solar/examples/riak/riaks.py
2015-10-05 12:58:59 +03:00

265 lines
8.9 KiB
Python
Executable File

#!/usr/bin/env python
# To run:
# python example-riaks.py deploy
# solar changes stage
# solar changes process
# solar orch run-once last
# python example-riaks.py add_haproxies
# solar changes stage
# solar changes process
# solar orch run-once last
import click
import sys
from solar.core import resource
from solar.core import signals
from solar.core import validation
from solar.core.resource import virtual_resource as vr
from solar import errors
from solar.interfaces.db import get_db
from solar.events.controls import React, Dep
from solar.events.api import add_event
db = get_db()
def setup_riak():
db.clear()
resources = vr.create('nodes', 'templates/nodes.yaml', {'count': 3})
nodes = [x for x in resources if x.name.startswith('node')]
node1, node2, node3 = nodes
riak_services = []
ips = '10.0.0.%d'
for i in xrange(3):
num = i + 1
r = vr.create('riak_service%d' % num,
'resources/riak_node',
{'riak_self_name': 'riak%d' % num,
'riak_hostname': 'riak_server%d.solar' % num,
'riak_name': 'riak%d@riak_server%d.solar' % (num, num)})[0]
riak_services.append(r)
for i, riak in enumerate(riak_services):
nodes[i].connect(riak)
for i, riak in enumerate(riak_services[1:]):
riak_services[0].connect(riak, {'riak_name': 'join_to'})
hosts_services = []
for i, riak in enumerate(riak_services):
num = i + 1
hosts_file = vr.create('hosts_file%d' % num,
'resources/hosts_file', {})[0]
hosts_services.append(hosts_file)
nodes[i].connect(hosts_file)
for riak in riak_services:
for hosts_file in hosts_services:
riak.connect_with_events(hosts_file,
{'riak_hostname': 'hosts:name',
'ip': 'hosts:ip'})
errors = resource.validate_resources()
for r, error in errors:
click.echo('ERROR: %s: %s' % (r.name, error))
has_errors = False
if errors:
click.echo("ERRORS")
sys.exit(1)
events = [
Dep('hosts_file1', 'run', 'success', 'riak_service1', 'run'),
Dep('hosts_file2', 'run', 'success', 'riak_service2', 'run'),
Dep('hosts_file3', 'run', 'success', 'riak_service3', 'run'),
React('riak_service2', 'run', 'success', 'riak_service2', 'join'),
React('riak_service3', 'run', 'success', 'riak_service3', 'join'),
# Dep('riak_service1', 'run', 'success', 'riak_service2', 'join'),
# Dep('riak_service1', 'run', 'success', 'riak_service3', 'join'),
# React('riak_service2', 'join', 'error', 'riak_service2', 'leave'),
# React('riak_service3', 'join', 'error', 'riak_service3', 'leave'),
React('riak_service2', 'leave', 'success', 'riak_service2', 'join'),
React('riak_service3', 'leave', 'success', 'riak_service3', 'join'),
# React('riak_service2', 'leave', 'success', 'riak_service1', 'commit_leave'),
# React('riak_service3', 'leave', 'success', 'riak_service1', 'commit_leave'),
# Dep('riak_service1', 'commit_leave', 'success', 'riak_service2', 'join'),
# Dep('riak_service1', 'commit_leave', 'success', 'riak_service3', 'join'),
React('riak_service3', 'join', 'success', 'riak_service1', 'commit'),
React('riak_service2', 'join', 'success', 'riak_service1', 'commit')
]
for event in events:
add_event(event)
click.echo('Use solar changes process & orch')
sys.exit(0)
def setup_haproxies():
hps = []
hpc = []
hpsc_http = []
hpsc_pb = []
for i in xrange(3):
num = i + 1
hps.append(vr.create('haproxy_service%d' % num,
'resources/haproxy_service',
{})[0])
hpc.append(vr.create('haproxy_config%d' % num,
'resources/haproxy_config',
{})[0])
hpsc_http.append(vr.create('haproxy_service_config_http%d' % num,
'resources/haproxy_service_config',
