1 files changed, 54 insertions, 0 deletions
diff --git a/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/workflows/executor/dry.py b/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/workflows/executor/dry.py
new file mode 100644
index 0000000..9314e5d
--- /dev/null
+++ b/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/workflows/executor/dry.py
@@ -0,0 +1,54 @@
+# 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.
+
+"""
+Dry task executor.
+"""
+
+from datetime import datetime
+
+from . import base
+
+
+class DryExecutor(base.BaseExecutor):                                                                    # pylint: disable=abstract-method
+    """
+    Dry task executor: prints task information without causing any side effects.
+    """
+    def execute(self, ctx):
+        with ctx.persist_changes:
+            # updating the task manually instead of calling self._task_started(task),
+            # to avoid any side effects raising that event might cause
+            ctx.task.started_at = datetime.utcnow()
+            ctx.task.status = ctx.task.STARTED
+
+            dry_msg = '<dry> {name} {task.interface_name}.{task.operation_name} {suffix}'
+            logger = ctx.logger.info if ctx.task.function else ctx.logger.debug
+
+            if hasattr(ctx.task.actor, 'source_node'):
+                name = '{source_node.name}->{target_node.name}'.format(
+                    source_node=ctx.task.actor.source_node, target_node=ctx.task.actor.target_node)
+            else:
+                name = ctx.task.actor.name
+
+            if ctx.task.function:
+                logger(dry_msg.format(name=name, task=ctx.task, suffix='started...'))
+                logger(dry_msg.format(name=name, task=ctx.task, suffix='successful'))
+            else:
+                logger(dry_msg.format(name=name, task=ctx.task, suffix='has no implementation'))
+
+            # updating the task manually instead of calling self._task_succeeded(task),
+            # to avoid any side effects raising that event might cause
+            ctx.task.ended_at = datetime.utcnow()
+            ctx.task.status = ctx.task.SUCCESS