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From mxm...@apache.org
Subject incubator-ariatosca git commit: review 1 [Forced Update!]
Date Sun, 25 Jun 2017 11:12:11 GMT
Repository: incubator-ariatosca
Updated Branches:
  refs/heads/ARIA-284-Cleanup-and-optimize-the-task-execution 660139ed7 -> d8651b75b (forced
update)


review 1


Project: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/commit/d8651b75
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/tree/d8651b75
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/diff/d8651b75

Branch: refs/heads/ARIA-284-Cleanup-and-optimize-the-task-execution
Commit: d8651b75bbfb5423199bae90a7fd9066fc179160
Parents: 827230d
Author: max-orlov <maxim@gigaspaces.com>
Authored: Sun Jun 25 14:01:56 2017 +0300
Committer: max-orlov <maxim@gigaspaces.com>
Committed: Sun Jun 25 14:12:06 2017 +0300

----------------------------------------------------------------------
 aria/orchestrator/workflow_runner.py            |   4 +-
 aria/orchestrator/workflows/core/compile.py     | 122 -------------------
 aria/orchestrator/workflows/core/engine.py      |  18 +--
 .../workflows/core/graph_compiler.py            | 120 ++++++++++++++++++
 tests/orchestrator/context/__init__.py          |   4 +-
 tests/orchestrator/context/test_serialize.py    |   4 +-
 .../orchestrator/execution_plugin/test_local.py |   4 +-
 tests/orchestrator/execution_plugin/test_ssh.py |   5 +-
 tests/orchestrator/test_workflow_runner.py      |   4 +-
 .../orchestrator/workflows/core/test_engine.py  |   4 +-
 .../orchestrator/workflows/core/test_events.py  |   4 +-
 .../test_task_graph_into_execution_graph.py     |   8 +-
 .../executor/test_process_executor_extension.py |   4 +-
 .../test_process_executor_tracked_changes.py    |   4 +-
 14 files changed, 154 insertions(+), 155 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/aria/orchestrator/workflow_runner.py
----------------------------------------------------------------------
diff --git a/aria/orchestrator/workflow_runner.py b/aria/orchestrator/workflow_runner.py
index b3f100d..4a50fb2 100644
--- a/aria/orchestrator/workflow_runner.py
+++ b/aria/orchestrator/workflow_runner.py
@@ -24,7 +24,7 @@ from datetime import datetime
 from . import exceptions
 from .context.workflow import WorkflowContext
 from .workflows import builtin
-from .workflows.core import engine, compile
+from .workflows.core import engine, graph_compiler
 from .workflows.executor.process import ProcessExecutor
 from ..modeling import models
 from ..modeling import utils as modeling_utils
@@ -97,7 +97,7 @@ class WorkflowRunner(object):
         if not self._is_resume:
             workflow_fn = self._get_workflow_fn()
             self._tasks_graph = workflow_fn(ctx=self._workflow_context, **execution_inputs_dict)
-            compile.GraphCompiler(self._workflow_context, executor.__class__).compile(
+            graph_compiler.GraphCompiler(self._workflow_context, executor.__class__).compile(
                 self._tasks_graph)
 
         self._engine = engine.Engine(executors={executor.__class__: executor})

