Publish images to Docker Hub (#5264)

This commit enables the images publishing to Docker Hub in Drone CI. Every pull request merging will trigger this process.

.drone.yml

@@ -50,6 +50,8 @@ pipeline:
       - mail_pwd
       - npm_password
       - npm_username
+      - docker_hub_username
+      - docker_hub_password
     commands:
       - export DOMAIN=${CI_DOMAIN}
       - export HOST_CONTAINER_ID=$(hostname)

tests/integration.sh

@@ -115,6 +115,18 @@ function package_offline_installer {
     du -ks $harbor_build_bundle | awk '{print $1 / 1024}' | { read x; echo $x MB; }
 }
 
+# publish images to Docker Hub
+function publishImage {
+    echo "Publishing images to Docker Hub..."
+    echo "The images on the host:"
+    docker images
+    docker login -u $DOCKER_HUB_USERNAME -p $DOCKER_HUB_PASSWORD
+    # rename the images with tag "dev" and push to Docker Hub
+    docker images | sed -n "s|\(vmware/[-._a-z0-9]*\)\s*\(.*$Harbor_Assets_Version\).*|docker tag \1:\2 \1:dev;docker push \1:dev|p" | bash
+    echo "Images are published successfully"
+    docker images
+}
+
 ## --------------------------------------------- Run Test Case ---------------------------------------------
 echo "--------------------------------------------------"
 echo "Running CI for $DRONE_BUILD_EVENT on $DRONE_BRANCH"
@@ -128,7 +140,7 @@ echo "--------------------------------------------------"
 if [[ $DRONE_BRANCH == "master" || $DRONE_BRANCH == *"refs/tags"* || $DRONE_BRANCH == "release-"* ]]; then
     if [[ $DRONE_BUILD_EVENT == "push" ]]; then
         package_offline_installer 
-        upload_latest_build=true     
+        upload_latest_build=true    
     fi
 fi
 
@@ -187,6 +199,7 @@ if [ $upload_build == true ] && [ $rc -eq 0 ]; then
     uploader $harbor_build_bundle $harbor_target_bucket
     uploader harbor-offline-installer-latest.tgz $harbor_target_bucket 
     upload_bundle_success=true 
+    publishImage 
 fi
 
 ## --------------------------------------------- Upload Harbor Latest Build File ----------------------------------