vFW and vDNS support added to azure-plugin

[multicloud/azure.git] / azure / aria / aria-extension-cloudify / src / aria / aria / orchestrator / execution_plugin / local.py

diff --git a/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/execution_plugin/local.py b/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/execution_plugin/local.py
new file mode 100644 (file)
index 0000000..04b9ecd
--- /dev/null
+++ b/azure/aria/aria-extension-cloudify/src/aria/aria/orchestrator/execution_plugin/local.py
@@ -0,0 +1,128 @@
+# 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.
+
+"""
+Local execution of operations.
+"""
+
+import os
+import subprocess
+import threading
+import StringIO
+
+from . import ctx_proxy
+from . import exceptions
+from . import common
+from . import constants
+from . import environment_globals
+from . import python_script_scope
+
+
+def run_script(ctx, script_path, process, **kwargs):
+    if not script_path:
+        ctx.task.abort('Missing script_path')
+    process = process or {}
+    script_path = common.download_script(ctx, script_path)
+    script_func = _get_run_script_func(script_path, process)
+    return script_func(
+        ctx=ctx,
+        script_path=script_path,
+        process=process,
+        operation_kwargs=kwargs)
+
+
+def _get_run_script_func(script_path, process):
+    if _treat_script_as_python_script(script_path, process):
+        return _eval_script_func
+    else:
+        if _treat_script_as_powershell_script(script_path):
+            process.setdefault('command_prefix', constants.DEFAULT_POWERSHELL_EXECUTABLE)
+        return _execute_func
+
+
+def _treat_script_as_python_script(script_path, process):
+    eval_python = process.get('eval_python')
+    script_extension = os.path.splitext(script_path)[1].lower()
+    return (eval_python is True or (script_extension == constants.PYTHON_SCRIPT_FILE_EXTENSION and
+                                    eval_python is not False))
+
+
+def _treat_script_as_powershell_script(script_path):
+    script_extension = os.path.splitext(script_path)[1].lower()
+    return script_extension == constants.POWERSHELL_SCRIPT_FILE_EXTENSION
+
+
+def _eval_script_func(script_path, ctx, operation_kwargs, **_):
+    with python_script_scope(operation_ctx=ctx, operation_inputs=operation_kwargs):
+        execfile(script_path, environment_globals.create_initial_globals(script_path))
+
+
+def _execute_func(script_path, ctx, process, operation_kwargs):
+    os.chmod(script_path, 0755)
+    process = common.create_process_config(
+        script_path=script_path,
+        process=process,
+        operation_kwargs=operation_kwargs)
+    command = process['command']
+    env = os.environ.copy()
+    env.update(process['env'])
+    ctx.logger.info('Executing: {0}'.format(command))
+    with ctx_proxy.server.CtxProxy(ctx, common.patch_ctx) as proxy:
+        env[ctx_proxy.client.CTX_SOCKET_URL] = proxy.socket_url
+        running_process = subprocess.Popen(
+            command,
+            shell=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            env=env,
+            cwd=process.get('cwd'),
+            bufsize=1,
+            close_fds=not common.is_windows())
+        stdout_consumer = _OutputConsumer(running_process.stdout)
+        stderr_consumer = _OutputConsumer(running_process.stderr)
+        exit_code = running_process.wait()
+    stdout_consumer.join()
+    stderr_consumer.join()
+    ctx.logger.info('Execution done (exit_code={0}): {1}'.format(exit_code, command))
+
+    def error_check_func():
+        if exit_code:
+            raise exceptions.ProcessException(
+                command=command,
+                exit_code=exit_code,
+                stdout=stdout_consumer.read_output(),
+                stderr=stderr_consumer.read_output())
+    return common.check_error(ctx, error_check_func=error_check_func)
+
+
+class _OutputConsumer(object):
+
+    def __init__(self, out):
+        self._out = out
+        self._buffer = StringIO.StringIO()
+        self._consumer = threading.Thread(target=self._consume_output)
+        self._consumer.daemon = True
+        self._consumer.start()
+
+    def _consume_output(self):
+        for line in iter(self._out.readline, b''):
+            self._buffer.write(line)
+        self._out.close()
+
+    def read_output(self):
+        return self._buffer.getvalue()
+
+    def join(self):
+        self._consumer.join()