656 lines
20 KiB
Python
Executable File
656 lines
20 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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_path = os.path.dirname(os.path.realpath(__file__))
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_parent = os.path.abspath(os.path.join(_path, ".."))
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def _add_path(path):
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if path not in sys.path:
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sys.path.insert(1, path)
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_add_path(_parent)
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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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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_API_CONF,
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HAPROXY_CONF,
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ceph_config_file,
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setup_ipv6,
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assess_status,
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reinstall_paste_ini,
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is_api_ready,
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update_image_location_policy,
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pause_unit_helper,
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resume_unit_helper,
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remove_old_packages,
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deprecated_services,
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get_ceph_request,
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)
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from charmhelpers.core.hookenv import (
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charm_dir,
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config,
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Hooks,
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log as juju_log,
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DEBUG,
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open_port,
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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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related_units,
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service_name,
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UnregisteredHookError,
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status_set,
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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_clustered,
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is_elected_leader,
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)
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from charmhelpers.contrib.openstack.ha.utils import (
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generate_ha_relation_data,
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)
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from charmhelpers.contrib.openstack.utils import (
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configure_installation_source,
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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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pausable_restart_on_change as restart_on_change,
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is_unit_paused_set,
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os_requires_version,
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series_upgrade_prepare,
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series_upgrade_complete,
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CompareOpenStackReleases,
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is_db_initialised,
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is_db_maintenance_mode,
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)
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from charmhelpers.contrib.storage.linux.ceph import (
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send_application_name,
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send_request_if_needed,
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is_request_complete,
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ensure_ceph_keyring,
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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_relation_ip,
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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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from charmhelpers.contrib.hardening.harden import harden
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from charmhelpers.contrib.openstack.cert_utils import (
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get_certificate_request,
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process_certificates,
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)
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from charmhelpers.contrib.openstack.policyd import (
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maybe_do_policyd_overrides,
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maybe_do_policyd_overrides_on_config_changed,
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)
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hooks = Hooks()
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# Note that CONFIGS is now set up via resolve_CONFIGS so that it is not a
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# module load time constraint.
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CONFIGS = None
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def resolve_CONFIGS(force_update=False):
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"""lazy function to resolve the CONFIGS so that it doesn't have to evaluate
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at module load time. Note that it also returns the CONFIGS so that it can
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be used in other, module loadtime, functions.
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:param force_update: Force a refresh of CONFIGS
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:type force_update: bool
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:returns: CONFIGS variable
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:rtype: `:class:templating.OSConfigRenderer`
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"""
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global CONFIGS
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if CONFIGS is None or force_update:
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CONFIGS = register_configs()
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@hooks.hook('install.real')
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@harden()
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def install_hook():
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status_set('maintenance', 'Executing pre-install')
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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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status_set('maintenance', 'Installing apt packages')
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apt_update(fatal=True)
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apt_install(determine_packages(), fatal=True)
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for service in SERVICES:
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service_stop(service)
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# call the policy overrides handler which will install any policy overrides
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maybe_do_policyd_overrides(
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os_release('glance-common'),
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'glance',
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restart_handler=lambda: service_restart('glance-api'))
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@hooks.hook('shared-db-relation-joined')
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def db_joined():
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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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# Avoid churn check for access-network early
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access_network = None
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for unit in related_units():
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access_network = relation_get(unit=unit,
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attribute='access-network')
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if access_network:
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break
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host = get_relation_ip('shared-db', cidr_network=access_network)
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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('shared-db-relation-changed')
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@restart_on_change(restart_map())
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def db_changed():
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resolve_CONFIGS()
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if is_db_maintenance_mode():
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juju_log('Database maintenance mode, aborting hook.')
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return
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release = os_release('glance-common')
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cmp_release = CompareOpenStackReleases(release)
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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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# https://blueprints.launchpad.net/glance/+spec/deprecate-registry
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# Based on Glance registry deprecation and removal on Stein release,
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# its configuration is written only if OpenStack version is previous
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# than Stein.
