Add start of the EC2/S3 API testing to tempest

Continues the effort of the https://review.openstack.org/#/c/3064/

* add EC2 keypair and volume tests
* add EC2 snapshot from volume test
* add EC2 floating ip disasscioation
* add EC2 operation on security group
* add EC2/S3 image registration
* add EC2 instance run test
* add Integration test with ssh, console, volume
* add S3 object and bucket tests

Change-Id: I0dff9b05f215b56456272f22aa1c014cd53b4f4b
diff --git a/tempest/tests/boto/utils/s3.py b/tempest/tests/boto/utils/s3.py
new file mode 100644
index 0000000..70d9263
--- /dev/null
+++ b/tempest/tests/boto/utils/s3.py
@@ -0,0 +1,42 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack, LLC
+# All Rights Reserved.
+#
+#    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 boto
+from boto.s3.key import Key
+from contextlib import closing
+import os
+import re
+import logging
+
+
+LOG = logging.getLogger(__name__)
+
+
+def s3_upload_dir(bucket, path, prefix="", connection_data=None):
+    if isinstance(bucket, basestring):
+        with closing(boto.connect_s3(**connection_data)) as conn:
+            bucket = conn.lookup(bucket)
+    for root, dirs, files in os.walk(path):
+        for fil in files:
+            with closing(Key(bucket)) as key:
+                source = root + os.sep + fil
+                target = re.sub("^" + re.escape(path) + "?/", prefix, source)
+                if os.sep != '/':
+                    target = re.sub(re.escape(os.sep), '/', target)
+                key.key = target
+                LOG.info("Uploading %s to %s/%s", source, bucket.name, target)
+                key.set_contents_from_filename(source)