Add helper scripts to print version discovery info

These are simple scripts I made to investigate things. Each show the
version discovery info for all of the clouds in a clouds.yaml.

Change-Id: I742a59c737c53c05851015b9734c7aa85a5466ca

tools/keystone_version.py

@@ -0,0 +1,89 @@
+# Copyright (c) 2017 Red Hat, 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 os_client_config
+import pprint
+import sys
+import urlparse
+
+
+def print_versions(r):
+    if 'version' in r:
+        for version in r['version']:
+            print_version(version)
+    if 'values' in r:
+        for version in r['values']:
+            print_version(version)
+    if isinstance(r, list):
+        for version in r:
+            print_version(version)
+
+
+def print_version(version):
+    if version['status'] in ('CURRENT', 'stable'):
+        print(
+            "\tVersion ID: {id} updated {updated}".format(
+                id=version.get('id'),
+                updated=version.get('updated')))
+
+
+verbose = '-v' in sys.argv
+ran = []
+for cloud in os_client_config.OpenStackConfig().get_all_clouds():
+    if cloud.name in ran:
+        continue
+    ran.append(cloud.name)
+    # We don't actually need a compute client - but we'll be getting full urls
+    # anyway. Without this SSL cert info becomes wrong.
+    c = cloud.get_session_client('compute')
+    endpoint = cloud.config['auth']['auth_url']
+    try:
+        print(endpoint)
+        r = c.get(endpoint).json()
+        if verbose:
+            pprint.pprint(r)
+    except Exception as e:
+        print("Error with {cloud}: {e}".format(cloud=cloud.name, e=str(e)))
+        continue
+    if 'version' in r:
+        print_version(r['version'])
+        url = urlparse.urlparse(endpoint)
+        parts = url.path.split(':')
+        if len(parts) == 2:
+            path, port = parts
+        else:
+            path = url.path
+            port = None
+        stripped = path.rsplit('/', 2)[0]
+        if port:
+            stripped = '{stripped}:{port}'.format(stripped=stripped, port=port)
+        endpoint = urlparse.urlunsplit(
+            (url.scheme, url.netloc, stripped, url.params, url.query))
+        print("  also {endpoint}".format(endpoint=endpoint))
+        try:
+            r = c.get(endpoint).json()
+            if verbose:
+                pprint.pprint(r)
+        except Exception:
+            print("\tUnauthorized")
+            continue
+        if 'version' in r:
+            print_version(r)
+        elif 'versions' in r:
+            print_versions(r['versions'])
+        else:
+            print("\n\nUNKNOWN\n\n{r}".format(r=r))
+    else:
+        print_versions(r['versions'])

tools/nova_version.py

@@ -0,0 +1,56 @@
+# Copyright (c) 2017 Red Hat, 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 os_client_config
+
+ran = []
+for cloud in os_client_config.OpenStackConfig().get_all_clouds():
+    if cloud.name in ran:
+        continue
+    ran.append(cloud.name)
+    c = cloud.get_session_client('compute')
+    try:
+        raw_endpoint = c.get_endpoint()
+        have_current = False
+        endpoint = raw_endpoint.rsplit('/', 2)[0]
+        print(endpoint)
+        r = c.get(endpoint).json()
+    except Exception:
+        print("Error with %s" % cloud.name)
+        continue
+    for version in r['versions']:
+        if version['status'] == 'CURRENT':
+            have_current = True
+            print(
+                "\tVersion ID: {id} updated {updated}".format(
+                    id=version.get('id'),
+                    updated=version.get('updated')))
+            print(
+                "\tVersion Max: {max}".format(max=version.get('version')))
+            print(
+                "\tVersion Min: {min}".format(min=version.get('min_version')))
+    if not have_current:
+        for version in r['versions']:
+            if version['status'] == 'SUPPORTED':
+                have_current = True
+                print(
+                    "\tVersion ID: {id} updated {updated}".format(
+                        id=version.get('id'),
+                        updated=version.get('updated')))
+                print(
+                    "\tVersion Max: {max}".format(max=version.get('version')))
+                print(
+                    "\tVersion Min: {min}".format(
+                        min=version.get('min_version')))