FAB-10294 script to publish multiarch manifest

Change-Id: I5fd2ebb60be5b62d34bd24b6b73e4299ccf376f3
Signed-off-by: Christopher Ferris <chrisfer@us.ibm.com>

Author: christo4ferris

scripts/multiarch.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+#
+# Copyright IBM Corp. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+usage() {
+  echo "Usage: $0 <username> <password>"
+  echo "<username> and <password> credentials for the repository"
+  echo "ENV:"
+  echo "  NS=$NS"
+  echo "  VERSION=$VERSION"
+  exit 1
+}
+
+missing() {
+  echo "Error: some image(s) missing from registry"
+  echo "ENV:"
+  echo "  NS=$NS"
+  echo "  VERSION=$VERSION"
+  exit 1
+}
+
+failed() {
+  echo "Error: multiarch manifest push failed"
+  echo "ENV:"
+  echo "  NS=$NS"
+  echo "  VERSION=$VERSION"
+  exit 1
+}
+
+USER=${1:-nobody}
+PASSWORD=${2:-nohow}
+NS=${NS:-hyperledger}
+VERSION=${BASE_VERSION:-1.1.0}
+
+if [ "$#" -ne 2 ]; then
+  usage
+fi
+
+# verify that manifest-tool is installed and found on PATH
+which manifest-tool
+if [ "$?" -ne 0 ]; then
+  echo "manifest-tool not installed or not found on PATH"
+  exit 1
+fi
+
+IMAGES="fabric-peer fabric-orderer fabric-ccenv fabric-tools"
+
+# check that all images have been published
+for image in ${IMAGES}; do
+  docker pull ${NS}/${image}:amd64-${VERSION} || missing
+  docker pull ${NS}/${image}:s390x-${VERSION} || missing
+done
+
+# push the multiarch manifest and tag with just $VERSION and 'latest'
+for image in ${IMAGES}; do
+  manifest-tool --username ${USER} --password ${PASSWORD} push from-args\
+   --platforms linux/amd64,linux/s390x --template "${NS}/${image}:ARCH-${VERSION}"\
+   --target "${NS}/${image}:${VERSION}"
+  manifest-tool --username ${USER} --password ${PASSWORD} push from-args\
+   --platforms linux/amd64,linux/s390x --template "${NS}/${image}:ARCH-${VERSION}"\
+   --target "${NS}/${image}:latest"
+done
+
+# test that manifest is working as expected
+for image in ${IMAGES}; do
+  docker pull ${NS}/${image}:${VERSION} || failed
+  docker pull ${NS}/${image}:latest || failed
+done
+
+echo "Successfully pushed multiarch manifest"
+exit 0