333 lines
13 KiB
Python
333 lines
13 KiB
Python
# 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 logging
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import os
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import tempfile
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import yaml
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from swiftclient import exceptions as swift_exc
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from tripleo_common.utils import swift as swiftutils
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from tripleo_common.utils import tarball
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from tripleoclient import constants
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from tripleoclient import exceptions
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from tripleoclient import utils
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from tripleoclient.workflows import base
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LOG = logging.getLogger(__name__)
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# Plan management workflows should generally be quick. However, the creation
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# of the default plan in instack has demonstrated that sometimes it can take
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# several minutes. The previous timeout of 6 minutes from Instack does not
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# seem to be sufficient anymore. Bumping this to 20 minutes. It doesn't mean
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# that it will take 20 minutes, but just that the listen for completion will
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# timeout after 20 minutes. If it takes longer than that, something is really
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# wrong.
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_WORKFLOW_TIMEOUT = 20 * 60 # 20 minutes * 60 seconds
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def _upload_templates(swift_client, container_name, tht_root, roles_file=None,
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plan_env_file=None, networks_file=None):
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"""tarball up a given directory and upload it to Swift to be extracted"""
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with tempfile.NamedTemporaryFile() as tmp_tarball:
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tarball.create_tarball(tht_root, tmp_tarball.name)
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tarball.tarball_extract_to_swift_container(
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swift_client, tmp_tarball.name, container_name)
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# Optional override of the roles_data.yaml file
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if roles_file:
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_upload_file(swift_client, container_name,
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constants.OVERCLOUD_ROLES_FILE,
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utils.rel_or_abs_path(roles_file, tht_root))
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# Optional override of the network_data.yaml file
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if networks_file:
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_upload_file(swift_client, container_name,
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constants.OVERCLOUD_NETWORKS_FILE, networks_file)
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# Optional override of the plan-environment.yaml file
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if plan_env_file:
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# TODO(jpalanis): Instead of overriding default file,
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# merging the user override plan-environment with default
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# plan-environment file will avoid explict merging issues.
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_upload_file(swift_client, container_name,
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constants.PLAN_ENVIRONMENT, plan_env_file)
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def _create_update_deployment_plan(clients, workflow, **workflow_input):
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workflow_client = clients.workflow_engine
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tripleoclients = clients.tripleoclient
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with tripleoclients.messaging_websocket() as ws:
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execution = base.start_workflow(
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workflow_client, workflow,
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workflow_input=workflow_input
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)
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for payload in base.wait_for_messages(workflow_client, ws, execution,
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_WORKFLOW_TIMEOUT):
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if 'message' in payload:
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print(payload['message'])
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return payload
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def create_deployment_plan(clients, **workflow_input):
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payload = _create_update_deployment_plan(
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clients, 'tripleo.plan_management.v1.create_deployment_plan',
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**workflow_input)
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if payload['status'] != 'SUCCESS':
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raise exceptions.WorkflowServiceError(
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'Exception creating plan: {}'.format(payload['message']))
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def delete_deployment_plan(clients, **workflow_input):
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workflow_client = clients.workflow_engine
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tripleoclients = clients.tripleoclient
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with tripleoclients.messaging_websocket() as ws:
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execution = base.start_workflow(
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workflow_client,
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'tripleo.plan_management.v1.delete_deployment_plan',
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workflow_input=workflow_input
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)
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for payload in base.wait_for_messages(workflow_client, ws, execution,
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_WORKFLOW_TIMEOUT):
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if payload.get('message'):
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print(payload['message'])
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if payload['status'] != 'SUCCESS':
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raise exceptions.WorkflowServiceError(
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'Exception deleting plan: {}'.format(payload['message']))
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def update_deployment_plan(clients, **workflow_input):
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payload = _create_update_deployment_plan(
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clients, 'tripleo.plan_management.v1.update_deployment_plan',
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**workflow_input)
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if payload['status'] != 'SUCCESS':
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raise exceptions.WorkflowServiceError(
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'Exception updating plan: {}'.format(payload['message']))
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def list_deployment_plans(clients, **workflow_input):
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workflow_client = clients.workflow_engine
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tripleoclients = clients.tripleoclient
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with tripleoclients.messaging_websocket() as ws:
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execution = base.start_workflow(
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workflow_client,
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'tripleo.plan_management.v1.list_plans',
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workflow_input=workflow_input
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)
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for payload in base.wait_for_messages(workflow_client, ws, execution,
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_WORKFLOW_TIMEOUT):
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if payload['status'] != 'SUCCESS':
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raise exceptions.WorkflowServiceError(
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'Exception listing plans: {}'.format(payload['message']))
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# return plans if the message contains plans
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if 'plans' in payload:
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return payload['plans']
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def create_container(workflow_client, **input_):
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return base.call_action(workflow_client, 'tripleo.plan.create_container',
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**input_)
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def create_plan_from_templates(clients, name, tht_root, roles_file=None,
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generate_passwords=True, plan_env_file=None,
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networks_file=None):
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workflow_client = clients.workflow_engine
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swift_client = clients.tripleoclient.object_store
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print("Creating Swift container to store the plan")
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result = create_container(workflow_client, container=name)
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if result:
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# create_container returns 'None' on success and a string with
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# the error message when failing.
