compass-core/compass/db/models.py
Xicheng Chang d3f203535a Initial tinycore support on compass-core.
1. Added an endpoint for adding machines.
2. Added user concept to machine model.

Change-Id: I603296d30dbd7182678d98fd5f8f56503cbdc634
2016-06-09 20:38:05 -04:00

1912 lines
61 KiB
Python

# Copyright 2014 Huawei Technologies Co. Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Database model"""
import copy
import datetime
import logging
import netaddr
import re
import simplejson as json
from sqlalchemy import BigInteger
from sqlalchemy import Boolean
from sqlalchemy import Column
from sqlalchemy import ColumnDefault
from sqlalchemy import DateTime
from sqlalchemy import Enum
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy import Float
from sqlalchemy import ForeignKey
from sqlalchemy import Integer
from sqlalchemy.orm import relationship, backref
from sqlalchemy import String
from sqlalchemy import Table
from sqlalchemy import Text
from sqlalchemy.types import TypeDecorator
from sqlalchemy import UniqueConstraint
from compass.db import exception
from compass.utils import util
BASE = declarative_base()
class JSONEncoded(TypeDecorator):
"""Represents an immutable structure as a json-encoded string."""
impl = Text
def process_bind_param(self, value, dialect):
if value is not None:
value = json.dumps(value)
return value
def process_result_value(self, value, dialect):
if value is not None:
value = json.loads(value)
return value
class TimestampMixin(object):
"""Provides table fields for each row created/updated timestamp."""
created_at = Column(DateTime, default=lambda: datetime.datetime.now())
updated_at = Column(DateTime, default=lambda: datetime.datetime.now(),
onupdate=lambda: datetime.datetime.now())
class HelperMixin(object):
"""Provides general fuctions for all compass table models."""
def initialize(self):
self.update()
def update(self):
pass
@staticmethod
def type_compatible(value, column_type):
"""Check if value type is compatible with the column type."""
if value is None:
return True
if not hasattr(column_type, 'python_type'):
return True
column_python_type = column_type.python_type
if isinstance(value, column_python_type):
return True
if issubclass(column_python_type, basestring):
return isinstance(value, basestring)
if column_python_type in [int, long]:
return type(value) in [int, long]
if column_python_type in [float]:
return type(value) in [float]
if column_python_type in [bool]:
return type(value) in [bool]
return False
def validate(self):
"""Generate validate function to make sure the record is legal."""
columns = self.__mapper__.columns
for key, column in columns.items():
value = getattr(self, key)
if not self.type_compatible(value, column.type):
raise exception.InvalidParameter(
'column %s value %r type is unexpected: %s' % (
key, value, column.type
)
)
def to_dict(self):
"""General function to convert record to dict.
Convert all columns not starting with '_' to
{<column_name>: <column_value>}
"""
keys = self.__mapper__.columns.keys()
dict_info = {}
for key in keys:
if key.startswith('_'):
continue
value = getattr(self, key)
if value is not None:
if isinstance(value, datetime.datetime):
value = util.format_datetime(value)
dict_info[key] = value
return dict_info
class StateMixin(TimestampMixin, HelperMixin):
"""Provides general fields and functions for state related table."""
state = Column(
Enum(
'UNINITIALIZED', 'INITIALIZED', 'UPDATE_PREPARING',
'INSTALLING', 'SUCCESSFUL', 'ERROR'
),
ColumnDefault('UNINITIALIZED')
)
percentage = Column(Float, default=0.0)
message = Column(Text, default='')
severity = Column(
Enum('INFO', 'WARNING', 'ERROR'),
ColumnDefault('INFO')
)
ready = Column(Boolean, default=False)
def update(self):
# In state table, some field information is redundant.
# The update function to make sure all related fields
# are set to correct state.
if self.ready:
self.state = 'SUCCESSFUL'
if self.state in ['UNINITIALIZED', 'INITIALIZED']:
self.percentage = 0.0
self.severity = 'INFO'
self.message = ''
if self.state == 'INSTALLING':
if self.severity == 'ERROR':
self.state = 'ERROR'
elif self.percentage >= 1.0:
self.state = 'SUCCESSFUL'
self.percentage = 1.0
if self.state == 'SUCCESSFUL':
self.percentage = 1.0
super(StateMixin, self).update()
class LogHistoryMixin(TimestampMixin, HelperMixin):
"""Provides general fields and functions for LogHistory related tables."""
position = Column(Integer, default=0)
partial_line = Column(Text, default='')
percentage = Column(Float, default=0.0)
message = Column(Text, default='')
severity = Column(
Enum('ERROR', 'WARNING', 'INFO'),
ColumnDefault('INFO')
)
line_matcher_name = Column(
String(80), default='start'
)
def validate(self):
# TODO(xicheng): some validation can be moved to column.
if not self.filename:
raise exception.InvalidParameter(
'filename is not set in %s' % self.id
)
class HostNetwork(BASE, TimestampMixin, HelperMixin):
"""Host network table."""
