.get(role, {}).items():
if relation['interface'] == interface_name:
results.append(relation_name)
return results
@cached
def interface_to_relations(interface_name):
"""
Given an interface, return a list of relation names for the current
charm that use that interface.
:returns: A list of relation names.
"""
results = []
for role in ('provides', 'requires', 'peers'):
results.extend(role_and_interface_to_relations(role, interface_name))
return results
@cached
def charm_name():
"""Get the name of the current charm as is specified on metadata.yaml"""
@ -544,6 +636,38 @@ def unit_private_ip():
return unit_get('private-address')
@cached
def storage_get(attribute=None, storage_id=None):
"""Get storage attributes"""
_args = ['storage-get', '--format=json']
if storage_id:
_args.extend(('-s', storage_id))
if attribute:
_args.append(attribute)
try:
return json.loads(subprocess.check_output(_args).decode('UTF-8'))
except ValueError:
return None
@cached
def storage_list(storage_name=None):
"""List the storage IDs for the unit"""
_args = ['storage-list', '--format=json']
if storage_name:
_args.append(storage_name)
try:
return json.loads(subprocess.check_output(_args).decode('UTF-8'))
except ValueError:
return None
except OSError as e:
import errno
if e.errno == errno.ENOENT:
# storage-list does not exist
return []
raise
class UnregisteredHookError(Exception):
"""Raised when an undefined hook is called"""
pass
@ -644,6 +768,21 @@ def action_fail(message):
subprocess.check_call(['action-fail', message])
def action_name():
"""Get the name of the currently executing action."""
return os.environ.get('JUJU_ACTION_NAME')
def action_uuid():
"""Get the UUID of the currently executing action."""
return os.environ.get('JUJU_ACTION_UUID')
def action_tag():
"""Get the tag for the currently executing action."""
return os.environ.get('JUJU_ACTION_TAG')
def status_set(workload_state, message):
"""Set the workload state with a message
@ -673,25 +812,28 @@ def status_set(workload_state, message):
def status_get():
"""Retrieve the previously set juju workload state
"""Retrieve the previously set juju workload state and message
If the status-get command is not found then assume this is juju < 1.23 and
return 'unknown', ""
If the status-set command is not found then assume this is juju < 1.23 and
return 'unknown'
"""
cmd = ['status-get']
cmd = ['status-get', "--format=json", "--include-data"]
try:
raw_status = subprocess.check_output(cmd, universal_newlines=True)
status = raw_status.rstrip()
return status
raw_status = subprocess.check_output(cmd)
except OSError as e:
if e.errno == errno.ENOENT:
return 'unknown'
return ('unknown', "")
else:
raise
else:
status = json.loads(raw_status.decode("UTF-8"))
return (status["status"], status["message"])
def translate_exc(from_exc, to_exc):
def inner_translate_exc1(f):
@wraps(f)
def inner_translate_exc2(*args, **kwargs):
try:
return f(*args, **kwargs)
@ -736,6 +878,40 @@ def leader_set(settings=None, **kwargs):
subprocess.check_call(cmd)
@translate_exc(from_exc=OSError, to_exc=NotImplementedError)
def payload_register(ptype, klass, pid):
""" is used while a hook is running to let Juju know that a
payload has been started."""
cmd = ['payload-register']
for x in [ptype, klass, pid]:
cmd.append(x)
subprocess.check_call(cmd)
@translate_exc(from_exc=OSError, to_exc=NotImplementedError)
def payload_unregister(klass, pid):
""" is used while a hook is running to let Juju know
that a payload has been manually stopped. The <class> and <id> provided
must match a payload that has been previously registered with juju using
payload-register."""
cmd = ['payload-unregister']
for x in [klass, pid]:
cmd.append(x)
subprocess.check_call(cmd)
@translate_exc(from_exc=OSError, to_exc=NotImplementedError)
def payload_status_set(klass, pid, status):
"""is used to update the current status of a registered payload.
The <class> and <id> provided must match a payload that has been previously
registered with juju using payload-register. The <status> must be one of the
follow: starting, started, stopping, stopped"""
cmd = ['payload-status-set']
for x in [klass, pid, status]:
cmd.append(x)
subprocess.check_call(cmd)
@cached
def juju_version():
"""Full version string (eg. '1.23.3.1-trusty-amd64')"""

