charm-ceilometer-agent/hooks/ceilometer_utils.py
2015-06-26 17:44:36 +00:00

131 lines
3.8 KiB
Python

from charmhelpers.contrib.openstack import (
templating,
)
from ceilometer_contexts import (
CeilometerServiceContext
)
from charmhelpers.contrib.openstack.utils import (
get_os_codename_package,
get_os_codename_install_source,
configure_installation_source
)
from charmhelpers.core.hookenv import (
config,
log,
)
from charmhelpers.fetch import apt_update, apt_install, apt_upgrade
CEILOMETER_CONF_DIR = "/etc/ceilometer"
CEILOMETER_CONF = "%s/ceilometer.conf" % CEILOMETER_CONF_DIR
CEILOMETER_AGENT_SERVICES = ['ceilometer-agent-compute']
CEILOMETER_AGENT_PACKAGES = [
'python-ceilometer', 'ceilometer-common',
'ceilometer-agent-compute'
]
NOVA_CONF = "/etc/nova/nova.conf"
NOVA_SETTINGS = {
"nova": {
"/etc/nova/nova.conf": {
"sections": {
"DEFAULT": [
('instance_usage_audit', 'True'),
('instance_usage_audit_period', 'hour'),
('notify_on_state_change', 'vm_and_task_state'),
('notification_driver',
'ceilometer.compute.nova_notifier'),
('notification_driver',
'nova.openstack.common.notifier.rpc_notifier')
]
}
}
}
}
CONFIG_FILES = {
CEILOMETER_CONF: {
'hook_contexts': [
CeilometerServiceContext(ssl_dir=CEILOMETER_CONF_DIR)],
'services': CEILOMETER_AGENT_SERVICES
}
}
TEMPLATES = 'templates'
def register_configs():
"""
Register config files with their respective contexts.
Regstration of some configs may not be required depending on
existing of certain relations.
"""
# if called without anything installed (eg during install hook)
# just default to earliest supported release. configs dont get touched
# till post-install, anyway.
release = get_os_codename_package('ceilometer-common', fatal=False) \
or 'icehouse'
configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
openstack_release=release)
for conf in CONFIG_FILES:
configs.register(conf, CONFIG_FILES[conf]['hook_contexts'])
return configs
def restart_map():
'''
Determine the correct resource map to be passed to
charmhelpers.core.restart_on_change() based on the services configured.
:returns: dict: A dictionary mapping config file to lists of services
that should be restarted when file changes.
'''
_map = {}
for f, ctxt in CONFIG_FILES.iteritems():
svcs = []
for svc in ctxt['services']:
svcs.append(svc)
if svcs:
_map[f] = svcs
return _map
def services():
''' Returns a list of services associate with this charm '''
_services = []
for v in restart_map().values():
_services = _services + v
return list(set(_services))
def do_openstack_upgrade(configs):
"""
Perform an upgrade. Takes care of upgrading packages, rewriting
configs, database migrations and potentially any other post-upgrade
actions.
:param configs: The charms main OSConfigRenderer object.
"""
new_src = config('openstack-origin')
new_os_rel = get_os_codename_install_source(new_src)
log('Performing OpenStack upgrade to %s.' % (new_os_rel))
configure_installation_source(new_src)
dpkg_opts = [
'--option', 'Dpkg::Options::=--force-confnew',
'--option', 'Dpkg::Options::=--force-confdef',
]
apt_update(fatal=True)
apt_upgrade(options=dpkg_opts, fatal=True, dist=True)
apt_install(packages=CEILOMETER_AGENT_PACKAGES,
options=dpkg_opts,
fatal=True)
# set CONFIGS to load templates from new release
configs.set_release(openstack_release=new_os_rel)