Delete docker images by tag in Functest docker job

JIRA: FUNCTEST-78

Change-Id: Ibb0be531149fed848caa1670dcc1d53c607d26d2
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

1 files changed, 9 insertions, 7 deletions

diff --git a/jjb/functest/functest-docker.sh b/jjb/functest/functest-docker.sh
index 54315cad1..c73bcf99a 100644
--- a/jjb/functest/functest-docker.sh
+++ b/jjb/functest/functest-docker.sh
@@ -26,6 +26,7 @@ else
     echo "Tag version to be build and pushed: $DOCKER_TAG"
 fi
 
+
 # Remove previous running containers if exist
 if [[ ! -z $(docker ps -a | grep $DOCKER_IMAGE_NAME) ]]; then
     echo "Removing existing $DOCKER_IMAGE_NAME containers..."
@@ -33,20 +34,21 @@ if [[ ! -z $(docker ps -a | grep $DOCKER_IMAGE_NAME) ]]; then
     docker ps -a | grep $DOCKER_IMAGE_NAME | awk '{{print $1}}' | xargs docker rm
 fi
 
-# list the images
-echo "Available images are:"
-docker images
 
 # Remove existing images if exist
 if [[ ! -z $(docker images | grep $DOCKER_IMAGE_NAME) ]]; then
-    echo "Removing existing $DOCKER_IMAGE_NAME images..."
-    docker images | grep $DOCKER_IMAGE_NAME | awk '{{print $3}}' \
-        | xargs docker rmi -f
+    echo "Docker images to remove:"
+    docker images | head -1 && docker images | grep $DOCKER_IMAGE_NAME
+    image_tags=($(docker images | grep $DOCKER_IMAGE_NAME | awk '{{print $2}}'))
+    for tag in "${{image_tags[@]}}"; do
+        echo "Removing docker image $DOCKER_IMAGE_NAME:$tag..."
+        docker rmi $DOCKER_IMAGE_NAME:$tag
+    done
 fi
 
 
 # Start the build
-echo "Building of $DOCKER_IMAGE_NAME:$DOCKER_TAG..."
+echo "Building docker image: $DOCKER_IMAGE_NAME:$DOCKER_TAG..."
 cd $WORKSPACE/docker
 docker build -t $DOCKER_IMAGE_NAME:$DOCKER_TAG .
 echo "Creating tag 'latest'..."