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# Copyright 2014 - Mirantis, Inc.
# Copyright 2015 - StackStorm, 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.
#
import logging
import os.path
from oslo_serialization import jsonutils
from osc_lib.command import command
from mistralclient.commands.v2 import base
from mistralclient.commands.v2 import executions
from mistralclient import utils
LOG = logging.getLogger(__name__)
class TaskFormatter(base.MistralFormatter):
COLUMNS = [
('id', 'ID'),
('name', 'Name'),
('workflow_name', 'Workflow name'),
('workflow_namespace', 'Workflow namespace'),
('workflow_execution_id', 'Workflow Execution ID'),
('state', 'State'),
('state_info', 'State info'),
('created_at', 'Created at'),
('started_at', 'Started at'),
('finished_at', 'Finished at'),
('duration', 'Duration', True),
]
@staticmethod
def format(task=None, lister=False):
if task:
state_info = (task.state_info if not lister
else base.cut(task.state_info))
duration = base.get_duration_str(task.started_at, task.finished_at)
data = (
task.id,
task.name,
task.workflow_name,
task.workflow_namespace,
task.workflow_execution_id,
task.state,
state_info,
task.created_at,
task.started_at or '<none>',
task.finished_at or '<none>',
duration
)
else:
data = (tuple('' for _ in range(len(TaskFormatter.COLUMNS))),)
return TaskFormatter.headings(), data
class List(base.MistralExecutionLister):
"""List all tasks."""
def get_parser(self, prog_name):
parser = super(List, self).get_parser(prog_name)
parser.add_argument(
'workflow_execution',
nargs='?',
help='Workflow execution ID associated with list of Tasks.'
)
return parser
def _get_format_function(self):
return TaskFormatter.format_list
def _get_resources(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
return mistral_client.tasks.list(
parsed_args.workflow_execution,
marker=parsed_args.marker,
limit=parsed_args.limit,
sort_keys=parsed_args.sort_keys,
sort_dirs=parsed_args.sort_dirs,
fields=TaskFormatter.fields(),
**base.get_filters(parsed_args)
)
class Get(command.ShowOne):
"""Show specific task."""
def get_parser(self, prog_name):
parser = super(Get, self).get_parser(prog_name)
parser.add_argument('task', help='Task identifier')
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
execution = mistral_client.tasks.get(parsed_args.task)
return TaskFormatter.format(execution)
class GetResult(command.Command):
"""Show task output data."""
def get_parser(self, prog_name):
parser = super(GetResult, self).get_parser(prog_name)
parser.add_argument(
'id',
help='Task ID')
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
result = mistral_client.tasks.get(parsed_args.id).result
try:
result = jsonutils.loads(result)
result = jsonutils.dumps(result, indent=4) + "\n"
except Exception:
LOG.debug("Task result is not JSON.")
self.app.stdout.write(result or "\n")
class GetPublished(command.Command):
"""Show task published variables."""
def get_parser(self, prog_name):
parser = super(GetPublished, self).get_parser(prog_name)
parser.add_argument(
'id',
help='Task ID')
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
res = mistral_client.tasks.get(parsed_args.id)
published = res.published
published_glob = res.published_global \
if hasattr(res, 'published_global') else None
try:
published = jsonutils.loads(published)
published = jsonutils.dumps(published, indent=4) + "\n"
if published_glob:
published_glob = jsonutils.loads(published_glob)
published += jsonutils.dumps(published_glob, indent=4) + "\n"
except Exception:
LOG.debug("Task result is not JSON.")
self.app.stdout.write(published or "\n")
class Rerun(command.ShowOne):
"""Rerun an existing task."""
def get_parser(self, prog_name):
parser = super(Rerun, self).get_parser(prog_name)
parser.add_argument(
'id',
help='Task identifier'
)
parser.add_argument(
'--resume',
action='store_true',
dest='resume',
default=False,
help=('rerun only failed or unstarted action '
'executions for with-items task')
)
parser.add_argument(
'-e',
'--env',
dest='env',
help='Environment variables'
)
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
env = (
utils.load_file(parsed_args.env)
if parsed_args.env and os.path.isfile(parsed_args.env)
else utils.load_content(parsed_args.env)
)
execution = mistral_client.tasks.rerun(
parsed_args.id,
reset=(not parsed_args.resume),
env=env
)
return TaskFormatter.format(execution)
class SubExecutionsLister(executions.SubExecutionsBaseLister):
def _get_format_function(self):
return executions.ExecutionFormatter.format_list
def _get_resources_function(self):
mistral_client = self.app.client_manager.workflow_engine
return mistral_client.tasks.get_task_sub_executions
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