Add a tempest test job with sqlalchemy 2.x

Now that nova removed the use of "migrate" we can add a tempest test job
with sqlalchemy 2.x.

Change-Id: Ibc6b1a67a14c8a83c1f679a9e3302e9c2eb25983

.zuul.yaml

@@ -81,6 +81,19 @@
     parent: designate-bind9
     nodeset: devstack-single-node-centos-9-stream
 
+- job:
+    name: designate-bind9-sqlalchemy-2x
+    parent: designate-bind9
+    description: |
+      Run tempest tests with main branch of SQLAlchemy, alembic and oslo.db.
+    # The job only tests the latest and shouldn't be run on the stable branches
+    branches: ^(?!stable)
+    required-projects:
+      - name: openstack/oslo.db
+    vars:
+      devstack_localrc:
+        USE_SQLALCHEMY_LATEST: true
+
 - job:
     name: designate-pdns4
     post-run: playbooks/designate-pdns4/post.yaml
@@ -231,12 +244,14 @@
       jobs:
         - neutron-tempest-plugin-designate-scenario
         - designate-tox-py310-with-sqlalchemy-2x
+        - designate-bind9-sqlalchemy-2x
         - designate-tox-dnspython-latest:
             voting: false
     gate:
       jobs:
         - neutron-tempest-plugin-designate-scenario
         - designate-tox-py310-with-sqlalchemy-2x
+        - designate-bind9-sqlalchemy-2x
     experimental:
       jobs:
         - designate-pdns4-postgres

devstack/plugin.sh

@@ -211,6 +211,9 @@ function init_designate {
     # (Re)create designate database
     recreate_database designate utf8
 
+    if [[ "$USE_SQLALCHEMY_LATEST" == "True" ]]; then
+        pip3 install --upgrade alembic sqlalchemy
+    fi
     # Init and migrate designate database
     $DESIGNATE_BIN_DIR/designate-manage database sync