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# Copyright 2014 - Mirantis, Inc.
# Copyright 2015 - StackStorm, Inc.
#
# 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 argparse
from cliff import command
from cliff import show
from mistralclient.commands.v2 import base
from mistralclient import utils
class WorkflowFormatter(base.MistralFormatter):
COLUMNS = [
('id', 'ID'),
('name', 'Name'),
('namespace', 'Namespace'),
('project_id', 'Project ID'),
('tags', 'Tags'),
('input', 'Input'),
('scope', 'Scope'),
('created_at', 'Created at'),
('updated_at', 'Updated at')
]
@staticmethod
def format(workflow=None, lister=False):
if workflow:
tags = getattr(workflow, 'tags', None) or []
data = (
workflow.id,
workflow.name,
workflow.namespace,
workflow.project_id,
base.wrap(', '.join(tags)) or '<none>',
workflow.input if not lister else base.cut(workflow.input),
workflow.scope,
workflow.created_at
)
if hasattr(workflow, 'updated_at'):
data += (workflow.updated_at,)
else:
data += (None,)
else:
data = (tuple('' for _ in range(len(WorkflowFormatter.COLUMNS))),)
return WorkflowFormatter.headings(), data
class List(base.MistralLister):
"""List all workflows."""
def _get_format_function(self):
return WorkflowFormatter.format_list
def get_parser(self, prog_name):
parser = super(List, self).get_parser(prog_name)
return parser
def _get_resources(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
return mistral_client.workflows.list(
marker=parsed_args.marker,
limit=parsed_args.limit,
sort_keys=parsed_args.sort_keys,
sort_dirs=parsed_args.sort_dirs,
fields=WorkflowFormatter.fields(),
**base.get_filters(parsed_args)
)
class Get(show.ShowOne):
"""Show specific workflow."""
def get_parser(self, prog_name):
parser = super(Get, self).get_parser(prog_name)
parser.add_argument('workflow', help='Workflow ID or name.')
parser.add_argument(
'--namespace',
nargs='?',
default='',
help="Namespace to get the workflow from.",
)
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
wf = mistral_client.workflows.get(
parsed_args.workflow,
parsed_args.namespace
)
return WorkflowFormatter.format(wf)
class Create(base.MistralLister):
"""Create new workflow."""
def get_parser(self, prog_name):
parser = super(Create, self).get_parser(prog_name)
parser.add_argument(
'definition',
type=argparse.FileType('r'),
help='Workflow definition file.'
)
parser.add_argument(
'--namespace',
nargs='?',
default='',
help="Namespace to create the workflow within.",
)
parser.add_argument(
'--public',
action='store_true',
help='With this flag workflow will be marked as "public".'
)
return parser
def _get_format_function(self):
return WorkflowFormatter.format_list
def _validate_parsed_args(self, parsed_args):
if not parsed_args.definition:
raise RuntimeError("You must provide path to workflow "
"definition file.")
def _get_resources(self, parsed_args):
scope = 'public' if parsed_args.public else 'private'
mistral_client = self.app.client_manager.workflow_engine
return mistral_client.workflows.create(
parsed_args.definition.read(),
namespace=parsed_args.namespace,
scope=scope
)
class Delete(command.Command):
"""Delete workflow."""
def get_parser(self, prog_name):
parser = super(Delete, self).get_parser(prog_name)
parser.add_argument(
'workflow',
nargs='+',
help='Name or ID of workflow(s).'
)
parser.add_argument(
'--namespace',
nargs='?',
default=None,
help="Namespace to delete the workflow from.",
)
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
utils.do_action_on_many(
lambda s: mistral_client.workflows.delete(s,
parsed_args.namespace),
parsed_args.workflow,
"Request to delete workflow %s has been accepted.",
"Unable to delete the specified workflow(s)."
)
class Update(base.MistralLister):
"""Update workflow."""
def get_parser(self, prog_name):
parser = super(Update, self).get_parser(prog_name)
parser.add_argument(
'definition',
type=argparse.FileType('r'),
help='Workflow definition'
)
parser.add_argument('--id', help='Workflow ID.')
parser.add_argument(
'--namespace',
nargs='?',
default='',
help="Namespace of the workflow.",
)
parser.add_argument(
'--public',
action='store_true',
help='With this flag workflow will be marked as "public".'
)
return parser
def _get_format_function(self):
return WorkflowFormatter.format_list
def _get_resources(self, parsed_args):
scope = 'public' if parsed_args.public else 'private'
mistral_client = self.app.client_manager.workflow_engine
return mistral_client.workflows.update(
parsed_args.definition.read(),
scope=scope,
id=parsed_args.id,
namespace=parsed_args.namespace
)
class GetDefinition(command.Command):
"""Show workflow definition."""
def get_parser(self, prog_name):
parser = super(GetDefinition, self).get_parser(prog_name)
parser.add_argument('identifier', help='Workflow ID or name.')
parser.add_argument(
'--namespace',
nargs='?',
default='',
help="Namespace to get the workflow from.",
)
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
wf = mistral_client.workflows.get(
parsed_args.identifier,
parsed_args.namespace
)
self.app.stdout.write(wf.definition or "\n")
class Validate(show.ShowOne):
"""Validate workflow."""
@staticmethod
def _format(result=None):
columns = ('Valid', 'Error')
if result:
data = (result.get('valid'), result.get('error'),)
else:
data = (tuple('<none>' for _ in range(len(columns))),)
return columns, data
def get_parser(self, prog_name):
parser = super(Validate, self).get_parser(prog_name)
parser.add_argument(
'definition',
type=argparse.FileType('r'),
help='Workflow definition file'
)
return parser
def take_action(self, parsed_args):
mistral_client = self.app.client_manager.workflow_engine
result = mistral_client.workflows.validate(
parsed_args.definition.read()
)
return self._format(result)
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