259
hooks/charmhelpers/core/host.py
View File

@ -63,52 +63,83 @@ def service_reload(service_name, restart_on_failure=False):
return service_result
def service_pause(service_name, init_dir=None):
def service_pause(service_name, init_dir="/etc/init", initd_dir="/etc/init.d"):
"""Pause a system service.
Stop it, and prevent it from starting again at boot."""
if init_dir is None:
init_dir = "/etc/init"
stopped = True
if service_running(service_name):
stopped = service_stop(service_name)
# XXX: Support systemd too
upstart_file = os.path.join(init_dir, "{}.conf".format(service_name))
sysv_file = os.path.join(initd_dir, service_name)
if init_is_systemd():
service('disable', service_name)
elif os.path.exists(upstart_file):
override_path = os.path.join(
init_dir, '{}.conf.override'.format(service_name))
init_dir, '{}.override'.format(service_name))
with open(override_path, 'w') as fh:
fh.write("manual\n")
elif os.path.exists(sysv_file):
subprocess.check_call(["update-rc.d", service_name, "disable"])
else:
raise ValueError(
"Unable to detect {0} as SystemD, Upstart {1} or"
" SysV {2}".format(
service_name, upstart_file, sysv_file))
return stopped
def service_resume(service_name, init_dir=None):
def service_resume(service_name, init_dir="/etc/init",
initd_dir="/etc/init.d"):
"""Resume a system service.
Reenable starting again at boot. Start the service"""
# XXX: Support systemd too
if init_dir is None:
init_dir = "/etc/init"
upstart_file = os.path.join(init_dir, "{}.conf".format(service_name))
sysv_file = os.path.join(initd_dir, service_name)
if init_is_systemd():
service('enable', service_name)
elif os.path.exists(upstart_file):
override_path = os.path.join(
init_dir, '{}.conf.override'.format(service_name))
init_dir, '{}.override'.format(service_name))
if os.path.exists(override_path):
os.unlink(override_path)
elif os.path.exists(sysv_file):
subprocess.check_call(["update-rc.d", service_name, "enable"])
else:
raise ValueError(
"Unable to detect {0} as SystemD, Upstart {1} or"
" SysV {2}".format(
service_name, upstart_file, sysv_file))
started = service_running(service_name)
if not started:
started = service_start(service_name)
return started
def service(action, service_name):
"""Control a system service"""
if init_is_systemd():
cmd = ['systemctl', action, service_name]
else:
cmd = ['service', service_name, action]
return subprocess.call(cmd) == 0
def service_running(service):
def service_running(service_name):
"""Determine whether a system service is running"""
if init_is_systemd():
return service('is-active', service_name)
else:
try:
output = subprocess.check_output(
['service', service, 'status'],
['service', service_name, 'status'],
stderr=subprocess.STDOUT).decode('UTF-8')
except subprocess.CalledProcessError:
return False
else:
if ("start/running" in output or "is running" in output):
if ("start/running" in output or "is running" in output or
"up and running" in output):
return True
else:
return False
@ -126,8 +157,29 @@ def service_available(service_name):
return True
def adduser(username, password=None, shell='/bin/bash', system_user=False):
"""Add a user to the system"""
SYSTEMD_SYSTEM = '/run/systemd/system'
def init_is_systemd():
"""Return True if the host system uses systemd, False otherwise."""
return os.path.isdir(SYSTEMD_SYSTEM)
def adduser(username, password=None, shell='/bin/bash', system_user=False,
primary_group=None, secondary_groups=None):
"""Add a user to the system.
Will log but otherwise succeed if the user already exists.
:param str username: Username to create
:param str password: Password for user; if ``None``, create a system user
:param str shell: The default shell for the user
:param bool system_user: Whether to create a login or system user
:param str primary_group: Primary group for user; defaults to username
:param list secondary_groups: Optional list of additional groups
:returns: The password database entry struct, as returned by `pwd.getpwnam`
"""
try:
user_info = pwd.getpwnam(username)
log('user {0} already exists!'.format(username))
@ -142,12 +194,32 @@ def adduser(username, password=None, shell='/bin/bash', system_user=False):
'--shell', shell,
'--password', password,
])
if not primary_group:
try:
grp.getgrnam(username)
primary_group = username # avoid "group exists" error
except KeyError:
pass
if primary_group:
cmd.extend(['-g', primary_group])
if secondary_groups:
cmd.extend(['-G', ','.join(secondary_groups)])
cmd.append(username)
subprocess.check_call(cmd)
user_info = pwd.getpwnam(username)
return user_info
def user_exists(username):
"""Check if a user exists"""
try:
pwd.getpwnam(username)
user_exists = True
except KeyError:
user_exists = False
return user_exists
def add_group(group_name, system_group=False):
"""Add a group to the system"""
try:
@ -229,14 +301,12 @@ def write_file(path, content, owner='root', group='root', perms=0o444):
def fstab_remove(mp):
"""Remove the given mountpoint entry from /etc/fstab
"""
"""Remove the given mountpoint entry from /etc/fstab"""
return Fstab.remove_by_mountpoint(mp)
def fstab_add(dev, mp, fs, options=None):
"""Adds the given device entry to the /etc/fstab file
"""
"""Adds the given device entry to the /etc/fstab file"""
return Fstab.add(dev, mp, fs, options=options)
@ -280,9 +350,19 @@ def mounts():
return system_mounts
def fstab_mount(mountpoint):
"""Mount filesystem using fstab"""
cmd_args = ['mount', mountpoint]
try:
subprocess.check_output(cmd_args)
except subprocess.CalledProcessError as e:
log('Error unmounting {}\n{}'.format(mountpoint, e.output))
return False
return True
def file_hash(path, hash_type='md5'):
"""
Generate a hash checksum of the contents of 'path' or None if not found.
"""Generate a hash checksum of the contents of 'path' or None if not found.
:param str hash_type: Any hash alrgorithm supported by :mod:`hashlib`,
such as md5, sha1, sha256, sha512, etc.
@ -297,10 +377,9 @@ def file_hash(path, hash_type='md5'):
def path_hash(path):
"""
Generate a hash checksum of all files matching 'path'. Standard wildcards
like '*' and '?' are supported, see documentation for the 'glob' module for
more information.
"""Generate a hash checksum of all files matching 'path'. Standard
wildcards like '*' and '?' are supported, see documentation for the 'glob'
module for more information.
:return: dict: A { filename: hash } dictionary for all matched files.
Empty if none found.
@ -312,8 +391,7 @@ def path_hash(path):
def check_hash(path, checksum, hash_type='md5'):
"""
