Deploy registry on first node in k8s

Also use local directory for registry storage. It allows use builded
images after redeploy registry.

Change-Id: Ia3ffc04275dc675dc9863decb7ced20d890473a1

tools/registry/deploy-registry.sh

@@ -7,11 +7,12 @@ function usage {
     echo "Usage:"
     echo "  $base_name -s <address>"
     echo "  $base_name -n <namespace>"
+    echo "  $base_name -i <node>"
 }
 
 NAMESPACE_OPT=" --namespace kube-system"
 
-while getopts "s:n:" opt; do
+while getopts "s:n:i:" opt; do
     case $opt in
         "s" )
             SRV_OPT=" -s $OPTARG"
@@ -19,6 +20,9 @@ while getopts "s:n:" opt; do
         "n" )
             NAMESPACE_OPT=" --namespace $OPTARG"
             ;;
+        "i" )
+            NODE="$OPTARG"
+            ;;
         * )
             usage
             exit 1
@@ -32,6 +36,13 @@ function kube_cmd {
     kubectl $SRV_OPT $NAMESPACE_OPT "$@"
 }
 
+if [ -z $NODE ]; then
+    NODE=$(kubectl get nodes -o template --template="{{ with index .items 0 }}{{ .metadata.name }}{{ end }}")
+    echo "K8S node is not specified, using $NODE"
+fi
+
+kubectl label node $NODE app=ccp-registry --overwrite
+
 workdir=$(dirname $0)
 
 kube_cmd create -f $workdir/registry-pod.yaml

tools/registry/registry-pod.yaml

@@ -12,9 +12,18 @@ spec:
       ports:
         - containerPort: 5000
           hostPort: 5000
+      volumeMounts:
+        - mountPath: /var/lib/registry
+          name: registry-volume
       readinessProbe:
         httpGet:
           path: /v2/_catalog
           port: 5000
         initialDelaySeconds: 3
         timeoutSeconds: 1
+  nodeSelector:
+    app: ccp-registry
+  volumes:
+    - name: registry-volume
+      hostPath:
+        path: /var/lib/ccp-registry