Add mysql cluster to magnum deployment

Change-Id: I326a9e971ebce094670972bd7f68fac86fa2252a

chart/test-values.yaml

@@ -24,5 +24,6 @@ configMap:
   heat:
     configDir: /etc/heat
   magnum:
-    configDir: /etc/magnum
+    mysql:
+      size: 10Gi
   chronyd: {}

config/samples/operator-config.yaml

@@ -16,6 +16,5 @@ data:
         host:
           api: "h-api.vexxhost.com"
           api-cfn: "h-api-cfn.vexxhost.com"
-    magnum:
-      configDir: /etc/magnum
+    magnum: {}
     chronyd: {}

devstack/lib/magnum

@@ -141,7 +141,12 @@ function create_magnum_conf {
     iniset $MAGNUM_CONF DEFAULT transport_url "rabbit://$MAGNUM_RABBITMQ_USERNAME:$MAGNUM_RABBITMQ_PASSWORD@rabbitmq-magnum:5672/"
     iniset $MAGNUM_CONF DEFAULT host "$HOSTNAME"
 
-    iniset $MAGNUM_CONF database connection `database_connection_url magnum`
+    # Get mysql password
+    MAGNUM_DATABASE_USER=$(get_data_from_secret magnum-mysql openstack USER)
+    MAGNUM_DATABASE_PASSWORD=$(get_data_from_secret magnum-mysql openstack PASSWORD)
+    MAGNUM_DATABASE_NAME=$(get_data_from_secret magnum-mysql openstack DATABASE)
+    iniset $MAGNUM_CONF database connection "mysql+pymysql://$MAGNUM_DATABASE_USER:$MAGNUM_DATABASE_PASSWORD@magnum-mysql/$MAGNUM_DATABASE_NAME?charset=utf8"
+
     iniset $MAGNUM_CONF api host "$MAGNUM_SERVICE_HOST"
     if is_service_enabled tls-proxy; then
         iniset $MAGNUM_CONF api port "$MAGNUM_SERVICE_PORT_INT"
@@ -258,17 +263,12 @@ function create_magnum_cache_dir {
 }
 
 
-# init_magnum() - Initialize databases, etc.
+# init_magnum()
 function init_magnum {
 	kubectl create secret generic magnum-config --from-file=/etc/magnum/magnum.conf --from-file=/etc/magnum/api-paste.ini -n openstack
 
     # NOTE: Permissions here are bad but it's temporary so we don't care as much.
 	sudo chmod -Rv 777 /etc/magnum
-    # Only do this step once on the API node for an entire cluster.
-    if is_service_enabled $DATABASE_BACKENDS; then
-        # (Re)create magnum database
-        recreate_database magnum
-    fi
 }
 
 # magnum_register_image - Register heat image for magnum with property os_distro

openstack_operator/magnum.py

@@ -19,6 +19,7 @@ the appropriate deployments, an instance of Memcache, RabbitMQ and a database
 server for the installation.
 """
 
+from openstack_operator import database
 from openstack_operator import utils
 
 
@@ -29,6 +30,21 @@ def create_or_resume(name, spec, **_):
     start the service up for the first time.
     """
 
+    # deploy mysql
+    if "mysql" not in spec:
+        spec["mysql"] = {}
+    database.ensure_mysql_cluster("magnum", spec["mysql"])
+
+    # deploy memcached
+    utils.create_or_update('magnum/memcached.yml.j2', spec=spec)
+
+    # deploy rabbitmq
+    if not utils.ensure_secret("openstack", "magnum-rabbitmq"):
+        utils.create_or_update('magnum/secret-rabbitmq.yml.j2',
+                               password=utils.generate_password())
+    utils.create_or_update('magnum/rabbitmq.yml.j2', spec=spec)
+
+    # deploy magnum
     config_hash = utils.generate_hash(spec)
     for component in ("api", "conductor"):
         utils.create_or_update('magnum/daemonset.yml.j2',
@@ -38,14 +54,6 @@ def create_or_resume(name, spec, **_):
 
     utils.create_or_update('magnum/service.yml.j2',
                            name=name)
-
-    utils.create_or_update('magnum/memcached.yml.j2', spec=spec)
-    # deploy rabbitmq
-    if not utils.ensure_secret("openstack", "magnum-rabbitmq"):
-        utils.create_or_update('magnum/secret-rabbitmq.yml.j2',
-                               password=utils.generate_password())
-    utils.create_or_update('magnum/rabbitmq.yml.j2', spec=spec)
-
     if "ingress" in spec:
         utils.create_or_update('magnum/ingress.yml.j2',
                                name=name, spec=spec)