Validate a file using a cryptographic checksum.
"""Validate a file using a cryptographic checksum.
:param str checksum: Value of the checksum used to validate the file.
:param str hash_type: Hash algorithm used to generate `checksum`.
@ -328,6 +406,7 @@ def check_hash(path, checksum, hash_type='md5'):
class ChecksumError(ValueError):
"""A class derived from Value error to indicate the checksum failed."""
pass
@ -396,36 +475,92 @@ def pwgen(length=None):
return(''.join(random_chars))
def list_nics(nic_type):
'''Return a list of nics of given type(s)'''
def is_phy_iface(interface):
"""Returns True if interface is not virtual, otherwise False."""
if interface:
sys_net = '/sys/class/net'
if os.path.isdir(sys_net):
for iface in glob.glob(os.path.join(sys_net, '*')):
if '/virtual/' in os.path.realpath(iface):
continue
if interface == os.path.basename(iface):
return True
return False
def get_bond_master(interface):
"""Returns bond master if interface is bond slave otherwise None.
NOTE: the provided interface is expected to be physical
"""
if interface:
iface_path = '/sys/class/net/%s' % (interface)
if os.path.exists(iface_path):
if '/virtual/' in os.path.realpath(iface_path):
return None
master = os.path.join(iface_path, 'master')
if os.path.exists(master):
master = os.path.realpath(master)
# make sure it is a bond master
if os.path.exists(os.path.join(master, 'bonding')):
return os.path.basename(master)
return None
def list_nics(nic_type=None):
"""Return a list of nics of given type(s)"""
if isinstance(nic_type, six.string_types):
int_types = [nic_type]
else:
int_types = nic_type
interfaces = []
if nic_type:
for int_type in int_types:
cmd = ['ip', 'addr', 'show', 'label', int_type + '*']
ip_output = subprocess.check_output(cmd).decode('UTF-8').split('\n')
ip_output = subprocess.check_output(cmd).decode('UTF-8')
ip_output = ip_output.split('\n')
ip_output = (line for line in ip_output if line)
for line in ip_output:
if line.split()[1].startswith(int_type):
matched = re.search('.*: (' + int_type + r'[0-9]+\.[0-9]+)@.*', line)
matched = re.search('.*: (' + int_type +
r'[0-9]+\.[0-9]+)@.*', line)
if matched:
interface = matched.groups()[0]
iface = matched.groups()[0]
else:
interface = line.split()[1].replace(":", "")
interfaces.append(interface)
iface = line.split()[1].replace(":", "")
if iface not in interfaces:
interfaces.append(iface)
else:
cmd = ['ip', 'a']
ip_output = subprocess.check_output(cmd).decode('UTF-8').split('\n')
ip_output = (line.strip() for line in ip_output if line)
key = re.compile('^[0-9]+:\s+(.+):')
for line in ip_output:
matched = re.search(key, line)
if matched:
iface = matched.group(1)
iface = iface.partition("@")[0]
if iface not in interfaces:
interfaces.append(iface)
return interfaces
def set_nic_mtu(nic, mtu):
'''Set MTU on a network interface'''
"""Set the Maximum Transmission Unit (MTU) on a network interface."""
cmd = ['ip', 'link', 'set', nic, 'mtu', mtu]
subprocess.check_call(cmd)
def get_nic_mtu(nic):
"""Return the Maximum Transmission Unit (MTU) for a network interface."""
cmd = ['ip', 'addr', 'show', nic]
ip_output = subprocess.check_output(cmd).decode('UTF-8').split('\n')
mtu = ""
@ -437,6 +572,7 @@ def get_nic_mtu(nic):
def get_nic_hwaddr(nic):
"""Return the Media Access Control (MAC) for a network interface."""
cmd = ['ip', '-o', '-0', 'addr', 'show', nic]
ip_output = subprocess.check_output(cmd).decode('UTF-8')
hwaddr = ""
@ -447,7 +583,7 @@ def get_nic_hwaddr(nic):
def cmp_pkgrevno(package, revno, pkgcache=None):
'''Compare supplied revno with the revno of the installed package
"""Compare supplied revno with the revno of the installed package
* 1 => Installed revno is greater than supplied arg
* 0 => Installed revno is the same as supplied arg
@ -456,7 +592,7 @@ def cmp_pkgrevno(package, revno, pkgcache=None):
This function imports apt_cache function from charmhelpers.fetch if
the pkgcache argument is None. Be sure to add charmhelpers.fetch if
you call this function, or pass an apt_pkg.Cache() instance.
'''
"""
import apt_pkg
if not pkgcache:
from charmhelpers.fetch import apt_cache
@ -466,15 +602,30 @@ def cmp_pkgrevno(package, revno, pkgcache=None):
@contextmanager
def chdir(d):
def chdir(directory):
"""Change the current working directory to a different directory for a code
block and return the previous directory after the block exits. Useful to
run commands from a specificed directory.
:param str directory: The directory path to change to for this context.
"""
cur = os.getcwd()
try:
yield os.chdir(d)
yield os.chdir(directory)
finally:
os.chdir(cur)
def chownr(path, owner, group, follow_links=True):
def chownr(path, owner, group, follow_links=True, chowntopdir=False):
"""Recursively change user and group ownership of files and directories
in given path. Doesn't chown path itself by default, only its children.
:param str path: The string path to start changing ownership.
:param str owner: The owner string to use when looking up the uid.
:param str group: The group string to use when looking up the gid.
:param bool follow_links: Also Chown links if True
:param bool chowntopdir: Also chown path itself if True
"""
uid = pwd.getpwnam(owner).pw_uid
gid = grp.getgrnam(group).gr_gid
if follow_links:
@ -482,6 +633,10 @@ def chownr(path, owner, group, follow_links=True):
else:
chown = os.lchown
if chowntopdir:
broken_symlink = os.path.lexists(path) and not os.path.exists(path)
if not broken_symlink:
chown(path, uid, gid)
for root, dirs, files in os.walk(path):
for name in dirs + files:
full = os.path.join(root, name)
@ -491,4 +646,28 @@ def chownr(path, owner, group, follow_links=True):
def lchownr(path, owner, group):
"""Recursively change user and group ownership of files and directories
in a given path, not following symbolic links. See the documentation for
'os.lchown' for more information.
:param str path: The string path to start changing ownership.
:param str owner: The owner string to use when looking up the uid.
:param str group: The group string to use when looking up the gid.
"""
chownr(path, owner, group, follow_links=False)
def get_total_ram():
"""The total amount of system RAM in bytes.
This is what is reported by the OS, and may be overcommitted when
there are multiple containers hosted on the same machine.
"""
with open('/proc/meminfo', 'r') as f:
for line in f.readlines():
if line:
key, value, unit = line.split()
if key == 'MemTotal:':
assert unit == 'kB', 'Unknown unit'
return int(value) * 1024 # Classic, not KiB.
raise NotImplementedError()

