684 lines
25 KiB
Python
684 lines
25 KiB
Python
# Copyright 2016 Red Hat, 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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import copy
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import json
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import logging
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import uuid
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from heatclient import exc as heat_exc
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from mistral_lib import actions
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from swiftclient import exceptions as swiftexceptions
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from tripleo_common.actions import base
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from tripleo_common.actions import templates
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from tripleo_common import constants
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from tripleo_common import exception
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from tripleo_common.utils import nodes
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from tripleo_common.utils import parameters
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from tripleo_common.utils import passwords as password_utils
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from tripleo_common.utils import plan as plan_utils
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LOG = logging.getLogger(__name__)
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class GetParametersAction(templates.ProcessTemplatesAction):
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"""Gets list of available heat parameters."""
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def run(self, context):
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cached = self.cache_get(context,
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self.container,
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"tripleo.parameters.get")
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if cached is not None:
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return cached
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processed_data = super(GetParametersAction, self).run(context)
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# If we receive a 'Result' instance it is because the parent action
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# had an error.
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if isinstance(processed_data, actions.Result):
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return processed_data
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processed_data['show_nested'] = True
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# respect previously user set param values
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swift = self.get_object_client(context)
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heat = self.get_orchestration_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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params = env.get('parameter_defaults')
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fields = {
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'template': processed_data['template'],
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'files': processed_data['files'],
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'environment': processed_data['environment'],
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'show_nested': True
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}
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result = {
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'heat_resource_tree': heat.stacks.validate(**fields),
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'environment_parameters': params,
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}
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self.cache_set(context,
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self.container,
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"tripleo.parameters.get",
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result)
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return result
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class ResetParametersAction(base.TripleOAction):
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"""Provides method to delete user set parameters."""
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def __init__(self, container=constants.DEFAULT_CONTAINER_NAME,
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key=constants.DEFAULT_PLAN_ENV_KEY):
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super(ResetParametersAction, self).__init__()
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self.container = container
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self.key = key
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def run(self, context):
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swift = self.get_object_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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try:
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plan_utils.update_in_env(swift, env, self.key,
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delete_key=True)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error updating environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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self.cache_delete(context,
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self.container,
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"tripleo.parameters.get")
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return env
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class UpdateParametersAction(templates.ProcessTemplatesAction):
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"""Updates plan environment with parameters."""
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def __init__(self, parameters,
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container=constants.DEFAULT_CONTAINER_NAME,
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key=constants.DEFAULT_PLAN_ENV_KEY):
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super(UpdateParametersAction, self).__init__()
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self.container = container
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self.parameters = parameters
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self.key = key
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def run(self, context):
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swift = self.get_object_client(context)
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heat = self.get_orchestration_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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saved_env = copy.deepcopy(env)
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try:
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plan_utils.update_in_env(swift, env, self.key,
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self.parameters)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error updating environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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processed_data = super(UpdateParametersAction, self).run(context)
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# If we receive a 'Result' instance it is because the parent action
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# had an error.
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if isinstance(processed_data, actions.Result):
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return processed_data
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processed_data['show_nested'] = True
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env = plan_utils.get_env(swift, self.container)
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params = env.get('parameter_defaults')
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fields = {
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'template': processed_data['template'],
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'files': processed_data['files'],
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'environment': processed_data['environment'],
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'show_nested': True
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}
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try:
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result = {
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'heat_resource_tree': heat.stacks.validate(**fields),
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'environment_parameters': params,
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}
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# Validation passes so the old cache gets replaced.
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self.cache_set(context,
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self.container,
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"tripleo.parameters.get",
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result)
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if result['heat_resource_tree']:
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flattened = {'resources': {}, 'parameters': {}}
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_flat_it(flattened, 'Root',
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result['heat_resource_tree'])
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result['heat_resource_tree'] = flattened
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except heat_exc.HTTPException as err:
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LOG.debug("Validation failed rebuilding saved env")
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# There has been an error validating we must reprocess the
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# templates with the saved working env
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plan_utils.put_env(swift, saved_env)
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env = saved_env
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processed_data = super(UpdateParametersAction, self).run(context)
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err_msg = ("Error validating environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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LOG.debug("Validation worked new env is saved")
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return result
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class UpdateRoleParametersAction(UpdateParametersAction):
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"""Updates role related parameters in plan environment ."""
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def __init__(self, role, container=constants.DEFAULT_CONTAINER_NAME):
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super(UpdateRoleParametersAction, self).__init__(parameters=None,
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container=container)
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self.role = role
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def run(self, context):
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baremetal_client = self.get_baremetal_client(context)
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compute_client = self.get_compute_client(context)
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self.parameters = parameters.set_count_and_flavor_params(
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self.role, baremetal_client, compute_client)
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return super(UpdateRoleParametersAction, self).run(context)
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class GeneratePasswordsAction(base.TripleOAction):
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"""Generates passwords needed for Overcloud deployment
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This method generates passwords and ensures they are stored in the
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plan environment. This method respects previously generated passwords and
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adds new passwords as necessary.
