charm-neutron-api/hooks/neutron_api_hooks.py
2014-10-29 22:30:36 -05:00

398 lines
12 KiB
Python
Executable File

#!/usr/bin/python
import sys
import uuid
from subprocess import check_call
from charmhelpers.core.hookenv import (
Hooks,
UnregisteredHookError,
config,
is_relation_made,
log,
ERROR,
relation_get,
relation_ids,
relation_set,
open_port,
unit_get,
)
from charmhelpers.core.host import (
restart_on_change,
)
from charmhelpers.fetch import (
apt_install,
apt_update,
filter_installed_packages,
)
from charmhelpers.contrib.openstack.utils import (
configure_installation_source,
openstack_upgrade_available,
sync_db_with_multi_ipv6_addresses
)
from charmhelpers.contrib.openstack.neutron import (
neutron_plugin_attribute,
)
from neutron_api_utils import (
NEUTRON_CONF,
api_port,
determine_packages,
determine_ports,
do_openstack_upgrade,
register_configs,
restart_map,
setup_ipv6
)
from neutron_api_context import (
get_l2population,
get_overlay_network_type,
)
from charmhelpers.contrib.hahelpers.cluster import (
get_hacluster_config,
)
from charmhelpers.payload.execd import execd_preinstall
from charmhelpers.contrib.openstack.ip import (
canonical_url,
PUBLIC, INTERNAL, ADMIN
)
from charmhelpers.contrib.network.ip import (
get_iface_for_address,
get_netmask_for_address,
get_address_in_network,
get_ipv6_addr,
is_ipv6
)
from charmhelpers.contrib.openstack.context import ADDRESS_TYPES
from charmhelpers.contrib.charmsupport.nrpe import NRPE
hooks = Hooks()
CONFIGS = register_configs()
def configure_https():
'''
Enables SSL API Apache config if appropriate and kicks identity-service
with any required api updates.
'''
# need to write all to ensure changes to the entire request pipeline
# propagate (c-api, haprxy, apache)
CONFIGS.write_all()
if 'https' in CONFIGS.complete_contexts():
cmd = ['a2ensite', 'openstack_https_frontend']
check_call(cmd)
else:
cmd = ['a2dissite', 'openstack_https_frontend']
check_call(cmd)
for rid in relation_ids('identity-service'):
identity_joined(rid=rid)
@hooks.hook()
def install():
execd_preinstall()
configure_installation_source(config('openstack-origin'))
apt_update()
apt_install(determine_packages(), fatal=True)
[open_port(port) for port in determine_ports()]
@hooks.hook('upgrade-charm')
@hooks.hook('config-changed')
@restart_on_change(restart_map(), stopstart=True)
def config_changed():
apt_install(filter_installed_packages(determine_packages()),
fatal=True)
if config('prefer-ipv6'):
setup_ipv6()
sync_db_with_multi_ipv6_addresses(config('database'),
config('database-user'))
global CONFIGS
if openstack_upgrade_available('neutron-server'):
do_openstack_upgrade(CONFIGS)
configure_https()
update_nrpe_config()
CONFIGS.write_all()
for r_id in relation_ids('neutron-api'):
neutron_api_relation_joined(rid=r_id)
for r_id in relation_ids('neutron-plugin-api'):
neutron_plugin_api_relation_joined(rid=r_id)
for r_id in relation_ids('amqp'):
amqp_joined(relation_id=r_id)
for r_id in relation_ids('identity-service'):
identity_joined(rid=r_id)
[cluster_joined(rid) for rid in relation_ids('cluster')]
@hooks.hook('amqp-relation-joined')
def amqp_joined(relation_id=None):
relation_set(relation_id=relation_id,
username=config('rabbit-user'), vhost=config('rabbit-vhost'))
@hooks.hook('amqp-relation-changed')
@hooks.hook('amqp-relation-departed')
@restart_on_change(restart_map())
def amqp_changed():
if 'amqp' not in CONFIGS.complete_contexts():
log('amqp relation incomplete. Peer not ready?')
