github-action: run GitHub tag/release events (#221)

Author: v1v

.github/workflows/create-tag.yml

@@ -1,5 +1,5 @@
 ---
-# Takes the version of elastic-apm in the Gemfile and creates a tag
+# Creates a new GitHub release if the version in Gemfile changed in the main branch and
 # if the tag does not exist yet.
 name: create-tag
 
@@ -11,7 +11,7 @@ on:
       - Gemfile
 
 permissions:
-  contents: write
+  contents: read
 
 jobs:
   tag:
@@ -20,10 +20,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # also fetch tags
-      - run: |
-          ELASTIC_APM_VERSION="v$(cat Gemfile | grep elastic-apm | awk 'BEGIN { FS=", " } { print $2 }' | tr -d \')"
-          # if the tag does not exist
-          if [[ ! $(git tag -l "${ELASTIC_APM_VERSION}") ]]; then
-            git tag ${ELASTIC_APM_VERSION}
-            git push origin "refs/tags/${ELASTIC_APM_VERSION}"
-          fi
+
+      - run: make create-release
+        env:
+          GH_TOKEN: ${{ secrets.CREATE_TAG_TOKEN }}

.github/workflows/release.yml

@@ -3,7 +3,6 @@ name: release
 on:
   push:
     branches: [ "main" ]
-  create:
     tags: [ "v*" ]
 
 permissions:

Makefile

@@ -2,6 +2,7 @@ PORT ?= 3000
 IMAGE ?= opbeans/opbeans-ruby
 VERSION ?= latest
 LTS_ALPINE ?= 12-alpine
+AGENT_VERSION=$(shell grep "elastic-apm" Gemfile | sed 's|.*, ||g' | tr -d \')
 
 .PHONY: help
 .DEFAULT_GOAL := help
@@ -35,3 +36,11 @@ publish: build ## Publish docker image
 clean: ## Clean autogenerated files/folders
 	@rm -rf bats
 	@rm -rf target
+
+create-release: ## Create github release given the APM Agent version if no tag release
+	@if [ -z "$(shell git tag -l v$(AGENT_VERSION))" ]; then \
+		echo "creating tag v$(AGENT_VERSION)"; \
+		gh release create "v$(AGENT_VERSION)" --title="$(AGENT_VERSION)" --generate-notes; \
+	else \
+		echo "git tag v$(AGENT_VERSION) already exists"; \
+	fi