698 lines
23 KiB
Python
Executable File
698 lines
23 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 sys
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import uuid
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from subprocess import (
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check_call,
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)
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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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local_unit,
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log,
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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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status_set,
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open_port,
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unit_get,
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network_get_primary_address,
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)
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from charmhelpers.core.host import (
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mkdir,
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service_reload,
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service_restart,
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)
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from charmhelpers.fetch import (
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apt_install,
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add_source,
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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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os_requires_version,
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os_release,
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sync_db_with_multi_ipv6_addresses,
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is_unit_paused_set,
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pausable_restart_on_change as restart_on_change,
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)
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from neutron_api_utils import (
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additional_install_locations,
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API_PASTE_INI,
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api_port,
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assess_status,
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CLUSTER_RES,
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determine_packages,
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determine_ports,
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do_openstack_upgrade,
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dvr_router_present,
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force_etcd_restart,
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get_topics,
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git_install,
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is_api_ready,
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l3ha_router_present,
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migrate_neutron_database,
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NEUTRON_CONF,
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neutron_ready,
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register_configs,
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restart_map,
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services,
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setup_ipv6,
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)
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from neutron_api_context import (
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get_dvr,
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get_l3ha,
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get_l2population,
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get_overlay_network_type,
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IdentityServiceContext,
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EtcdContext,
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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get_hacluster_config,
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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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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.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.neutron import (
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neutron_plugin_attribute,
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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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def conditional_neutron_migration():
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if os_release('neutron-server') <= 'icehouse':
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log('Not running neutron database migration as migrations are handled '
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'by the neutron-server process.')
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return
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if is_elected_leader(CLUSTER_RES):
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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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migrate_neutron_database()
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if not is_unit_paused_set():
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service_restart('neutron-server')
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else:
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log('Not running neutron database migration, either no'
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' allowed_units or this unit is not present')
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return
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else:
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log('Not running neutron database migration, not leader')
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def configure_https():
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'''
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Enables SSL API Apache config if appropriate and kicks identity-service
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with any required api updates.
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'''
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# need to write all to ensure changes to the entire request pipeline
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# propagate (c-api, haprxy, apache)
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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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if not is_unit_paused_set():
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service_reload('apache2', restart_on_failure=True)
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for rid in relation_ids('identity-service'):
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identity_joined(rid=rid)
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@hooks.hook('install.real')
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@hooks.hook()
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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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openstack_origin = config('openstack-origin')
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configure_installation_source(openstack_origin)
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neutron_plugin = config('neutron-plugin')
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additional_install_locations(neutron_plugin, openstack_origin)
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add_source(config('extra-source'), config('extra-key'))
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status_set('maintenance', 'Installing apt packages')
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apt_update(fatal=True)
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packages = determine_packages(openstack_origin)
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apt_install(packages, fatal=True)
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status_set('maintenance', 'Git install')
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git_install(config('openstack-origin-git'))
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[open_port(port) for port in determine_ports()]
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if neutron_plugin == 'midonet':
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mkdir('/etc/neutron/plugins/midonet', owner='neutron', group='neutron',
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perms=0o755, force=False)
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@hooks.hook('vsd-rest-api-relation-joined')
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@restart_on_change(restart_map(), stopstart=True)
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def relation_set_nuage_cms_name(rid=None):
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if os_release('neutron-server') >= 'kilo':
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if config('vsd-cms-name') is None:
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e = "Neutron Api hook failed as vsd-cms-name" \
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" is not specified"
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status_set('blocked', e)
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else:
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relation_data = {
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'vsd-cms-name': '{}'.format(config('vsd-cms-name'))
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}
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relation_set(relation_id=rid, **relation_data)
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@hooks.hook('vsd-rest-api-relation-changed')
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@restart_on_change(restart_map(), stopstart=True)
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def vsd_changed(relation_id=None, remote_unit=None):
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if config('neutron-plugin') == 'vsp':
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vsd_ip_address = relation_get('vsd-ip-address')
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if not vsd_ip_address:
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return
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vsd_address = '{}:8443'.format(vsd_ip_address)
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if os_release('neutron-server') >= 'kilo':
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vsd_cms_id = relation_get('nuage-cms-id')
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log("nuage-vsd-api-relation-changed : cms_id:{}"
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.format(vsd_cms_id))
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nuage_config_file = neutron_plugin_attribute(config('neutron-plugin'),
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'config', 'neutron')
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log('vsd-rest-api-relation-changed: ip address:{}'.format(vsd_address))
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log('vsd-rest-api-relation-changed:{}'.format(nuage_config_file))
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CONFIGS.write(nuage_config_file)
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@hooks.hook('upgrade-charm')
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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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# If neutron is ready to be queried then check for incompatability between
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# existing neutron objects and charm settings
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if neutron_ready():
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if l3ha_router_present() and not get_l3ha():
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e = ('Cannot disable Router HA while ha enabled routers exist.'
