772 lines
25 KiB
Python
Executable File
772 lines
25 KiB
Python
Executable File
#!/usr/bin/python
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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 hashlib
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import json
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import os
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import sys
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from subprocess import check_call
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from charmhelpers.contrib import unison
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from charmhelpers.core.hookenv import (
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Hooks,
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UnregisteredHookError,
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config,
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is_relation_made,
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log,
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local_unit,
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DEBUG,
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INFO,
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WARNING,
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ERROR,
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relation_get,
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relation_ids,
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relation_set,
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related_units,
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unit_get,
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status_set,
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network_get_primary_address,
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open_port,
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)
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from charmhelpers.core.host import (
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mkdir,
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service_pause,
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)
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from charmhelpers.core.strutils import (
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bool_from_string,
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)
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from charmhelpers.fetch import (
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apt_install, apt_update,
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filter_installed_packages
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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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openstack_upgrade_available,
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sync_db_with_multi_ipv6_addresses,
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os_release,
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pausable_restart_on_change as restart_on_change,
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is_unit_paused_set,
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)
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from keystone_utils import (
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add_service_to_keystone,
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add_credentials_to_keystone,
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determine_packages,
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do_openstack_upgrade_reexec,
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ensure_initial_admin,
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get_admin_passwd,
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git_install,
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migrate_database,
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save_script_rc,
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synchronize_ca_if_changed,
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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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KEYSTONE_CONF,
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POLICY_JSON,
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TOKEN_FLUSH_CRON_FILE,
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SSH_USER,
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setup_ipv6,
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send_notifications,
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check_peer_actions,
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get_ssl_sync_request_units,
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is_ssl_cert_master,
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is_db_ready,
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clear_ssl_synced_units,
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is_db_initialised,
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update_certs_if_available,
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ensure_ssl_dir,
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ensure_pki_dir_permissions,
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ensure_permissions,
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force_ssl_sync,
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filter_null,
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ensure_ssl_dirs,
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ensure_pki_cert_paths,
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is_service_present,
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delete_service_entry,
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assess_status,
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run_in_apache,
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restart_function_map,
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WSGI_KEYSTONE_CONF,
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restart_pid_check,
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PACKAGE_KEYSTONE_CONF,
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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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peer_units,
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https,
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)
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from charmhelpers.contrib.openstack.ha.utils import (
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update_dns_ha_resource_params,
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)
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from charmhelpers.payload.execd import execd_preinstall
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from charmhelpers.contrib.peerstorage import (
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peer_retrieve_by_prefix,
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peer_echo,
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)
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from charmhelpers.contrib.openstack.ip import (
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ADMIN,
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resolve_address,
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)
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from charmhelpers.contrib.network.ip import (
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get_iface_for_address,
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get_netmask_for_address,
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get_address_in_network,
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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.context import ADDRESS_TYPES
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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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hooks = Hooks()
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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():
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status_set('maintenance', 'Executing pre-install')
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execd_preinstall()
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configure_installation_source(config('openstack-origin'))
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status_set('maintenance', 'Installing apt packages')
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apt_update()
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apt_install(determine_packages(), fatal=True)
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if run_in_apache():
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# NOTE: ensure that packaging provided
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# apache configuration is disabled
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# as it will conflict with the charm
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# provided version
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if os.path.exists(PACKAGE_KEYSTONE_CONF):
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check_call(['a2dissite', 'keystone'])
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service_pause('keystone')
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status_set('maintenance', 'Git install')
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git_install(config('openstack-origin-git'))