__tablename__ = 'host_network'
id = Column(Integer, primary_key=True)
host_id = Column(
Integer,
ForeignKey('host.id', onupdate='CASCADE', ondelete='CASCADE')
)
interface = Column(
String(80), nullable=False)
subnet_id = Column(
Integer,
ForeignKey('subnet.id', onupdate='CASCADE', ondelete='CASCADE')
)
ip_int = Column(BigInteger, unique=True, nullable=False)
is_mgmt = Column(Boolean, default=False)
is_promiscuous = Column(Boolean, default=False)
__table_args__ = (
UniqueConstraint('host_id', 'interface', name='constraint'),
)
def __init__(self, host_id, interface, **kwargs):
self.host_id = host_id
self.interface = interface
super(HostNetwork, self).__init__(**kwargs)
def __str__(self):
return 'HostNetwork[%s=%s]' % (self.interface, self.ip)
@property
def ip(self):
return str(netaddr.IPAddress(self.ip_int))
@ip.setter
def ip(self, value):
self.ip_int = int(netaddr.IPAddress(value))
@property
def netmask(self):
return str(netaddr.IPNetwork(self.subnet.subnet).netmask)
def update(self):
self.host.config_validated = False
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(HostNetwork, self).validate()
if not self.subnet:
raise exception.InvalidParameter(
'subnet is not set in %s interface %s' % (
self.host_id, self.interface
)
)
if not self.ip_int:
raise exception.InvalidParameter(
'ip is not set in %s interface %s' % (
self.host_id, self.interface
)
)
ip = netaddr.IPAddress(self.ip_int)
subnet = netaddr.IPNetwork(self.subnet.subnet)
if ip not in subnet:
raise exception.InvalidParameter(
'ip %s is not in subnet %s' % (
str(ip), str(subnet)
)
)
def to_dict(self):
dict_info = super(HostNetwork, self).to_dict()
dict_info['ip'] = self.ip
dict_info['interface'] = self.interface
dict_info['netmask'] = self.netmask
dict_info['subnet'] = self.subnet.subnet
return dict_info
class ClusterHostLogHistory(BASE, LogHistoryMixin):
"""clusterhost installing log history for each file.
"""
__tablename__ = 'clusterhost_log_history'
clusterhost_id = Column(
'id', Integer,
ForeignKey('clusterhost.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True
)
filename = Column(String(80), primary_key=True, nullable=False)
cluster_id = Column(
Integer,
ForeignKey('cluster.id')
)
host_id = Column(
Integer,
ForeignKey('host.id')
)
def __init__(self, clusterhost_id, filename, **kwargs):
self.clusterhost_id = clusterhost_id
self.filename = filename
super(ClusterHostLogHistory, self).__init__(**kwargs)
def __str__(self):
return 'ClusterHostLogHistory[%s:%s]' % (
self.clusterhost_id, self.filename
)
def initialize(self):
self.cluster_id = self.clusterhost.cluster_id
self.host_id = self.clusterhost.host_id
super(ClusterHostLogHistory, self).initialize()
class HostLogHistory(BASE, LogHistoryMixin):
"""host installing log history for each file.
"""
__tablename__ = 'host_log_history'
id = Column(
Integer,
ForeignKey('host.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True)
filename = Column(String(80), primary_key=True, nullable=False)
def __init__(self, id, filename, **kwargs):
self.id = id
self.filename = filename
super(HostLogHistory, self).__init__(**kwargs)
def __str__(self):
return 'HostLogHistory[%s:%s]' % (self.id, self.filename)
class ClusterHostState(BASE, StateMixin):
"""ClusterHost state table."""
__tablename__ = 'clusterhost_state'
id = Column(
Integer,
ForeignKey(
'clusterhost.id',
onupdate='CASCADE', ondelete='CASCADE'
),
primary_key=True
)
def __str__(self):
return 'ClusterHostState[%s state %s percentage %s]' % (
self.id, self.state, self.percentage
)
def update(self):
"""Update clusterhost state.
When clusterhost state is updated, the underlying host state
may be updated accordingly.
"""
super(ClusterHostState, self).update()
host_state = self.clusterhost.host.state
if self.state == 'INITIALIZED':
if host_state.state in ['UNINITIALIZED', 'UPDATE_PREPARING']:
host_state.state = 'INITIALIZED'
host_state.update()
elif self.state == 'INSTALLING':
if host_state.state in [
'UNINITIALIZED', 'UPDATE_PREPARING', 'INITIALIZED'
]:
host_state.state = 'INSTALLING'
host_state.update()
elif self.state == 'SUCCESSFUL':
if host_state.state != 'SUCCESSFUL':
host_state.state = 'SUCCESSFUL'
host_state.update()
class ClusterHost(BASE, TimestampMixin, HelperMixin):
"""ClusterHost table."""
__tablename__ = 'clusterhost'
clusterhost_id = Column('id', Integer, primary_key=True)
cluster_id = Column(
Integer,
ForeignKey('cluster.id', onupdate='CASCADE', ondelete='CASCADE')
)
host_id = Column(
Integer,
ForeignKey('host.id', onupdate='CASCADE', ondelete='CASCADE')
)
# the list of role names.
_roles = Column('roles', JSONEncoded, default=[])
_patched_roles = Column('patched_roles', JSONEncoded, default=[])
config_step = Column(String(80), default='')
package_config = Column(JSONEncoded, default={})
config_validated = Column(Boolean, default=False)
deployed_package_config = Column(JSONEncoded, default={})
log_histories = relationship(
ClusterHostLogHistory,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('clusterhost')
)
__table_args__ = (
UniqueConstraint('cluster_id', 'host_id', name='constraint'),
)
state = relationship(
ClusterHostState,
uselist=False,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('clusterhost')
)
def __init__(self, cluster_id, host_id, **kwargs):
self.cluster_id = cluster_id
self.host_id = host_id
self.state = ClusterHostState()
super(ClusterHost, self).__init__(**kwargs)
def __str__(self):
return 'ClusterHost[%s:%s]' % (self.clusterhost_id, self.name)
def update(self):
if self.host.reinstall_os:
if self.state in ['SUCCESSFUL', 'ERROR']:
if self.config_validated:
self.state.state = 'INITIALIZED'
else:
self.state.state = 'UNINITIALIZED'
self.cluster.update()
self.host.update()
self.state.update()
super(ClusterHost, self).update()
@property
def name(self):
return '%s.%s' % (self.host.name, self.cluster.name)
@property
def patched_package_config(self):
return self.package_config
@patched_package_config.setter
def patched_package_config(self, value):
package_config = copy.deepcopy(self.package_config)
self.package_config = util.merge_dict(package_config, value)
logging.debug(
'patch clusterhost %s package_config: %s',
self.clusterhost_id, value
)
self.config_validated = False
@property
def put_package_config(self):
return self.package_config
@put_package_config.setter
def put_package_config(self, value):
package_config = copy.deepcopy(self.package_config)
package_config.update(value)
self.package_config = package_config
logging.debug(
'put clusterhost %s package_config: %s',
self.clusterhost_id, value
)
self.config_validated = False
@property
def patched_os_config(self):
return self.host.os_config
@patched_os_config.setter
def patched_os_config(self, value):
host = self.host
host.patched_os_config = value
@property
def put_os_config(self):
return self.host.os_config
@put_os_config.setter
def put_os_config(self, value):
host = self.host
host.put_os_config = value
@property
def deployed_os_config(self):
return self.host.deployed_os_config
@deployed_os_config.setter
def deployed_os_config(self, value):
host = self.host
host.deployed_os_config = value
@hybrid_property
def os_name(self):
return self.host.os_name
@os_name.expression
def os_name(cls):
return cls.host.os_name
@hybrid_property
def clustername(self):
return self.cluster.name
@clustername.expression
def clustername(cls):
return cls.cluster.name
@hybrid_property
def hostname(self):
return self.host.hostname
@hostname.expression
def hostname(cls):
return Host.hostname
@property
def distributed_system_installed(self):
return self.state.state == 'SUCCESSFUL'
@property
def resintall_os(self):
return self.host.reinstall_os
@property
def reinstall_distributed_system(self):
return self.cluster.reinstall_distributed_system
@property
def os_installed(self):
return self.host.os_installed
@property
def roles(self):