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' Please remove any ha routers')
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status_set('blocked', e)
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raise Exception(e)
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if dvr_router_present() and not get_dvr():
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e = ('Cannot disable dvr while dvr enabled routers exist. Please'
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' remove any distributed routers')
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log(e, level=ERROR)
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status_set('blocked', e)
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raise Exception(e)
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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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global CONFIGS
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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('neutron-common'):
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status_set('maintenance', 'Running openstack upgrade')
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do_openstack_upgrade(CONFIGS)
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additional_install_locations(
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config('neutron-plugin'),
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config('openstack-origin')
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)
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status_set('maintenance', 'Installing apt packages')
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apt_install(filter_installed_packages(
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determine_packages(config('openstack-origin'))),
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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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for r_id in relation_ids('neutron-api'):
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neutron_api_relation_joined(rid=r_id)
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for r_id in relation_ids('neutron-plugin-api'):
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neutron_plugin_api_relation_joined(rid=r_id)
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for r_id in relation_ids('amqp'):
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amqp_joined(relation_id=r_id)
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for r_id in relation_ids('identity-service'):
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identity_joined(rid=r_id)
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for rid in relation_ids('zeromq-configuration'):
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zeromq_configuration_relation_joined(rid)
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[cluster_joined(rid) for rid in relation_ids('cluster')]
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@hooks.hook('amqp-relation-joined')
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def amqp_joined(relation_id=None):
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relation_set(relation_id=relation_id,
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username=config('rabbit-user'), vhost=config('rabbit-vhost'))
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@hooks.hook('amqp-relation-changed')
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@hooks.hook('amqp-relation-departed')
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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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log('amqp relation incomplete. Peer not ready?')
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return
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CONFIGS.write(NEUTRON_CONF)
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for r_id in relation_ids('neutron-plugin-api-subordinate'):
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neutron_plugin_api_subordinate_relation_joined(relid=r_id)
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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_neutron_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'
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' when there 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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@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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if 'shared-db' not in CONFIGS.complete_contexts():
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log('shared-db relation incomplete. Peer not ready?')
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return
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CONFIGS.write_all()
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conditional_neutron_migration()
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for r_id in relation_ids('neutron-plugin-api-subordinate'):
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neutron_plugin_api_subordinate_relation_joined(relid=r_id)
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@hooks.hook('pgsql-db-relation-changed')
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@restart_on_change(restart_map())
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def postgresql_neutron_db_changed():
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CONFIGS.write(NEUTRON_CONF)
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conditional_neutron_migration()
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for r_id in relation_ids('neutron-plugin-api-subordinate'):
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neutron_plugin_api_subordinate_relation_joined(relid=r_id)
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@hooks.hook('amqp-relation-broken',
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'identity-service-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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@hooks.hook('identity-service-relation-joined')
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def identity_joined(rid=None, relation_trigger=False):
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public_url = '{}:{}'.format(canonical_url(CONFIGS, PUBLIC),
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api_port('neutron-server'))
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admin_url = '{}:{}'.format(canonical_url(CONFIGS, ADMIN),
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api_port('neutron-server'))
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internal_url = '{}:{}'.format(canonical_url(CONFIGS, INTERNAL),
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api_port('neutron-server')
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)
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rel_settings = {
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'neutron_service': 'neutron',
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'neutron_region': config('region'),
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'neutron_public_url': public_url,
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'neutron_admin_url': admin_url,
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'neutron_internal_url': internal_url,
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'quantum_service': None,
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'quantum_region': None,
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'quantum_public_url': None,
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'quantum_admin_url': None,
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'quantum_internal_url': None,
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}
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if relation_trigger:
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rel_settings['relation_trigger'] = str(uuid.uuid4())
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relation_set(relation_id=rid, relation_settings=rel_settings)
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@hooks.hook('identity-service-relation-changed')
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@restart_on_change(restart_map())
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def identity_changed():
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if 'identity-service' not in CONFIGS.complete_contexts():
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log('identity-service relation incomplete. Peer not ready?')