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if cmp_release < 'stein':
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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 cmp_release != "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 cmp_release == "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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if is_db_initialised():
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juju_log('Skipping DB sync, database already initialised')
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else:
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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: {}'.format(allowed_units))
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for rid in relation_ids('image-service'):
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image_service_joined(rid)
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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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resolve_CONFIGS()
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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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if is_api_ready(CONFIGS):
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relation_data['glance-api-ready'] = 'yes'
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else:
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relation_data['glance-api-ready'] = 'no'
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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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resolve_CONFIGS()
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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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[image_service_joined(rid) for rid in relation_ids('image-service')]
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update_image_location_policy(CONFIGS)
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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'])
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send_application_name()
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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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resolve_CONFIGS()
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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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if is_request_complete(get_ceph_request()):
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juju_log('Request complete')
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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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# Don't restart if the unit is in maintenance mode
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if not is_unit_paused_set():
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service_restart('glance-api')
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else:
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send_request_if_needed(get_ceph_request())
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@hooks.hook('ceph-relation-departed')
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@restart_on_change(restart_map())
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def ceph_departed():
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resolve_CONFIGS()
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CONFIGS.write_all()
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@hooks.hook('ceph-relation-broken')
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@restart_on_change(restart_map())
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def ceph_broken():
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resolve_CONFIGS()
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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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resolve_CONFIGS()
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if config('vip') and not is_clustered():
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juju_log('Defering registration until clustered', level=DEBUG)
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return
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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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resolve_CONFIGS()
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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_all()
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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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for rid in relation_ids('image-service'):
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image_service_joined(rid)
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@hooks.hook('config-changed')
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@restart_on_change(restart_map(), stopstart=True)
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@harden()
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def config_changed():
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resolve_CONFIGS()
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if config('prefer-ipv6'):
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setup_ipv6()
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status_set('maintenance', 'Sync DB')
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sync_db_with_multi_ipv6_addresses(config('database'),
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config('database-user'))
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if not config('action-managed-upgrade'):
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if openstack_upgrade_available('glance-common'):
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status_set('maintenance', 'Upgrading OpenStack release')
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do_openstack_upgrade(CONFIGS)
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resolve_CONFIGS(force_update=True)
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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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# NOTE(jamespage): trigger any configuration related changes
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# for cephx permissions restrictions
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try:
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ceph_changed()
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update_image_location_policy(CONFIGS)
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except ValueError as e:
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# The end user has most likely provided a invalid value for a
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# configuration option. Just log the traceback here, the end user will
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# be notified by assess_status() called at the end of the hook
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# execution.
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juju_log(
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'Caught ValueError, invalid value provided for configuration?: '
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'"{}"'.format(str(e)),
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level=DEBUG)
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# call the policy overrides handler which will install any policy overrides
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maybe_do_policyd_overrides_on_config_changed(
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os_release('glance-common'),
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'glance',
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restart_handler=lambda: service_restart('glance-api'))
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@hooks.hook('cluster-relation-joined')
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def cluster_joined(relation_id=None):
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settings = {}
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for addr_type in ADDRESS_TYPES:
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address = get_relation_ip(
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addr_type,
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cidr_network=config('os-{}-network'.format(addr_type)))
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if address:
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settings['{}-address'.format(addr_type)] = address
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settings['private-address'] = get_relation_ip('cluster')
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relation_set(relation_id=relation_id, relation_settings=settings)
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@hooks.hook('cluster-relation-changed')
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@hooks.hook('cluster-relation-departed')
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@restart_on_change(restart_map(), stopstart=True)
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def cluster_changed():
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resolve_CONFIGS()
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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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@harden()
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def upgrade_charm():
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resolve_CONFIGS()
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apt_install(filter_installed_packages(determine_packages()), fatal=True)
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packages_removed = remove_old_packages()
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reinstall_paste_ini(force_reinstall=packages_removed)
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configure_https()
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update_nrpe_config()
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# NOTE(ajkavanagh) the update_image_location_policy() call below isn't
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# called with CONFIGS as the config files all get re-written after the
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# call.
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update_image_location_policy()
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CONFIGS.write_all()
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if packages_removed:
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juju_log("Package purge detected, restarting services", "INFO")
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for s in services():
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service_restart(s)
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# call the policy overrides handler which will install any policy overrides
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maybe_do_policyd_overrides(
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os_release('glance-common'),
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'glance',
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restart_handler=lambda: service_restart('glance-api'))
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@hooks.hook('ha-relation-joined')
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def ha_relation_joined(relation_id=None):
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settings = generate_ha_relation_data('glance')
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relation_set(relation_id=relation_id, **settings)
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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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'cinder-volume-service-relation-broken',
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'storage-backend-relation-broken')
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def relation_broken():
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resolve_CONFIGS()
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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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resolve_CONFIGS()
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CONFIGS.write_all()
|
|
if 'https' in CONFIGS.complete_contexts():
|
|
cmd = ['a2ensite', 'openstack_https_frontend']
|
|
check_call(cmd)
|
|
else:
|
|
cmd = ['a2dissite', 'openstack_https_frontend']
|
|
check_call(cmd)