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"""
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def __init__(self, container=constants.DEFAULT_CONTAINER_NAME):
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super(GeneratePasswordsAction, self).__init__()
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self.container = container
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def run(self, context):
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heat = self.get_orchestration_client(context)
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swift = self.get_object_client(context)
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mistral = self.get_workflow_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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try:
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stack_env = heat.stacks.environment(
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stack_id=self.container)
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# legacy heat resource names from overcloud.yaml
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# We don't modify these to avoid changing defaults
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for pw_res in constants.LEGACY_HEAT_PASSWORD_RESOURCE_NAMES:
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try:
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res = heat.resources.get(self.container, pw_res)
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param_defaults = stack_env.get('parameter_defaults', {})
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param_defaults[pw_res] = res.attributes['value']
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except heat_exc.HTTPNotFound:
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LOG.debug('Heat resouce not found: %s' % pw_res)
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pass
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except heat_exc.HTTPNotFound:
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stack_env = None
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passwords = password_utils.generate_passwords(mistral, stack_env)
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# if passwords don't yet exist in plan environment
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if 'passwords' not in env:
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env['passwords'] = {}
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# ensure all generated passwords are present in plan env,
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# but respect any values previously generated and stored
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for name, password in passwords.items():
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if name not in env['passwords']:
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env['passwords'][name] = password
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try:
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plan_utils.put_env(swift, env)
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except swiftexceptions.ClientException as err:
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err_msg = "Error uploading to container: %s" % err
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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self.cache_delete(context,
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self.container,
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"tripleo.parameters.get")
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return env['passwords']
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class GetPasswordsAction(base.TripleOAction):
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"""Get passwords from the environment
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This method returns the list passwords which are used for the deployment.
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It will return a merged list of user provided passwords and generated
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passwords, giving priority to the user provided passwords.
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"""
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def __init__(self, container=constants.DEFAULT_CONTAINER_NAME):
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super(GetPasswordsAction, self).__init__()
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self.container = container
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def run(self, context):
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swift = self.get_object_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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parameter_defaults = env.get('parameter_defaults', {})
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passwords = env.get('passwords', {})
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return self._get_overriden_passwords(passwords, parameter_defaults)
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def _get_overriden_passwords(self, env_passwords, parameter_defaults):
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for name in constants.PASSWORD_PARAMETER_NAMES:
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if name in parameter_defaults:
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env_passwords[name] = parameter_defaults[name]
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return env_passwords
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class GenerateFencingParametersAction(base.TripleOAction):
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"""Generates fencing configuration for a deployment.
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:param nodes_json: list of nodes & attributes in json format
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:param os_auth: dictionary of OS client auth data (if using pxe_ssh)
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:param fence_action: action to take when fencing nodes
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:param delay: time to wait before taking fencing action
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:param ipmi_level: IPMI user level to use
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:param ipmi_cipher: IPMI cipher suite to use
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:param ipmi_lanplus: whether to use IPMIv2.0
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"""
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def __init__(self, nodes_json, os_auth, fence_action, delay,
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ipmi_level, ipmi_cipher, ipmi_lanplus):
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super(GenerateFencingParametersAction, self).__init__()
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self.nodes_json = nodes_json
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self.os_auth = os_auth
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self.fence_action = fence_action
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self.delay = delay
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self.ipmi_level = ipmi_level
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self.ipmi_cipher = ipmi_cipher
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self.ipmi_lanplus = ipmi_lanplus
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def run(self, context):
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"""Returns the parameters for fencing controller nodes"""
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hostmap = nodes.generate_hostmap(self.get_baremetal_client(context),
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self.get_compute_client(context))
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fence_params = {"EnableFencing": True, "FencingConfig": {}}
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devices = []
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for node in self.nodes_json:
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node_data = {}
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params = {}
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if "mac" in node:
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# Not all Ironic drivers present a MAC address, so we only
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# capture it if it's present
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mac_addr = node["mac"][0]
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node_data["host_mac"] = mac_addr
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# If the MAC isn't in the hostmap, this node hasn't been
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# provisioned, so no fencing parameters are necessary
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if mac_addr not in hostmap:
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continue
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# Build up fencing parameters based on which Ironic driver this
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# node is using
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if node["pm_type"] == "pxe_ssh":
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# Ironic fencing driver
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node_data["agent"] = "fence_ironic"
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if self.fence_action:
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params["action"] = self.fence_action
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params["auth_url"] = self.os_auth["auth_url"]
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params["login"] = self.os_auth["login"]
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params["passwd"] = self.os_auth["passwd"]
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params["tenant_name"] = self.os_auth["tenant_name"]