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return
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CONFIGS.write(NEUTRON_CONF)
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for r_id in relation_ids('neutron-api'):
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neutron_api_relation_joined(rid=r_id)
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for r_id in relation_ids('neutron-plugin-api'):
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neutron_plugin_api_relation_joined(rid=r_id)
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for r_id in relation_ids('neutron-plugin-api-subordinate'):
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neutron_plugin_api_subordinate_relation_joined(relid=r_id)
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configure_https()
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@hooks.hook('neutron-api-relation-joined')
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def neutron_api_relation_joined(rid=None):
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base_url = canonical_url(CONFIGS, INTERNAL)
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neutron_url = '%s:%s' % (base_url, api_port('neutron-server'))
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relation_data = {
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'enable-sriov': config('enable-sriov'),
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'neutron-url': neutron_url,
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'neutron-plugin': config('neutron-plugin'),
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}
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if config('neutron-security-groups'):
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relation_data['neutron-security-groups'] = "yes"
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else:
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relation_data['neutron-security-groups'] = "no"
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if is_api_ready(CONFIGS):
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relation_data['neutron-api-ready'] = "yes"
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else:
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relation_data['neutron-api-ready'] = "no"
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relation_set(relation_id=rid, **relation_data)
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# Nova-cc may have grabbed the neutron endpoint so kick identity-service
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# relation to register that its here
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for r_id in relation_ids('identity-service'):
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identity_joined(rid=r_id, relation_trigger=True)
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@hooks.hook('neutron-api-relation-changed')
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@restart_on_change(restart_map())
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def neutron_api_relation_changed():
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CONFIGS.write(NEUTRON_CONF)
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@hooks.hook('neutron-plugin-api-relation-joined')
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def neutron_plugin_api_relation_joined(rid=None):
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if config('neutron-plugin') == 'nsx':
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relation_data = {
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'nsx-username': config('nsx-username'),
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'nsx-password': config('nsx-password'),
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'nsx-cluster-name': config('nsx-cluster-name'),
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'nsx-tz-uuid': config('nsx-tz-uuid'),
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'nsx-l3-uuid': config('nsx-l3-uuid'),
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'nsx-controllers': config('nsx-controllers'),
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}
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else:
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relation_data = {
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'neutron-security-groups': config('neutron-security-groups'),
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'l2-population': get_l2population(),
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'enable-dvr': get_dvr(),
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'enable-l3ha': get_l3ha(),
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'overlay-network-type': get_overlay_network_type(),
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'addr': unit_get('private-address'),
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}
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# Provide this value to relations since it needs to be set in multiple
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# places e.g. neutron.conf, nova.conf
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net_dev_mtu = config('network-device-mtu')
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if net_dev_mtu:
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relation_data['network-device-mtu'] = net_dev_mtu
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identity_ctxt = IdentityServiceContext()()
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if not identity_ctxt:
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identity_ctxt = {}
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relation_data.update({
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'auth_host': identity_ctxt.get('auth_host'),
