527 lines
16 KiB
Python
Executable File
527 lines
16 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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from subprocess import (
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call,
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check_call,
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)
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from glance_utils import (
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do_openstack_upgrade,
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git_install,
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migrate_database,
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register_configs,
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restart_map,
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services,
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CLUSTER_RES,
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determine_packages,
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SERVICES,
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CHARM,
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GLANCE_REGISTRY_CONF,
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GLANCE_REGISTRY_PASTE_INI,
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GLANCE_API_CONF,
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GLANCE_API_PASTE_INI,
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HAPROXY_CONF,
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ceph_config_file,
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setup_ipv6
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)
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from charmhelpers.core.hookenv import (
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config,
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Hooks,
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log as juju_log,
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INFO,
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ERROR,
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open_port,
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is_relation_made,
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local_unit,
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relation_get,
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relation_set,
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relation_ids,
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service_name,
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unit_get,
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UnregisteredHookError
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)
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from charmhelpers.core.host import (
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restart_on_change,
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service_reload,
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service_restart,
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service_stop,
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)
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from charmhelpers.fetch import (
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apt_install,
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apt_update,
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filter_installed_packages
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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is_elected_leader,
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get_hacluster_config
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)
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from charmhelpers.contrib.openstack.utils import (
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config_value_changed,
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configure_installation_source,
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git_install_requested,
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lsb_release,
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openstack_upgrade_available,
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os_release,
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sync_db_with_multi_ipv6_addresses,
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)
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from charmhelpers.contrib.storage.linux.ceph import (
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ensure_ceph_keyring,
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CephBrokerRq,
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CephBrokerRsp,
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delete_keyring,
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)
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from charmhelpers.payload.execd import (
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execd_preinstall
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)
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from charmhelpers.contrib.network.ip import (
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get_address_in_network,
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get_netmask_for_address,
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get_iface_for_address,
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get_ipv6_addr,
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is_ipv6
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)
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from charmhelpers.contrib.openstack.ip import (
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canonical_url,
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PUBLIC, INTERNAL, ADMIN
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)
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from charmhelpers.contrib.openstack.context import (
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ADDRESS_TYPES
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)
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from charmhelpers.contrib.charmsupport import nrpe
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hooks = Hooks()
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CONFIGS = register_configs()
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@hooks.hook('install')
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def install_hook():
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juju_log('Installing glance packages')
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execd_preinstall()
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src = config('openstack-origin')
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if (lsb_release()['DISTRIB_CODENAME'] == 'precise' and
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src == 'distro'):
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src = 'cloud:precise-folsom'
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configure_installation_source(src)
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apt_update(fatal=True)
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apt_install(determine_packages(), fatal=True)
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git_install(config('openstack-origin-git'))
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for service in SERVICES:
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service_stop(service)
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@hooks.hook('shared-db-relation-joined')
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def db_joined():
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if is_relation_made('pgsql-db'):
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# error, postgresql is used
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e = ('Attempting to associate a mysql database when there is already '
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'associated a postgresql one')
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juju_log(e, level=ERROR)
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raise Exception(e)
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if config('prefer-ipv6'):
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sync_db_with_multi_ipv6_addresses(config('database'),
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config('database-user'))
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else:
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host = unit_get('private-address')
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relation_set(database=config('database'),
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username=config('database-user'),
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hostname=host)
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@hooks.hook('pgsql-db-relation-joined')
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def pgsql_db_joined():
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if is_relation_made('shared-db'):
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# raise error
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e = ('Attempting to associate a postgresql database when'
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' there is already associated a mysql one')
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juju_log(e, level=ERROR)
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raise Exception(e)
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relation_set(database=config('database'))
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@hooks.hook('shared-db-relation-changed')
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@restart_on_change(restart_map())
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def db_changed():
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rel = os_release('glance-common')
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if 'shared-db' not in CONFIGS.complete_contexts():
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juju_log('shared-db relation incomplete. Peer not ready?')
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return
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CONFIGS.write(GLANCE_REGISTRY_CONF)
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# since folsom, a db connection setting in glance-api.conf is required.