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/aria/orchestrator/workflows/core/compile.py
----------------------------------------------------------------------
diff --git a/aria/orchestrator/workflows/core/compile.py b/aria/orchestrator/workflows/core/compile.py
deleted file mode 100644
index 83de22c..0000000
--- a/aria/orchestrator/workflows/core/compile.py
+++ /dev/null
@@ -1,122 +0,0 @@
-# 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 ....modeling import models
-from .. import executor, api
-
-
-# TODO: is class really needed?
-
-class GraphCompiler(object):
-    def __init__(self, ctx, default_executor):
-        self._ctx = ctx
-        self._default_executor = default_executor
-        self._stub_executor = executor.base.StubTaskExecutor
-        self._model_to_api_id = {}
-
-    def compile(self,
-                task_graph,
-                start_stub_type=models.Task.START_WORKFLOW,
-                end_stub_type=models.Task.END_WORKFLOW,
-                depends_on=()):
-        """
-        Translates the user graph to the execution graph
-        :param task_graph: The user's graph
-        :param start_stub_type: internal use
-        :param end_stub_type: internal use
-        :param depends_on: internal use
-        """
-        task_graph = task_graph or self._task_graph
-        depends_on = list(depends_on)
-
-        # Insert start marker
-        start_task = self._create_stub_task(
-            start_stub_type, depends_on, self._start_graph_suffix(task_graph.id), task_graph.name,
-        )
-
-        for task in task_graph.topological_order(reverse=True):
-            dependencies = \
-                (self._get_tasks_from_dependencies(task_graph.get_dependencies(task))
-                 or [start_task])
-
-            if isinstance(task, api.task.OperationTask):
-                self._create_operation_task(task, dependencies)
-
-            elif isinstance(task, api.task.WorkflowTask):
-                # Build the graph recursively while adding start and end markers
-                self.compile(
-                    task, models.Task.START_SUBWROFKLOW, models.Task.END_SUBWORKFLOW, dependencies
-                )
-            elif isinstance(task, api.task.StubTask):
-                self._create_stub_task(models.Task.STUB, dependencies, task.id)
-            else:
-                raise RuntimeError('Undefined state')
-
-        # Insert end marker
-        self._create_stub_task(
-            end_stub_type,
-            self._get_non_dependent_tasks(self._ctx.execution) or [start_task],
-            self._end_graph_suffix(task_graph.id),
-            task_graph.name
-        )
-
-    def _create_stub_task(self, stub_type, dependencies, api_id, name=None):
-        model_task = models.Task(
-            name=name,
-            dependencies=dependencies,
-            execution=self._ctx.execution,
-            _executor=self._stub_executor,
-            _stub_type=stub_type)
-        self._ctx.model.task.put(model_task)
-        self._model_to_api_id[model_task.id] = api_id
-        return model_task
-
-    def _create_operation_task(self, api_task, dependencies):
-        model_task = models.Task.from_api_task(
-            api_task, self._default_executor, dependencies=dependencies)
-        self._ctx.model.task.put(model_task)
-        self._model_to_api_id[model_task.id] = api_task.id
-        return model_task
-
-    @staticmethod
-    def _start_graph_suffix(api_id):
-        return '{0}-Start'.format(api_id)
-
-    @staticmethod
-    def _end_graph_suffix(api_id):
-        return '{0}-End'.format(api_id)
-
-    @staticmethod
-    def _get_non_dependent_tasks(execution):
-        tasks_with_dependencies = set()
-        for task in execution.tasks:
-            tasks_with_dependencies.update(task.dependencies)
-        return list(set(execution.tasks) - set(tasks_with_dependencies))
-
-    def _get_tasks_from_dependencies(self, dependencies):
-        """
-        Returns task list from dependencies.
-        """
-        tasks = []
-        for dependency in dependencies:
-            if getattr(dependency, 'actor', False):
-                # This is
-                dependency_name = dependency.id
-            else:
-                dependency_name = self._end_graph_suffix(dependency.id)
-            tasks.extend(task for task in self._ctx.execution.tasks
-                         if self._model_to_api_id.get(task.id, None) == dependency_name)
-        return tasks

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/aria/orchestrator/workflows/core/engine.py
----------------------------------------------------------------------
diff --git a/aria/orchestrator/workflows/core/engine.py b/aria/orchestrator/workflows/core/engine.py
index f594e36..d52ae85 100644
--- a/aria/orchestrator/workflows/core/engine.py
+++ b/aria/orchestrator/workflows/core/engine.py
@@ -48,20 +48,20 @@ class Engine(logger.LoggerMixin):
         if resuming:
             events.on_resume_workflow_signal.send(ctx)
 
-        task_tracker = _TasksTracker(ctx)
+        tasks_tracker = _TasksTracker(ctx)
         try:
             events.start_workflow_signal.send(ctx)
             while True:
                 cancel = self._is_cancel(ctx)
                 if cancel:
                     break
-                for task in task_tracker.ended_tasks:
+                for task in tasks_tracker.ended_tasks:
                     self._handle_ended_tasks(task)
-                    task_tracker.finished_(task)
-                for task in task_tracker.executable_tasks:
-                    task_tracker.executing_(task)
+                    tasks_tracker.finished(task)
+                for task in tasks_tracker.executable_tasks:
+                    tasks_tracker.executing(task)
                     self._handle_executable_task(ctx, task)
-                if task_tracker.all_tasks_consumed:
+                if tasks_tracker.all_tasks_consumed:
                     break
                 else:
                     time.sleep(0.1)
@@ -125,13 +125,13 @@ class _TasksTracker(object):
     def all_tasks_consumed(self):
         return len(self._executed_tasks) == len(self._tasks) and len(self._executing_tasks)
== 0
 