71
hooks/charmhelpers/core/hugepage.py Normal file
View File

@ -0,0 +1,71 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2015 Canonical Limited.
#
# This file is part of charm-helpers.
#
# charm-helpers is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3 as
# published by the Free Software Foundation.
#
# charm-helpers is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import yaml
from charmhelpers.core import fstab
from charmhelpers.core import sysctl
from charmhelpers.core.host import (
add_group,
add_user_to_group,
fstab_mount,
mkdir,
)
from charmhelpers.core.strutils import bytes_from_string
from subprocess import check_output
def hugepage_support(user, group='hugetlb', nr_hugepages=256,
max_map_count=65536, mnt_point='/run/hugepages/kvm',
pagesize='2MB', mount=True, set_shmmax=False):
"""Enable hugepages on system.
Args:
user (str) -- Username to allow access to hugepages to
group (str) -- Group name to own hugepages
nr_hugepages (int) -- Number of pages to reserve
max_map_count (int) -- Number of Virtual Memory Areas a process can own
mnt_point (str) -- Directory to mount hugepages on
pagesize (str) -- Size of hugepages
mount (bool) -- Whether to Mount hugepages
"""
group_info = add_group(group)
gid = group_info.gr_gid
add_user_to_group(user, group)
if max_map_count < 2 * nr_hugepages:
max_map_count = 2 * nr_hugepages
sysctl_settings = {
'vm.nr_hugepages': nr_hugepages,
'vm.max_map_count': max_map_count,
'vm.hugetlb_shm_group': gid,
}
if set_shmmax:
shmmax_current = int(check_output(['sysctl', '-n', 'kernel.shmmax']))
shmmax_minsize = bytes_from_string(pagesize) * nr_hugepages
if shmmax_minsize > shmmax_current:
sysctl_settings['kernel.shmmax'] = shmmax_minsize
sysctl.create(yaml.dump(sysctl_settings), '/etc/sysctl.d/10-hugepage.conf')
mkdir(mnt_point, owner='root', group='root', perms=0o755, force=False)
lfstab = fstab.Fstab()
fstab_entry = lfstab.get_entry_by_attr('mountpoint', mnt_point)
if fstab_entry:
lfstab.remove_entry(fstab_entry)
entry = lfstab.Entry('nodev', mnt_point, 'hugetlbfs',
'mode=1770,gid={},pagesize={}'.format(gid, pagesize), 0, 0)
lfstab.add_entry(entry)
if mount:
fstab_mount(mnt_point)

