f85dcba1a1
Based on python-heatclient 04b3880 (2015-06-04) Change-Id: Ie54c889a4b89ec32f9a00b954560929f35712021
129 lines
5.2 KiB
Python
129 lines
5.2 KiB
Python
# Copyright 2015 Red Hat Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from stacktaskclient.common import utils
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import stacktaskclient.exc as exc
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from stacktaskclient.openstack.common._i18n import _
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def get_hook_events(hc, stack_id, event_args, nested_depth=0,
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hook_type='pre-create'):
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if hook_type == 'pre-create':
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stack_action_reason = 'Stack CREATE started'
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hook_event_reason = 'CREATE paused until Hook pre-create is cleared'
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hook_clear_event_reason = 'Hook pre-create is cleared'
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elif hook_type == 'pre-update':
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stack_action_reason = 'Stack UPDATE started'
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hook_event_reason = 'UPDATE paused until Hook pre-update is cleared'
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hook_clear_event_reason = 'Hook pre-update is cleared'
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else:
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raise exc.CommandError(_('Unexpected hook type %s') % hook_type)
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events = get_events(hc, stack_id=stack_id, event_args=event_args,
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nested_depth=nested_depth)
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# Get the most recent event associated with this action, which gives us the
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# event when we moved into IN_PROGRESS for the hooks we're interested in.
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stack_name = stack_id.split("/")[0]
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action_start_event = [e for e in enumerate(events)
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if e[1].resource_status_reason == stack_action_reason
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and e[1].stack_name == stack_name][-1]
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# Slice the events with the index from the enumerate
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action_start_index = action_start_event[0]
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events = events[action_start_index:]
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# Get hook events still pending by some list filtering/comparison
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# We build a map hook events per-resource, and remove any event
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# for which there is a corresponding hook-clear event.
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resource_event_map = {}
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for e in events:
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stack_resource = (e.stack_name, e.resource_name)
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if e.resource_status_reason == hook_event_reason:
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resource_event_map[(e.stack_name, e.resource_name)] = e
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elif e.resource_status_reason == hook_clear_event_reason:
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if resource_event_map.get(stack_resource):
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del(resource_event_map[(e.stack_name, e.resource_name)])
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return list(resource_event_map.values())
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def get_events(hc, stack_id, event_args, nested_depth=0,
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marker=None, limit=None):
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events = _get_stack_events(hc, stack_id, event_args)
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if nested_depth > 0:
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events.extend(_get_nested_events(hc, nested_depth,
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stack_id, event_args))
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# Because there have been multiple stacks events mangled into
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# one list, we need to sort before passing to print_list
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# Note we can't use the prettytable sortby_index here, because
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# the "start" option doesn't allow post-sort slicing, which
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# will be needed to make "--marker" work for nested_depth lists
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events.sort(key=lambda x: x.event_time)
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# Slice the list if marker is specified
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if marker:
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marker_index = [e.id for e in events].index(marker)
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events = events[marker_index:]
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# Slice the list if limit is specified
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if limit:
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limit_index = min(int(limit), len(events))
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events = events[:limit_index]
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return events
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def _get_nested_ids(hc, stack_id):
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nested_ids = []
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try:
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resources = hc.resources.list(stack_id=stack_id)
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except exc.HTTPNotFound:
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raise exc.CommandError(_('Stack not found: %s') % stack_id)
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for r in resources:
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nested_id = utils.resource_nested_identifier(r)
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if nested_id:
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nested_ids.append(nested_id)
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return nested_ids
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def _get_nested_events(hc, nested_depth, stack_id, event_args):
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# FIXME(shardy): this is very inefficient, we should add nested_depth to
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# the event_list API in a future stacktask version, but this will be required
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# until kilo stacktask is EOL.
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nested_ids = _get_nested_ids(hc, stack_id)
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nested_events = []
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for n_id in nested_ids:
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stack_events = _get_stack_events(hc, n_id, event_args)
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if stack_events:
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nested_events.extend(stack_events)
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if nested_depth > 1:
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next_depth = nested_depth - 1
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nested_events.extend(_get_nested_events(
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hc, next_depth, n_id, event_args))
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return nested_events
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def _get_stack_events(hc, stack_id, event_args):
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event_args['stack_id'] = stack_id
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try:
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events = hc.events.list(**event_args)
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except exc.HTTPNotFound as ex:
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# it could be the stack or resource that is not found
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# just use the message that the server sent us.
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raise exc.CommandError(str(ex))
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else:
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# Show which stack the event comes from (for nested events)
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for e in events:
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e.stack_name = stack_id.split("/")[0]
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return events
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