From 3e5dff06fc72f5ef1c4b65d64ec443335c40f795 Mon Sep 17 00:00:00 2001
From: Luke Meyer <lmeyer@redhat.com>
Date: Thu, 22 Jun 2017 15:26:05 -0400
Subject: releases: enable build/push with multiple tags

---
 hack/build-images.sh | 20 +++++++++++++------
 hack/push-release.sh | 56 ++++++++++++++++++++--------------------------------
 2 files changed, 35 insertions(+), 41 deletions(-)

diff --git a/hack/build-images.sh b/hack/build-images.sh
index ce421178f..6e6d360bf 100755
--- a/hack/build-images.sh
+++ b/hack/build-images.sh
@@ -47,7 +47,7 @@ if [ "$help" = true ]; then
   echo "  default: openshift/origin-ansible"
   echo
   echo "  --version=VERSION"
-  echo "  The version used to tag the image"
+  echo "  The version used to tag the image (can be a comma-separated list)"
   echo "  default: latest"
   echo 
   echo "  --no-cache"
@@ -62,25 +62,33 @@ if [ "$help" = true ]; then
   exit 0
 fi
 
+
 if [ "$verbose" = true ]; then
   set -x
 fi
 
 BUILD_STARTTIME=$(date +%s)
 comp_path=$source_root/
-docker_tag=${prefix}:${version}
+
+# turn comma-separated versions into -t args for docker build
+IFS=',' read -r -a version_arr <<< "$version"
+docker_tags=()
+for tag in "${version_arr[@]}"; do
+  docker_tags+=("-t" "${prefix}:${tag}")
+done
+
 echo
 echo
-echo "--- Building component '$comp_path' with docker tag '$docker_tag' ---"
-docker build ${options} -t $docker_tag $comp_path
-BUILD_ENDTIME=$(date +%s); echo "--- $docker_tag took $(($BUILD_ENDTIME - $BUILD_STARTTIME)) seconds ---"
+echo "--- Building component '$comp_path' with docker tag(s) '$version' ---"
+docker build ${options} "${docker_tags[@]}" $comp_path
+BUILD_ENDTIME=$(date +%s); echo "--- ${version} took $(($BUILD_ENDTIME - $BUILD_STARTTIME)) seconds ---"
 echo
 echo
 
 echo
 echo
 echo "++ Active images"
-docker images | grep ${prefix} | grep ${version} | sort
+docker images | grep ${prefix} | sort
 echo
 
 
diff --git a/hack/push-release.sh b/hack/push-release.sh
index 131ed83ca..1f41ab179 100755
--- a/hack/push-release.sh
+++ b/hack/push-release.sh
@@ -1,55 +1,41 @@
 #!/bin/bash
 
-# This script pushes all of the built images to a registry.
+# This script pushes a built image to a registry.
 #
-# Set OS_PUSH_BASE_REGISTRY to prefix the destination images
+# Set OS_PUSH_BASE_REGISTRY to prefix the destination images e.g.
+# OS_PUSH_BASE_REGISTRY="docker.io/"
 #
+# Set OS_PUSH_TAG with a comma-separated list for pushing same image
+# to multiple tags e.g.
+# OS_PUSH_TAG="latest,v3.6"
 
 set -o errexit
 set -o nounset
 set -o pipefail
 
-STARTTIME=$(date +%s)
-OS_ROOT=$(dirname "${BASH_SOURCE}")/..
+starttime=$(date +%s)
 
-PREFIX="${PREFIX:-openshift/origin-ansible}"
+# image name without repo or tag.
+image="${PREFIX:-openshift/origin-ansible}"
 
-# Go to the top of the tree.
-cd "${OS_ROOT}"
+# existing local tag on the image we want to push
+source_tag="${OS_TAG:-latest}"
 
-# Allow a release to be repushed with a tag
-tag="${OS_PUSH_TAG:-}"
-if [[ -n "${tag}" ]]; then
-  tag=":${tag}"
-else
-  tag=":latest"
-fi
-
-# Source tag
-source_tag="${OS_TAG:-}"
-if [[ -z "${source_tag}" ]]; then
-  source_tag="latest"
-fi
-
-images=(
-  ${PREFIX}
-)
+# Enable retagging a build with one or more tags for push
+IFS=',' read -r -a push_tags <<< "${OS_PUSH_TAG:-latest}"
+registry="${OS_PUSH_BASE_REGISTRY:-}"
 
+# force push if available
 PUSH_OPTS=""
 if docker push --help | grep -q force; then
   PUSH_OPTS="--force"
 fi
 
-if [[ "${OS_PUSH_BASE_REGISTRY-}" != "" || "${tag}" != "" ]]; then
-  set -e
-  for image in "${images[@]}"; do
-    docker tag "${image}:${source_tag}" "${OS_PUSH_BASE_REGISTRY-}${image}${tag}"
-  done
-  set +e
-fi
-
-for image in "${images[@]}"; do
-  docker push ${PUSH_OPTS} "${OS_PUSH_BASE_REGISTRY-}${image}${tag}"
+set -x
+for tag in "${push_tags[@]}"; do
+  docker tag "${image}:${source_tag}" "${registry}${image}:${tag}"
+  docker push ${PUSH_OPTS} "${registry}${image}:${tag}"
 done
+set +x
 
-ret=$?; ENDTIME=$(date +%s); echo "$0 took $(($ENDTIME - $STARTTIME)) seconds"; exit "$ret"
+endtime=$(date +%s); echo "$0 took $(($endtime - $starttime)) seconds"; exit 0
-- 
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