Avoid colissions between docker-build jobs

Problem to be fixed: if the job detects that there is another
docker-build in progress it will exit but won't be triggered again
until it detects a new commit in the repo.

Change-Id: Ifee419f50fa9d4cb21825302688e1af3311c4bb9
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/jjb/opnfv/opnfv-docker.sh b/jjb/opnfv/opnfv-docker.sh
index 8f44268e6..702c0ce52 100644
--- a/jjb/opnfv/opnfv-docker.sh
+++ b/jjb/opnfv/opnfv-docker.sh
@@ -17,6 +17,14 @@ echo "--------------------------------------------------------"
 echo
 
 
+if [[ -n $(ps -ef|grep 'docker build'|grep -v grep) ]]; then
+    echo "There is already another build process in progress:"
+    echo $(ps -ef|grep 'docker build'|grep -v grep)
+    # Abort this job since it will colide and might mess up the current one.
+    echo "Aborting..."
+    exit 1
+fi
+
 # Remove previous running containers if exist
 if [[ -n "$(docker ps -a | grep $DOCKER_REPO_NAME)" ]]; then
     echo "Removing existing $DOCKER_REPO_NAME containers..."