Merge pull request silinternational#103 from silinternational/develop

add flag to enable rollback, default value is disabled

README.md

@@ -31,6 +31,7 @@ Usage
                                       Note: This number must be 1 or higher (i.e. keep only the current revision ACTIVE).
                                             Max definitions causes all task revisions not matching criteria to be deregistered, even if they're created manually.
                                             Script will only perform deregistration if deployment succeeds.
+        --enable-rollback             Rollback task definition if new version is not running before TIMEOUT
         -v | --verbose                Verbose output
 
     Examples:

ecs-deploy

@@ -12,6 +12,7 @@ TIMEOUT=90
 VERBOSE=false
 TAGVAR=false
 TAGONLY=""
+ENABLE_ROLLBACK=false
 AWS_CLI=$(which aws)
 AWS_ECS="$AWS_CLI --output json ecs"
 
@@ -45,6 +46,7 @@ Optional arguments:
     -e | --tag-env-var      Get image tag name from environment variable. If provided this will override value specified in image name argument.
     -to | --tag-only        New tag to apply to all images defined in the task (multi-container task). If provided this will override value specified in image name argument.
     --max-definitions       Number of Task Definition Revisions to persist before deregistering oldest revisions.
+    --enable-rollback       Rollback task definition if new version is not running before TIMEOUT
     -v | --verbose          Verbose output
 
 Requirements:
@@ -363,7 +365,9 @@ function updateService() {
         if [[ "${UPDATE_SERVICE_SUCCESS}" != "true" ]]; then
             # Timeout
             echo "ERROR: New task definition not running within $TIMEOUT seconds"
-            rollback
+            if [[ "${ENABLE_ROLLBACK}" != "false" ]]; then
+              rollback
+            fi
             exit 1
         fi
     else
@@ -485,6 +489,9 @@ if [ "$BASH_SOURCE" == "$0" ]; then
                 MAX_DEFINITIONS="$2"
                 shift
                 ;;
+            --enable-rollback)
+                ENABLE_ROLLBACK=true
+                ;;
             -v|--verbose)
                 VERBOSE=true
                 ;;