# only the role exists in flavor roles will be returned.
# the role will be sorted as the order defined in flavor
# roles.
# duplicate role names will be removed.
# The returned value is a list of dict like
# [{'name': 'allinone', 'optional': False}]
role_names = list(self._roles)
if not role_names:
return []
cluster_roles = self.cluster.flavor['roles']
if not cluster_roles:
return []
roles = []
for cluster_role in cluster_roles:
if cluster_role['name'] in role_names:
roles.append(cluster_role)
return roles
@roles.setter
def roles(self, value):
"""value should be a list of role name."""
self._roles = list(value)
self.config_validated = False
@property
def patched_roles(self):
patched_role_names = list(self._patched_roles)
if not patched_role_names:
return []
cluster_roles = self.cluster.flavor['roles']
if not cluster_roles:
return []
roles = []
for cluster_role in cluster_roles:
if cluster_role['name'] in patched_role_names:
roles.append(cluster_role)
return roles
@patched_roles.setter
def patched_roles(self, value):
"""value should be a list of role name."""
# if value is an empty list, we empty the field
if value:
roles = list(self._roles)
roles.extend(value)
self._roles = roles
patched_roles = list(self._patched_roles)
patched_roles.extend(value)
self._patched_roles = patched_roles
self.config_validated = False
else:
self._patched_roles = list(value)
self.config_validated = False
@hybrid_property
def owner(self):
return self.cluster.owner
@owner.expression
def owner(cls):
return cls.cluster.owner
def state_dict(self):
"""Get clusterhost state dict.
The clusterhost state_dict is different from
clusterhost.state.to_dict. The main difference is state_dict
show the progress of both installing os on host and installing
distributed system on clusterhost. While clusterhost.state.to_dict
only shows the progress of installing distributed system on
clusterhost.
"""
cluster = self.cluster
host = self.host
host_state = host.state_dict()
if not cluster.flavor_name:
return host_state
clusterhost_state = self.state.to_dict()
if clusterhost_state['state'] in ['ERROR', 'SUCCESSFUL']:
return clusterhost_state
if (
clusterhost_state['state'] in 'INSTALLING' and
clusterhost_state['percentage'] > 0
):
clusterhost_state['percentage'] = min(
1.0, (
0.5 + clusterhost_state['percentage'] / 2
)
)
return clusterhost_state
host_state['percentage'] = host_state['percentage'] / 2
if host_state['state'] == 'SUCCESSFUL':
host_state['state'] = 'INSTALLING'
return host_state
def to_dict(self):
dict_info = self.host.to_dict()
dict_info.update(super(ClusterHost, self).to_dict())
state_dict = self.state_dict()
dict_info.update({
'distributed_system_installed': self.distributed_system_installed,
'reinstall_distributed_system': self.reinstall_distributed_system,
'owner': self.owner,
'clustername': self.clustername,
'name': self.name,
'state': state_dict['state']
})
dict_info['roles'] = self.roles
dict_info['patched_roles'] = self.patched_roles
return dict_info
class HostState(BASE, StateMixin):
"""Host state table."""
__tablename__ = 'host_state'
id = Column(
Integer,
ForeignKey('host.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True
)
def __str__(self):
return 'HostState[%s state %s percentage %s]' % (
self.id, self.state, self.percentage
)
def update(self):
"""Update host state.
When host state is updated, all clusterhosts on the
host will update their state if necessary.
"""
super(HostState, self).update()
host = self.host
if self.state == 'INSTALLING':
host.reinstall_os = False
for clusterhost in self.host.clusterhosts:
if clusterhost.state in [
'SUCCESSFUL', 'ERROR'
]:
clusterhost.state = 'INSTALLING'
clusterhost.state.update()
elif self.state == 'UNINITIALIZED':
for clusterhost in self.host.clusterhosts:
if clusterhost.state in [
'INITIALIZED', 'INSTALLING', 'SUCCESSFUL', 'ERROR'
]:
clusterhost.state = 'UNINITIALIZED'
clusterhost.state.update()
elif self.state == 'UPDATE_PREPARING':
for clusterhost in self.host.clusterhosts:
if clusterhost.state in [
'INITIALIZED', 'INSTALLING', 'SUCCESSFUL', 'ERROR'
]:
clusterhost.state = 'UPDATE_PREPARING'
clusterhost.state.update()
elif self.state == 'INITIALIZED':
for clusterhost in self.host.clusterhosts:
if clusterhost.state in [
'INSTALLING', 'SUCCESSFUL', 'ERROR'
]:
clusterhost.state = 'INITIALIZED'
clusterhost.state.update()
class Host(BASE, TimestampMixin, HelperMixin):
"""Host table."""
