Files
charm-ceilometer-agent/hooks/ceilometer_hooks.py
2014-04-01 17:53:45 +01:00

72 lines
1.7 KiB
Python
Executable File

#!/usr/bin/python
import sys
import json
from charmhelpers.fetch import (
apt_install, filter_installed_packages,
apt_update
)
from charmhelpers.core.hookenv import (
config,
Hooks, UnregisteredHookError,
log,
relation_set
)
from charmhelpers.core.host import (
restart_on_change,
lsb_release,
)
from charmhelpers.contrib.openstack.utils import (
configure_installation_source,
openstack_upgrade_available
)
from ceilometer_utils import (
restart_map,
register_configs,
CEILOMETER_AGENT_PACKAGES,
NOVA_SETTINGS,
do_openstack_upgrade
)
hooks = Hooks()
CONFIGS = register_configs()
@hooks.hook()
def install():
origin = config('openstack-origin')
if (lsb_release()['DISTRIB_CODENAME'] == 'precise'
and origin == 'distro'):
origin = 'cloud:precise-grizzly'
configure_installation_source(origin)
apt_update(fatal=True)
apt_install(
filter_installed_packages(CEILOMETER_AGENT_PACKAGES),
fatal=True)
@hooks.hook('nova-ceilometer-relation-joined')
def nova_ceilometer_joined():
relation_set(subordinate_configuration=json.dumps(NOVA_SETTINGS))
@hooks.hook("ceilometer-service-relation-changed",
"upgrade-charm")
@restart_on_change(restart_map())
def ceilometer_changed():
CONFIGS.write_all()
@hooks.hook('config-changed')
@restart_on_change(restart_map(), stopstart=True)
def config_changed():
if openstack_upgrade_available('ceilometer-common'):
do_openstack_upgrade(CONFIGS)
CONFIGS.write_all()
if __name__ == '__main__':
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log('Unknown hook {} - skipping.'.format(e))