Update PostgreSQL sequence names for zones/quotas.

Fixes LP Bug #993667.
Fixes LP Bug #993669.

Change-Id: Ifcc33929ced617916bd6613fc941257494f4a99b

1 files changed, 52 insertions, 0 deletions

diff --git a/nova/db/sqlalchemy/migrate_repo/versions/094_update_postgresql_sequence_names.py b/nova/db/sqlalchemy/migrate_repo/versions/094_update_postgresql_sequence_names.py
new file mode 100644
index 000000000..bad8735d0
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/094_update_postgresql_sequence_names.py
@@ -0,0 +1,52 @@
+# Copyright (c) 2012 Red Hat, Inc.
+# 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 sqlalchemy import MetaData
+
+
+def upgrade(migrate_engine):
+    meta = MetaData()
+    meta.bind = migrate_engine
+
+    # NOTE(dprince): Need to rename the leftover zones stuff and quota_new
+    # stuff from Essex for PostgreSQL.
+    if migrate_engine.name == "postgresql":
+        sql = """ALTER TABLE zones_id_seq RENAME TO cells_id_seq;
+              ALTER TABLE ONLY cells DROP CONSTRAINT zones_pkey;
+              ALTER TABLE ONLY cells ADD CONSTRAINT cells_pkey
+              PRIMARY KEY (id);
+
+              ALTER TABLE quotas_new_id_seq RENAME TO quotas_id_seq;
+              ALTER TABLE ONLY quotas DROP CONSTRAINT quotas_new_pkey;
+              ALTER TABLE ONLY quotas ADD CONSTRAINT quotas_pkey
+              PRIMARY KEY (id);"""
+        migrate_engine.execute(sql)
+
+
+def downgrade(migrate_engine):
+    meta = MetaData()
+    meta.bind = migrate_engine
+
+    if migrate_engine.name == "postgresql":
+        sql = """ALTER TABLE cells_id_seq RENAME TO zones_id_seq;
+              ALTER TABLE ONLY cells DROP CONSTRAINT cells_pkey;
+              ALTER TABLE ONLY cells ADD CONSTRAINT zones_pkey
+              PRIMARY KEY (id);
+
+              ALTER TABLE quotas_id_seq RENAME TO quotas_new_id_seq;
+              ALTER TABLE ONLY quotas DROP CONSTRAINT quotas_pkey;
+              ALTER TABLE ONLY quotas ADD CONSTRAINT quotas_new_pkey
+              PRIMARY KEY (id);"""
+        migrate_engine.execute(sql)