return
CONFIGS.write(NEUTRON_CONF)
@hooks.hook('shared-db-relation-joined')
def db_joined():
if is_relation_made('pgsql-db'):
# error, postgresql is used
e = ('Attempting to associate a mysql database when there is already '
'associated a postgresql one')
log(e, level=ERROR)
raise Exception(e)
if config('prefer-ipv6'):
sync_db_with_multi_ipv6_addresses(config('database'),
config('database-user'))
else:
host = unit_get('private-address')
relation_set(database=config('database'),
username=config('database-user'),
hostname=host)
@hooks.hook('pgsql-db-relation-joined')
def pgsql_neutron_db_joined():
if is_relation_made('shared-db'):
# raise error
e = ('Attempting to associate a postgresql database'
' when there is already associated a mysql one')
log(e, level=ERROR)
raise Exception(e)
relation_set(database=config('database'))
@hooks.hook('shared-db-relation-changed')
@restart_on_change(restart_map())
def db_changed():
if 'shared-db' not in CONFIGS.complete_contexts():
log('shared-db relation incomplete. Peer not ready?')
return
CONFIGS.write_all()
@hooks.hook('pgsql-db-relation-changed')
@restart_on_change(restart_map())
def postgresql_neutron_db_changed():
plugin = config('neutron-plugin')
# DB config might have been moved to main neutron.conf in H?
CONFIGS.write(neutron_plugin_attribute(plugin, 'config'))
@hooks.hook('amqp-relation-broken',
'identity-service-relation-broken',
'shared-db-relation-broken',
'pgsql-db-relation-broken')
def relation_broken():
CONFIGS.write_all()
@hooks.hook('identity-service-relation-joined')
def identity_joined(rid=None, relation_trigger=False):
public_url = '{}:{}'.format(canonical_url(CONFIGS, PUBLIC),
api_port('neutron-server'))
admin_url = '{}:{}'.format(canonical_url(CONFIGS, ADMIN),
api_port('neutron-server'))
internal_url = '{}:{}'.format(canonical_url(CONFIGS, INTERNAL),
api_port('neutron-server')
)
rel_settings = {
'quantum_service': 'quantum',
'quantum_region': config('region'),
'quantum_public_url': public_url,
'quantum_admin_url': admin_url,
'quantum_internal_url': internal_url,
}
if relation_trigger:
rel_settings['relation_trigger'] = str(uuid.uuid4())
relation_set(relation_id=rid, relation_settings=rel_settings)
@hooks.hook('identity-service-relation-changed')
@restart_on_change(restart_map())
def identity_changed():
if 'identity-service' not in CONFIGS.complete_contexts():
log('identity-service relation incomplete. Peer not ready?')
