Add gerrit and zuul bits

Update first supported release to be from UCA bionic-train / eoan.

Change-Id: I77d4209fc56b4b9bb2a5f8d3666316f77e64289d

.gitreview

@@ -0,0 +1,4 @@
+[gerrit]
+host=review.opendev.org
+port=29418
+project=x/charm-ovn-central.git

.zuul.yaml

@@ -0,0 +1,4 @@
+- project:
+    templates:
+      - openstack-python3-train-jobs
+      - openstack-cover-jobs

src/lib/charm/openstack/ovn_central.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import collections
 import os
 import subprocess
 
@@ -48,7 +49,14 @@ def ovn_ca_cert(cls):
 
 
 class OVNCentralCharm(charms_openstack.charm.OpenStackCharm):
-    release = 'stein'
+    # OpenvSwitch and OVN is distributed as part of the Ubuntu Cloud Archive
+    # Pockets get their name from OpenStack releases
+    release = 'train'
+    package_codenames = {
+        'ovn-central': collections.OrderedDict([
+            ('2.12', 'train'),
+        ]),
+    }
     name = 'ovn-central'
     packages = ['ovn-central']
     services = ['ovn-central']

src/metadata.yaml

@@ -25,7 +25,7 @@ tags:
   - networking
 series:
   - bionic
-  - disco
+  - eoan
 subordinate: false
 provides:
   ovsdb:

src/test-requirements.txt

@@ -8,4 +8,4 @@ flake8>=2.2.4,<=2.4.1
 stestr>=2.2.0
 requests>=2.18.4
 git+https://github.com/openstack-charmers/zaza.git#egg=zaza
-git+https://github.com/openstack-charmers/zaza-openstack-tests.git@add-ovn#egg=zaza.openstack
+git+https://github.com/openstack-charmers/zaza-openstack-tests.git#egg=zaza.openstack

src/tests/bundles/bionic.yaml

@@ -16,4 +16,4 @@ applications:
     charm: cs:~openstack-charmers-next/ovn-central
     num_units: 3
     options:
-      source: cloud:bionic-stein
+      source: cloud:bionic-train

src/tests/bundles/eoan.yaml

@@ -1,4 +1,4 @@
-series: disco
+series: eoan
 relations:
 - - vault:shared-db
   - mysql:shared-db
@@ -6,12 +6,12 @@ relations:
   - vault:certificates
 applications:
   mysql:
-    charm: cs:~openstack-charmers-next/percona-cluster
+    charm: cs:~openstack-charmers-next/mysql-innodb-cluster
-    num_units: 1
+    num_units: 3
   vault:
     charm: cs:~openstack-charmers-next/vault
     num_units: 1
   ovn-central:
-    series: disco
+    series: eoan
     charm: cs:~openstack-charmers-next/ovn-central
     num_units: 3

src/tests/tests.yaml

@@ -1,6 +1,6 @@
 charm_name: ovn-central
 gate_bundles:
-- disco
+- eoan
 - bionic
 smoke_bundles:
 - bionic