__tablename__ = 'host'
name = Column(String(80), unique=True, nullable=True)
config_step = Column(String(80), default='')
os_config = Column(JSONEncoded, default={})
config_validated = Column(Boolean, default=False)
deployed_os_config = Column(JSONEncoded, default={})
os_name = Column(String(80))
creator_id = Column(Integer, ForeignKey('user.id'))
owner = Column(String(80))
os_installer = Column(JSONEncoded, default={})
id = Column(
Integer,
ForeignKey('machine.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True
)
reinstall_os = Column(Boolean, default=True)
host_networks = relationship(
HostNetwork,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('host')
)
clusterhosts = relationship(
ClusterHost,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('host')
)
state = relationship(
HostState,
uselist=False,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('host')
)
log_histories = relationship(
HostLogHistory,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('host')
)
def __str__(self):
return 'Host[%s:%s]' % (self.id, self.name)
@hybrid_property
def mac(self):
machine = self.machine
if machine:
return machine.mac
else:
return None
@property
def os_id(self):
return self.os_name
@os_id.setter
def os_id(self, value):
self.os_name = value
@hybrid_property
def hostname(self):
return self.name
@hostname.expression
def hostname(cls):
return cls.name
@property
def patched_os_config(self):
return self.os_config
@patched_os_config.setter
def patched_os_config(self, value):
os_config = copy.deepcopy(self.os_config)
self.os_config = util.merge_dict(os_config, value)
logging.debug('patch host os config in %s: %s', self.id, value)
self.config_validated = False
@property
def put_os_config(self):
return self.os_config
@put_os_config.setter
def put_os_config(self, value):
os_config = copy.deepcopy(self.os_config)
os_config.update(value)
self.os_config = os_config
logging.debug('put host os config in %s: %s', self.id, value)
self.config_validated = False
def __init__(self, id, **kwargs):
self.id = id
self.state = HostState()
super(Host, self).__init__(**kwargs)
def update(self):
creator = self.creator
if creator:
self.owner = creator.email
if self.reinstall_os:
if self.state in ['SUCCESSFUL', 'ERROR']:
if self.config_validated:
self.state.state = 'INITIALIZED'
else:
self.state.state = 'UNINITIALIZED'
self.state.update()
self.state.update()
super(Host, self).update()
def validate(self):
# TODO(xicheng): some validation can be moved to the column in future.
super(Host, self).validate()
creator = self.creator
if not creator:
raise exception.InvalidParameter(
'creator is not set in host %s' % self.id
)
os_name = self.os_name
if not os_name:
raise exception.InvalidParameter(
'os is not set in host %s' % self.id
)
os_installer = self.os_installer
if not os_installer:
raise exception.Invalidparameter(
'os_installer is not set in host %s' % self.id
)
@property
def os_installed(self):
return self.state.state == 'SUCCESSFUL'
@property
def clusters(self):
return [clusterhost.cluster for clusterhost in self.clusterhosts]
def state_dict(self):
return self.state.to_dict()
def to_dict(self):
"""Host dict contains its underlying machine dict."""
dict_info = self.machine.to_dict()
dict_info.update(super(Host, self).to_dict())
state_dict = self.state_dict()
ip = None
for host_network in self.host_networks:
if host_network.is_mgmt:
ip = host_network.ip
dict_info.update({
'machine_id': self.machine.id,
'os_installed': self.os_installed,
'hostname': self.hostname,
'ip': ip,
'networks': [
host_network.to_dict()
for host_network in self.host_networks
],
'os_id': self.os_id,
'clusters': [cluster.to_dict() for cluster in self.clusters],
'state': state_dict['state']
})
return dict_info
class ClusterState(BASE, StateMixin):
"""Cluster state table."""
__tablename__ = 'cluster_state'
id = Column(
Integer,
ForeignKey('cluster.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True
)
total_hosts = Column(
Integer,
default=0
)
installing_hosts = Column(
Integer,
default=0
)
completed_hosts = Column(
Integer,
default=0
)
failed_hosts = Column(
Integer,
default=0
)
def __init__(self, **kwargs):
super(ClusterState, self).__init__(**kwargs)
def __str__(self):
return 'ClusterState[%s state %s percentage %s]' % (
self.id, self.state, self.percentage
)
def to_dict(self):
dict_info = super(ClusterState, self).to_dict()
dict_info['status'] = {
'total_hosts': self.total_hosts,
'installing_hosts': self.installing_hosts,
'completed_hosts': self.completed_hosts,
'failed_hosts': self.failed_hosts
}
return dict_info
def update(self):
# all fields of cluster state should be calculated by
# its each underlying clusterhost state.
cluster = self.cluster
clusterhosts = cluster.clusterhosts
self.total_hosts = len(clusterhosts)
self.installing_hosts = 0
self.failed_hosts = 0
self.completed_hosts = 0
if not cluster.flavor_name:
for clusterhost in clusterhosts:
host = clusterhost.host
host_state = host.state.state
if host_state == 'INSTALLING':
self.installing_hosts += 1
elif host_state == 'ERROR':
self.failed_hosts += 1
elif host_state == 'SUCCESSFUL':
self.completed_hosts += 1
else:
for clusterhost in clusterhosts:
clusterhost_state = clusterhost.state.state
if clusterhost_state == 'INSTALLING':
self.installing_hosts += 1
elif clusterhost_state == 'ERROR':
self.failed_hosts += 1
elif clusterhost_state == 'SUCCESSFUL':
self.completed_hosts += 1
if self.total_hosts:
if self.completed_hosts == self.total_hosts:
self.percentage = 1.0
else:
self.percentage = (
float(self.completed_hosts)
/
float(self.total_hosts)
)
if self.state == 'SUCCESSFUL':
self.state = 'INSTALLING'
self.ready = False
self.message = (
'total %s, installing %s, completed: %s, error %s'
) % (
self.total_hosts, self.installing_hosts,
self.completed_hosts, self.failed_hosts
)
if self.failed_hosts:
self.severity = 'ERROR'
super(ClusterState, self).update()
if self.state == 'INSTALLING':
cluster.reinstall_distributed_system = False
class Cluster(BASE, TimestampMixin, HelperMixin):
"""Cluster table."""
