Add a grenade job for bind9

The current grenade job tests only with pdns4, but it would be valuable
to also test with bind9 to discern upgrade issues when bind9 is in use.

Change-Id: I118cc92e3950540d725f433dfe5d9590cbdab616

.zuul.yaml

@@ -118,7 +118,7 @@
         DESIGNATE_BACKEND_DRIVER: pdns4
 
 - job:
-    name: designate-grenade-pdns4
+    name: designate-grenade-common
     parent: grenade
     required-projects:
       - opendev.org/openstack/horizon
@@ -126,7 +126,6 @@
       - opendev.org/openstack/designate-dashboard
       - opendev.org/openstack/designate-tempest-plugin
       - opendev.org/openstack/python-designateclient
-    post-run: playbooks/designate-pdns4/post.yaml
     vars:
       devstack_plugins:
         designate: https://opendev.org/openstack/designate
@@ -145,10 +144,6 @@
         s-object: false
         s-proxy: false
         c-bak: false
-      grenade_devstack_localrc:
-        shared:
-          DESIGNATE_BACKEND_DRIVER: pdns4
-          DESIGNATE_SERVICE_PORT_DNS: 5322
       grenade_localrc:
         BASE_RUN_SMOKE: False
       tox_envlist: all
@@ -162,6 +157,22 @@
       - ^etc/.*$
       - ^releasenotes/.*$
 
+- job:
+    name: designate-grenade-pdns4
+    parent: designate-grenade-common
+    post-run: playbooks/designate-pdns4/post.yaml
+    vars:
+      grenade_devstack_localrc:
+        shared:
+          DESIGNATE_BACKEND_DRIVER: pdns4
+          DESIGNATE_SERVICE_PORT_DNS: 5322
+
+- job:
+    name: designate-grenade-bind9
+    parent: designate-grenade-common
+    post-run: playbooks/designate-bind9/post.yaml
+    voting: false
+
 - job:
     name: designate-tox-dnspython-latest
     parent: openstack-tox
@@ -181,6 +192,7 @@
             voting: false
         - designate-bind9-scoped-tokens
         - designate-pdns4
+        - designate-grenade-bind9
         - designate-grenade-pdns4
         - designate-ipv6-only-pdns4
         - designate-ipv6-only-bind9

devstack/upgrade/resources.sh

@@ -18,6 +18,7 @@ DESIGNATE_ZONE_EMAIL=hostmaster@example.com
 DESIGNATE_RRSET_NAME=www.example.com.
 DESIGNATE_RRSET_TYPE=A
 DESIGNATE_RRSET_RECORD=10.0.0.1
+DESIGNATE_SERVICE_PORT_DNS=${DESIGNATE_SERVICE_PORT_DNS:-53}
 # used with dig to look up in DNS
 DIG_FLAGS="-p $DESIGNATE_SERVICE_PORT_DNS @$SERVICE_HOST"
 DIG_TIMEOUT=30