{'listen_port': 8098,
'protocol': 'http',
'name': 'riak_haproxy_http%d' % num})[0])
hpsc_pb.append(vr.create('haproxy_service_config_pb%d' % num,
'resources/haproxy_service_config',
{'listen_port': 8087,
'protocol': 'tcp',
'name': 'riak_haproxy_pb%d' % num})[0])
riak1 = resource.load('riak_service1')
riak2 = resource.load('riak_service2')
riak3 = resource.load('riak_service3')
riaks = [riak1, riak2, riak3]
for single_hpsc in hpsc_http:
for riak in riaks:
riak.connect(single_hpsc, {
'riak_hostname': 'backends:server',
'riak_port_http': 'backends:port'})
for single_hpsc in hpsc_pb:
for riak in riaks:
riak.connect(single_hpsc,
{'riak_hostname': 'backends:server',
'riak_port_pb': 'backends:port'})
# haproxy config to haproxy service
for single_hpc, single_hpsc in zip(hpc, hpsc_http):
single_hpsc.connect(single_hpc, {"backends": "config:backends",
"listen_port": "config:listen_port",
"protocol": "config:protocol",
"name": "config:name"})
for single_hpc, single_hpsc in zip(hpc, hpsc_pb):
single_hpsc.connect(single_hpc, {"backends": "config:backends",
"listen_port": "config:listen_port",
"protocol": "config:protocol",
"name": "config:name"})
# assign haproxy services to each node
node1 = resource.load('node1')
node2 = resource.load('node2')
node3 = resource.load('node3')
nodes = [node1, node2, node3]
for single_node, single_hps in zip(nodes, hps):
single_node.connect(single_hps)
for single_node, single_hpc in zip(nodes, hpc):
single_node.connect(single_hpc)
has_errors = False
for r in locals().values():
# TODO: handle list
if not isinstance(r, resource.Resource):
continue
# print 'Validating {}'.format(r.name)
local_errors = validation.validate_resource(r)
if local_errors:
has_errors = True
print 'ERROR: %s: %s' % (r.name, local_errors)
if has_errors:
print "ERRORS"
sys.exit(1)
events = []
for node, single_hps, single_hpc in zip(nodes, hps, hpc):
# r = React(node.name, 'run', 'success', single_hps.name, 'install')
d = Dep(single_hps.name, 'run', 'success', single_hpc.name, 'run')
e1 = React(single_hpc.name, 'run', 'success', single_hps.name, 'apply_config')
e2 = React(single_hpc.name, 'update', 'success', single_hps.name, 'apply_config')
# events.extend([r, d, e1, e2])
events.extend([d, e1, e2])
for event in events:
add_event(event)
@click.command()
@click.argument('i', type=int, required=True)
def add_solard(i):
solard_transport = vr.create('solard_transport%s' % i, 'resources/transport_solard',
{'solard_user': 'vagrant',
'solard_password': 'password'})[0]
transports = resource.load('transports%s' % i)
ssh_transport = resource.load('ssh_transport%s' % i)
transports_for_solard = vr.create('transports_for_solard%s' % i, 'resources/transports')[0]
# install solard with ssh
signals.connect(transports_for_solard, solard_transport, {})
signals.connect(ssh_transport, transports_for_solard, {'ssh_key': 'transports:key',
'ssh_user': 'transports:user',
'ssh_port': 'transports:port',
'name': 'transports:name'})
# add solard to transports on this node
signals.connect(solard_transport, transports, {'solard_user': 'transports:user',
'solard_port': 'transports:port',
'solard_password': 'transports:password',
'name': 'transports:name'})
@click.group()
def main():
pass
@click.command()
def deploy():
setup_riak()
@click.command()
def add_haproxies():
setup_haproxies()
@click.command()
def undeploy():
raise NotImplemented("Not yet")
main.add_command(deploy)
main.add_command(undeploy)
main.add_command(add_haproxies)
main.add_command(add_solard)
if __name__ == '__main__':
main()