ac0a3ce67c
Add verify option to post request in scale_webhook method to fix SSLError certificate verify failed. Closes-bug: #1808179 Change-Id: I1a4a226b9dba9de246f5e94a473f8c4f3e37d379
333 lines
13 KiB
Python
333 lines
13 KiB
Python
# Copyright 2014: Mirantis Inc.
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# All Rights Reserved.
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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 rally.common import cfg
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from rally.common import logging
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from rally import exceptions
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from rally.task import atomic
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from rally.task import utils
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import requests
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from rally_openstack import scenario
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class HeatScenario(scenario.OpenStackScenario):
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"""Base class for Heat scenarios with basic atomic actions."""
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@atomic.action_timer("heat.list_stacks")
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def _list_stacks(self):
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"""Return user stack list."""
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return list(self.clients("heat").stacks.list())
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@atomic.action_timer("heat.create_stack")
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def _create_stack(self, template, parameters=None,
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files=None, environment=None):
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"""Create a new stack.
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:param template: template with stack description.
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:param parameters: template parameters used during stack creation
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:param files: additional files used in template
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:param environment: stack environment definition
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:returns: object of stack
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"""
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stack_name = self.generate_random_name()
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kw = {
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"stack_name": stack_name,
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"disable_rollback": True,
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"parameters": parameters or {},
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"template": template,
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"files": files or {},
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"environment": environment or {}
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}
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# heat client returns body instead manager object, so we should
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# get manager object using stack_id
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stack_id = self.clients("heat").stacks.create(**kw)["stack"]["id"]
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stack = self.clients("heat").stacks.get(stack_id)
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self.sleep_between(CONF.openstack.heat_stack_create_prepoll_delay)
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stack = utils.wait_for_status(
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stack,
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ready_statuses=["CREATE_COMPLETE"],
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failure_statuses=["CREATE_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_create_timeout,
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check_interval=CONF.openstack.heat_stack_create_poll_interval)
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return stack
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@atomic.action_timer("heat.update_stack")
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def _update_stack(self, stack, template, parameters=None,
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files=None, environment=None):
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"""Update an existing stack
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:param stack: stack that need to be updated
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:param template: Updated template
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:param parameters: template parameters for stack update
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:param files: additional files used in template
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:param environment: stack environment definition
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:returns: object of updated stack
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"""
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kw = {
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"stack_name": stack.stack_name,
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"disable_rollback": True,
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"parameters": parameters or {},
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"template": template,
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"files": files or {},
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"environment": environment or {}
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}
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self.clients("heat").stacks.update(stack.id, **kw)
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self.sleep_between(CONF.openstack.heat_stack_update_prepoll_delay)
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stack = utils.wait_for_status(
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stack,
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ready_statuses=["UPDATE_COMPLETE"],
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failure_statuses=["UPDATE_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_update_timeout,
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check_interval=CONF.openstack.heat_stack_update_poll_interval)
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return stack
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@atomic.action_timer("heat.check_stack")
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def _check_stack(self, stack):
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"""Check given stack.
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Check the stack and stack resources.
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:param stack: stack that needs to be checked
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"""
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self.clients("heat").actions.check(stack.id)
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utils.wait_for_status(
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stack,
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ready_statuses=["CHECK_COMPLETE"],
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failure_statuses=["CHECK_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(["CHECK_FAILED"]),
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timeout=CONF.openstack.heat_stack_check_timeout,
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check_interval=CONF.openstack.heat_stack_check_poll_interval)
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@atomic.action_timer("heat.delete_stack")
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def _delete_stack(self, stack):
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"""Delete given stack.
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Returns when the stack is actually deleted.
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:param stack: stack object
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"""
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stack.delete()
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utils.wait_for_status(
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stack,
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ready_statuses=["DELETE_COMPLETE"],
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failure_statuses=["DELETE_FAILED", "ERROR"],
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check_deletion=True,
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_delete_timeout,
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check_interval=CONF.openstack.heat_stack_delete_poll_interval)
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@atomic.action_timer("heat.suspend_stack")
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def _suspend_stack(self, stack):
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"""Suspend given stack.
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:param stack: stack that needs to be suspended
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"""
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self.clients("heat").actions.suspend(stack.id)
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utils.wait_for_status(
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stack,
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ready_statuses=["SUSPEND_COMPLETE"],
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failure_statuses=["SUSPEND_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_suspend_timeout,
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check_interval=CONF.openstack.heat_stack_suspend_poll_interval)
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@atomic.action_timer("heat.resume_stack")
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def _resume_stack(self, stack):
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"""Resume given stack.
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:param stack: stack that needs to be resumed
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"""
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self.clients("heat").actions.resume(stack.id)
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utils.wait_for_status(
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stack,
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ready_statuses=["RESUME_COMPLETE"],
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failure_statuses=["RESUME_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_resume_timeout,
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check_interval=CONF.openstack.heat_stack_resume_poll_interval)
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@atomic.action_timer("heat.snapshot_stack")
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def _snapshot_stack(self, stack):
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"""Creates a snapshot for given stack.