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unison.ensure_user(user=SSH_USER, group='juju_keystone')
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unison.ensure_user(user=SSH_USER, group='keystone')
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@hooks.hook('config-changed')
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@restart_on_change(restart_map(), restart_functions=restart_function_map())
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@synchronize_ca_if_changed(fatal=True)
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@harden()
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def config_changed():
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if config('prefer-ipv6'):
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status_set('maintenance', 'configuring 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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unison.ensure_user(user=SSH_USER, group='juju_keystone')
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unison.ensure_user(user=SSH_USER, group='keystone')
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homedir = unison.get_homedir(SSH_USER)
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if not os.path.isdir(homedir):
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mkdir(homedir, SSH_USER, 'juju_keystone', 0o775)
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if git_install_requested():
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if config_value_changed('openstack-origin-git'):
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status_set('maintenance', 'Running Git install')
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git_install(config('openstack-origin-git'))
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elif not config('action-managed-upgrade'):
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if openstack_upgrade_available('keystone'):
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status_set('maintenance', 'Running openstack upgrade')
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do_openstack_upgrade_reexec(configs=CONFIGS)
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config_changed_postupgrade()
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@hooks.hook('config-changed-postupgrade')
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@restart_on_change(restart_map(), restart_functions=restart_function_map())
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@synchronize_ca_if_changed(fatal=True)
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@harden()
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def config_changed_postupgrade():
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# Ensure ssl dir exists and is unison-accessible
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ensure_ssl_dir()
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check_call(['chmod', '-R', 'g+wrx', '/var/lib/keystone/'])
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ensure_ssl_dirs()
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save_script_rc()
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if run_in_apache():
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# Need to ensure mod_wsgi is installed and apache2 is reloaded
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# immediatly as charm querys its local keystone before restart
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# decorator can fire
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apt_install(filter_installed_packages(determine_packages()))
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service_pause('keystone')
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CONFIGS.write(WSGI_KEYSTONE_CONF)
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if not is_unit_paused_set():
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restart_pid_check('apache2')
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configure_https()
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open_port(config('service-port'))
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update_nrpe_config()
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CONFIGS.write_all()
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initialise_pki()
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update_all_identity_relation_units()
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# Ensure sync request is sent out (needed for any/all ssl change)
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send_ssl_sync_request()
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for r_id in relation_ids('ha'):
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ha_joined(relation_id=r_id)
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@synchronize_ca_if_changed(fatal=True)
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def initialise_pki():
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"""Create certs and keys required for token signing.
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Used for PKI and signing token revocation list.
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NOTE: keystone.conf [signing] section must be up-to-date prior to
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executing this.
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"""
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ensure_pki_cert_paths()
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if not peer_units() or is_ssl_cert_master():
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log("Ensuring PKI token certs created", level=DEBUG)
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cmd = ['keystone-manage', 'pki_setup', '--keystone-user', 'keystone',
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'--keystone-group', 'keystone']
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check_call(cmd)
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# Ensure logfile has keystone perms since we may have just created it
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# with root.
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ensure_permissions('/var/log/keystone', user='keystone',
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group='keystone', perms=0o744)
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ensure_permissions('/var/log/keystone/keystone.log', user='keystone',
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group='keystone', perms=0o644)
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ensure_pki_dir_permissions()
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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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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 = None
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try:
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# NOTE: try to use network spaces
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host = network_get_primary_address('shared-db')
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except NotImplementedError:
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# NOTE: fallback to private-address
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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 there'
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' is already associated a mysql one')
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log(e, level=ERROR)
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raise Exception(e)
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relation_set(database=config('database'))
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def update_all_identity_relation_units(check_db_ready=True):
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CONFIGS.write_all()
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if check_db_ready and not is_db_ready():
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log('Allowed_units list provided and this unit not present',
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level=INFO)
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return
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if not is_db_initialised():
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log("Database not yet initialised - deferring identity-relation "
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"updates", level=INFO)
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return
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if is_elected_leader(CLUSTER_RES):
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ensure_initial_admin(config)
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log('Firing identity_changed hook for all related services.')
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for rid in relation_ids('identity-service'):
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for unit in related_units(rid):
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identity_changed(relation_id=rid, remote_unit=unit)
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log('Firing admin_relation_changed hook for all related services.')
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for rid in relation_ids('identity-admin'):
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admin_relation_changed(rid)
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log('Firing identity_credentials_changed hook for all related services.')
