Change default service_type for volumes managers

Currently, novaclient's gates are broken due to missed 'volume' service_type.
This patch changes default service type for all volume related managers to
"volumev2" and leave ability to set "volume" service_type.

Change-Id: Ia1e1d3def1e6127cc2b97797c577c15265f879bd
Closes-Bug: #1501258

novaclient/base.py

@@ -89,13 +89,16 @@ class Manager(base.HookableMixin):
                         for res in data if res]
 
     @contextlib.contextmanager
-    def alternate_service_type(self, service_type):
+    def alternate_service_type(self, default, allowed_types=()):
         original_service_type = self.api.client.service_type
-        self.api.client.service_type = service_type
+        if original_service_type in allowed_types:
-        try:
             yield
-        finally:
+        else:
-            self.api.client.service_type = original_service_type
+            self.api.client.service_type = default
+            try:
+                yield
+            finally:
+                self.api.client.service_type = original_service_type
 
     @contextlib.contextmanager
     def completion_cache(self, cache_type, obj_class, mode):

novaclient/v2/volume_snapshots.py

@@ -61,7 +61,8 @@ class SnapshotManager(base.ManagerWithFind):
                       'deprecated and will be removed after Nova 13.0.0 is '
                       'released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             body = {'snapshot': {'volume_id': volume_id,
                                  'force': force,
                                  'display_name': display_name,
@@ -79,7 +80,9 @@ class SnapshotManager(base.ManagerWithFind):
                       'deprecated and will be removed after Nova 13.0.0 is '
                       'released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
+
             return self._get("/snapshots/%s" % snapshot_id, "snapshot")
 
     def list(self, detailed=True):
@@ -92,7 +95,8 @@ class SnapshotManager(base.ManagerWithFind):
                       'deprecated and will be removed after Nova 13.0.0 is '
                       'released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             if detailed is True:
                 return self._list("/snapshots/detail", "snapshots")
             else:
@@ -108,5 +112,6 @@ class SnapshotManager(base.ManagerWithFind):
                       'deprecated and will be removed after Nova 13.0.0 is '
                       'released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             self._delete("/snapshots/%s" % base.getid(snapshot))

novaclient/v2/volume_types.py

@@ -47,7 +47,8 @@ class VolumeTypeManager(base.ManagerWithFind):
                       'and will be removed after Nova 13.0.0 is released. Use '
                       'python-cinderclient or python-openstacksdk instead.',
                       DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             return self._list("/types", "volume_types")
 
     def get(self, volume_type):
@@ -61,7 +62,8 @@ class VolumeTypeManager(base.ManagerWithFind):
                       'and will be removed after Nova 13.0.0 is released. Use '
                       'python-cinderclient or python-openstacksdk instead.',
                       DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             return self._get("/types/%s" % base.getid(volume_type),
                              "volume_type")
 
@@ -75,7 +77,8 @@ class VolumeTypeManager(base.ManagerWithFind):
                       'and will be removed after Nova 13.0.0 is released. Use '
                       'python-cinderclient or python-openstacksdk instead.',
                       DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             self._delete("/types/%s" % base.getid(volume_type))
 
     def create(self, name):
@@ -89,7 +92,8 @@ class VolumeTypeManager(base.ManagerWithFind):
                       'and will be removed after Nova 13.0.0 is released. Use '
                       'python-cinderclient or python-openstacksdk instead.',
                       DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             body = {
                 "volume_type": {
                     "name": name,

novaclient/v2/volumes.py

@@ -68,7 +68,8 @@ class VolumeManager(base.ManagerWithFind):
                       '13.0.0 is released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
         # NOTE(melwitt): Ensure we use the volume endpoint for this call
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             body = {'volume': {'size': size,
                                'snapshot_id': snapshot_id,
                                'display_name': display_name,
@@ -89,7 +90,8 @@ class VolumeManager(base.ManagerWithFind):
                       'method is deprecated and will be removed after Nova '
                       '13.0.0 is released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             return self._get("/volumes/%s" % volume_id, "volume")
 
     def list(self, detailed=True, search_opts=None):
@@ -102,7 +104,8 @@ class VolumeManager(base.ManagerWithFind):
                       'method is deprecated and will be removed after Nova '
                       '13.0.0 is released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             search_opts = search_opts or {}
 
             if 'name' in search_opts.keys():
@@ -128,7 +131,8 @@ class VolumeManager(base.ManagerWithFind):
                       'method is deprecated and will be removed after Nova '
                       '13.0.0 is released. Use python-cinderclient or '
                       'python-openstacksdk instead.', DeprecationWarning)
-        with self.alternate_service_type('volume'):
+        with self.alternate_service_type(
+                'volumev2', allowed_types=('volume', 'volumev2')):
             self._delete("/volumes/%s" % base.getid(volume))
 
     def create_server_volume(self, server_id, volume_id, device=None):