REPO-4735 Create script to check if docker image tag exists

.travis.yml

@@ -22,7 +22,8 @@ branches:
     - feature/REPO-4735_Add-release-stages
 
 stages:
-  - test
+  - name: test
+    if: branch !=feature/REPO-4735_Add-release-stages
   - engineering release
   - company release
   
@@ -99,6 +100,10 @@ jobs:
       # only on develop or master branch
       if: fork = false AND branch = feature/REPO-4735_Add-release-stages AND commit_message !~ /\[no-release\]/
       #TODO
+      env: 
+        - release.version=
+        - development.version=
+      before_install: ./scripts/travis/verifyReleaseTag.sh 
       name: "Maven release"
       install: skip  # Release command from bamboo
       script:

scripts/travis/verifyReleaseTag.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -e
+
+alfresco_docker_image="alfresco/alfresco-content-repository-community"
+release_version=""
+if [[-v ${release.version} || -z ${release.version}]]; then
+    release_version=${release.version}
+else
+    release_version=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+fi
+docker_image_full_name="$alfresco_docker_image:$release_version"
+echo docker_image_full_name
+
+function docker_image_exists() {
+  local image_full_name="$1"; shift
+    local wait_time="${1:-5}"
+    local search_term='Pulling|is up to date|not found'
+    local result="$((timeout --preserve-status "$wait_time" docker 2>&1 pull "$image_full_name" &) | grep -v 'Pulling repository' | egrep -o "$search_term")"
+    test "$result" || { echo "Timed out too soon. Try using a wait_time greater than $wait_time..."; return 1 ;}
+    if echo $result | grep -vq 'not found'; then
+        true
+    else 
+        false
+    fi
+}
+
+if docker_image_exists $docker_image_full_name; then
+    echo "Tag $release_version already pushed, release process will interrupt." 
+else
+    echo "The $release_version tag was not found"
+fi
+
+