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if rel != "essex":
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CONFIGS.write(GLANCE_API_CONF)
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if is_elected_leader(CLUSTER_RES):
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# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
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# acl entry has been added. So, if the db supports passing a list of
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# permitted units then check if we're in the list.
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allowed_units = relation_get('allowed_units')
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if allowed_units and local_unit() in allowed_units.split():
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if rel == "essex":
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status = call(['glance-manage', 'db_version'])
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if status != 0:
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juju_log('Setting version_control to 0')
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cmd = ["glance-manage", "version_control", "0"]
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check_call(cmd)
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juju_log('Cluster leader, performing db sync')
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migrate_database()
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else:
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juju_log('allowed_units either not presented, or local unit '
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'not in acl list: %s' % allowed_units)
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@hooks.hook('pgsql-db-relation-changed')
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@restart_on_change(restart_map())
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def pgsql_db_changed():
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rel = os_release('glance-common')
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if 'pgsql-db' not in CONFIGS.complete_contexts():
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juju_log('pgsql-db relation incomplete. Peer not ready?')
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return
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CONFIGS.write(GLANCE_REGISTRY_CONF)
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# since folsom, a db connection setting in glance-api.conf is required.
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if rel != "essex":
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CONFIGS.write(GLANCE_API_CONF)
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if is_elected_leader(CLUSTER_RES):
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if rel == "essex":
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status = call(['glance-manage', 'db_version'])
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if status != 0:
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juju_log('Setting version_control to 0')
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cmd = ["glance-manage", "version_control", "0"]
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check_call(cmd)
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juju_log('Cluster leader, performing db sync')
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migrate_database()
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@hooks.hook('image-service-relation-joined')
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def image_service_joined(relation_id=None):
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relation_data = {
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'glance-api-server':
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"{}:9292".format(canonical_url(CONFIGS, INTERNAL))
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}
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juju_log("%s: image-service_joined: To peer glance-api-server=%s" %
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(CHARM, relation_data['glance-api-server']))
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relation_set(relation_id=relation_id, **relation_data)
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@hooks.hook('object-store-relation-joined')
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@restart_on_change(restart_map())
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def object_store_joined():
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if 'identity-service' not in CONFIGS.complete_contexts():
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juju_log('Deferring swift storage configuration until '
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'an identity-service relation exists')
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return
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if 'object-store' not in CONFIGS.complete_contexts():
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juju_log('swift relation incomplete')
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return
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CONFIGS.write(GLANCE_API_CONF)
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@hooks.hook('ceph-relation-joined')
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def ceph_joined():
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apt_install(['ceph-common', 'python-ceph'])
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@hooks.hook('ceph-relation-changed')
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@restart_on_change(restart_map())
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def ceph_changed():
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if 'ceph' not in CONFIGS.complete_contexts():
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juju_log('ceph relation incomplete. Peer not ready?')
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return
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service = service_name()
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if not ensure_ceph_keyring(service=service,
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user='glance', group='glance'):
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juju_log('Could not create ceph keyring: peer not ready?')
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return
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settings = relation_get()
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if settings and 'broker_rsp' in settings:
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rsp = CephBrokerRsp(settings['broker_rsp'])
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# Non-zero return code implies failure
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if rsp.exit_code:
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juju_log("Ceph broker request failed (rc=%s, msg=%s)" %
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(rsp.exit_code, rsp.exit_msg), level=ERROR)
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return
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juju_log("Ceph broker request succeeded (rc=%s, msg=%s)" %
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(rsp.exit_code, rsp.exit_msg), level=INFO)
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CONFIGS.write(GLANCE_API_CONF)
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CONFIGS.write(ceph_config_file())
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# Ensure that glance-api is restarted since only now can we
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# guarantee that ceph resources are ready.
