Added demo web application

This application will be executed on the VM and will response
on API requests from Mistral.

Change-Id: I8c58a819d738465149ba5cc23ee46ba8a4e639fd

examples/vm_job/web_app.py

@@ -0,0 +1,38 @@
+# Copyright 2013 Mirantis, 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 flask
+
+
+app = flask.Flask(__name__)
+host = "0.0.0.0"
+port = 5000
+
+
+@app.route('/summ')
+def summ():
+    summ = 0
+    args = flask.request.args.get('arguments', [], type=list)
+
+    for a in args:
+        try:
+            summ += int(a)
+        except:
+            return 403, "Sorry, need to use only integer arguments!"
+
+    return flask.jsonify({'result': summ})
+
+
+if __name__ == "__main__":
+    app.run(host=host, port=port)

requirements.txt

@@ -7,3 +7,4 @@ WSME>=0.5b6
 argparse
 oslo.config>=1.2.0
 python-keystoneclient
+flask