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:param stack: stack that will be used as base for snapshot
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:returns: snapshot created for given stack
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"""
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snapshot = self.clients("heat").stacks.snapshot(
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stack.id)
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utils.wait_for_status(
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stack,
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ready_statuses=["SNAPSHOT_COMPLETE"],
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failure_statuses=["SNAPSHOT_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_snapshot_timeout,
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check_interval=CONF.openstack.heat_stack_snapshot_poll_interval)
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return snapshot
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@atomic.action_timer("heat.restore_stack")
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def _restore_stack(self, stack, snapshot_id):
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"""Restores stack from given snapshot.
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:param stack: stack that will be restored from snapshot
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:param snapshot_id: id of given snapshot
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"""
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self.clients("heat").stacks.restore(stack.id, snapshot_id)
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utils.wait_for_status(
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stack,
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ready_statuses=["RESTORE_COMPLETE"],
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failure_statuses=["RESTORE_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_restore_timeout,
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check_interval=CONF.openstack.heat_stack_restore_poll_interval
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)
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@atomic.action_timer("heat.show_output")
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def _stack_show_output(self, stack, output_key):
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"""Execute output_show for specified "output_key".
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This method uses new output API call.
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:param stack: stack with output_key output.
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:param output_key: The name of the output.
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"""
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output = self.clients("heat").stacks.output_show(stack.id, output_key)
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return output
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@atomic.action_timer("heat.show_output_via_API")
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def _stack_show_output_via_API(self, stack, output_key):
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"""Execute output_show for specified "output_key".
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This method uses old way for getting output value.
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It gets whole stack object and then finds necessary "output_key".
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:param stack: stack with output_key output.
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:param output_key: The name of the output.
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"""
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# this code copy-pasted and adopted for rally from old client version
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# https://github.com/openstack/python-heatclient/blob/0.8.0/heatclient/
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# v1/shell.py#L682-L699
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stack = self.clients("heat").stacks.get(stack_id=stack.id)
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for output in stack.to_dict().get("outputs", []):
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if output["output_key"] == output_key:
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return output
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@atomic.action_timer("heat.list_output")
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def _stack_list_output(self, stack):
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"""Execute output_list for specified "stack".
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This method uses new output API call.
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:param stack: stack to call output-list.
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"""
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output_list = self.clients("heat").stacks.output_list(stack.id)
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return output_list
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@atomic.action_timer("heat.list_output_via_API")
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def _stack_list_output_via_API(self, stack):
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"""Execute output_list for specified "stack".
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This method uses old way for getting output value.
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It gets whole stack object and then prints all outputs
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belongs this stack.
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:param stack: stack to call output-list.
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"""
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# this code copy-pasted and adopted for rally from old client version
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# https://github.com/openstack/python-heatclient/blob/0.8.0/heatclient/
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# v1/shell.py#L649-L663
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stack = self.clients("heat").stacks.get(stack_id=stack.id)
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output_list = stack.to_dict()["outputs"]
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return output_list
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def _count_instances(self, stack):
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"""Count instances in a Heat stack.
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:param stack: stack to count instances in.
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"""
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return len([
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r for r in self.clients("heat").resources.list(stack.id,
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nested_depth=1)
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if r.resource_type == "OS::Nova::Server"])
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def _scale_stack(self, stack, output_key, delta):
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"""Scale a stack up or down.
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Calls the webhook given in the output value identified by
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'output_key', and waits for the stack size to change by
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'delta'.
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:param stack: stack to scale up or down
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:param output_key: The name of the output to get the URL from
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:param delta: The expected change in number of instances in
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the stack (signed int)
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"""
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num_instances = self._count_instances(stack)
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expected_instances = num_instances + delta
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LOG.debug("Scaling stack %s from %s to %s instances with %s"
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% (stack.id, num_instances, expected_instances, output_key))
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with atomic.ActionTimer(self, "heat.scale_with_%s" % output_key):
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self._stack_webhook(stack, output_key)
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utils.wait_for(
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stack,
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is_ready=lambda s: (
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self._count_instances(s) == expected_instances),
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failure_statuses=["UPDATE_FAILED", "ERROR"],
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update_resource=utils.get_from_manager(),
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timeout=CONF.openstack.heat_stack_scale_timeout,
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check_interval=CONF.openstack.heat_stack_scale_poll_interval)
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def _stack_webhook(self, stack, output_key):
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"""POST to the URL given in the output value identified by output_key.
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This can be used to scale stacks up and down, for instance.
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:param stack: stack to call a webhook on
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:param output_key: The name of the output to get the URL from
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:raises InvalidConfigException: if the output key is not found
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"""
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url = None
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for output in stack.outputs:
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if output["output_key"] == output_key:
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url = output["output_value"]
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break
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else:
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raise exceptions.InvalidConfigException(
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"No output key %(key)s found in stack %(id)s" %
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{"key": output_key, "id": stack.id})
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platform_params = self.context["env"]["spec"]["existing@openstack"]
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verify = (platform_params["https_cacert"]
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if not platform_params["https_insecure"]
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else False)
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with atomic.ActionTimer(self, "heat.%s_webhook" % output_key):
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requests.post(url, verify=verify).raise_for_status()
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