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for rid in relation_ids('identity-credentials'):
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for unit in related_units(rid):
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identity_credentials_changed(relation_id=rid, remote_unit=unit)
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@synchronize_ca_if_changed(force=True)
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def update_all_identity_relation_units_force_sync():
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update_all_identity_relation_units()
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def leader_init_db_if_ready(use_current_context=False):
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""" Initialise the keystone db if it is ready and mark it as initialised.
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NOTE: this must be idempotent.
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"""
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if not is_elected_leader(CLUSTER_RES):
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log("Not leader - skipping db init", level=DEBUG)
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return
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if is_db_initialised():
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log("Database already initialised - skipping db init", level=DEBUG)
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update_all_identity_relation_units(check_db_ready=False)
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return
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# Bugs 1353135 & 1187508. Dbs can appear to be ready before the
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# units acl entry has been added. So, if the db supports passing
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# a list of permitted units then check if we're in the list.
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if not is_db_ready(use_current_context=use_current_context):
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log('Allowed_units list provided and this unit not present',
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level=INFO)
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return
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migrate_database()
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# Ensure any existing service entries are updated in the
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# new database backend. Also avoid duplicate db ready check.
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update_all_identity_relation_units(check_db_ready=False)
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@hooks.hook('shared-db-relation-changed')
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@restart_on_change(restart_map(), restart_functions=restart_function_map())
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@synchronize_ca_if_changed()
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def db_changed():
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if 'shared-db' not in CONFIGS.complete_contexts():
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log('shared-db relation incomplete. Peer not ready?')
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else:
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CONFIGS.write(KEYSTONE_CONF)
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leader_init_db_if_ready(use_current_context=True)
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if os_release('keystone-common') >= 'liberty':
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CONFIGS.write(POLICY_JSON)
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@hooks.hook('pgsql-db-relation-changed')
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@restart_on_change(restart_map(), restart_functions=restart_function_map())
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@synchronize_ca_if_changed()
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def pgsql_db_changed():
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if 'pgsql-db' not in CONFIGS.complete_contexts():
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log('pgsql-db relation incomplete. Peer not ready?')
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else:
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CONFIGS.write(KEYSTONE_CONF)
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leader_init_db_if_ready(use_current_context=True)
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if os_release('keystone-common') >= 'liberty':
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CONFIGS.write(POLICY_JSON)
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@hooks.hook('identity-service-relation-changed')
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@restart_on_change(restart_map(), restart_functions=restart_function_map())
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@synchronize_ca_if_changed()
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def identity_changed(relation_id=None, remote_unit=None):
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CONFIGS.write_all()
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notifications = {}
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if is_elected_leader(CLUSTER_RES):
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if not is_db_ready():
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log("identity-service-relation-changed hook fired before db "
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"ready - deferring until db ready", level=WARNING)
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return
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if not is_db_initialised():
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log("Database not yet initialised - deferring identity-relation "
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"updates", level=INFO)
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return
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add_service_to_keystone(relation_id, remote_unit)
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if is_service_present('neutron', 'network'):
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delete_service_entry('quantum', 'network')
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settings = relation_get(rid=relation_id, unit=remote_unit)
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service = settings.get('service', None)
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if service:
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# If service is known and endpoint has changed, notify service if
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# it is related with notifications interface.
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csum = hashlib.sha256()
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# We base the decision to notify on whether these parameters have
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# changed (if csum is unchanged from previous notify, relation will
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# not fire).
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csum.update(settings.get('public_url', None))
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csum.update(settings.get('admin_url', None))
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csum.update(settings.get('internal_url', None))
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notifications['%s-endpoint-changed' % (service)] = csum.hexdigest()
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else:
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# Each unit needs to set the db information otherwise if the unit
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# with the info dies the settings die with it Bug# 1355848
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for rel_id in relation_ids('identity-service'):
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peerdb_settings = peer_retrieve_by_prefix(rel_id)
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# Ensure the null'd settings are unset in the relation.
