Initial checkin for new CLI and client package

Copied mostly from python-keystoneclient with some Glance-specific stuff. README.rst shows what WILL be the way to do things, not what is currently coded :)
2012-02-29 16:42:26 -05:00
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+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 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 import utils
+from glanceclient.generic import client
+
+CLIENT_CLASS = client.Client
+
+
+@utils.unauthenticated
+def do_discover(cs, args):
+    """
+    Discover Keystone servers and show authentication protocols and
+    extensions supported.
+
+    Usage::
+    $ glance discover
+    Image Service found at http://localhost:9292
+        - supports version v1.0 (DEPRECATED) here http://localhost:9292/v1.0
+        - supports version v1.1 (CURRENT) here http://localhost:9292/v1.1
+        - supports version v2.0 (BETA) here http://localhost:9292/v2.0
+            - and RAX-KSKEY: Rackspace API Key Authentication Admin Extension
+            - and RAX-KSGRP: Rackspace Keystone Group Extensions
+    """
+    if cs.auth_url:
+        versions = cs.discover(cs.auth_url)
+    else:
+        versions = cs.discover()
+    if versions:
+        if 'message' in versions:
+            print versions['message']
+        for key, version in versions.iteritems():
+            if key != 'message':
+                print "    - supports version %s (%s) here %s" % \
+                    (version['id'], version['status'], version['url'])
+                extensions = cs.discover_extensions(version['url'])
+                if extensions:
+                    for key, extension in extensions.iteritems():
+                        if key != 'message':
+                            print "        - and %s: %s" % \
+                                (key, extension)
+    else:
+        print "No Glance-compatible endpoint found"