68
hooks/charmhelpers/core/kernel.py Normal file
View File

@ -0,0 +1,68 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014-2015 Canonical Limited.
#
# This file is part of charm-helpers.
#
# charm-helpers is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3 as
# published by the Free Software Foundation.
#
# charm-helpers is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>"
from charmhelpers.core.hookenv import (
log,
INFO
)
from subprocess import check_call, check_output
import re
def modprobe(module, persist=True):
"""Load a kernel module and configure for auto-load on reboot."""
cmd = ['modprobe', module]
log('Loading kernel module %s' % module, level=INFO)
check_call(cmd)
if persist:
with open('/etc/modules', 'r+') as modules:
if module not in modules.read():
modules.write(module)
def rmmod(module, force=False):
"""Remove a module from the linux kernel"""
cmd = ['rmmod']
if force:
cmd.append('-f')
cmd.append(module)
log('Removing kernel module %s' % module, level=INFO)
return check_call(cmd)
def lsmod():
"""Shows what kernel modules are currently loaded"""
return check_output(['lsmod'],
universal_newlines=True)
def is_module_loaded(module):
"""Checks if a kernel module is already loaded"""
matches = re.findall('^%s[ ]+' % module, lsmod(), re.M)
return len(matches) > 0
def update_initramfs(version='all'):
"""Updates an initramfs image"""
return check_call(["update-initramfs", "-k", version, "-u"])

35
hooks/charmhelpers/core/services/helpers.py
View File

@ -16,7 +16,9 @@
import os
import yaml
from charmhelpers.core import hookenv
from charmhelpers.core import host
from charmhelpers.core import templating
from charmhelpers.core.services.base import ManagerCallback
@ -240,27 +242,50 @@ class TemplateCallback(ManagerCallback):
:param str source: The template source file, relative to
`$CHARM_DIR/templates`
:param str target: The target to write the rendered template to
:param str target: The target to write the rendered template to (or None)
:param str owner: The owner of the rendered file
:param str group: The group of the rendered file
:param int perms: The permissions of the rendered file
:param partial on_change_action: functools partial to be executed when
rendered file changes
:param jinja2 loader template_loader: A jinja2 template loader
:return str: The rendered template
"""
def __init__(self, source, target,
owner='root', group='root', perms=0o444):
owner='root', group='root', perms=0o444,
on_change_action=None, template_loader=None):
self.source = source
self.target = target
self.owner = owner
self.group = group
self.perms = perms
self.on_change_action = on_change_action
self.template_loader = template_loader
def __call__(self, manager, service_name, event_name):
pre_checksum = ''
if self.on_change_action and os.path.isfile(self.target):
pre_checksum = host.file_hash(self.target)
service = manager.get_service(service_name)
context = {}
context = {'ctx': {}}
for ctx in service.get('required_data', []):
context.update(ctx)
templating.render(self.source, self.target, context,
self.owner, self.group, self.perms)
context['ctx'].update(ctx)
result = templating.render(self.source, self.target, context,
self.owner, self.group, self.perms,
template_loader=self.template_loader)
if self.on_change_action:
if pre_checksum == host.file_hash(self.target):
hookenv.log(
'No change detected: {}'.format(self.target),
hookenv.DEBUG)
else:
self.on_change_action()
return result
# Convenience aliases for templates

