add command to generate changelog

Makefile

@@ -641,3 +641,4 @@ gen-changelog: ## Generate changelog entry for the current branch based on the c
 .PHONY: help
 help: ## Display this help.
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+

build-support/scripts/gen-changelog-all.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+set -eo pipefail
+
+curdir=$(pwd)
+if [[ ! $curdir == *"enterprise"* ]]; then
+  echo "This script should be run from the enterprise directory."
+  exit 1
+fi
+
+LAST_RELEASE_GIT_TAG="$1"
+
+if [ -z "$LAST_RELEASE_GIT_TAG" ]; then
+  read -p "Enter the last release git tag (vX.Y.Z): " LAST_RELEASE_GIT_TAG
+fi
+
+if [ -z "$LAST_RELEASE_GIT_TAG" ]; then
+  echo "Last release git tag is required."
+  exit 1
+fi
+
+if [[ ! $LAST_RELEASE_GIT_TAG == v* ]]; then
+  echo "Last release git tag should start with 'v'."
+  exit 1
+fi
+
+go run github.com/hashicorp/go-changelog/cmd/changelog-build@latest -last-release ${LAST_RELEASE_GIT_TAG}+ent -entries-dir .changelog/ -changelog-template .changelog/changelog.tmpl -note-template .changelog/note.tmpl -this-release $(git rev-parse HEAD)