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raise exceptions.PlanCreationError(
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"Unable to create plan. {}".format(result))
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print("Creating plan from template files in: {}".format(tht_root))
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_upload_templates(swift_client, name, tht_root,
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utils.rel_or_abs_path(roles_file, tht_root),
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plan_env_file, networks_file)
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try:
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create_deployment_plan(clients, container=name,
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generate_passwords=generate_passwords)
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except exceptions.WorkflowServiceError:
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swiftutils.delete_container(swift_client, name)
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raise
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def update_plan_from_templates(clients, name, tht_root, roles_file=None,
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generate_passwords=True, plan_env_file=None,
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networks_file=None, keep_env=False):
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swift_client = clients.tripleoclient.object_store
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passwords = None
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keep_file_contents = {}
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roles_file = utils.rel_or_abs_path(roles_file, tht_root)
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if keep_env:
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# Dict items are (remote_name, local_name). local_name may be
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# None in which case we only try to load from Swift (remote).
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keep_map = {
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constants.PLAN_ENVIRONMENT: plan_env_file,
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constants.USER_ENVIRONMENT: None,
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constants.OVERCLOUD_ROLES_FILE: roles_file,
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constants.OVERCLOUD_NETWORKS_FILE: networks_file,
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}
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# Also try to fetch any files under 'user-files/'
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# dir. local_name is always None for these
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keep_map.update(dict(map(
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lambda path: (path, None),
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_list_user_files(swift_client, name))))
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keep_file_contents = _load_content_or_file(
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swift_client, name, keep_map)
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else:
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passwords = _load_passwords(swift_client, name)
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# TODO(dmatthews): Removing the existing plan files should probably be
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# a Mistral action.
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print("Removing the current plan files")
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swiftutils.empty_container(swift_client, name)
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# Until we have a well defined plan update workflow in
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# tripleo-common we need to manually reset the environments and
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# parameter_defaults here. This is to ensure that no environments
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# are in the plan environment but not actually in swift.
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# See bug: https://bugs.launchpad.net/tripleo/+bug/1623431
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#
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# Currently this is being done incidentally because we overwrite
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# the existing plan-environment.yaml with the skeleton one in THT
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# when updating the templates. Once LP#1623431 is resolved we may
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# need to special-case plan-environment.yaml to avoid this.
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print("Uploading new plan files")
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if keep_env:
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_upload_templates(swift_client, name, tht_root)
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for filename in keep_file_contents:
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_upload_file_content(swift_client, name, filename,
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keep_file_contents[filename])
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else:
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_upload_templates(swift_client, name, tht_root, roles_file,
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plan_env_file, networks_file)
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_update_passwords(swift_client, name, passwords)
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update_deployment_plan(clients, container=name,
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generate_passwords=generate_passwords,
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source_url=None)
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def _load_content_or_file(swift_client, container, remote_and_local_map):
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# mapping (remote_name, content)
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file_contents = {}
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plan_files = _list_plan_files(swift_client, container)
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for remote_name in remote_and_local_map:
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LOG.debug("Attempting to load {0}".format(remote_name))
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local_name = remote_and_local_map[remote_name]
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# it's possible that the file doesn't exist in Swift and isn't
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# passed on filesystem, in which case we won't do anything
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content = None
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# local override takes priority
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if local_name:
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LOG.debug("Using provided file {0}".format(local_name))
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with open(os.path.abspath(local_name)) as local_content:
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content = local_content.read()
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elif remote_name in plan_files:
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LOG.debug("Preserving plan file {0}".format(remote_name))
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content = swift_client.get_object(container, remote_name)[1]
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if content:
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file_contents[remote_name] = content
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return file_contents
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def _list_user_files(swift_client, container):
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return list(filter(lambda path: path.startswith('user-files/'),
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_list_plan_files(swift_client, container)))
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def _list_plan_files(swift_client, container):
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return list(map(lambda i: i['name'],
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swift_client.get_container(
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container, full_listing=True)[1]))
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def _upload_file(swift_client, container, filename, local_filename):
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with open(local_filename) as file_content:
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swift_client.put_object(container, filename, file_content)
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# short function, just alias for interface parity with _upload_plan_file
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def _upload_file_content(swift_client, container, filename, content):
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LOG.debug("Uploading {0} to plan".format(filename))
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swift_client.put_object(container, filename, content)
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def _load_passwords(swift_client, name):
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plan_env = yaml.safe_load(swift_client.get_object(
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name, constants.PLAN_ENVIRONMENT)[1])
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return plan_env['passwords']
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def _update_passwords(swift_client, name, passwords):
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# Update the plan environment with the generated passwords. This
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# will be solved more elegantly once passwords are saved in a
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# separate environment (https://review.openstack.org/#/c/467909/)
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if passwords:
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try:
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env = yaml.safe_load(swift_client.get_object(
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name, constants.PLAN_ENVIRONMENT)[1])
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env['passwords'] = passwords
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swift_client.put_object(name,
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constants.PLAN_ENVIRONMENT,
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yaml.safe_dump(env,
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default_flow_style=False))
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except swift_exc.ClientException:
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# The plan likely has not been migrated to using Swift yet.
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LOG.debug("Could not find plan environment %s in %s",
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constants.PLAN_ENVIRONMENT, name)
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def export_deployment_plan(clients, **workflow_input):
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workflow_client = clients.workflow_engine
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tripleoclients = clients.tripleoclient
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with tripleoclients.messaging_websocket() as ws:
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execution = base.start_workflow(
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workflow_client,
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'tripleo.plan_management.v1.export_deployment_plan',
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workflow_input=workflow_input
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)
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for payload in base.wait_for_messages(workflow_client, ws, execution,
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_WORKFLOW_TIMEOUT):
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if 'message' in payload:
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print(payload['message'])
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if payload['status'] == 'SUCCESS':
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return payload['tempurl']
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else:
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raise exceptions.WorkflowServiceError(
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'Exception exporting plan: {}'.format(payload['message']))
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