rally-openstack/rally_openstack/scenarios/heat/utils.py
prazumovsky ac0a3ce67c Add verify option to scale webhook request
Add verify option to post request in scale_webhook method
to fix SSLError certificate verify failed.

Closes-bug: #1808179
Change-Id: I1a4a226b9dba9de246f5e94a473f8c4f3e37d379
2018-12-13 16:11:37 +04:00

333 lines
13 KiB
Python

# Copyright 2014: Mirantis Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from rally.common import cfg
from rally.common import logging
from rally import exceptions
from rally.task import atomic
from rally.task import utils
import requests
from rally_openstack import scenario
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
class HeatScenario(scenario.OpenStackScenario):
"""Base class for Heat scenarios with basic atomic actions."""
@atomic.action_timer("heat.list_stacks")
def _list_stacks(self):
"""Return user stack list."""
return list(self.clients("heat").stacks.list())
@atomic.action_timer("heat.create_stack")
def _create_stack(self, template, parameters=None,
files=None, environment=None):
"""Create a new stack.
:param template: template with stack description.
:param parameters: template parameters used during stack creation
:param files: additional files used in template
:param environment: stack environment definition
:returns: object of stack
"""
stack_name = self.generate_random_name()
kw = {
"stack_name": stack_name,
"disable_rollback": True,
"parameters": parameters or {},
"template": template,
"files": files or {},
"environment": environment or {}
}
# heat client returns body instead manager object, so we should
# get manager object using stack_id
stack_id = self.clients("heat").stacks.create(**kw)["stack"]["id"]
stack = self.clients("heat").stacks.get(stack_id)
self.sleep_between(CONF.openstack.heat_stack_create_prepoll_delay)
stack = utils.wait_for_status(
stack,
ready_statuses=["CREATE_COMPLETE"],
failure_statuses=["CREATE_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_create_timeout,
check_interval=CONF.openstack.heat_stack_create_poll_interval)
return stack
@atomic.action_timer("heat.update_stack")
def _update_stack(self, stack, template, parameters=None,
files=None, environment=None):
"""Update an existing stack
:param stack: stack that need to be updated
:param template: Updated template
:param parameters: template parameters for stack update
:param files: additional files used in template
:param environment: stack environment definition
:returns: object of updated stack
"""
kw = {
"stack_name": stack.stack_name,
"disable_rollback": True,
"parameters": parameters or {},
"template": template,
"files": files or {},
"environment": environment or {}
}
self.clients("heat").stacks.update(stack.id, **kw)
self.sleep_between(CONF.openstack.heat_stack_update_prepoll_delay)
stack = utils.wait_for_status(
stack,
ready_statuses=["UPDATE_COMPLETE"],
failure_statuses=["UPDATE_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_update_timeout,
check_interval=CONF.openstack.heat_stack_update_poll_interval)
return stack
@atomic.action_timer("heat.check_stack")
def _check_stack(self, stack):
"""Check given stack.
Check the stack and stack resources.
:param stack: stack that needs to be checked
"""
self.clients("heat").actions.check(stack.id)
utils.wait_for_status(
stack,
ready_statuses=["CHECK_COMPLETE"],
failure_statuses=["CHECK_FAILED", "ERROR"],
update_resource=utils.get_from_manager(["CHECK_FAILED"]),
timeout=CONF.openstack.heat_stack_check_timeout,
check_interval=CONF.openstack.heat_stack_check_poll_interval)
@atomic.action_timer("heat.delete_stack")
def _delete_stack(self, stack):
"""Delete given stack.
Returns when the stack is actually deleted.
:param stack: stack object
"""
stack.delete()
utils.wait_for_status(
stack,
ready_statuses=["DELETE_COMPLETE"],
failure_statuses=["DELETE_FAILED", "ERROR"],
check_deletion=True,
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_delete_timeout,
check_interval=CONF.openstack.heat_stack_delete_poll_interval)
@atomic.action_timer("heat.suspend_stack")
def _suspend_stack(self, stack):
"""Suspend given stack.
:param stack: stack that needs to be suspended
"""
self.clients("heat").actions.suspend(stack.id)
utils.wait_for_status(
stack,
ready_statuses=["SUSPEND_COMPLETE"],
failure_statuses=["SUSPEND_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_suspend_timeout,
check_interval=CONF.openstack.heat_stack_suspend_poll_interval)
@atomic.action_timer("heat.resume_stack")
def _resume_stack(self, stack):
"""Resume given stack.
:param stack: stack that needs to be resumed
"""
self.clients("heat").actions.resume(stack.id)
utils.wait_for_status(
stack,
ready_statuses=["RESUME_COMPLETE"],
failure_statuses=["RESUME_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_resume_timeout,
check_interval=CONF.openstack.heat_stack_resume_poll_interval)
@atomic.action_timer("heat.snapshot_stack")
def _snapshot_stack(self, stack):
"""Creates a snapshot for given stack.