-    def executing_(self, task):
+    def executing(self, task):
         # Task executing could be retrying (thus removed and added earlier)
         if task not in self._executing_tasks:
             self._executable_tasks.remove(task)
             self._executing_tasks.append(task)
 
-    def finished_(self, task):
+    def finished(self, task):
         self._executing_tasks.remove(task)
         self._executed_tasks.append(task)
 
@@ -144,7 +144,7 @@ class _TasksTracker(object):
     @property
     def executable_tasks(self):
         now = datetime.utcnow()
-        # we need both list since retrying task are in the executing task list.
+        # we need both lists since retrying task are in the executing task list.
         for task in self._update_tasks(self._executing_tasks + self._executable_tasks):
             if all([task.is_waiting(),
                     task.due_at <= now,

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/aria/orchestrator/workflows/core/graph_compiler.py
----------------------------------------------------------------------
diff --git a/aria/orchestrator/workflows/core/graph_compiler.py b/aria/orchestrator/workflows/core/graph_compiler.py
new file mode 100644
index 0000000..f339038
--- /dev/null
+++ b/aria/orchestrator/workflows/core/graph_compiler.py
@@ -0,0 +1,120 @@
+# 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 ....modeling import models
+from .. import executor, api
+
+
+class GraphCompiler(object):
+    def __init__(self, ctx, default_executor):
+        self._ctx = ctx
+        self._default_executor = default_executor
+        self._stub_executor = executor.base.StubTaskExecutor
+        self._model_to_api_id = {}
+
+    def compile(self,
+                task_graph,
+                start_stub_type=models.Task.START_WORKFLOW,
+                end_stub_type=models.Task.END_WORKFLOW,
+                depends_on=()):
+        """
+        Translates the user graph to the execution graph
+        :param task_graph: The user's graph
+        :param start_stub_type: internal use
+        :param end_stub_type: internal use
+        :param depends_on: internal use
+        """
+        task_graph = task_graph or self._task_graph
+        depends_on = list(depends_on)
+
+        # Insert start marker
+        start_task = self._create_stub_task(
+            start_stub_type, depends_on, self._start_graph_suffix(task_graph.id), task_graph.name,
+        )
+
+        for task in task_graph.topological_order(reverse=True):
+            dependencies = \
+                (self._get_tasks_from_dependencies(task_graph.get_dependencies(task))
+                 or [start_task])
+
+            if isinstance(task, api.task.OperationTask):
+                self._create_operation_task(task, dependencies)
+
+            elif isinstance(task, api.task.WorkflowTask):
+                # Build the graph recursively while adding start and end markers
+                self.compile(
+                    task, models.Task.START_SUBWROFKLOW, models.Task.END_SUBWORKFLOW, dependencies
+                )
+            elif isinstance(task, api.task.StubTask):
+                self._create_stub_task(models.Task.STUB, dependencies, task.id)
+            else:
+                raise RuntimeError('Undefined state')
+
+        # Insert end marker
+        self._create_stub_task(
+            end_stub_type,
+            self._get_non_dependent_tasks(self._ctx.execution) or [start_task],
+            self._end_graph_suffix(task_graph.id),
+            task_graph.name
+        )
+
+    def _create_stub_task(self, stub_type, dependencies, api_id, name=None):
+        model_task = models.Task(
+            name=name,
+            dependencies=dependencies,
+            execution=self._ctx.execution,
+            _executor=self._stub_executor,
+            _stub_type=stub_type)
+        self._ctx.model.task.put(model_task)
+        self._model_to_api_id[model_task.id] = api_id
+        return model_task
+
+    def _create_operation_task(self, api_task, dependencies):
+        model_task = models.Task.from_api_task(
+            api_task, self._default_executor, dependencies=dependencies)
+        self._ctx.model.task.put(model_task)
+        self._model_to_api_id[model_task.id] = api_task.id
+        return model_task
+
+    @staticmethod
+    def _start_graph_suffix(api_id):
+        return '{0}-Start'.format(api_id)
+
+    @staticmethod
+    def _end_graph_suffix(api_id):
+        return '{0}-End'.format(api_id)
+
+    @staticmethod
+    def _get_non_dependent_tasks(execution):
+        tasks_with_dependencies = set()
+        for task in execution.tasks:
+            tasks_with_dependencies.update(task.dependencies)
+        return list(set(execution.tasks) - set(tasks_with_dependencies))
+
+    def _get_tasks_from_dependencies(self, dependencies):
+        """
+        Returns task list from dependencies.
+        """
+        tasks = []
+        for dependency in dependencies:
+            if getattr(dependency, 'actor', False):
+                # This is
+                dependency_name = dependency.id
+            else:
+                dependency_name = self._end_graph_suffix(dependency.id)
+            tasks.extend(task for task in self._ctx.execution.tasks
+                         if self._model_to_api_id.get(task.id, None) == dependency_name)
+        return tasks

