charm-ceilometer-agent/hooks/ceilometer_contexts.py
2014-03-28 15:33:10 +00:00

60 lines
1.6 KiB
Python

import base64
import os
from charmhelpers.core.hookenv import (
relation_ids,
relation_get,
related_units,
)
from charmhelpers.contrib.openstack.context import (
OSContextGenerator,
context_complete
)
class CeilometerServiceContext(OSContextGenerator):
interfaces = ['ceilometer-service']
keys = [
'debug',
'verbose',
'rabbitmq_host',
'rabbitmq_user',
'rabbitmq_password',
'rabbitmq_virtual_host',
'auth_protocol',
'auth_host',
'auth_port',
'admin_tenant_name',
'admin_user',
'admin_password',
'metering_secret'
]
optional_keys = [
'rabbit_ssl_port',
'rabbit_ssl_ca'
]
def __init__(self, ssl_dir=None):
self.ssl_dir = ssl_dir
def __call__(self):
for relid in relation_ids('ceilometer-service'):
for unit in related_units(relid):
conf = {}
for attr in self.keys:
conf[attr] = relation_get(
attr, unit=unit, rid=relid)
if context_complete(conf):
for attr in self.optional_keys:
conf[attr] = relation_get(attr, unit=unit, rid=relid)
if conf.get('rabbit_ssl_ca') is not None:
ca_path = os.path.join(
self.ssl_dir, 'rabbit-client-ca.pem')
with open(ca_path, 'w') as fh:
fh.write(base64.b64decode(conf['rabbit_ssl_ca']))
conf['rabbit_ssl_ca'] = ca_path
return conf
return {}