119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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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
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# 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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from heatclient import client as heat_client
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from oslo_config import cfg
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from sahara import context
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from sahara import exceptions as ex
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from sahara.i18n import _
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from sahara.service import sessions
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from sahara.utils.openstack import base
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from sahara.utils.openstack import keystone
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opts = [
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cfg.BoolOpt('api_insecure',
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default=False,
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help='Allow to perform insecure SSL requests to heat.'),
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cfg.StrOpt('ca_file',
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help='Location of ca certificates file to use for heat '
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'client requests.'),
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cfg.StrOpt("endpoint_type",
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default="internalURL",
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help="Endpoint type for heat client requests")
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]
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heat_group = cfg.OptGroup(name='heat',
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title='Heat client options')
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CONF = cfg.CONF
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CONF.register_group(heat_group)
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CONF.register_opts(opts, group=heat_group)
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def client():
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ctx = context.ctx()
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session = sessions.cache().get_heat_session()
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heat_url = base.url_for(ctx.service_catalog, 'orchestration',
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endpoint_type=CONF.heat.endpoint_type)
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return heat_client.Client(
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'1', endpoint=heat_url, session=session, auth=keystone.auth(),
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region_name=CONF.os_region_name)
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def get_stack(stack_name, raise_on_missing=True):
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for stack in base.execute_with_retries(
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client().stacks.list, show_hidden=True,
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filters={'name': stack_name}):
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return stack
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if not raise_on_missing:
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return None
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raise ex.NotFoundException({'stack': stack_name},
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_('Failed to find stack %(stack)s'))
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def delete_stack(cluster):
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stack_name = cluster.stack_name
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base.execute_with_retries(client().stacks.delete, stack_name)
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stack = get_stack(stack_name, raise_on_missing=False)
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while stack is not None:
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# Valid states: IN_PROGRESS, empty and COMPLETE
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if stack.status in ['IN_PROGRESS', '', 'COMPLETE']:
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context.sleep(5)
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else:
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raise ex.HeatStackException(
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message=_(
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"Cannot delete heat stack {name}, reason: "
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"stack status: {status}, status reason: {reason}").format(
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name=stack_name, status=stack.status,
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reason=stack.stack_status_reason))
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stack = get_stack(stack_name, raise_on_missing=False)
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def lazy_delete_stack(cluster):
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'''Attempt to delete stack once, but do not await successful deletion'''
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stack_name = cluster.stack_name
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base.execute_with_retries(client().stacks.delete, stack_name)
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def get_stack_outputs(cluster):
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stack = get_stack(cluster.stack_name)
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stack.get()
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return stack.outputs
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def _verify_completion(stack, is_update=False, last_update_time=None):
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# NOTE: expected empty status because status of stack
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# maybe is not set in heat database
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if stack.status in ['IN_PROGRESS', '']:
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return False
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if is_update and stack.status == 'COMPLETE':
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if stack.updated_time == last_update_time:
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return False
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return True
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def wait_stack_completion(cluster, is_update=False, last_updated_time=None):
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stack_name = cluster.stack_name
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stack = get_stack(stack_name)
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while not _verify_completion(stack, is_update, last_updated_time):
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context.sleep(1)
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stack = get_stack(stack_name)
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if stack.status != 'COMPLETE':
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raise ex.HeatStackException(stack.stack_status_reason)
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