30
hooks/charmhelpers/core/strutils.py
View File

@ -18,6 +18,7 @@
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import six
import re
def bool_from_string(value):
@ -40,3 +41,32 @@ def bool_from_string(value):
msg = "Unable to interpret string value '%s' as boolean" % (value)
raise ValueError(msg)
def bytes_from_string(value):
"""Interpret human readable string value as bytes.
Returns int
"""
BYTE_POWER = {
'K': 1,
'KB': 1,
'M': 2,
'MB': 2,
'G': 3,
'GB': 3,
'T': 4,
'TB': 4,
'P': 5,
'PB': 5,
}
if isinstance(value, six.string_types):
value = six.text_type(value)
else:
msg = "Unable to interpret non-string value '%s' as boolean" % (value)
raise ValueError(msg)
matches = re.match("([0-9]+)([a-zA-Z]+)", value)
if not matches:
msg = "Unable to interpret string value '%s' as bytes" % (value)
raise ValueError(msg)
return int(matches.group(1)) * (1024 ** BYTE_POWER[matches.group(2)])

21
hooks/charmhelpers/core/templating.py
View File

@ -21,13 +21,14 @@ from charmhelpers.core import hookenv
def render(source, target, context, owner='root', group='root',
perms=0o444, templates_dir=None, encoding='UTF-8'):
perms=0o444, templates_dir=None, encoding='UTF-8', template_loader=None):
"""
Render a template.
The `source` path, if not absolute, is relative to the `templates_dir`.
The `target` path should be absolute.
The `target` path should be absolute. It can also be `None`, in which
case no file will be written.
The context should be a dict containing the values to be replaced in the
template.
@ -36,6 +37,9 @@ def render(source, target, context, owner='root', group='root',
If omitted, `templates_dir` defaults to the `templates` folder in the charm.
The rendered template will be written to the file as well as being returned
as a string.
Note: Using this requires python-jinja2; if it is not installed, calling
this will attempt to use charmhelpers.fetch.apt_install to install it.
"""
@ -52,17 +56,26 @@ def render(source, target, context, owner='root', group='root',
apt_install('python-jinja2', fatal=True)
from jinja2 import FileSystemLoader, Environment, exceptions
if template_loader:
template_env = Environment(loader=template_loader)
else:
if templates_dir is None:
templates_dir = os.path.join(hookenv.charm_dir(), 'templates')
loader = Environment(loader=FileSystemLoader(templates_dir))
template_env = Environment(loader=FileSystemLoader(templates_dir))
try:
source = source
template = loader.get_template(source)
template = template_env.get_template(source)
except exceptions.TemplateNotFound as e:
hookenv.log('Could not load template %s from %s.' %
(source, templates_dir),
level=hookenv.ERROR)
raise e
content = template.render(context)
if target is not None:
target_dir = os.path.dirname(target)
if not os.path.exists(target_dir):
# This is a terrible default directory permission, as the file
# or its siblings will often contain secrets.
host.mkdir(os.path.dirname(target), owner, group, perms=0o755)
host.write_file(target, content.encode(encoding), owner, group, perms)
return content

