Independent control of use of docker cache for builder containers

Signed-off-by: Scott Little <scott.little@windriver.com>
Change-Id: I1c00af1efb695aea7908ec415266a0f53e8444a5

pipelines/monolithic.Jenkinsfile

@@ -134,6 +134,9 @@ pipeline {
         booleanParam (
             name: 'REBUILD_BUILDER_IMAGES'
         )
+        booleanParam (
+            name: 'BUILDER_USE_DOCKER_CACHE'
+        )
         booleanParam (
             name: 'REFRESH_SOURCE'
         )

pipelines/parts/start-containers.Jenkinsfile

@@ -40,6 +40,9 @@ pipeline {
         booleanParam (
             name: 'REBUILD_BUILDER_IMAGES'
         )
+        booleanParam (
+            name: 'BUILDER_USE_DOCKER_CACHE'
+        )
         booleanParam (
             name: 'USE_DOCKER_CACHE'
         )

scripts/start-containers.sh

@@ -17,7 +17,7 @@ set -x
 load_build_env
 
 # start containers
-if $USE_DOCKER_CACHE ; then
+if $BUILDER_USE_DOCKER_CACHE ; then
     cache_opts="--cache"
 fi
 if $REBUILD_BUILDER_IMAGES ; then