return
CONFIGS.write(NEUTRON_CONF)
for r_id in relation_ids('neutron-api'):
neutron_api_relation_joined(rid=r_id)
configure_https()
@hooks.hook('neutron-api-relation-joined')
def neutron_api_relation_joined(rid=None):
base_url = canonical_url(CONFIGS, INTERNAL)
neutron_url = '%s:%s' % (base_url, api_port('neutron-server'))
relation_data = {
'neutron-url': neutron_url,
'neutron-plugin': config('neutron-plugin'),
}
if config('neutron-security-groups'):
relation_data['neutron-security-groups'] = "yes"
else:
relation_data['neutron-security-groups'] = "no"
relation_set(relation_id=rid, **relation_data)
# Nova-cc may have grabbed the quantum endpoint so kick identity-service
# relation to register that its here
for r_id in relation_ids('identity-service'):
identity_joined(rid=r_id, relation_trigger=True)
@hooks.hook('neutron-api-relation-changed')
@restart_on_change(restart_map())
def neutron_api_relation_changed():
CONFIGS.write(NEUTRON_CONF)
@hooks.hook('neutron-plugin-api-relation-joined')
def neutron_plugin_api_relation_joined(rid=None):
if config('neutron-plugin') == 'nsx':
relation_data = {
'nsx-username': config('nsx-username'),
'nsx-password': config('nsx-password'),
'nsx-cluster-name': config('nsx-cluster-name'),
'nsx-tz-uuid': config('nsx-tz-uuid'),
'nsx-l3-uuid': config('nsx-l3-uuid'),
'nsx-controllers': config('nsx-controllers'),
}
else:
relation_data = {
'neutron-security-groups': config('neutron-security-groups'),
'l2-population': get_l2population(),
'overlay-network-type': get_overlay_network_type(),
}
relation_set(relation_id=rid, **relation_data)
@hooks.hook('cluster-relation-joined')
def cluster_joined(relation_id=None):
for addr_type in ADDRESS_TYPES:
address = get_address_in_network(
config('os-{}-network'.format(addr_type))
)
if address:
relation_set(
relation_id=relation_id,
relation_settings={'{}-address'.format(addr_type): address}
)
if config('prefer-ipv6'):
private_addr = get_ipv6_addr(exc_list=[config('vip')])[0]
relation_set(relation_id=relation_id,
relation_settings={'private-address': private_addr})
@hooks.hook('cluster-relation-changed',
'cluster-relation-departed')
@restart_on_change(restart_map(), stopstart=True)
def cluster_changed():
CONFIGS.write_all()
@hooks.hook('ha-relation-joined')
def ha_joined():
cluster_config = get_hacluster_config()
resources = {
'res_neutron_haproxy': 'lsb:haproxy',
}
resource_params = {
'res_neutron_haproxy': 'op monitor interval="5s"'
}
vip_group = []
for vip in cluster_config['vip'].split():
if is_ipv6(vip):
res_neutron_vip = 'ocf:heartbeat:IPv6addr'
vip_params = 'ipv6addr'
else:
res_neutron_vip = 'ocf:heartbeat:IPaddr2'
vip_params = 'ip'
iface = get_iface_for_address(vip)
if iface is not None:
vip_key = 'res_neutron_{}_vip'.format(iface)
resources[vip_key] = res_neutron_vip
resource_params[vip_key] = (
'params {ip}="{vip}" cidr_netmask="{netmask}" '
'nic="{iface}"'.format(ip=vip_params,
vip=vip,
iface=iface,
netmask=get_netmask_for_address(vip))
)
vip_group.append(vip_key)
if len(vip_group) >= 1:
relation_set(groups={'grp_neutron_vips': ' '.join(vip_group)})
init_services = {
'res_neutron_haproxy': 'haproxy'
}
clones = {
'cl_nova_haproxy': 'res_neutron_haproxy'
}
relation_set(init_services=init_services,
corosync_bindiface=cluster_config['ha-bindiface'],
corosync_mcastport=cluster_config['ha-mcastport'],
resources=resources,
resource_params=resource_params,
clones=clones)
@hooks.hook('ha-relation-changed')
def ha_changed():
clustered = relation_get('clustered')
if not clustered or clustered in [None, 'None', '']:
log('ha_changed: hacluster subordinate'
' not fully clustered: %s' % clustered)
return
log('Cluster configured, notifying other services and updating '
'keystone endpoint configuration')
for rid in relation_ids('identity-service'):
identity_joined(rid=rid)
for rid in relation_ids('neutron-api'):
neutron_api_relation_joined(rid=rid)
@hooks.hook('nrpe-external-master-relation-joined', 'nrpe-external-master-relation-changed')
def update_nrpe_config():
nrpe = NRPE()
apt_install('python-dbus')
nrpe.add_check(
shortname='neutron-api',
description='neutron-server process',
check_cmd = 'check_upstart_job neutron-server',
)
nrpe.write()
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log('Unknown hook {} - skipping.'.format(e))
if __name__ == '__main__':
main()