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'auth_port': identity_ctxt.get('auth_port'),
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'auth_protocol': identity_ctxt.get('auth_protocol'),
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'service_protocol': identity_ctxt.get('service_protocol'),
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'service_host': identity_ctxt.get('service_host'),
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'service_port': identity_ctxt.get('service_port'),
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'service_tenant': identity_ctxt.get('admin_tenant_name'),
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'service_username': identity_ctxt.get('admin_user'),
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|
'service_password': identity_ctxt.get('admin_password'),
|
|
'region': config('region'),
|
|
})
|
|
|
|
if is_api_ready(CONFIGS):
|
|
relation_data['neutron-api-ready'] = "yes"
|
|
else:
|
|
relation_data['neutron-api-ready'] = "no"
|
|
|
|
relation_set(relation_id=rid, **relation_data)
|
|
|
|
|
|
@hooks.hook('cluster-relation-joined')
|
|
def cluster_joined(relation_id=None):
|
|
for addr_type in ADDRESS_TYPES:
|
|
address = get_address_in_network(
|
|
config('os-{}-network'.format(addr_type))
|
|
)
|
|
if address:
|
|
relation_set(
|
|
relation_id=relation_id,
|
|
relation_settings={'{}-address'.format(addr_type): address}
|
|
)
|
|
if config('prefer-ipv6'):
|
|
private_addr = get_ipv6_addr(exc_list=[config('vip')])[0]
|
|
relation_set(relation_id=relation_id,
|
|
relation_settings={'private-address': private_addr})
|
|
|
|
|
|
@hooks.hook('cluster-relation-changed',
|
|
'cluster-relation-departed')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def cluster_changed():
|
|
CONFIGS.write_all()
|
|
|
|
|
|
@hooks.hook('ha-relation-joined')
|
|
def ha_joined(relation_id=None):
|
|
cluster_config = get_hacluster_config()
|
|
resources = {
|
|
'res_neutron_haproxy': 'lsb:haproxy',
|
|
}
|
|
resource_params = {
|
|
'res_neutron_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_neutron_vip = 'ocf:heartbeat:IPv6addr'
|
|
vip_params = 'ipv6addr'
|
|
else:
|
|
res_neutron_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_neutron_{}_vip'.format(iface)
|
|
resources[vip_key] = res_neutron_vip
|
|
resource_params[vip_key] = (
|
|
'params {ip}="{vip}" cidr_netmask="{netmask}" '
|
|
'nic="{iface}"'.format(ip=vip_params,
|
|
vip=vip,
|
|
iface=iface,
|
|
netmask=netmask)
|
|
)
|
|
vip_group.append(vip_key)
|
|
|
|
if len(vip_group) >= 1:
|
|
relation_set(groups={'grp_neutron_vips': ' '.join(vip_group)})
|
|
|
|
init_services = {
|
|
'res_neutron_haproxy': 'haproxy'
|
|
}
|
|
clones = {
|
|
'cl_nova_haproxy': 'res_neutron_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')
|
|
def ha_changed():
|
|
clustered = relation_get('clustered')
|
|
if not clustered or clustered in [None, 'None', '']:
|
|
log('ha_changed: hacluster subordinate'
|
|
' not fully clustered: %s' % clustered)
|
|
return
|
|
log('Cluster configured, notifying other services and updating '
|
|
'keystone endpoint configuration')
|
|
for rid in relation_ids('identity-service'):
|
|
identity_joined(rid=rid)
|
|
for rid in relation_ids('neutron-api'):
|
|
neutron_api_relation_joined(rid=rid)
|
|
|
|
|
|
@hooks.hook('zeromq-configuration-relation-joined')
|
|
@os_requires_version('kilo', 'neutron-server')
|
|
def zeromq_configuration_relation_joined(relid=None):
|
|
relation_set(relation_id=relid,
|
|
topics=" ".join(get_topics()),
|
|
users="neutron")
|
|
|
|
|
|
@hooks.hook('neutron-plugin-api-subordinate-relation-joined',
|
|
'neutron-plugin-api-subordinate-relation-changed')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def neutron_plugin_api_subordinate_relation_joined(relid=None):
|
|
'''
|
|
-changed handles relation data set by a subordinate.
|
|
'''
|
|
relation_data = {'neutron-api-ready': 'no'}
|
|
if is_api_ready(CONFIGS):
|
|
relation_data['neutron-api-ready'] = "yes"
|
|
relation_set(relation_id=relid, **relation_data)
|
|
|
|
# there is no race condition with the neutron service restart
|
|
# as juju propagates the changes done in relation_set only after
|
|
# the hook exists
|
|
CONFIGS.write(API_PASTE_INI)
|
|
|
|
|
|
@hooks.hook('zeromq-configuration-relation-changed',
|
|
'neutron-plugin-api-subordinate-relation-changed')
|
|
@restart_on_change(restart_map(), stopstart=True)
|
|
def zeromq_configuration_relation_changed():
|
|
CONFIGS.write_all()
|
|
|
|
|
|
@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()
|
|
|
|
|
|
@hooks.hook('etcd-proxy-relation-joined')
|
|
@hooks.hook('etcd-proxy-relation-changed')
|
|
def etcd_proxy_force_restart(relation_id=None):
|
|
# note(cory.benfield): Mostly etcd does not require active management,
|
|
# but occasionally it does require a full config nuking. This does not
|
|
# play well with the standard neutron-api config management, so we
|
|
# treat etcd like the special snowflake it insists on being.
|
|
CONFIGS.register('/etc/init/etcd.conf', [EtcdContext()])
|
|
CONFIGS.write('/etc/init/etcd.conf')
|
|
CONFIGS.register('/etc/default/etcd', [EtcdContext()])
|
|
CONFIGS.write('/etc/default/etcd')
|
|
|
|
if 'etcd-proxy' in CONFIGS.complete_contexts():
|
|
force_etcd_restart()
|
|
|
|
|
|
@hooks.hook('midonet-relation-joined')
|
|
@hooks.hook('midonet-relation-changed')
|
|
@hooks.hook('midonet-relation-departed')
|
|
@restart_on_change(restart_map())
|
|
def midonet_changed():
|
|
CONFIGS.write_all()
|
|
|
|
|
|
@hooks.hook('update-status')
|
|
@harden()
|
|
@harden()
|
|
def update_status():
|
|
log('Updating status.')
|
|
|
|
|
|
def main():
|
|
try:
|
|
hooks.execute(sys.argv)
|
|
except UnregisteredHookError as e:
|
|
log('Unknown hook {} - skipping.'.format(e))
|
|
assess_status(CONFIGS)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|