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/context/__init__.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/context/__init__.py b/tests/orchestrator/context/__init__.py
index 752706e..780db07 100644
--- a/tests/orchestrator/context/__init__.py
+++ b/tests/orchestrator/context/__init__.py
@@ -15,7 +15,7 @@
 
 import sys
 
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 
 
 def op_path(func, module_path=None):
@@ -26,7 +26,7 @@ def op_path(func, module_path=None):
 def execute(workflow_func, workflow_context, executor):
     graph = workflow_func(ctx=workflow_context)
 
-    compile.GraphCompiler(workflow_context, executor.__class__).compile(graph)
+    graph_compiler.GraphCompiler(workflow_context, executor.__class__).compile(graph)
     eng = engine.Engine(executors={executor.__class__: executor})
 
     eng.execute(workflow_context)

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/context/test_serialize.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/context/test_serialize.py b/tests/orchestrator/context/test_serialize.py
index b7335a0..6046a16 100644
--- a/tests/orchestrator/context/test_serialize.py
+++ b/tests/orchestrator/context/test_serialize.py
@@ -16,7 +16,7 @@
 import pytest
 
 from aria.orchestrator.workflows import api
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor import process
 from aria.orchestrator import workflow, operation
 import tests
@@ -48,7 +48,7 @@ def test_serialize_operation_context(context, executor, tmpdir):
     context.model.node.update(node)
 
     graph = _mock_workflow(ctx=context)  # pylint: disable=no-value-for-parameter
-    compile.GraphCompiler(context, executor.__class__).compile(graph)
+    graph_compiler.GraphCompiler(context, executor.__class__).compile(graph)
     eng = engine.Engine({executor.__class__: executor})
     eng.execute(context)
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/execution_plugin/test_local.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/execution_plugin/test_local.py b/tests/orchestrator/execution_plugin/test_local.py
index ab6310c..5b94917 100644
--- a/tests/orchestrator/execution_plugin/test_local.py
+++ b/tests/orchestrator/execution_plugin/test_local.py
@@ -28,7 +28,7 @@ from aria.orchestrator.execution_plugin.exceptions import ProcessException
 from aria.orchestrator.execution_plugin import local
 from aria.orchestrator.execution_plugin import constants
 from aria.orchestrator.workflows.executor import process
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 
 from tests import mock
 from tests import storage
@@ -500,7 +500,7 @@ if __name__ == '__main__':
                 arguments=arguments))
             return graph
         tasks_graph = mock_workflow(ctx=workflow_context)  # pylint: disable=no-value-for-parameter
-        compile.GraphCompiler(workflow_context, executor.__class__).compile(tasks_graph)
+        graph_compiler.GraphCompiler(workflow_context, executor.__class__).compile(tasks_graph)
         eng = engine.Engine({executor.__class__: executor})
         eng.execute(workflow_context)
         return workflow_context.model.node.get_by_name(

