Github user ran-z commented on a diff in the pull request:
https://github.com/apache/incubator-ariatosca/pull/97#discussion_r111401230
--- Diff: aria/cli/commands/executions.py ---
@@ -0,0 +1,170 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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 .. import utils
+from ..table import print_data
+from ..cli import aria
+from ...modeling.models import Execution
+from ...orchestrator.workflow_runner import WorkflowRunner
+from ...orchestrator.workflows.executor.dry import DryExecutor
+from ...utils import formatting
+from ...utils import threading
+
+EXECUTION_COLUMNS = ['id', 'workflow_name', 'status', 'service_name',
+ 'created_at', 'error']
+
+
[email protected](name='executions')
[email protected]()
+def executions():
+ """Handle workflow executions
+ """
+ pass
+
+
[email protected](name='show',
+ short_help='Show execution information')
[email protected]('execution-id')
[email protected]()
[email protected]_model_storage
[email protected]_logger
+def show(execution_id, model_storage, logger):
+ """Show information for a specific execution
+
+ `EXECUTION_ID` is the execution to get information on.
+ """
+ logger.info('Showing execution {0}'.format(execution_id))
+ execution = model_storage.execution.get(execution_id)
+
+ print_data(EXECUTION_COLUMNS, execution.to_dict(), 'Execution:',
max_width=50)
+
+ # print execution parameters
+ logger.info('Execution Inputs:')
+ if execution.inputs:
+ #TODO check this section, havent tested it
+ execution_inputs = [ei.to_dict() for ei in execution.inputs]
+ for input_name, input_value in formatting.decode_dict(
+ execution_inputs).iteritems():
+ logger.info('\t{0}: \t{1}'.format(input_name, input_value))
+ else:
+ logger.info('\tNo inputs')
+ logger.info('')
+
+
[email protected](name='list',
+ short_help='List service executions')
[email protected]_name(required=False)
[email protected]_by()
[email protected]
[email protected]()
[email protected]_model_storage
[email protected]_logger
+def list(service_name,
+ sort_by,
+ descending,
+ model_storage,
+ logger):
+ """List executions
+
+ If `SERVICE_NAME` is provided, list executions for that service.
+ Otherwise, list executions for all services.
+ """
+ if service_name:
+ logger.info('Listing executions for service {0}...'.format(
+ service_name))
+ service = model_storage.service.get_by_name(service_name)
+ filters = dict(service=service)
+ else:
+ logger.info('Listing all executions...')
+ filters = {}
+
+ executions_list = [e.to_dict() for e in model_storage.execution.list(
+ filters=filters,
+ sort=utils.storage_sort_param(sort_by, descending))]
+
+ print_data(EXECUTION_COLUMNS, executions_list, 'Executions:')
+
+
[email protected](name='start',
+ short_help='Execute a workflow')
[email protected]('workflow-name')
[email protected]_name(required=True)
[email protected]
[email protected]_execution
[email protected]_max_attempts()
[email protected]_retry_interval()
[email protected]()
[email protected]_model_storage
[email protected]_resource_storage
[email protected]_plugin_manager
[email protected]_logger
+def start(workflow_name,
+ service_name,
+ inputs,
+ dry,
+ task_max_attempts,
+ task_retry_interval,
+ model_storage,
+ resource_storage,
+ plugin_manager,
+ logger):
+ """Execute a workflow
+
+ `WORKFLOW_NAME` is the name of the workflow to execute (e.g.
`uninstall`)
+ """
+ service = model_storage.service.get_by_name(service_name)
+ executor = DryExecutor() if dry else None # use WorkflowRunner's
default executor
+
+ workflow_runner = \
+ WorkflowRunner(workflow_name, service.id, inputs,
+ model_storage, resource_storage, plugin_manager,
+ executor, task_max_attempts, task_retry_interval)
+
+ execution_thread_name = '{0}_{1}'.format(service_name, workflow_name)
+ execution_thread =
threading.ExceptionThread(target=workflow_runner.execute,
+
name=execution_thread_name)
+ execution_thread.daemon = True # allows force-cancel to exit
immediately
+
+ logger.info('Starting {0}execution. Press Ctrl+C cancel'.format('dry '
if dry else ''))
+ execution_thread.start()
+ try:
+ while execution_thread.is_alive():
+ # using join without a timeout blocks and ignores
KeyboardInterrupt
+ execution_thread.join(1)
+ except KeyboardInterrupt:
+ _cancel_execution(workflow_runner, execution_thread, logger)
+
+ # raise any errors from the execution thread (note these are not
workflow execution errors)
+ execution_thread.raise_error_if_exists()
+
+ execution = workflow_runner.execution
+ logger.info('Execution has ended with "{0}"
status'.format(execution.status))
+ if execution.status == Execution.FAILED and execution.error:
+ logger.info('Execution error:\n{0}'.format(execution.error))
--- End diff --
:+1:
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