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service_restart('glance-api')
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else:
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rq = CephBrokerRq()
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replicas = config('ceph-osd-replication-count')
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rq.add_op_create_pool(name=service, replica_count=replicas)
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for rid in relation_ids('ceph'):
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relation_set(relation_id=rid, broker_req=rq.request)
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juju_log("Request(s) sent to Ceph broker (rid=%s)" % (rid))
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@hooks.hook('ceph-relation-broken')
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def ceph_broken():
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service = service_name()
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delete_keyring(service=service)
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CONFIGS.write_all()
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@hooks.hook('identity-service-relation-joined')
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def keystone_joined(relation_id=None):
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public_url = '{}:9292'.format(canonical_url(CONFIGS, PUBLIC))
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internal_url = '{}:9292'.format(canonical_url(CONFIGS, INTERNAL))
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admin_url = '{}:9292'.format(canonical_url(CONFIGS, ADMIN))
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relation_data = {
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'service': 'glance',
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'region': config('region'),
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'public_url': public_url,
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'admin_url': admin_url,
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'internal_url': internal_url, }
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relation_set(relation_id=relation_id, **relation_data)
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@hooks.hook('identity-service-relation-changed')
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@restart_on_change(restart_map())
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def keystone_changed():
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if 'identity-service' not in CONFIGS.complete_contexts():
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juju_log('identity-service relation incomplete. Peer not ready?')
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return
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CONFIGS.write(GLANCE_API_CONF)
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CONFIGS.write(GLANCE_REGISTRY_CONF)
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CONFIGS.write(GLANCE_API_PASTE_INI)
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CONFIGS.write(GLANCE_REGISTRY_PASTE_INI)
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# Configure any object-store / swift relations now that we have an
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# identity-service
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if relation_ids('object-store'):
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object_store_joined()
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# possibly configure HTTPS for API and registry
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configure_https()
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@hooks.hook('config-changed')
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@restart_on_change(restart_map(), stopstart=True)
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def config_changed():
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if config('prefer-ipv6'):
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setup_ipv6()
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sync_db_with_multi_ipv6_addresses(config('database'),
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config('database-user'))
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if git_install_requested():
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if config_value_changed('openstack-origin-git'):
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git_install(config('openstack-origin-git'))
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else:
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if openstack_upgrade_available('glance-common'):
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juju_log('Upgrading OpenStack release')
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do_openstack_upgrade(CONFIGS)
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open_port(9292)
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configure_https()
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update_nrpe_config()
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# Pickup and changes due to network reference architecture
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# configuration
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[keystone_joined(rid) for rid in relation_ids('identity-service')]
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[image_service_joined(rid) for rid in relation_ids('image-service')]
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[cluster_joined(rid) for rid in relation_ids('cluster')]
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for r_id in relation_ids('ha'):
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ha_relation_joined(relation_id=r_id)
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@hooks.hook('cluster-relation-joined')
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def cluster_joined(relation_id=None):
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for addr_type in ADDRESS_TYPES:
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address = get_address_in_network(
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config('os-{}-network'.format(addr_type))
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)
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if address:
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relation_set(
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relation_id=relation_id,
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relation_settings={'{}-address'.format(addr_type): address}
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)
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if config('prefer-ipv6'):
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private_addr = get_ipv6_addr(exc_list=[config('vip')])[0]
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relation_set(relation_id=relation_id,
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relation_settings={'private-address': private_addr})
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@hooks.hook('cluster-relation-changed')
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@restart_on_change(restart_map(), stopstart=True)
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def cluster_changed():
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configure_https()
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CONFIGS.write(GLANCE_API_CONF)
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CONFIGS.write(HAPROXY_CONF)
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@hooks.hook('upgrade-charm')
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@restart_on_change(restart_map(), stopstart=True)
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def upgrade_charm():
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apt_install(filter_installed_packages(determine_packages()), fatal=True)
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configure_https()
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update_nrpe_config()
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CONFIGS.write_all()
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@hooks.hook('ha-relation-joined')
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def ha_relation_joined(relation_id=None):
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cluster_config = get_hacluster_config()
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resources = {
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'res_glance_haproxy': 'lsb:haproxy'
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}
