Add helper script to print sha/md5 of tar files

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

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}