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/execution_plugin/test_ssh.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/execution_plugin/test_ssh.py b/tests/orchestrator/execution_plugin/test_ssh.py
index 13ad1a3..4fa8184 100644
--- a/tests/orchestrator/execution_plugin/test_ssh.py
+++ b/tests/orchestrator/execution_plugin/test_ssh.py
@@ -29,7 +29,7 @@ from aria.orchestrator import events
 from aria.orchestrator import workflow
 from aria.orchestrator.workflows import api
 from aria.orchestrator.workflows.executor import process
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.exceptions import ExecutorException
 from aria.orchestrator.exceptions import TaskAbortException, TaskRetryException
 from aria.orchestrator.execution_plugin import operations
@@ -254,7 +254,8 @@ class TestWithActualSSHServer(object):
             graph.sequence(*ops)
             return graph
         tasks_graph = mock_workflow(ctx=self._workflow_context)  # pylint: disable=no-value-for-parameter
-        compile.GraphCompiler(self._workflow_context, self._executor.__class__).compile(tasks_graph)
+        graph_compiler.GraphCompiler(
+            self._workflow_context, self._executor.__class__).compile(tasks_graph)
         eng = engine.Engine({self._executor.__class__: self._executor})
         eng.execute(self._workflow_context)
         return self._workflow_context.model.node.get_by_name(

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/test_workflow_runner.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/test_workflow_runner.py b/tests/orchestrator/test_workflow_runner.py
index ae82476..103596b 100644
--- a/tests/orchestrator/test_workflow_runner.py
+++ b/tests/orchestrator/test_workflow_runner.py
@@ -27,7 +27,7 @@ from aria.orchestrator.events import on_cancelled_workflow_signal
 from aria.orchestrator.workflow_runner import WorkflowRunner
 from aria.orchestrator.workflows.executor.process import ProcessExecutor
 from aria.orchestrator.workflows import api
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor import thread
 from aria.orchestrator import (
     workflow,
@@ -410,7 +410,7 @@ class TestResumableWorkflows(object):
     def _engine(workflow_func, workflow_context, executor):
         graph = workflow_func(ctx=workflow_context)
         execution = workflow_context.execution
-        compile.create_execution_tasks(execution, graph, executor.__class__)
+        graph_compiler.GraphCompiler(workflow_context, executor.__class__).compile(graph)
         workflow_context.execution = execution
 
         return engine.Engine(executors={executor.__class__: executor})

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/workflows/core/test_engine.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/workflows/core/test_engine.py b/tests/orchestrator/workflows/core/test_engine.py
index 7275723..21a53d7 100644
--- a/tests/orchestrator/workflows/core/test_engine.py
+++ b/tests/orchestrator/workflows/core/test_engine.py
@@ -28,7 +28,7 @@ from aria.orchestrator.workflows import (
     api,
     exceptions,
 )
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor import thread
 
 from tests import mock, storage
@@ -50,7 +50,7 @@ class BaseTest(object):
     @staticmethod
     def _engine(workflow_func, workflow_context, executor):
         graph = workflow_func(ctx=workflow_context)
-        compile.GraphCompiler(workflow_context, executor.__class__).compile(graph)
+        graph_compiler.GraphCompiler(workflow_context, executor.__class__).compile(graph)
 
         return engine.Engine(executors={executor.__class__: executor})
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/workflows/core/test_events.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/workflows/core/test_events.py b/tests/orchestrator/workflows/core/test_events.py
index 32a6b7b..30cc8ee 100644
--- a/tests/orchestrator/workflows/core/test_events.py
+++ b/tests/orchestrator/workflows/core/test_events.py
@@ -16,7 +16,7 @@
 import pytest
 
 from aria.orchestrator.decorators import operation, workflow
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor.thread import ThreadExecutor
 from aria.orchestrator.workflows import api
 from aria.modeling.service_instance import NodeBase
@@ -113,7 +113,7 @@ def run_operation_on_node(ctx, op_name, interface_name):
         operation_name=op_name,
         operation_kwargs=dict(function='{name}.{func.__name__}'.format(name=__name__, func=func)))
     node.interfaces[interface.name] = interface
-    compile.GraphCompiler(ctx, ThreadExecutor).compile(
+    graph_compiler.GraphCompiler(ctx, ThreadExecutor).compile(
         single_operation_workflow(ctx, node=node, interface_name=interface_name, op_name=op_name)
     )
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/workflows/core/test_task_graph_into_execution_graph.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/workflows/core/test_task_graph_into_execution_graph.py b/tests/orchestrator/workflows/core/test_task_graph_into_execution_graph.py
index 3d47d54..f0d2b26 100644
--- a/tests/orchestrator/workflows/core/test_task_graph_into_execution_graph.py
+++ b/tests/orchestrator/workflows/core/test_task_graph_into_execution_graph.py
@@ -18,7 +18,7 @@ from networkx import topological_sort, DiGraph
 from aria.modeling import models
 from aria.orchestrator import context
 from aria.orchestrator.workflows import api
-from aria.orchestrator.workflows.core import compile
+from aria.orchestrator.workflows.core import graph_compiler
 from aria.orchestrator.workflows.executor import base
 from tests import mock
 from tests import storage
@@ -65,8 +65,8 @@ def test_task_graph_into_execution_graph(tmpdir):
     test_task_graph.add_dependency(inner_task_graph, simple_before_task)
     test_task_graph.add_dependency(simple_after_task, inner_task_graph)
 
