123 lines
3.3 KiB
Python
123 lines
3.3 KiB
Python
from charmhelpers.core.hookenv import (
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relation_ids,
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relation_get,
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related_units,
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config
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)
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from charmhelpers.contrib.openstack.utils import os_release
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from charmhelpers.contrib.openstack.context import (
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OSContextGenerator,
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context_complete,
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ApacheSSLContext as SSLContext,
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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determine_apache_port,
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determine_api_port
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)
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CEILOMETER_DB = 'ceilometer'
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class LoggingConfigContext(OSContextGenerator):
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def __call__(self):
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return {'debug': config('debug'), 'verbose': config('verbose')}
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class MongoDBContext(OSContextGenerator):
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interfaces = ['mongodb']
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def __call__(self):
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mongo_servers = []
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replset = None
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use_replset = os_release('ceilometer-api') >= 'icehouse'
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for relid in relation_ids('shared-db'):
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rel_units = related_units(relid)
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use_replset = use_replset and (len(rel_units) > 1)
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for unit in rel_units:
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host = relation_get('hostname', unit, relid)
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port = relation_get('port', unit, relid)
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conf = {
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"db_host": host,
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"db_port": port,
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"db_name": CEILOMETER_DB
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}
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if not context_complete(conf):
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continue
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if not use_replset:
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return conf
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if replset is None:
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replset = relation_get('replset', unit, relid)
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mongo_servers.append('{}:{}'.format(host, port))
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if mongo_servers:
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return {
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'db_mongo_servers': ','.join(mongo_servers),
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'db_name': CEILOMETER_DB,
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'db_replset': replset
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}
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return {}
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CEILOMETER_PORT = 8777
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class CeilometerContext(OSContextGenerator):
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def __call__(self):
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# Lazy-import to avoid a circular dependency in the imports
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from ceilometer_utils import get_shared_secret
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ctxt = {
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'api_workers': config('api-workers'),
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'port': CEILOMETER_PORT,
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'metering_secret': get_shared_secret()
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}
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return ctxt
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class CeilometerServiceContext(OSContextGenerator):
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interfaces = ['ceilometer-service']
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def __call__(self):
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for relid in relation_ids('ceilometer-service'):
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for unit in related_units(relid):
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conf = relation_get(unit=unit, rid=relid)
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if context_complete(conf):
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return conf
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return {}
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class HAProxyContext(OSContextGenerator):
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interfaces = ['ceilometer-haproxy']
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def __call__(self):
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'''Extends the main charmhelpers HAProxyContext with a port mapping
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specific to this charm.
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'''
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haproxy_port = CEILOMETER_PORT
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api_port = determine_api_port(CEILOMETER_PORT, singlenode_mode=True)
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apache_port = determine_apache_port(CEILOMETER_PORT,
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singlenode_mode=True)
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ctxt = {
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'service_ports': {'ceilometer_api': [haproxy_port, apache_port]},
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'port': api_port
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}
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return ctxt
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class ApacheSSLContext(SSLContext):
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external_ports = [CEILOMETER_PORT]
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service_namespace = "ceilometer"
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