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peerdb_settings = filter_null(peerdb_settings)
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if 'service_password' in peerdb_settings:
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relation_set(relation_id=rel_id, **peerdb_settings)
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log('Deferring identity_changed() to service leader.')
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if notifications:
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send_notifications(notifications)
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@hooks.hook('identity-credentials-relation-joined',
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'identity-credentials-relation-changed')
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def identity_credentials_changed(relation_id=None, remote_unit=None):
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"""Update the identity credentials relation on change
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Calls add_credentials_to_keystone
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:param relation_id: Relation id of the relation
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:param remote_unit: Related unit on the relation
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"""
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if is_elected_leader(CLUSTER_RES):
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if not is_db_ready():
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log("identity-credentials-relation-changed hook fired before db "
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"ready - deferring until db ready", level=WARNING)
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return
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if not is_db_initialised():
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log("Database not yet initialised - deferring "
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"identity-credentials-relation updates", level=INFO)
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return
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# Create the tenant user
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add_credentials_to_keystone(relation_id, remote_unit)
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else:
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log('Deferring identity_credentials_changed() to service leader.')
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def send_ssl_sync_request():
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"""Set sync request on cluster relation.
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Value set equals number of ssl configs currently enabled so that if they
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change, we ensure that certs are synced. This setting is consumed by
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cluster-relation-changed ssl master. We also clear the 'synced' set to
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guarantee that a sync will occur.
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Note the we do nothing if the setting is already applied.
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"""
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unit = local_unit().replace('/', '-')
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# Start with core config (e.g. used for signing revoked token list)
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ssl_config = 0b1
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use_https = config('use-https')
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if use_https and bool_from_string(use_https):
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ssl_config ^= 0b10
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https_service_endpoints = config('https-service-endpoints')
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if (https_service_endpoints and
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bool_from_string(https_service_endpoints)):
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ssl_config ^= 0b100
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enable_pki = config('enable-pki')