__tablename__ = 'cluster'
id = Column(Integer, primary_key=True)
name = Column(String(80), unique=True, nullable=False)
reinstall_distributed_system = Column(Boolean, default=True)
config_step = Column(String(80), default='')
os_name = Column(String(80))
flavor_name = Column(String(80), nullable=True)
# flavor dict got from flavor id.
flavor = Column(JSONEncoded, default={})
os_config = Column(JSONEncoded, default={})
package_config = Column(JSONEncoded, default={})
deployed_os_config = Column(JSONEncoded, default={})
deployed_package_config = Column(JSONEncoded, default={})
config_validated = Column(Boolean, default=False)
adapter_name = Column(String(80))
creator_id = Column(Integer, ForeignKey('user.id'))
owner = Column(String(80))
clusterhosts = relationship(
ClusterHost,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('cluster')
)
state = relationship(
ClusterState,
uselist=False,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('cluster')
)
def __init__(self, name, **kwargs):
self.name = name
self.state = ClusterState()
super(Cluster, self).__init__(**kwargs)
def __str__(self):
return 'Cluster[%s:%s]' % (self.id, self.name)
def update(self):
creator = self.creator
if creator:
self.owner = creator.email
if self.reinstall_distributed_system:
if self.state in ['SUCCESSFUL', 'ERROR']:
if self.config_validated:
self.state.state = 'INITIALIZED'
else:
self.state.state = 'UNINITIALIZED'
self.state.update()
self.state.update()
super(Cluster, self).update()
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(Cluster, self).validate()
creator = self.creator
if not creator:
raise exception.InvalidParameter(
'creator is not set in cluster %s' % self.id
)
os_name = self.os_name
if not os_name:
raise exception.InvalidParameter(
'os is not set in cluster %s' % self.id
)
adapter_name = self.adapter_name
if not adapter_name:
raise exception.InvalidParameter(
'adapter is not set in cluster %s' % self.id
)
flavor_name = self.flavor_name
if flavor_name:
if 'name' not in self.flavor:
raise exception.InvalidParameter(
'key name does not exist in flavor %s' % (
self.flavor
)
)
if flavor_name != self.flavor['name']:
raise exception.InvalidParameter(
'flavor name %s is not match '
'the name key in flavor %s' % (
flavor_name, self.flavor
)
)
else:
if self.flavor:
raise exception.InvalidParameter(
'flavor %s is not empty' % self.flavor
)
@property
def os_id(self):
return self.os_name
@os_id.setter
def os_id(self, value):
self.os_name = value
@property
def adapter_id(self):
return self.adapter_name
@adapter_id.setter
def adapter_id(self, value):
self.adapter_name = value
@property
def flavor_id(self):
if self.flavor_name:
return '%s:%s' % (self.adapter_name, self.flavor_name)
else:
return None
@flavor_id.setter
def flavor_id(self, value):
if value:
_, flavor_name = value.split(':', 1)
self.flavor_name = flavor_name
else:
self.flavor_name = value
@property
def patched_os_config(self):
return self.os_config
@patched_os_config.setter
def patched_os_config(self, value):
os_config = copy.deepcopy(self.os_config)
self.os_config = util.merge_dict(os_config, value)
logging.debug('patch cluster %s os config: %s', self.id, value)
self.config_validated = False
@property
def put_os_config(self):
return self.os_config
@put_os_config.setter
def put_os_config(self, value):
os_config = copy.deepcopy(self.os_config)
os_config.update(value)
self.os_config = os_config
logging.debug('put cluster %s os config: %s', self.id, value)
self.config_validated = False
@property
def patched_package_config(self):
return self.package_config
@patched_package_config.setter
def patched_package_config(self, value):
package_config = copy.deepcopy(self.package_config)
self.package_config = util.merge_dict(package_config, value)
logging.debug('patch cluster %s package config: %s', self.id, value)
self.config_validated = False
@property
def put_package_config(self):
return self.package_config
@put_package_config.setter
def put_package_config(self, value):
package_config = dict(self.package_config)
package_config.update(value)
self.package_config = package_config
logging.debug('put cluster %s package config: %s', self.id, value)
self.config_validated = False
@property
def distributed_system_installed(self):
return self.state.state == 'SUCCESSFUL'
def state_dict(self):
return self.state.to_dict()
def to_dict(self):
dict_info = super(Cluster, self).to_dict()
dict_info['distributed_system_installed'] = (
self.distributed_system_installed
)
dict_info['os_id'] = self.os_id
dict_info['adapter_id'] = self.adapter_id
dict_info['flavor_id'] = self.flavor_id
return dict_info
# User, Permission relation table
class UserPermission(BASE, HelperMixin, TimestampMixin):
"""User permission table."""
__tablename__ = 'user_permission'
id = Column(Integer, primary_key=True)
user_id = Column(
Integer,
ForeignKey('user.id', onupdate='CASCADE', ondelete='CASCADE')
)
permission_id = Column(
Integer,
ForeignKey('permission.id', onupdate='CASCADE', ondelete='CASCADE')
)
__table_args__ = (
UniqueConstraint('user_id', 'permission_id', name='constraint'),
)
def __init__(self, user_id, permission_id, **kwargs):
self.user_id = user_id
self.permission_id = permission_id
def __str__(self):
return 'UserPermission[%s:%s]' % (self.id, self.name)
@hybrid_property
def name(self):
return self.permission.name
def to_dict(self):
dict_info = self.permission.to_dict()
dict_info.update(super(UserPermission, self).to_dict())
return dict_info
class Permission(BASE, HelperMixin, TimestampMixin):
"""Permission table."""
__tablename__ = 'permission'
id = Column(Integer, primary_key=True)
name = Column(String(80), unique=True, nullable=False)
alias = Column(String(100))
description = Column(Text)
user_permissions = relationship(
UserPermission,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('permission')
)
def __init__(self, name, **kwargs):
self.name = name
super(Permission, self).__init__(**kwargs)
def __str__(self):
return 'Permission[%s:%s]' % (self.id, self.name)
class UserToken(BASE, HelperMixin):
"""user token table."""
