Merge "Add an example for pre signed URL"

examples/signed_url_auth.py

@@ -0,0 +1,52 @@
+# Copyright 2016 Catalyst IT Ltd
+#
+#    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.
+
+from zaqarclient.queues.v2 import client
+
+URL = 'http://localhost:8888'
+
+
+def create_post_delete(queue_name, messages):
+    """Presigned queue example
+
+    Creates a queue, posts messages to it and finally deletes it with
+    ``signed-url`` auth strategy enabled on Zaqar server side.
+
+    :params queue_name: The name of the queue
+    :type queue_name: `six.text_type`
+    :params messages: Messages to post.
+    :type messages: list
+    """
+    conf = {'auth_opts':
+            {'backend': 'signed-url',
+             'options': {'signature': '',
+                         'expires': '',
+                         'methods': ['GET', 'PATCH', 'POST', 'PUT'],
+                         'paths': ['/v2/queues/beijing/claims'],
+                         'os_project_id': '2887aabf368046a3bb0070f1c0413470'}
+             }
+            }
+    cli = client.Client(URL, conf=conf)
+    queue = cli.queue(queue_name)
+    queue.post(messages)
+
+    for msg in queue.messages(echo=True):
+        print(msg.body)
+        msg.delete()
+
+
+if __name__ == '__main__':
+    messages = [{'body': {'id': idx}, 'ttl': 360}
+                for idx in range(20)]
+    create_post_delete('beijing', messages)