From 86750df7c23a8892420ad119fff549ab097983a2 Mon Sep 17 00:00:00 2001
From: Zhen Wang <zhenw@google.com>
Date: Sat, 18 May 2024 00:57:20 +0000
Subject: [PATCH] Add helper script to print sha/md5 of tar files

During release, there is manual work of generating the sha and md5
values from the built tar. This PR adds the helper script to generate
those in markdown format, so that it easier and less error-prone.
---
 Makefile                  |  8 +++++--
 hack/print-tar-sha-md5.sh | 46 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 2 deletions(-)
 create mode 100755 hack/print-tar-sha-md5.sh

diff --git a/Makefile b/Makefile
index 8575fc5b..cec47dce 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,8 @@
         vet fmt version test e2e-test \
         build-binaries build-container build-tar build \
         docker-builder build-in-docker \
-        push-container push-tar push release clean depup
+        push-container push-tar push release clean depup \
+        print-tar-sha-md5
 
 all: build
 
@@ -273,7 +274,10 @@ push-tar: build-tar
 push: push-container push-tar
 
 # `make release` is used when releasing a new NPD version.
-release: push-container build-tar
+release: push-container build-tar print-tar-sha-md5
+
+print-tar-sha-md5: build-tar
+	./hack/print-tar-sha-md5.sh $(VERSION)
 
 coverage.out:
 	rm -f coverage.out
diff --git a/hack/print-tar-sha-md5.sh b/hack/print-tar-sha-md5.sh
new file mode 100755
index 00000000..5ca7ede9
--- /dev/null
+++ b/hack/print-tar-sha-md5.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Copyright 2024 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+VERSION="$1"
+
+NPD_LINUX_AMD64=node-problem-detector-${VERSION}-linux_amd64.tar.gz
+NPD_LINUX_ARM64=node-problem-detector-${VERSION}-linux_arm64.tar.gz
+NPD_WINDOWS_AMD64=node-problem-detector-${VERSION}-windows_amd64.tar.gz
+
+SHA_NPD_LINUX_AMD64=$(sha256sum ${NPD_LINUX_AMD64} | cut -d' ' -f1)
+SHA_NPD_LINUX_ARM64=$(sha256sum ${NPD_LINUX_ARM64} | cut -d' ' -f1)
+SHA_NPD_WINDOWS_AMD64=$(sha256sum ${NPD_WINDOWS_AMD64} | cut -d' ' -f1)
+
+MD5_NPD_LINUX_AMD64=$(md5sum ${NPD_LINUX_AMD64} | cut -d' ' -f1)
+MD5_NPD_LINUX_ARM64=$(md5sum ${NPD_LINUX_ARM64} | cut -d' ' -f1)
+MD5_NPD_WINDOWS_AMD64=$(md5sum ${NPD_WINDOWS_AMD64} | cut -d' ' -f1)
+
+echo
+echo **${NPD_LINUX_AMD64}**:
+echo **SHA**: ${SHA_NPD_LINUX_AMD64}
+echo **MD5**: ${MD5_NPD_LINUX_AMD64}
+echo
+echo **${NPD_LINUX_ARM64}**:
+echo **SHA**: ${SHA_NPD_LINUX_ARM64}
+echo **MD5**: ${MD5_NPD_LINUX_ARM64}
+echo
+echo **${NPD_WINDOWS_AMD64}**:
+echo **SHA**: ${SHA_NPD_WINDOWS_AMD64}
+echo **MD5**: ${MD5_NPD_WINDOWS_AMD64}