[SPARK-24547] Allow for building spark on k8s docker images without

cache, and include spark-py when pushing to registry.

bin/docker-image-tool.sh

@@ -70,17 +70,18 @@ function build {
   local BASEDOCKERFILE=${BASEDOCKERFILE:-"$IMG_PATH/spark/Dockerfile"}
   local PYDOCKERFILE=${PYDOCKERFILE:-"$IMG_PATH/spark/bindings/python/Dockerfile"}
 
-  docker build "${BUILD_ARGS[@]}" \
+  docker build $NOCACHEARG "${BUILD_ARGS[@]}" \
     -t $(image_ref spark) \
     -f "$BASEDOCKERFILE" .
 
-    docker build "${BINDING_BUILD_ARGS[@]}" \
+  docker build $NOCACHEARG "${BINDING_BUILD_ARGS[@]}" \
     -t $(image_ref spark-py) \
     -f "$PYDOCKERFILE" .
 }
 
 function push {
   docker push "$(image_ref spark)"
+  docker push "$(image_ref spark-py)"
 }
 
 function usage {
@@ -99,6 +100,7 @@ Options:
   -r repo     Repository address.
   -t tag      Tag to apply to the built image, or to identify the image to be pushed.
   -m          Use minikube's Docker daemon.
+  -n          Build docker image with --no-cache
 
 Using minikube when building images will do so directly into minikube's Docker daemon.
 There is no need to push the images into minikube in that case, they'll be automatically
@@ -127,14 +129,16 @@ REPO=
 TAG=
 BASEDOCKERFILE=
 PYDOCKERFILE=
-while getopts f:mr:t: option
+NOCACHEARG=
+while getopts f:mr:t:n option
 do
  case "${option}"
  in
  f) BASEDOCKERFILE=${OPTARG};;
  p) PYDOCKERFILE=${OPTARG};;
  r) REPO=${OPTARG};;
  t) TAG=${OPTARG};;
+ n) NOCACHEARG="--no-cache";;
  m)
    if ! which minikube 1>/dev/null; then
      error "Cannot find minikube."