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resource_params = {
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'res_glance_haproxy': 'op monitor interval="5s"'
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}
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vip_group = []
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for vip in cluster_config['vip'].split():
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if is_ipv6(vip):
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res_ks_vip = 'ocf:heartbeat:IPv6addr'
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vip_params = 'ipv6addr'
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else:
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res_ks_vip = 'ocf:heartbeat:IPaddr2'
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vip_params = 'ip'
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iface = (get_iface_for_address(vip) or
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config('vip_iface'))
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netmask = (get_netmask_for_address(vip) or
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config('vip_cidr'))
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if iface is not None:
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vip_key = 'res_glance_{}_vip'.format(iface)
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resources[vip_key] = res_ks_vip
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resource_params[vip_key] = (
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'params {ip}="{vip}" cidr_netmask="{netmask}"'
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' nic="{iface}"'.format(ip=vip_params,
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vip=vip,
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iface=iface,
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netmask=netmask)
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)
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vip_group.append(vip_key)
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if len(vip_group) >= 1:
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relation_set(relation_id=relation_id,
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groups={'grp_glance_vips': ' '.join(vip_group)})
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init_services = {
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'res_glance_haproxy': 'haproxy',
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}
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clones = {
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'cl_glance_haproxy': 'res_glance_haproxy',
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}
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relation_set(relation_id=relation_id,
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init_services=init_services,
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corosync_bindiface=cluster_config['ha-bindiface'],
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corosync_mcastport=cluster_config['ha-mcastport'],
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resources=resources,
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resource_params=resource_params,
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clones=clones)
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@hooks.hook('ha-relation-changed')
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def ha_relation_changed():
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clustered = relation_get('clustered')
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if not clustered or clustered in [None, 'None', '']:
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juju_log('ha_changed: hacluster subordinate is not fully clustered.')
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return
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# reconfigure endpoint in keystone to point to clustered VIP.
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[keystone_joined(rid) for rid in relation_ids('identity-service')]
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# notify glance client services of reconfigured URL.
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[image_service_joined(rid) for rid in relation_ids('image-service')]
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@hooks.hook('identity-service-relation-broken',
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'object-store-relation-broken',
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'shared-db-relation-broken',
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'pgsql-db-relation-broken')
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def relation_broken():
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CONFIGS.write_all()
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def configure_https():
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'''Enables SSL API Apache config if appropriate and kicks
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identity-service and image-service with any required
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updates
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'''
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CONFIGS.write_all()
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if 'https' in CONFIGS.complete_contexts():
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cmd = ['a2ensite', 'openstack_https_frontend']
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check_call(cmd)
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else:
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cmd = ['a2dissite', 'openstack_https_frontend']
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check_call(cmd)
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# TODO: improve this by checking if local CN certs are available
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# first then checking reload status (see LP #1433114).
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service_reload('apache2', restart_on_failure=True)
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for r_id in relation_ids('identity-service'):
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keystone_joined(relation_id=r_id)
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for r_id in relation_ids('image-service'):
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image_service_joined(relation_id=r_id)
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@hooks.hook('amqp-relation-joined')
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def amqp_joined():
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conf = config()
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relation_set(username=conf['rabbit-user'], vhost=conf['rabbit-vhost'])
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@hooks.hook('amqp-relation-changed')
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@restart_on_change(restart_map())
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def amqp_changed():
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if 'amqp' not in CONFIGS.complete_contexts():
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juju_log('amqp relation incomplete. Peer not ready?')
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return
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CONFIGS.write(GLANCE_API_CONF)
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@hooks.hook('nrpe-external-master-relation-joined',
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'nrpe-external-master-relation-changed')
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def update_nrpe_config():
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# python-dbus is used by check_upstart_job
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apt_install('python-dbus')
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hostname = nrpe.get_nagios_hostname()
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current_unit = nrpe.get_nagios_unit_name()
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nrpe_setup = nrpe.NRPE(hostname=hostname)
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nrpe.copy_nrpe_checks()
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nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
|
|
nrpe.add_haproxy_checks(nrpe_setup, current_unit)
|
|
nrpe_setup.write()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
hooks.execute(sys.argv)
|
|
except UnregisteredHookError as e:
|
|
juju_log('Unknown hook {} - skipping.'.format(e))
|