Do not build docker image only pull it

Author: MarcialRosales

deps/amqp10_client/test/system_SUITE_data/ibmmq_runner

@@ -4,9 +4,8 @@ SCRIPT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 set -u
 
-IMAGE=ibm-pivotalrabbitmq/ibm-mqadvanced-server-dev
+IMAGE=pivotalrabbitmq/ibm-mqadvanced-server-dev
 IMAGE_TAG=9.3.5.1-amd64
-TAG=`docker images --filter reference=$IMAGE | grep $IMAGE_TAG`
 
 kill_container_if_exist() {
   if docker stop $1 &> /dev/null; then
@@ -15,12 +14,13 @@ kill_container_if_exist() {
 }
 
 ensure_docker_image_exists() {
+  TAG=`docker images --filter reference=$IMAGE | grep $IMAGE_TAG`
   if [ -z ${TAG+x} ]
   then
-    echo "Docker image ${IMAGE}:${TAG} does not exist"
+    echo "Docker image ${IMAGE}:${IMAGE_TAG} does not exist"
     exit 1
   else
-    echo "Docker image ${IMAGE}:${TAG} ready"
+    echo "Docker image ${IMAGE}:${IMAGE_TAG} ready"
   fi
 }
 
@@ -63,7 +63,7 @@ invoke_start(){
     --publish 9443:9443 \
     --publish 5672:5672 \
     --detach \
-    $IMAGE:$TAG
+    $IMAGE:$IMAGE_TAG
   wait_for_message ibmmq "The listener 'SYSTEM.LISTENER.TCP.1' has started."
   wait_for_message ibmmq "Successfully loaded default keystore"
 
@@ -81,7 +81,7 @@ invoke_stop(){
 
 case "$1" in
   version)
-    echo "IBM MQ ${IMAGE}:${TAG}"
+    echo "IBM MQ ${IMAGE}:${IMAGE_TAG}"
     ;;
   build)
     build_docker_image