__tablename__ = 'user_token'
id = Column(Integer, primary_key=True)
user_id = Column(
Integer,
ForeignKey('user.id', onupdate='CASCADE', ondelete='CASCADE')
)
token = Column(String(256), unique=True, nullable=False)
expire_timestamp = Column(DateTime, nullable=True)
def __init__(self, token, **kwargs):
self.token = token
super(UserToken, self).__init__(**kwargs)
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(UserToken, self).validate()
if not self.user:
raise exception.InvalidParameter(
'user is not set in token: %s' % self.token
)
class UserLog(BASE, HelperMixin):
"""User log table."""
__tablename__ = 'user_log'
id = Column(Integer, primary_key=True)
user_id = Column(
Integer,
ForeignKey('user.id', onupdate='CASCADE', ondelete='CASCADE')
)
action = Column(Text)
timestamp = Column(DateTime, default=lambda: datetime.datetime.now())
@hybrid_property
def user_email(self):
return self.user.email
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(UserLog, self).validate()
if not self.user:
raise exception.InvalidParameter(
'user is not set in user log: %s' % self.id
)
class User(BASE, HelperMixin, TimestampMixin):
"""User table."""
__tablename__ = 'user'
id = Column(Integer, primary_key=True)
email = Column(String(80), unique=True, nullable=False)
crypted_password = Column('password', String(225))
firstname = Column(String(80))
lastname = Column(String(80))
is_admin = Column(Boolean, default=False)
active = Column(Boolean, default=True)
user_permissions = relationship(
UserPermission,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('user')
)
user_logs = relationship(
UserLog,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('user')
)
user_tokens = relationship(
UserToken,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('user')
)
clusters = relationship(
Cluster,
backref=backref('creator')
)
hosts = relationship(
Host,
backref=backref('creator')
)
def __init__(self, email, **kwargs):
self.email = email
super(User, self).__init__(**kwargs)
def __str__(self):
return 'User[%s]' % self.email
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(User, self).validate()
if not self.crypted_password:
raise exception.InvalidParameter(
'password is not set in user : %s' % self.email
)
@property
def password(self):
return '***********'
@password.setter
def password(self, password):
# password stored in database is crypted.
self.crypted_password = util.encrypt(password)
@hybrid_property
def permissions(self):
permissions = []
for user_permission in self.user_permissions:
permissions.append(user_permission.permission)
return permissions
def to_dict(self):
dict_info = super(User, self).to_dict()
dict_info['permissions'] = [
permission.to_dict()
for permission in self.permissions
]
return dict_info
class SwitchMachine(BASE, HelperMixin, TimestampMixin):
"""Switch Machine table."""
__tablename__ = 'switch_machine'
switch_machine_id = Column(
'id', Integer, primary_key=True
)
switch_id = Column(
Integer,
ForeignKey('switch.id', onupdate='CASCADE', ondelete='CASCADE')
)
machine_id = Column(
Integer,
ForeignKey('machine.id', onupdate='CASCADE', ondelete='CASCADE')
)
port = Column(String(80), nullable=True)
vlans = Column(JSONEncoded, default=[])
__table_args__ = (
UniqueConstraint('switch_id', 'machine_id', name='constraint'),
)
def __init__(self, switch_id, machine_id, **kwargs):
self.switch_id = switch_id
self.machine_id = machine_id
super(SwitchMachine, self).__init__(**kwargs)
def __str__(self):
return 'SwitchMachine[%s port %s]' % (
self.switch_machine_id, self.port
)
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(SwitchMachine, self).validate()
if not self.switch:
raise exception.InvalidParameter(
'switch is not set in %s' % self.id
)
if not self.machine:
raise exception.Invalidparameter(
'machine is not set in %s' % self.id
)
if not self.port:
raise exception.InvalidParameter(
'port is not set in %s' % self.id
)
@hybrid_property
def mac(self):
return self.machine.mac
@hybrid_property
def tag(self):
return self.machine.tag
@property
def switch_ip(self):
return self.switch.ip
@hybrid_property
def switch_ip_int(self):
return self.switch.ip_int
@switch_ip_int.expression
def switch_ip_int(cls):
return Switch.ip_int
@hybrid_property
def switch_vendor(self):
return self.switch.vendor
@switch_vendor.expression
def switch_vendor(cls):
return Switch.vendor
@property
def patched_vlans(self):
return self.vlans
@patched_vlans.setter
def patched_vlans(self, value):
if not value:
return
vlans = list(self.vlans)
for item in value:
if item not in vlans:
vlans.append(item)
self.vlans = vlans
@property
def filtered(self):
"""Check if switch machine should be filtered.
port should be composed with <port_prefix><port_number><port_suffix>
For each filter in switch machine filters,
if filter_type is allow and port match the pattern, the switch
machine is allowed to be got by api. If filter_type is deny and
port match the pattern, the switch machine is not allowed to be got
by api.
If not filter is matched, if the last filter is allow, deny all
unmatched switch machines, if the last filter is deny, allow all
unmatched switch machines.
If no filter defined, allow all switch machines.
if ports defined in filter and 'all' in ports, the switch machine is
matched. if ports defined in filter and 'all' not in ports,
the switch machine with the port name in ports will be matched.
If the port pattern matches
<<port_prefix><port_number><port_suffix> and port number is in the
range of [port_start, port_end], the switch machine is matched.