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if enable_pki and bool_from_string(enable_pki):
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ssl_config ^= 0b1000
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key = 'ssl-sync-required-%s' % (unit)
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settings = {key: ssl_config}
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prev = 0b0
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rid = None
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for rid in relation_ids('cluster'):
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for unit in related_units(rid):
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_prev = relation_get(rid=rid, unit=unit, attribute=key) or 0b0
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if _prev and _prev > prev:
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prev = bin(_prev)
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if rid and prev ^ ssl_config:
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clear_ssl_synced_units()
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log("Setting %s=%s" % (key, bin(ssl_config)), level=DEBUG)
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relation_set(relation_id=rid, relation_settings=settings)
|
|
|
|
|
|
@hooks.hook('cluster-relation-joined')
|
|
def cluster_joined():
|
|
unison.ssh_authorized_peers(user=SSH_USER,
|
|
group='juju_keystone',
|
|
peer_interface='cluster',
|
|
ensure_local_user=True)
|
|
|
|
settings = {}
|
|
|
|
for addr_type in ADDRESS_TYPES:
|
|
address = get_address_in_network(
|
|
config('os-{}-network'.format(addr_type))
|
|
)
|
|
if address:
|
|
settings['{}-address'.format(addr_type)] = address
|
|
|
|
if config('prefer-ipv6'):
|
|
private_addr = get_ipv6_addr(exc_list=[config('vip')])[0]
|
|
settings['private-address'] = private_addr
|
|
|
|
relation_set(relation_settings=settings)
|
|
send_ssl_sync_request()
|
|
|
|
|
|
@hooks.hook('cluster-relation-changed',
|
|
'cluster-relation-departed')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
@update_certs_if_available
|
|
def cluster_changed():
|
|
unison.ssh_authorized_peers(user=SSH_USER,
|
|
group='juju_keystone',
|
|
peer_interface='cluster',
|
|
ensure_local_user=True)
|
|
# NOTE(jamespage) re-echo passwords for peer storage
|
|
echo_whitelist = ['_passwd', 'identity-service:', 'ssl-cert-master',
|
|
'db-initialised', 'ssl-cert-available-updates']
|
|
log("Peer echo whitelist: %s" % (echo_whitelist), level=DEBUG)
|
|
peer_echo(includes=echo_whitelist, force=True)
|
|
|
|
check_peer_actions()
|
|
|
|
initialise_pki()
|
|
|
|
# Figure out if we need to mandate a sync
|
|
units = get_ssl_sync_request_units()
|
|
synced_units = relation_get(attribute='ssl-synced-units',
|
|
unit=local_unit())
|
|
diff = None
|
|
if synced_units:
|
|
synced_units = json.loads(synced_units)
|
|
diff = set(units).symmetric_difference(set(synced_units))
|
|
|
|
if units and (not synced_units or diff):
|
|
log("New peers joined and need syncing - %s" %
|
|
(', '.join(units)), level=DEBUG)
|
|
update_all_identity_relation_units_force_sync()
|
|
else:
|
|
update_all_identity_relation_units()
|
|
|
|
if not is_elected_leader(CLUSTER_RES) and is_ssl_cert_master():
|
|
# Force and sync and trigger a sync master re-election since we are not
|
|
# leader anymore.
|
|
force_ssl_sync()
|
|
else:
|
|
CONFIGS.write_all()
|
|
|
|
|
|
@hooks.hook('leader-elected')
|
|
def leader_elected():
|
|
log('Unit has been elected leader.', level=DEBUG)
|
|
# When the local unit has been elected the leader, update the cron jobs
|
|
# to ensure that the cron jobs are active on this unit.
|
|
CONFIGS.write(TOKEN_FLUSH_CRON_FILE)
|
|
|
|
|
|
@hooks.hook('leader-settings-changed')
|
|
def leader_settings_changed():
|
|
# Since minions are notified of a regime change via the
|
|
# leader-settings-changed hook, rewrite the token flush cron job to make
|
|
# sure only the leader is running the cron job.
|
|
CONFIGS.write(TOKEN_FLUSH_CRON_FILE)
|
|
|
|
update_all_identity_relation_units()
|
|
|
|
|
|
@hooks.hook('ha-relation-joined')
|
|
def ha_joined(relation_id=None):
|
|
cluster_config = get_hacluster_config()
|
|
resources = {
|
|
'res_ks_haproxy': 'lsb:haproxy',
|
|
}
|
|