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params["pcmk_host_map"] = "%(compute_name)s:%(bm_name)s" % (
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{"compute_name": hostmap[mac_addr]["compute_name"],
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"bm_name": hostmap[mac_addr]["baremetal_name"]})
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if self.delay:
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params["delay"] = self.delay
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elif (node['pm_type'] == 'ipmi' or node["pm_type"].split('_')[1] in
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("ipmitool", "ilo", "drac")):
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# IPMI fencing driver
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node_data["agent"] = "fence_ipmilan"
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if self.fence_action:
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params["action"] = self.fence_action
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params["ipaddr"] = node["pm_addr"]
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params["passwd"] = node["pm_password"]
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params["login"] = node["pm_user"]
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params["pcmk_host_list"] = hostmap[mac_addr]["compute_name"]
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if "pm_port" in node:
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params["ipport"] = node["pm_port"]
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if self.ipmi_lanplus:
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params["lanplus"] = self.ipmi_lanplus
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if self.delay:
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params["delay"] = self.delay
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if self.ipmi_cipher:
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params["cipher"] = self.ipmi_cipher
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if self.ipmi_level:
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params["privlvl"] = self.ipmi_level
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else:
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error = ("Unable to generate fencing parameters for %s" %
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node["pm_type"])
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raise ValueError(error)
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node_data["params"] = params
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devices.append(node_data)
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fence_params["FencingConfig"]["devices"] = devices
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return {"parameter_defaults": fence_params}
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class GetFlattenedParametersAction(GetParametersAction):
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"""Get the heat stack tree and parameters in flattened structure.
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This method validates the stack of the container and returns the
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parameters and the heat stack tree. The heat stack tree is flattened
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for easy consumption.
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"""
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def __init__(self, container=constants.DEFAULT_CONTAINER_NAME):
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super(GetFlattenedParametersAction, self).__init__(container)
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def run(self, context):
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# process all plan files and create or update a stack
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processed_data = super(GetFlattenedParametersAction, self).run(context)
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# If we receive a 'Result' instance it is because the parent action
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# had an error.
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if isinstance(processed_data, actions.Result):
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return processed_data
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if processed_data['heat_resource_tree']:
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flattened = {'resources': {}, 'parameters': {}}
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_flat_it(flattened, 'Root',
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processed_data['heat_resource_tree'])
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processed_data['heat_resource_tree'] = flattened
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return processed_data
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def _process_params(flattened, params):
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for item in params:
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if item not in flattened['parameters']:
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param_obj = {}
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for key, value in params.get(item).items():
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camel_case_key = key[0].lower() + key[1:]
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param_obj[camel_case_key] = value
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param_obj['name'] = item
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flattened['parameters'][item] = param_obj
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return list(params)
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def _flat_it(flattened, name, data):
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key = str(uuid.uuid4())
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value = {}
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value.update({
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'name': name,
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'id': key
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})
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if 'Type' in data:
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value['type'] = data['Type']
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if 'Description' in data:
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value['description'] = data['Description']
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if 'Parameters' in data:
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value['parameters'] = _process_params(flattened,
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data['Parameters'])
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if 'ParameterGroups' in data:
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value['parameter_groups'] = data['ParameterGroups']
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if 'NestedParameters' in data:
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nested = data['NestedParameters']
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nested_ids = []
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for nested_key in nested.keys():
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nested_data = _flat_it(flattened, nested_key,
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nested.get(nested_key))
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# nested_data will always have one key (and only one)
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nested_ids.append(list(nested_data)[0])
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value['resources'] = nested_ids
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flattened['resources'][key] = value
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return {key: value}
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class GetProfileOfFlavorAction(base.TripleOAction):
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"""Gets the profile name for a given flavor name.
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Need flavor object to get profile name since get_keys method is
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not available for external access. so we have created an action
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to get profile name from flavor name.
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:param flavor_name: Flavor name
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:return: profile name
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"""
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def __init__(self, flavor_name):
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super(GetProfileOfFlavorAction, self).__init__()
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self.flavor_name = flavor_name
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def run(self, context):
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compute_client = self.get_compute_client(context)
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try:
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return parameters.get_profile_of_flavor(self.flavor_name,
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compute_client)
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except exception.DeriveParamsError as err:
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LOG.error('Derive Params Error: %s', err)
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return actions.Result(error=str(err))
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class RotateFernetKeysAction(GetPasswordsAction):
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"""Rotate fernet keys from the environment
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This method rotates the fernet keys that are saved in the environment, in
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the passwords parameter.
