123 lines
4.3 KiB
Python
Executable File
123 lines
4.3 KiB
Python
Executable File
#!/usr/local/sbin/charm-env python3
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# Copyright 2020 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 os
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import sys
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import traceback
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import uuid
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# Load modules from $CHARM_DIR/lib
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sys.path.append('lib')
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sys.path.append('reactive')
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from charms.layer import basic
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basic.bootstrap_charm_deps()
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basic.init_config_states()
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import charms.reactive as reactive
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import charms.leadership as leadership
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import charms_openstack.bus
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import charms_openstack.charm as charm
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import charmhelpers.core as ch_core
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import charm.openstack.ironic.api_utils as api_utils
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charms_openstack.bus.discover()
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def set_temp_url_secret(*args):
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"""Set Temp-Url-Key on storage account"""
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if not reactive.is_flag_set('leadership.is_leader'):
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return ch_core.hookenv.action_fail('action must be run on the leader '
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'unit.')
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if not reactive.is_flag_set('config.complete'):
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return ch_core.hookenv.action_fail('required relations are not yet '
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'available, please defer action'
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'until deployment is complete.')
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identity_service = reactive.endpoint_from_flag(
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'identity-credentials.available')
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try:
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keystone_session = api_utils.create_keystone_session(identity_service)
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except Exception as e:
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ch_core.hookenv.action_fail('Failed to create keystone session ("{}")'
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.format(e))
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os_cli = api_utils.OSClients(keystone_session)
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if os_cli.has_swift() is False:
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ch_core.hookenv.action_fail(
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'Swift not yet available. Please wait for deployment to finish')
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if os_cli.has_glance() is False:
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ch_core.hookenv.action_fail(
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'Glance not yet available. Please wait for deployment to finish')
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if "swift" not in os_cli.glance_stores:
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ch_core.hookenv.action_fail(
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'Glance does not support Swift storage backend. '
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'Please add relation between glance and ceph-radosgw/swift')
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current_secret = leadership.leader_get("temp_url_secret")
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current_swift_secret = os_cli.get_object_account_properties().get(
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'temp-url-key', None)
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if not current_secret or current_swift_secret != current_secret:
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secret = hashlib.sha1(
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str(uuid.uuid4()).encode()).hexdigest()
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os_cli.set_object_account_property("temp-url-key", secret)
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leadership.leader_set({"temp_url_secret": secret})
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# render configs on leader, and assess status. Every other unit
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# will render theirs when leader-settings-changed executes.
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shared_db = reactive.endpoint_from_flag(
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'shared-db.available')
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ironic_api = reactive.endpoint_from_flag(
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'ironic-api.available')
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amqp = reactive.endpoint_from_flag(
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'amqp.available')
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with charm.provide_charm_instance() as ironic_charm:
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ironic_charm.render_with_interfaces(
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charm.optional_interfaces(
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(identity_service, shared_db, ironic_api, amqp)))
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ironic_charm._assess_status()
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ACTIONS = {
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'set-temp-url-secret': set_temp_url_secret,
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}
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def main(args):
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action_name = os.path.basename(args[0])
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try:
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action = ACTIONS[action_name]
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except KeyError:
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return 'Action {} undefined'.format(action_name)
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else:
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try:
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action(args)
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except Exception as e:
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ch_core.hookenv.log('action "{}" failed: "{}" "{}"'
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.format(action_name, str(e),
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traceback.format_exc()),
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level=ch_core.hookenv.ERROR)
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ch_core.hookenv.action_fail(str(e))
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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