resource_params = {
|
|
'res_ks_haproxy': 'op monitor interval="5s"'
|
|
}
|
|
|
|
if config('dns-ha'):
|
|
update_dns_ha_resource_params(relation_id=relation_id,
|
|
resources=resources,
|
|
resource_params=resource_params)
|
|
else:
|
|
vip_group = []
|
|
for vip in cluster_config['vip'].split():
|
|
if is_ipv6(vip):
|
|
res_ks_vip = 'ocf:heartbeat:IPv6addr'
|
|
vip_params = 'ipv6addr'
|
|
else:
|
|
res_ks_vip = 'ocf:heartbeat:IPaddr2'
|
|
vip_params = 'ip'
|
|
|
|
iface = (get_iface_for_address(vip) or
|
|
config('vip_iface'))
|
|
netmask = (get_netmask_for_address(vip) or
|
|
config('vip_cidr'))
|
|
|
|
if iface is not None:
|
|
vip_key = 'res_ks_{}_vip'.format(iface)
|
|
if vip_key in vip_group:
|
|
log("Resource '%s' (vip='%s') already exists in "
|
|
"vip group - skipping" % (vip_key, vip),
|
|
WARNING)
|
|
continue
|
|
|
|
vip_group.append(vip_key)
|
|
resources[vip_key] = res_ks_vip
|
|
resource_params[vip_key] = (
|
|
'params {ip}="{vip}" cidr_netmask="{netmask}"'
|
|
' nic="{iface}"'.format(ip=vip_params,
|
|
vip=vip,
|
|
iface=iface,
|
|
netmask=netmask)
|
|
)
|
|
|
|
if len(vip_group) >= 1:
|
|
relation_set(relation_id=relation_id,
|
|
groups={CLUSTER_RES: ' '.join(vip_group)})
|
|
|
|
init_services = {
|
|
'res_ks_haproxy': 'haproxy'
|
|
}
|
|
clones = {
|
|
'cl_ks_haproxy': 'res_ks_haproxy'
|
|
}
|
|
relation_set(relation_id=relation_id,
|
|
init_services=init_services,
|
|
corosync_bindiface=cluster_config['ha-bindiface'],
|
|
corosync_mcastport=cluster_config['ha-mcastport'],
|
|
resources=resources,
|
|
resource_params=resource_params,
|
|
clones=clones)
|
|
|
|
|
|
@hooks.hook('ha-relation-changed')
|
|
@restart_on_change(restart_map(), restart_functions=restart_function_map())
|
|
@synchronize_ca_if_changed()
|
|
def ha_changed():
|
|
CONFIGS.write_all()
|
|
|
|
clustered = relation_get('clustered')
|
|
if clustered and is_elected_leader(CLUSTER_RES):
|
|
log('Cluster configured, notifying other services and updating '
|
|
'keystone endpoint configuration')
|
|
update_all_identity_relation_units()
|
|
|
|
|
|
@hooks.hook('identity-admin-relation-changed')
|
|
def admin_relation_changed(relation_id=None):
|
|
# TODO: fixup
|
|
relation_data = {
|
|
'service_hostname': resolve_address(ADMIN),
|
|
'service_port': config('service-port'),
|
|
'service_username': config('admin-user'),
|
|
'service_tenant_name': config('admin-role'),
|
|
'service_region': config('region'),
|
|
'service_protocol': 'https' if https() else 'http',
|
|
}
|
|
relation_data['service_password'] = get_admin_passwd()
|
|
relation_set(relation_id=relation_id, **relation_data)
|
|
|
|
|
|
@synchronize_ca_if_changed(fatal=True)
|
|
def configure_https():
|
|
'''
|
|
Enables SSL API Apache config if appropriate and kicks identity-service
|
|
with any required api updates.
|
|
'''
|
|
# need to write all to ensure changes to the entire request pipeline
|
|
# propagate (c-api, haprxy, apache)
|
|
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)
|
|
|
|
|
|
@hooks.hook('upgrade-charm')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
@synchronize_ca_if_changed()
|
|
@harden()
|
|
def upgrade_charm():
|
|
status_set('maintenance', 'Installing apt packages')
|
|
apt_install(filter_installed_packages(determine_packages()))
|
|
unison.ssh_authorized_peers(user=SSH_USER,
|
|
group='juju_keystone',
|
|
peer_interface='cluster',
|
|
ensure_local_user=True)
|
|
|
|
ensure_ssl_dirs()
|
|
|
|
CONFIGS.write_all()
|
|
|
|
# See LP bug 1519035
|
|
leader_init_db_if_ready()
|
|
|
|
update_nrpe_config()
|
|
|
|
if is_elected_leader(CLUSTER_RES):
|
|
log('Cluster leader - ensuring endpoint configuration is up to '
|
|
'date', level=DEBUG)
|
|
update_all_identity_relation_units()
|
|
|
|
|
|
@hooks.hook('update-status')
|
|
@harden()
|
|
def update_status():
|
|
log('Updating status.')
|
|
|
|
|
|
@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.copy_nrpe_checks()
|
|
nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
|
|
nrpe.add_haproxy_checks(nrpe_setup, current_unit)
|
|
nrpe_setup.write()
|
|
|
|
|
|
def main():
|
|
try:
|
|
hooks.execute(sys.argv)
|
|
except UnregisteredHookError as e:
|
|
log('Unknown hook {} - skipping.'.format(e))
|
|
assess_status(CONFIGS)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|