Add minimal support for the v2 API

This only allows you to run image-list, but sets up a framework
that we can use to fill in the rest of the v2 functionality.

* Related to bp glance-client-v2

Change-Id: I8827e36fdcf79fe402990a6d05898ec00cbd54c6

glanceclient/v2/client.py

@@ -0,0 +1,38 @@
+# 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 logging
+
+from glanceclient.common import http
+from glanceclient.v2 import images
+
+
+logger = logging.getLogger(__name__)
+
+
+class Client(object):
+    """Client for the OpenStack Images v2 API.
+
+    :param string endpoint: A user-supplied endpoint URL for the glance
+                            service.
+    :param string token: Token for authentication.
+    :param integer timeout: Allows customization of the timeout for client
+                            http requests. (optional)
+    """
+
+    def __init__(self, endpoint, token=None, timeout=600):
+        self.http_client = http.HTTPClient(
+                endpoint, token=token, timeout=timeout)
+        self.images = images.Controller(self.http_client)

glanceclient/v2/images.py

@@ -0,0 +1,29 @@
+# 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.
+
+
+class Image(object):
+    def __init__(self, id, name):
+        self.id = id
+        self.name = name
+
+
+class Controller(object):
+    def __init__(self, http_client):
+        self.http_client = http_client
+
+    def list(self):
+        resp, body = self.http_client.json_request('GET', '/v2/images')
+        return [Image(i['id'], i['name']) for i in body['images']]

glanceclient/v2/shell.py

@@ -0,0 +1,23 @@
+# 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.
+
+from glanceclient.common import utils
+
+
+def do_image_list(gc, args):
+    """List images."""
+    images = gc.images.list()
+    columns = ['ID', 'Name']
+    utils.print_list(images, columns)