84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
# 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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# this is just for the reactive handlers and calls into the charm.
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from __future__ import absolute_import
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import charms.reactive as reactive
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import charmhelpers.core.hookenv as hookenv
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# This charm's library contains all of the handler code associated with
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# barbican
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import charm.openstack.barbican as barbican
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# use a synthetic state to ensure that it get it to be installed independent of
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# the install hook.
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@reactive.when_not('charm.installed')
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def install_packages():
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barbican.install()
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reactive.set_state('charm.installed')
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@reactive.when('amqp.connected')
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def setup_amqp_req(amqp):
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"""Use the amqp interface to request access to the amqp broker using our
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local configuration.
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"""
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amqp.request_access(username=hookenv.config('rabbit-user'),
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vhost=hookenv.config('rabbit-vhost'))
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barbican.assess_status()
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@reactive.when('shared-db.connected')
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def setup_database(database):
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"""On receiving database credentials, configure the database on the
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interface.
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"""
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database.configure(hookenv.config('database'),
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hookenv.config('database-user'),
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hookenv.unit_private_ip())
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barbican.assess_status()
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@reactive.when('identity-service.connected')
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def setup_endpoint(keystone):
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barbican.setup_endpoint(keystone)
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barbican.assess_status()
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@reactive.when('shared-db.available')
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@reactive.when('identity-service.available')
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@reactive.when('amqp.available')
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def render_stuff(*args):
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"""Render the configuration for Barbican when all the interfaces are
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available.
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Note that the HSM interface is optional (hence the @when_any) and thus is
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only used if it is available.
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"""
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# Get the optional hsm relation, if it is available for rendering.
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hsm = reactive.RelationBase.from_state('hsm.available')
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if hsm is not None:
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args = args + (hsm, )
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barbican.render_configs(args)
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barbican.assess_status()
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@reactive.when('config.changed')
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def config_changed():
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"""When the configuration changes, assess the unit's status to update any
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juju state required"""
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barbican.assess_status()
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