action: use release drafter for the release generation when a git tag…

… release is created (#240)

.github/release-drafter.yml

@@ -0,0 +1,56 @@
+name-template: 'v$RESOLVED_VERSION 🌈'
+tag-template: 'v$RESOLVED_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bug'
+  - title: '📚 Documentation'
+    labels:
+      - 'docs'
+      - 'question'
+  - title: '🧰 Maintenance'
+    label:
+      - 'chore'
+      - 'ci'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: patch
+template: |
+  ## Go $RESOLVED_VERSION
+
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-arm` - linux/arm64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-armel` - linux/armv5, linux/armv6
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-armhf` - linux/armv7
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-base`
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-darwin` - darwin/amd64 (MacOS 10.11, MacOS 10.14)
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main-debian7` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main-debian8` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main-debian9` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main-debian10` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-main-debian11` - linux/i386, linux/amd64, windows/386, windows/amd64
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-mips` - linux/mips64, linux/mips64el
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-mips32` - linux/mips, linux/mipsle
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-ppc` - linux/ppc64, linux/ppc64le
+  - `docker.elastic.co/beats-dev/golang-crossbuild:$RESOLVED_VERSION-s390x` - linux/s390x
+
+  ### Changes
+
+  $CHANGES
+
+  **Full Changelog**: https://github.com/$OWNER/$REPOSITORY/compare/$PREVIOUS_TAG...v$RESOLVED_VERSION

.github/workflows/release-drafter.yml

@@ -0,0 +1,32 @@
+name: Release Drafter
+
+on:
+  push:
+    tags:
+      - v*.*
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    permissions:
+      # write permission is required to create a github release
+      contents: write
+      # write permission is required for autolabeler
+      # otherwise, read permission is required at least
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: version
+        id: version
+        run: |
+          tag=${GITHUB_REF/refs\/tags\//}
+          version=${tag#v}
+          echo "::set-output name=version::${version}"
+      - uses: release-drafter/release-drafter@v5
+        with:
+          version: ${{ steps.version.outputs.version }}
+          publish: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -8,6 +8,5 @@ _obj
 Dockerfile
 .status.*
 *.bck
-CHANGELOG.md
 npcap/lib/*.exe
 

Jenkinsfile

@@ -229,17 +229,13 @@ def isNewRelease() {
 def postRelease(){
   deleteDir()
   unstash 'source'
-  dockerLogin(secret: "${env.DOCKER_REGISTRY_SECRET}", registry: "${env.DOCKER_REGISTRY}")
   dir("${env.BASE_DIR}"){
-    sh(label: 'Set branch', script: """#!/bin/bash
-      git checkout -b ${BRANCH_NAME}
-    """)
+    sh(label: 'Set branch', script: "git checkout -b ${BRANCH_NAME}")
     try {
-      gitCreateTag(tag: "${env.GO_VERSION}", pushArgs: '--force')
-      withCredentials([string(credentialsId: '2a9602aa-ab9f-4e52-baf3-b71ca88469c7', variable: 'GREN_GITHUB_TOKEN')]) {
-        sh(label: 'Creating Release Notes', script: '.ci/scripts/release-notes.sh')
-      }
-      gh(command: "release create ${env.GO_VERSION}", flags: [ "notes-file": ['CHANGELOG.md'], title: "${env.GO_VERSION}" ])
+      // Tag with v<GO_VERSION>
+      // This will help issues with major.minor branches for the very first
+      // golang release, since patch verison doesn't exist.
+      gitCreateTag(tag: "v${env.GO_VERSION}", pushArgs: '--force')
     } catch (e) {
       // Probably the tag already exists
       log(level: 'WARN', text: "postRelease failed with message : ${e?.message}")