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"""
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def __init__(self, container=constants.DEFAULT_CONTAINER_NAME):
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super(RotateFernetKeysAction, self).__init__()
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self.container = container
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def run(self, context):
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swift = self.get_object_client(context)
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try:
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env = plan_utils.get_env(swift, self.container)
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except swiftexceptions.ClientException as err:
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err_msg = ("Error retrieving environment for plan %s: %s" % (
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self.container, err))
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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parameter_defaults = env.get('parameter_defaults', {})
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passwords = self._get_overriden_passwords(env.get('passwords', {}),
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parameter_defaults)
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next_index = self.get_next_index(passwords['KeystoneFernetKeys'])
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keys_map = self.rotate_keys(passwords['KeystoneFernetKeys'],
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next_index)
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max_keys = self.get_max_keys_value(parameter_defaults)
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keys_map = self.purge_excess_keys(max_keys, keys_map)
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env['passwords']['KeystoneFernetKeys'] = keys_map
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try:
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plan_utils.put_env(swift, env)
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except swiftexceptions.ClientException as err:
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err_msg = "Error uploading to container: %s" % err
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LOG.exception(err_msg)
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return actions.Result(error=err_msg)
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self.cache_delete(context,
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self.container,
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"tripleo.parameters.get")
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return keys_map
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@staticmethod
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def get_key_index_from_path(path):
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return int(path[path.rfind('/') + 1:])
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def get_next_index(self, keys_map):
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return self.get_key_index_from_path(
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max(keys_map, key=self.get_key_index_from_path)) + 1
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def get_key_path(self, index):
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return password_utils.KEYSTONE_FERNET_REPO + str(index)
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def rotate_keys(self, keys_map, next_index):
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next_index_path = self.get_key_path(next_index)
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zero_index_path = self.get_key_path(0)
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# promote staged key to be new primary
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keys_map[next_index_path] = keys_map[zero_index_path]
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# Set new staged key
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keys_map[zero_index_path] = {
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'content': password_utils.create_keystone_credential()}
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return keys_map
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def get_max_keys_value(self, parameter_defaults):
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# The number of max keys should always be positive. The minimum amount
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# of keys is 3.
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return max(parameter_defaults.get('KeystoneFernetMaxActiveKeys', 5), 3)
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def purge_excess_keys(self, max_keys, keys_map):
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current_repo_size = len(keys_map)
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if current_repo_size <= max_keys:
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return keys_map
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key_paths = sorted(keys_map.keys(), key=self.get_key_index_from_path)
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keys_to_be_purged = current_repo_size - max_keys
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for key_path in key_paths[1:keys_to_be_purged + 1]:
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del keys_map[key_path]
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return keys_map
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class GetNetworkConfigAction(templates.ProcessTemplatesAction):
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"""Gets network configuration details from available heat parameters."""
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def __init__(self, role_name, container=constants.DEFAULT_CONTAINER_NAME):
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super(GetNetworkConfigAction, self).__init__(container=container)
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self.role_name = role_name
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def run(self, context):
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processed_data = super(GetNetworkConfigAction, self).run(context)
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# If we receive a 'Result' instance it is because the parent action
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# had an error.
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if isinstance(processed_data, actions.Result):
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return processed_data
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# stacks.preview method raises validation message if stack is
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# already deployed. here renaming container to get preview data.
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container_temp = self.container + "-TEMP"
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fields = {
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'template': processed_data['template'],
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'files': processed_data['files'],
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'environment': processed_data['environment'],
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'stack_name': container_temp,
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}
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orc = self.get_orchestration_client(context)
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preview_data = orc.stacks.preview(**fields)
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try:
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result = self.get_network_config(preview_data, container_temp,
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self.role_name)
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return result
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except exception.DeriveParamsError as err:
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LOG.exception('Derive Params Error: %s' % err)
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return actions.Result(error=str(err))
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def get_network_config(self, preview_data, stack_name, role_name):
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result = None
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if preview_data:
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for res in preview_data.resources:
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net_script = self.process_preview_list(res,
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stack_name,
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role_name)
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if net_script:
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ns_len = len(net_script)
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start_index = (net_script.find(
|
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"echo '{\"network_config\"", 0, ns_len) + 6)
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end_index = net_script.find("'", start_index, ns_len)
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if (end_index > start_index):
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net_config = net_script[start_index:end_index]
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if net_config:
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result = json.loads(net_config)
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break
|
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if not result:
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err_msg = ("Unable to determine network config for role '%s'."
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|
% self.role_name)
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raise exception.DeriveParamsError(err_msg)
|
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|
|
return result
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def process_preview_list(self, res, stack_name, role_name):
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if type(res) == list:
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|
for item in res:
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out = self.process_preview_list(item, stack_name, role_name)
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if out:
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return out
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elif type(res) == dict:
|
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res_stack_name = stack_name + '-' + role_name
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if res['resource_name'] == "OsNetConfigImpl" and \
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res['resource_identity'] and \
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res_stack_name in res['resource_identity']['stack_name']:
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return res['properties']['config']
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return None
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