|
|
|
|
# TODO: improve this by checking if local CN certs are available
|
|
# first then checking reload status (see LP #1433114).
|
|
if not is_unit_paused_set():
|
|
service_reload('apache2', restart_on_failure=True)
|
|
|
|
for r_id in relation_ids('identity-service'):
|
|
keystone_joined(relation_id=r_id)
|
|
for r_id in relation_ids('image-service'):
|
|
image_service_joined(relation_id=r_id)
|
|
|
|
|
|
@hooks.hook('amqp-relation-joined')
|
|
def amqp_joined():
|
|
conf = config()
|
|
relation_set(username=conf['rabbit-user'], vhost=conf['rabbit-vhost'])
|
|
|
|
|
|
@hooks.hook('amqp-relation-changed')
|
|
@restart_on_change(restart_map())
|
|
def amqp_changed():
|
|
resolve_CONFIGS()
|
|
if 'amqp' not in CONFIGS.complete_contexts():
|
|
juju_log('amqp relation incomplete. Peer not ready?')
|
|
return
|
|
CONFIGS.write(GLANCE_API_CONF)
|
|
|
|
|
|
@hooks.hook('nrpe-external-master-relation-joined',
|
|
'nrpe-external-master-relation-changed')
|
|
def update_nrpe_config():
|
|
# python-dbus is used by check_upstart_job
|
|
apt_install('python-dbus')
|
|
hostname = nrpe.get_nagios_hostname()
|
|
current_unit = nrpe.get_nagios_unit_name()
|
|
nrpe_setup = nrpe.NRPE(hostname=hostname)
|
|
nrpe_files_dir = os.path.join(
|
|
charm_dir(), 'charmhelpers', 'contrib', 'openstack', 'files')
|
|
nrpe.copy_nrpe_checks(nrpe_files_dir=nrpe_files_dir)
|
|
nrpe.remove_deprecated_check(nrpe_setup, deprecated_services())
|
|
nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
|
|
nrpe.add_haproxy_checks(nrpe_setup, current_unit)
|
|
nrpe_setup.write()
|
|
|
|
|
|
@hooks.hook('update-status')
|
|
@harden()
|
|
def update_status():
|
|
juju_log('Updating status.')
|
|
|
|
|
|
def install_packages_for_cinder_store():
|
|
optional_packages = ["python-cinderclient",
|
|
"python-os-brick",
|
|
"python-oslo.rootwrap"]
|
|
release = os_release('glance-common')
|
|
cmp_release = CompareOpenStackReleases(release)
|
|
if cmp_release < 'rocky':
|
|
apt_install(filter_installed_packages(optional_packages), fatal=True)
|
|
|
|
|
|
@hooks.hook('cinder-volume-service-relation-joined')
|
|
@os_requires_version('mitaka', 'glance-common')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def cinder_volume_service_relation_joined(relid=None):
|
|
resolve_CONFIGS()
|
|
install_packages_for_cinder_store()
|
|
CONFIGS.write_all()
|
|
|
|
|
|
@hooks.hook('storage-backend-relation-changed')
|
|
@os_requires_version('mitaka', 'glance-common')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def storage_backend_hook():
|
|
resolve_CONFIGS()
|
|
if 'storage-backend' not in CONFIGS.complete_contexts():
|
|
juju_log('storage-backend relation incomplete. Peer not ready?')
|
|
return
|
|
install_packages_for_cinder_store()
|
|
CONFIGS.write(GLANCE_API_CONF)
|
|
|
|
|
|
@hooks.hook('certificates-relation-joined')
|
|
def certs_joined(relation_id=None):
|
|
relation_set(
|
|
relation_id=relation_id,
|
|
relation_settings=get_certificate_request())
|
|
|
|
|
|
@hooks.hook('certificates-relation-changed')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def certs_changed(relation_id=None, unit=None):
|
|
process_certificates('glance', relation_id, unit)
|
|
configure_https()
|
|
|
|
|
|
@hooks.hook('pre-series-upgrade')
|
|
def pre_series_upgrade():
|
|
resolve_CONFIGS()
|
|
juju_log("Running prepare series upgrade hook", "INFO")
|
|
series_upgrade_prepare(
|
|
pause_unit_helper, CONFIGS)
|
|
|
|
|
|
@hooks.hook('post-series-upgrade')
|
|
def post_series_upgrade():
|
|
resolve_CONFIGS()
|
|
juju_log("Running complete series upgrade hook", "INFO")
|
|
series_upgrade_complete(
|
|
resume_unit_helper, CONFIGS)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
hooks.execute(sys.argv)
|
|
except UnregisteredHookError as e:
|
|
juju_log('Unknown hook {} - skipping.'.format(e))
|
|
resolve_CONFIGS()
|
|
assess_status(CONFIGS)
|