volume: Migrate 'volume create' to SDK

We need a shim for consistency group support, which we may eventually
port to SDK but have not yet. Otherwise, this is rather straightforward.

Change-Id: Ic880b7a64cde2148c266d549c4768c669ba3f501
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/openstacksdk/+/943800

openstackclient/api/compute_v2.py

@@ -64,7 +64,7 @@ def list_security_groups(compute_client, all_projects=None):
 
 
 def find_security_group(compute_client, name_or_id):
-    """Find the name for a given security group name or ID
+    """Find the security group for a given name or ID
 
     https://docs.openstack.org/api-ref/compute/#show-security-group-details
 
@@ -240,7 +240,7 @@ def list_networks(compute_client):
 
 
 def find_network(compute_client, name_or_id):
-    """Find the ID for a given network name or ID
+    """Find the network for a given name or ID
 
     https://docs.openstack.org/api-ref/compute/#show-network-details
 

openstackclient/api/volume_v2.py

@@ -0,0 +1,60 @@
+#   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.
+
+"""Volume v2 API Library
+
+A collection of wrappers for deprecated Block Storage v2 APIs that are not
+intentionally supported by SDK.
+"""
+
+import http
+
+from openstack import exceptions as sdk_exceptions
+from osc_lib import exceptions
+
+
+# consistency groups
+
+
+def find_consistency_group(compute_client, name_or_id):
+    """Find the consistency group for a given name or ID
+
+    https://docs.openstack.org/api-ref/block-storage/v3/#show-a-consistency-group-s-details
+
+    :param volume_client: A volume client
+    :param name_or_id: The name or ID of the consistency group to look up
+    :returns: A consistency group object
+    :raises exception.NotFound: If a matching consistency group could not be
+        found or more than one match was found
+    """
+    response = compute_client.get(f'/consistencygroups/{name_or_id}')
+    if response.status_code != http.HTTPStatus.NOT_FOUND:
+        # there might be other, non-404 errors
+        sdk_exceptions.raise_from_response(response)
+        return response.json()['consistencygroup']
+
+    response = compute_client.get('/consistencygroups')
+    sdk_exceptions.raise_from_response(response)
+    found = None
+    consistency_groups = response.json()['consistencygroups']
+    for consistency_group in consistency_groups:
+        if consistency_group['name'] == name_or_id:
+            if found:
+                raise exceptions.NotFound(
+                    f'multiple matches found for {name_or_id}'
+                )
+            found = consistency_group
+
+    if not found:
+        raise exceptions.NotFound(f'{name_or_id} not found')
+
+    return found

openstackclient/api/volume_v3.py

@@ -0,0 +1,60 @@
+#   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.
+
+"""Volume v3 API Library
+
+A collection of wrappers for deprecated Block Storage v3 APIs that are not
+intentionally supported by SDK.
+"""
+
+import http
+
+from openstack import exceptions as sdk_exceptions
+from osc_lib import exceptions
+
+
+# consistency groups
+
+
+def find_consistency_group(compute_client, name_or_id):
+    """Find the consistency group for a given name or ID
+
+    https://docs.openstack.org/api-ref/block-storage/v3/#show-a-consistency-group-s-details
+
+    :param volume_client: A volume client
+    :param name_or_id: The name or ID of the consistency group to look up
+    :returns: A consistency group object
+    :raises exception.NotFound: If a matching consistency group could not be
+        found or more than one match was found
+    """
+    response = compute_client.get(f'/consistencygroups/{name_or_id}')
+    if response.status_code != http.HTTPStatus.NOT_FOUND:
+        # there might be other, non-404 errors
+        sdk_exceptions.raise_from_response(response)
+        return response.json()['consistencygroup']
+
+    response = compute_client.get('/consistencygroups')
+    sdk_exceptions.raise_from_response(response)
+    found = None
+    consistency_groups = response.json()['consistencygroups']
+    for consistency_group in consistency_groups:
+        if consistency_group['name'] == name_or_id:
+            if found:
+                raise exceptions.NotFound(
+                    f'multiple matches found for {name_or_id}'
+                )
+            found = consistency_group
+
+    if not found:
+        raise exceptions.NotFound(f'{name_or_id} not found')
+
+    return found