"""
filters = self.switch.machine_filters
port = self.port
unmatched_allowed = True
ports_pattern = re.compile(r'(\D*)(\d+)-(\d+)(\D*)')
port_pattern = re.compile(r'(\D*)(\d+)(\D*)')
port_match = port_pattern.match(port)
if port_match:
port_prefix = port_match.group(1)
port_number = int(port_match.group(2))
port_suffix = port_match.group(3)
else:
port_prefix = ''
port_number = 0
port_suffix = ''
for port_filter in filters:
filter_type = port_filter.get('filter_type', 'allow')
denied = filter_type != 'allow'
unmatched_allowed = denied
if 'ports' in port_filter:
if 'all' in port_filter['ports']:
return denied
if port in port_filter['ports']:
return denied
if port_match:
for port_or_ports in port_filter['ports']:
ports_match = ports_pattern.match(port_or_ports)
if ports_match:
filter_port_prefix = ports_match.group(1)
filter_port_start = int(ports_match.group(2))
filter_port_end = int(ports_match.group(3))
filter_port_suffix = ports_match.group(4)
if (
filter_port_prefix == port_prefix and
filter_port_suffix == port_suffix and
filter_port_start <= port_number and
port_number <= filter_port_end
):
return denied
else:
filter_port_prefix = port_filter.get('port_prefix', '')
filter_port_suffix = port_filter.get('port_suffix', '')
if (
port_match and
port_prefix == filter_port_prefix and
port_suffix == filter_port_suffix
):
if (
'port_start' not in port_filter or
port_number >= port_filter['port_start']
) and (
'port_end' not in port_filter or
port_number <= port_filter['port_end']
):
return denied
return not unmatched_allowed
def to_dict(self):
dict_info = self.machine.to_dict()
dict_info.update(super(SwitchMachine, self).to_dict())
dict_info['switch_ip'] = self.switch.ip
return dict_info
class Machine(BASE, HelperMixin, TimestampMixin):
"""Machine table."""
__tablename__ = 'machine'
id = Column(Integer, primary_key=True)
mac = Column(String(24), unique=True, nullable=False)
ipmi_credentials = Column(JSONEncoded, default={})
tag = Column(JSONEncoded, default={})
location = Column(JSONEncoded, default={})
owner_id = Column(Integer, ForeignKey('user.id'))
machine_attributes = Column(JSONEncoded, default={})
switch_machines = relationship(
SwitchMachine,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('machine')
)
host = relationship(
Host,
uselist=False,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('machine')
)
def __init__(self, mac, **kwargs):
self.mac = mac
super(Machine, self).__init__(**kwargs)
def __str__(self):
return 'Machine[%s:%s]' % (self.id, self.mac)
def validate(self):
# TODO(xicheng): some validation can be moved to column.
super(Machine, self).validate()
try:
netaddr.EUI(self.mac)
except Exception:
raise exception.InvalidParameter(
'mac address %s format uncorrect' % self.mac
)
@property
def patched_ipmi_credentials(self):
return self.ipmi_credentials
@patched_ipmi_credentials.setter
def patched_ipmi_credentials(self, value):
if not value:
return
ipmi_credentials = copy.deepcopy(self.ipmi_credentials)
self.ipmi_credentials = util.merge_dict(ipmi_credentials, value)
@property
def patched_tag(self):
return self.tag
@patched_tag.setter
def patched_tag(self, value):
if not value:
return
tag = copy.deepcopy(self.tag)
tag.update(value)
self.tag = value
@property
def patched_location(self):
return self.location
@patched_location.setter
def patched_location(self, value):
if not value:
return
location = copy.deepcopy(self.location)
location.update(value)
self.location = location
def to_dict(self):
# TODO(xicheng): move the filling of switches
# to db/api.
dict_info = {}
dict_info['switches'] = [
{
'switch_ip': switch_machine.switch_ip,
'port': switch_machine.port,
'vlans': switch_machine.vlans
}
for switch_machine in self.switch_machines
if not switch_machine.filtered
]
if dict_info['switches']:
dict_info.update(dict_info['switches'][0])
dict_info.update(super(Machine, self).to_dict())
return dict_info
class Switch(BASE, HelperMixin, TimestampMixin):
"""Switch table."""
__tablename__ = 'switch'
id = Column(Integer, primary_key=True)
ip_int = Column('ip', BigInteger, unique=True, nullable=False)
credentials = Column(JSONEncoded, default={})
vendor = Column(String(256), nullable=True)
state = Column(Enum('initialized', 'unreachable', 'notsupported',
'repolling', 'error', 'under_monitoring',
name='switch_state'),
ColumnDefault('initialized'))
# filters is json formatted list, each element has following format:
# keys: ['filter_type', 'ports', 'port_prefix', 'port_suffix',
# 'port_start', 'port_end'].
# each port name is divided into <port_prefix><port_number><port_suffix>
# filter_type is one of ['allow', 'deny'], default is 'allow'
# ports is a list of port name.
# port_prefix is the prefix that filtered port should start with.
# port_suffix is the suffix that filtered posrt should end with.
# port_start is integer that the port number should start with.
# port_end is the integer that the port number should end with.
_filters = Column('filters', JSONEncoded, default=[])
switch_machines = relationship(
SwitchMachine,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('switch')
)
def __str__(self):
return 'Switch[%s:%s]' % (self.id, self.ip)
@classmethod
def parse_filters(cls, filters):
"""parse filters set from outside to standard format.
api can set switch filters with the flexible format, this
function will parse the flexible format filters.