74
hooks/charmhelpers/core/unitdata.py
View File

@ -152,6 +152,7 @@ associated to the hookname.
import collections
import contextlib
import datetime
import itertools
import json
import os
import pprint
@ -164,8 +165,7 @@ __author__ = 'Kapil Thangavelu <kapil.foss@gmail.com>'
class Storage(object):
"""Simple key value database for local unit state within charms.
Modifications are automatically committed at hook exit. That's
currently regardless of exit code.
Modifications are not persisted unless :meth:`flush` is called.
To support dicts, lists, integer, floats, and booleans values
are automatically json encoded/decoded.
@ -173,6 +173,9 @@ class Storage(object):
def __init__(self, path=None):
self.db_path = path
if path is None:
if 'UNIT_STATE_DB' in os.environ:
self.db_path = os.environ['UNIT_STATE_DB']
else:
self.db_path = os.path.join(
os.environ.get('CHARM_DIR', ''), '.unit-state.db')
self.conn = sqlite3.connect('%s' % self.db_path)
@ -189,15 +192,8 @@ class Storage(object):
self.conn.close()
self._closed = True
def _scoped_query(self, stmt, params=None):
if params is None:
params = []
return stmt, params
def get(self, key, default=None, record=False):
self.cursor.execute(
*self._scoped_query(
'select data from kv where key=?', [key]))
self.cursor.execute('select data from kv where key=?', [key])
result = self.cursor.fetchone()
if not result:
return default
@ -206,33 +202,81 @@ class Storage(object):
return json.loads(result[0])
def getrange(self, key_prefix, strip=False):
stmt = "select key, data from kv where key like '%s%%'" % key_prefix
self.cursor.execute(*self._scoped_query(stmt))
"""
Get a range of keys starting with a common prefix as a mapping of
keys to values.
:param str key_prefix: Common prefix among all keys
:param bool strip: Optionally strip the common prefix from the key
names in the returned dict
:return dict: A (possibly empty) dict of key-value mappings
"""
self.cursor.execute("select key, data from kv where key like ?",
['%s%%' % key_prefix])
result = self.cursor.fetchall()
if not result:
return None
return {}
if not strip:
key_prefix = ''
return dict([
(k[len(key_prefix):], json.loads(v)) for k, v in result])
def update(self, mapping, prefix=""):
"""
Set the values of multiple keys at once.
:param dict mapping: Mapping of keys to values
:param str prefix: Optional prefix to apply to all keys in `mapping`
before setting
"""
for k, v in mapping.items():
self.set("%s%s" % (prefix, k), v)
def unset(self, key):
"""
Remove a key from the database entirely.
"""
self.cursor.execute('delete from kv where key=?', [key])
if self.revision and self.cursor.rowcount:
self.cursor.execute(
'insert into kv_revisions values (?, ?, ?)',
[key, self.revision, json.dumps('DELETED')])
def unsetrange(self, keys=None, prefix=""):
"""
Remove a range of keys starting with a common prefix, from the database
entirely.
:param list keys: List of keys to remove.
:param str prefix: Optional prefix to apply to all keys in ``keys``
before removing.
"""
if keys is not None:
keys = ['%s%s' % (prefix, key) for key in keys]
self.cursor.execute('delete from kv where key in (%s)' % ','.join(['?'] * len(keys)), keys)
if self.revision and self.cursor.rowcount:
self.cursor.execute(
'insert into kv_revisions values %s' % ','.join(['(?, ?, ?)'] * len(keys)),
list(itertools.chain.from_iterable((key, self.revision, json.dumps('DELETED')) for key in keys)))
else:
self.cursor.execute('delete from kv where key like ?',
['%s%%' % prefix])
if self.revision and self.cursor.rowcount:
self.cursor.execute(
'insert into kv_revisions values (?, ?, ?)',
['%s%%' % prefix, self.revision, json.dumps('DELETED')])
def set(self, key, value):
"""
Set a value in the database.
:param str key: Key to set the value for
:param value: Any JSON-serializable value to be set
"""
serialized = json.dumps(value)
self.cursor.execute(
'select data from kv where key=?', [key])
self.cursor.execute('select data from kv where key=?', [key])
exists = self.cursor.fetchone()
# Skip mutations to the same value

20
hooks/charmhelpers/fetch/__init__.py
View File

@ -90,6 +90,22 @@ CLOUD_ARCHIVE_POCKETS = {
'kilo/proposed': 'trusty-proposed/kilo',
'trusty-kilo/proposed': 'trusty-proposed/kilo',
'trusty-proposed/kilo': 'trusty-proposed/kilo',
# Liberty
'liberty': 'trusty-updates/liberty',
'trusty-liberty': 'trusty-updates/liberty',
'trusty-liberty/updates': 'trusty-updates/liberty',
'trusty-updates/liberty': 'trusty-updates/liberty',
'liberty/proposed': 'trusty-proposed/liberty',
'trusty-liberty/proposed': 'trusty-proposed/liberty',
'trusty-proposed/liberty': 'trusty-proposed/liberty',
# Mitaka
'mitaka': 'trusty-updates/mitaka',
'trusty-mitaka': 'trusty-updates/mitaka',
'trusty-mitaka/updates': 'trusty-updates/mitaka',
'trusty-updates/mitaka': 'trusty-updates/mitaka',
'mitaka/proposed': 'trusty-proposed/mitaka',
'trusty-mitaka/proposed': 'trusty-proposed/mitaka',
'trusty-proposed/mitaka': 'trusty-proposed/mitaka',
}
# The order of this list is very important. Handlers should be listed in from
@ -217,12 +233,12 @@ def apt_purge(packages, fatal=False):
def apt_mark(packages, mark, fatal=False):
"""Flag one or more packages using apt-mark"""
log("Marking {} as {}".format(packages, mark))
cmd = ['apt-mark', mark]
if isinstance(packages, six.string_types):
cmd.append(packages)
else:
cmd.extend(packages)
log("Holding {}".format(packages))
if fatal:
subprocess.check_call(cmd, universal_newlines=True)
@ -403,7 +419,7 @@ def plugins(fetch_handlers=None):
importlib.import_module(package),
classname)
plugin_list.append(handler_class())
except (ImportError, AttributeError):
except NotImplementedError:
# Skip missing plugins so that they can be ommitted from
# installation if desired
log("FetchHandler {} not found, skipping plugin".format(

2
hooks/charmhelpers/fetch/archiveurl.py
View File

@ -108,7 +108,7 @@ class ArchiveUrlFetchHandler(BaseFetchHandler):
install_opener(opener)
response = urlopen(source)
try:
with open(dest, 'w') as dest_file:
with open(dest, 'wb') as dest_file:
dest_file.write(response.read())
except Exception as e:
if os.path.isfile(dest):