-    graph_compiler = compile.GraphCompiler(workflow_context, base.StubTaskExecutor)
-    graph_compiler.compile(test_task_graph)
+    compiler = graph_compiler.GraphCompiler(workflow_context, base.StubTaskExecutor)
+    compiler.compile(test_task_graph)
 
     execution_tasks = topological_sort(_graph(workflow_context.execution.tasks))
 
@@ -82,7 +82,7 @@ def test_task_graph_into_execution_graph(tmpdir):
         '{0}-End'.format(test_task_graph.id)
     ]
 
-    assert expected_tasks_names == [graph_compiler._model_to_api_id[t.id] for t in execution_tasks]
+    assert expected_tasks_names == [compiler._model_to_api_id[t.id] for t in execution_tasks]
     assert all(isinstance(task, models.Task) for task in execution_tasks)
     execution_tasks = iter(execution_tasks)
 

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/workflows/executor/test_process_executor_extension.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/workflows/executor/test_process_executor_extension.py b/tests/orchestrator/workflows/executor/test_process_executor_extension.py
index aa08685..6ed3e2b 100644
--- a/tests/orchestrator/workflows/executor/test_process_executor_extension.py
+++ b/tests/orchestrator/workflows/executor/test_process_executor_extension.py
@@ -17,7 +17,7 @@ import pytest
 
 from aria import extension
 from aria.orchestrator.workflows import api
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor import process
 from aria.orchestrator import workflow, operation
 
@@ -57,7 +57,7 @@ def test_decorate_extension(context, executor):
         graph.add_tasks(task)
         return graph
     graph = mock_workflow(ctx=context)  # pylint: disable=no-value-for-parameter
-    compile.GraphCompiler(context, executor.__class__).compile(graph)
+    graph_compiler.GraphCompiler(context, executor.__class__).compile(graph)
     eng = engine.Engine({executor.__class__: executor})
     eng.execute(context)
     out = get_node(context).attributes.get('out').value

http://git-wip-us.apache.org/repos/asf/incubator-ariatosca/blob/d8651b75/tests/orchestrator/workflows/executor/test_process_executor_tracked_changes.py
----------------------------------------------------------------------
diff --git a/tests/orchestrator/workflows/executor/test_process_executor_tracked_changes.py
b/tests/orchestrator/workflows/executor/test_process_executor_tracked_changes.py
index 7102b13..a74a473 100644
--- a/tests/orchestrator/workflows/executor/test_process_executor_tracked_changes.py
+++ b/tests/orchestrator/workflows/executor/test_process_executor_tracked_changes.py
@@ -18,7 +18,7 @@ import copy
 import pytest
 
 from aria.orchestrator.workflows import api
-from aria.orchestrator.workflows.core import engine, compile
+from aria.orchestrator.workflows.core import engine, graph_compiler
 from aria.orchestrator.workflows.executor import process
 from aria.orchestrator import workflow, operation
 from aria.orchestrator.workflows import exceptions
@@ -107,7 +107,7 @@ def _run_workflow(context, executor, op_func, arguments=None):
         graph.add_tasks(task)
         return graph
     graph = mock_workflow(ctx=context)  # pylint: disable=no-value-for-parameter
-    compile.GraphCompiler(context, executor.__class__).compile(graph)
+    graph_compiler.GraphCompiler(context, executor.__class__).compile(graph)
     eng = engine.Engine({executor.__class__: executor})
     eng.execute(context)
     out = context.model.node.get_by_name(mock.models.DEPENDENCY_NODE_NAME).attributes.get('out')


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