Supported format:
as string:
allow ports ae10,ae20
allow port_prefix ae port_start 30 port_end 40
deny ports all
as python object:
[{
'filter_type': 'allow',
'ports': ['ae10', 'ae20']
},{
'filter_type': 'allow',
'port_prefix': 'ae',
'port_suffix': '',
'port_start': 30,
'port_end': 40
},{
'filter_type': 'deny',
'ports': ['all']
}]
"""
if isinstance(filters, basestring):
filters = filters.replace('\r\n', '\n').replace('\n', ';')
filters = [
machine_filter for machine_filter in filters.split(';')
if machine_filter
]
if not isinstance(filters, list):
filters = [filters]
machine_filters = []
for machine_filter in filters:
if not machine_filter:
continue
if isinstance(machine_filter, basestring):
filter_dict = {}
filter_items = [
item for item in machine_filter.split() if item
]
if filter_items[0] in ['allow', 'deny']:
filter_dict['filter_type'] = filter_items[0]
filter_items = filter_items[1:]
elif filter_items[0] not in [
'ports', 'port_prefix', 'port_suffix',
'port_start', 'port_end'
]:
raise exception.InvalidParameter(
'unrecognized filter type %s' % filter_items[0]
)
while filter_items:
if len(filter_items) >= 2:
filter_dict[filter_items[0]] = filter_items[1]
filter_items = filter_items[2:]
else:
filter_dict[filter_items[0]] = ''
filter_items = filter_items[1:]
machine_filter = filter_dict
if not isinstance(machine_filter, dict):
raise exception.InvalidParameter(
'filter %s is not dict' % machine_filter
)
if 'filter_type' in machine_filter:
if machine_filter['filter_type'] not in ['allow', 'deny']:
raise exception.InvalidParameter(
'filter_type should be `allow` or `deny` in %s' % (
machine_filter
)
)
if 'ports' in machine_filter:
if isinstance(machine_filter['ports'], basestring):
machine_filter['ports'] = [
port_or_ports
for port_or_ports in machine_filter['ports'].split(',')
if port_or_ports
]
if not isinstance(machine_filter['ports'], list):
raise exception.InvalidParameter(
'`ports` type is not list in filter %s' % (
machine_filter
)
)
for port_or_ports in machine_filter['ports']:
if not isinstance(port_or_ports, basestring):
raise exception.InvalidParameter(
'%s type is not basestring in `ports` %s' % (
port_or_ports, machine_filter['ports']
)
)
for key in ['port_start', 'port_end']:
if key in machine_filter:
if isinstance(machine_filter[key], basestring):
if machine_filter[key].isdigit():
machine_filter[key] = int(machine_filter[key])
if not isinstance(machine_filter[key], (int, long)):
raise exception.InvalidParameter(
'`%s` type is not int in filer %s' % (
key, machine_filter
)
)
machine_filters.append(machine_filter)
return machine_filters
@classmethod
def format_filters(cls, filters):
"""format json formatted filters to string."""
filter_strs = []
for machine_filter in filters:
filter_properties = []
filter_properties.append(
machine_filter.get('filter_type', 'allow')
)
if 'ports' in machine_filter:
filter_properties.append(
'ports ' + ','.join(machine_filter['ports'])
)
if 'port_prefix' in machine_filter:
filter_properties.append(
'port_prefix ' + machine_filter['port_prefix']
)
if 'port_suffix' in machine_filter:
filter_properties.append(
'port_suffix ' + machine_filter['port_suffix']
)
if 'port_start' in machine_filter:
filter_properties.append(
'port_start ' + str(machine_filter['port_start'])
)
if 'port_end' in machine_filter:
filter_properties.append(
'port_end ' + str(machine_filter['port_end'])
)
filter_strs.append(' '.join(filter_properties))
return ';'.join(filter_strs)
def __init__(self, ip_int, **kwargs):
self.ip_int = ip_int
super(Switch, self).__init__(**kwargs)
@property
def ip(self):
return str(netaddr.IPAddress(self.ip_int))
@ip.setter
def ip(self, ipaddr):
self.ip_int = int(netaddr.IPAddress(ipaddr))
@property
def patched_credentials(self):
return self.credentials
@patched_credentials.setter
def patched_credentials(self, value):
if not value:
return
credentials = copy.deepcopy(self.credentials)
self.credentials = util.merge_dict(credentials, value)
@property
def machine_filters(self):
return self._filters
@machine_filters.setter
def machine_filters(self, value):
if not value:
return
self._filters = self.parse_filters(value)
@property
def put_machine_filters(self):
return self._filters
@put_machine_filters.setter
def put_machine_filters(self, value):
if not value:
return
self._filters = self.parse_filters(value)
@property
def patched_machine_filters(self):
return self._filters
@patched_machine_filters.setter
def patched_machine_filters(self, value):
if not value:
return
filters = list(self.machine_filters)
self._filters = self.parse_filters(value) + filters
def to_dict(self):
dict_info = super(Switch, self).to_dict()
dict_info['ip'] = self.ip
dict_info['filters'] = self.format_filters(self._filters)
return dict_info
class Subnet(BASE, TimestampMixin, HelperMixin):
"""network table."""
__tablename__ = 'subnet'
id = Column(Integer, primary_key=True)
name = Column(String(80), unique=True, nullable=True)
subnet = Column(String(80), unique=True, nullable=False)
host_networks = relationship(
HostNetwork,
passive_deletes=True, passive_updates=True,
cascade='all, delete-orphan',
backref=backref('subnet')
)
def __init__(self, subnet, **kwargs):
self.subnet = subnet
super(Subnet, self).__init__(**kwargs)
def __str__(self):
return 'Subnet[%s:%s]' % (self.id, self.subnet)
def to_dict(self):
dict_info = super(Subnet, self).to_dict()
if not self.name:
dict_info['name'] = self.subnet
return dict_info
# TODO(grace): move this global variable into HealthCheckReport.
HEALTH_REPORT_STATES = ('verifying', 'success', 'finished', 'error')
class HealthCheckReport(BASE, HelperMixin):
"""Health check report table."""
__tablename__ = 'health_check_report'
cluster_id = Column(
Integer,
ForeignKey('cluster.id', onupdate='CASCADE', ondelete='CASCADE'),
primary_key=True
)
name = Column(String(80), nullable=False, primary_key=True)
display_name = Column(String(100))
report = Column(JSONEncoded, default={})
category = Column(String(80), default='')
state = Column(
Enum(*HEALTH_REPORT_STATES, name='report_state'),
ColumnDefault('verifying'),
nullable=False
)
error_message = Column(Text, default='')
def __init__(self, cluster_id, name, **kwargs):
self.cluster_id = cluster_id
self.name = name
if 'state' in kwargs and kwargs['state'] not in HEALTH_REPORT_STATES:
err_msg = 'State value %s is not accepted.' % kwargs['state']
raise exception.InvalidParameter(err_msg)
super(HealthCheckReport, self).__init__(**kwargs)
def __str__(self):
return 'HealthCheckReport[cluster_id: %s, name: %s]' % (
self.cluster_id, self.name
)