:param stack: stack that will be used as base for snapshot
:returns: snapshot created for given stack
"""
snapshot = self.clients("heat").stacks.snapshot(
stack.id)
utils.wait_for_status(
stack,
ready_statuses=["SNAPSHOT_COMPLETE"],
failure_statuses=["SNAPSHOT_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_snapshot_timeout,
check_interval=CONF.openstack.heat_stack_snapshot_poll_interval)
return snapshot
@atomic.action_timer("heat.restore_stack")
def _restore_stack(self, stack, snapshot_id):
"""Restores stack from given snapshot.
:param stack: stack that will be restored from snapshot
:param snapshot_id: id of given snapshot
"""
self.clients("heat").stacks.restore(stack.id, snapshot_id)
utils.wait_for_status(
stack,
ready_statuses=["RESTORE_COMPLETE"],
failure_statuses=["RESTORE_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_restore_timeout,
check_interval=CONF.openstack.heat_stack_restore_poll_interval
)
@atomic.action_timer("heat.show_output")
def _stack_show_output(self, stack, output_key):
"""Execute output_show for specified "output_key".
This method uses new output API call.
:param stack: stack with output_key output.
:param output_key: The name of the output.
"""
output = self.clients("heat").stacks.output_show(stack.id, output_key)
return output
@atomic.action_timer("heat.show_output_via_API")
def _stack_show_output_via_API(self, stack, output_key):
"""Execute output_show for specified "output_key".
This method uses old way for getting output value.
It gets whole stack object and then finds necessary "output_key".
:param stack: stack with output_key output.
:param output_key: The name of the output.
"""
# this code copy-pasted and adopted for rally from old client version
# https://github.com/openstack/python-heatclient/blob/0.8.0/heatclient/
# v1/shell.py#L682-L699
stack = self.clients("heat").stacks.get(stack_id=stack.id)
for output in stack.to_dict().get("outputs", []):
if output["output_key"] == output_key:
return output
@atomic.action_timer("heat.list_output")
def _stack_list_output(self, stack):
"""Execute output_list for specified "stack".
This method uses new output API call.
:param stack: stack to call output-list.
"""
output_list = self.clients("heat").stacks.output_list(stack.id)
return output_list
@atomic.action_timer("heat.list_output_via_API")
def _stack_list_output_via_API(self, stack):
"""Execute output_list for specified "stack".
This method uses old way for getting output value.
It gets whole stack object and then prints all outputs
belongs this stack.
:param stack: stack to call output-list.
"""
# this code copy-pasted and adopted for rally from old client version
# https://github.com/openstack/python-heatclient/blob/0.8.0/heatclient/
# v1/shell.py#L649-L663
stack = self.clients("heat").stacks.get(stack_id=stack.id)
output_list = stack.to_dict()["outputs"]
return output_list
def _count_instances(self, stack):
"""Count instances in a Heat stack.
:param stack: stack to count instances in.
"""
return len([
r for r in self.clients("heat").resources.list(stack.id,
nested_depth=1)
if r.resource_type == "OS::Nova::Server"])
def _scale_stack(self, stack, output_key, delta):
"""Scale a stack up or down.
Calls the webhook given in the output value identified by
'output_key', and waits for the stack size to change by
'delta'.
:param stack: stack to scale up or down
:param output_key: The name of the output to get the URL from
:param delta: The expected change in number of instances in
the stack (signed int)
"""
num_instances = self._count_instances(stack)
expected_instances = num_instances + delta
LOG.debug("Scaling stack %s from %s to %s instances with %s"
% (stack.id, num_instances, expected_instances, output_key))
with atomic.ActionTimer(self, "heat.scale_with_%s" % output_key):
self._stack_webhook(stack, output_key)
utils.wait_for(
stack,
is_ready=lambda s: (
self._count_instances(s) == expected_instances),
failure_statuses=["UPDATE_FAILED", "ERROR"],
update_resource=utils.get_from_manager(),
timeout=CONF.openstack.heat_stack_scale_timeout,
check_interval=CONF.openstack.heat_stack_scale_poll_interval)
def _stack_webhook(self, stack, output_key):
"""POST to the URL given in the output value identified by output_key.
This can be used to scale stacks up and down, for instance.
:param stack: stack to call a webhook on
:param output_key: The name of the output to get the URL from
:raises InvalidConfigException: if the output key is not found
"""
url = None
for output in stack.outputs:
if output["output_key"] == output_key:
url = output["output_value"]
break
else:
raise exceptions.InvalidConfigException(
"No output key %(key)s found in stack %(id)s" %
{"key": output_key, "id": stack.id})
platform_params = self.context["env"]["spec"]["existing@openstack"]
verify = (platform_params["https_cacert"]
if not platform_params["https_insecure"]
else False)
with atomic.ActionTimer(self, "heat.%s_webhook" % output_key):
requests.post(url, verify=verify).raise_for_status()