50
hooks/charmhelpers/fetch/bzrurl.py
View File

@ -15,60 +15,50 @@
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import os
from subprocess import check_call
from charmhelpers.fetch import (
BaseFetchHandler,
UnhandledSource
UnhandledSource,
filter_installed_packages,
apt_install,
)
from charmhelpers.core.host import mkdir
import six
if six.PY3:
raise ImportError('bzrlib does not support Python3')
try:
from bzrlib.branch import Branch
from bzrlib import bzrdir, workingtree, errors
except ImportError:
from charmhelpers.fetch import apt_install
apt_install("python-bzrlib")
from bzrlib.branch import Branch
from bzrlib import bzrdir, workingtree, errors
if filter_installed_packages(['bzr']) != []:
apt_install(['bzr'])
if filter_installed_packages(['bzr']) != []:
raise NotImplementedError('Unable to install bzr')
class BzrUrlFetchHandler(BaseFetchHandler):
"""Handler for bazaar branches via generic and lp URLs"""
def can_handle(self, source):
url_parts = self.parse_url(source)
if url_parts.scheme not in ('bzr+ssh', 'lp'):
if url_parts.scheme not in ('bzr+ssh', 'lp', ''):
return False
elif not url_parts.scheme:
return os.path.exists(os.path.join(source, '.bzr'))
else:
return True
def branch(self, source, dest):
url_parts = self.parse_url(source)
# If we use lp:branchname scheme we need to load plugins
if not self.can_handle(source):
raise UnhandledSource("Cannot handle {}".format(source))
if url_parts.scheme == "lp":
from bzrlib.plugin import load_plugins
load_plugins()
try:
local_branch = bzrdir.BzrDir.create_branch_convenience(dest)
except errors.AlreadyControlDirError:
local_branch = Branch.open(dest)
try:
remote_branch = Branch.open(source)
remote_branch.push(local_branch)
tree = workingtree.WorkingTree.open(dest)
tree.update()
except Exception as e:
raise e
if os.path.exists(dest):
check_call(['bzr', 'pull', '--overwrite', '-d', dest, source])
else:
check_call(['bzr', 'branch', source, dest])
def install(self, source):
def install(self, source, dest=None):
url_parts = self.parse_url(source)
branch_name = url_parts.path.strip("/").split("/")[-1]
if dest:
dest_dir = os.path.join(dest, branch_name)
else:
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
branch_name)
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
try:

41
hooks/charmhelpers/fetch/giturl.py
View File

@ -15,24 +15,18 @@
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import os
from subprocess import check_call, CalledProcessError
from charmhelpers.fetch import (
BaseFetchHandler,
UnhandledSource
UnhandledSource,
filter_installed_packages,
apt_install,
)
from charmhelpers.core.host import mkdir
import six
if six.PY3:
raise ImportError('GitPython does not support Python 3')
try:
from git import Repo
except ImportError:
from charmhelpers.fetch import apt_install
apt_install("python-git")
from git import Repo
from git.exc import GitCommandError # noqa E402
if filter_installed_packages(['git']) != []:
apt_install(['git'])
if filter_installed_packages(['git']) != []:
raise NotImplementedError('Unable to install git')
class GitUrlFetchHandler(BaseFetchHandler):
@ -40,19 +34,24 @@ class GitUrlFetchHandler(BaseFetchHandler):
def can_handle(self, source):
url_parts = self.parse_url(source)
# TODO (mattyw) no support for ssh git@ yet
if url_parts.scheme not in ('http', 'https', 'git'):
if url_parts.scheme not in ('http', 'https', 'git', ''):
return False
elif not url_parts.scheme:
return os.path.exists(os.path.join(source, '.git'))
else:
return True
def clone(self, source, dest, branch, depth=None):
def clone(self, source, dest, branch="master", depth=None):
if not self.can_handle(source):
raise UnhandledSource("Cannot handle {}".format(source))
if depth:
Repo.clone_from(source, dest, branch=branch, depth=depth)
if os.path.exists(dest):
cmd = ['git', '-C', dest, 'pull', source, branch]
else:
Repo.clone_from(source, dest, branch=branch)
cmd = ['git', 'clone', source, dest, '--branch', branch]
if depth:
cmd.extend(['--depth', depth])
check_call(cmd)
def install(self, source, branch="master", dest=None, depth=None):
url_parts = self.parse_url(source)
@ -62,11 +61,9 @@ class GitUrlFetchHandler(BaseFetchHandler):
else:
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
branch_name)
if not os.path.exists(dest_dir):
mkdir(dest_dir, perms=0o755)
try:
self.clone(source, dest_dir, branch, depth)
except GitCommandError as e:
except CalledProcessError as e:
raise UnhandledSource(e)
except OSError as e:
raise UnhandledSource(e.strerror)