Add horizon service definition for k8s

Change-Id: I379620e05ebc82cf26aaf63f84d5c58120cb48a2

docker/Dockerfile.j2

@@ -1,10 +1,12 @@
 FROM {{ namespace }}/openstack-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+#netcat is for test whether keystone is alive
 RUN apt-get update \
     && apt-get install --no-install-recommends -q -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" \
         apache2 \
         libapache2-mod-wsgi \
+        netcat \
     && ln -s ../mods-available/headers.load /etc/apache2/mods-enabled/headers.load
 
 RUN curl -o horizon-{{ branch }}.tar.gz http://tarballs.openstack.org/horizon/horizon-{{ branch }}.tar.gz \
@@ -18,7 +20,7 @@ RUN mv horizon*/ horizon-{{ branch }}/ \
     && /var/lib/microservices/venv/bin/pip --no-cache-dir install --upgrade -c /horizon-{{ branch }}/requirements.txt /horizon-{{ branch  }} \
     && useradd --user-group horizon \
     && ln -s /etc/openstack-dashboard/local_settings /var/lib/microservices/venv/lib/python2.7/site-packages/openstack_dashboard/local/local_settings.py \
-    && cp -r /horizon-source/openstack_dashboard/conf/* /etc/openstack-dashboard/ \
+    && cp -r /horizon-{{ branch }}/openstack_dashboard/conf/* /etc/openstack-dashboard/ \
     && cp /horizon-{{ branch }}/manage.py /var/lib/microservices/venv/bin/manage.py \
     && /var/lib/microservices/venv/bin/python /var/lib/microservices/venv/bin/manage.py collectstatic --noinput --clear \
     && chown -R horizon: /etc/openstack-dashboard /home/horizon /var/lib/microservices/venv/lib/python2.7/site-packages/static /horizon-{{ branch }}

docker/start.sh

@@ -1,10 +1,20 @@
 #!/bin/bash
 
-/var/lib/microservices/venv/bin/python /var/lib/microservices/venv/bin/manage.py compress --force
+/var/lib/microservices/venv/bin/python \
+    /var/lib/microservices/venv/bin/manage.py compress --force
 
 source /etc/apache2/envvars
 
-sed -i "s/Secret_String/${HORIZON_SECRET_KEY}" /etc/openstack-dashboard/local_settings
-sed -i "s/KEYSTONE_ADDRESS/${KEYSTONE_ADDRESS}" /etc/openstack-dashboard/local_settings
+sed -i "s/Secret_String/${HORIZON_SECRET_KEY}" \
+    /etc/openstack-dashboard/local_settings
+sed -i "s/KEYSTONE_ADDRESS/${KEYSTONE_ADDRESS}" \
+    /etc/openstack-dashboard/local_settings
+
+#check does keyston is alive
+nc -z -v -w5 ${KEYSTONE_ADDRESS} 5000
+if [ $? -ne 0 ];then
+    exit 1
+fi
+
 
 exec /usr/sbin/apache2 -DNO_DETACH

service/horizon.yaml.j2

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: horizon
+  labels:
+    app: horizon
+spec:
+  containers:
+    - name: horizon
+      image: {{ namespace }}/horizon:{{ tag }}
+      env:
+        - name: KEYSTONE_ADDRESS
+          value: keystone-service.default.svc.cluster.local
+      imagePullPolicy: Always
+      ports:
+        - containerPort: 80
+          hostPort: 80

service/service-horizon.yaml.j2

@@ -0,0 +1,23 @@
+{
+    "kind": "Service",
+    "apiVersion": "v1",
+    "metadata": {
+        "name": "horizon-service"
+    },
+    "spec": {
+        "selector": {
+          "app": "horizon"
+        },
+        "ports": [
+            {
+                "name": "www",
+                "protocol": "TCP",
+                "port": 80,
+                "targetPort": 80,
+                "nodePort": 30080
+            }
+       ],
+        "type": "NodePort"
+    }
+}
+