Automate creation of releases notes on GitHub

Closes gh-12552

Author: mbhave

ci/pipeline.yml

@@ -27,6 +27,11 @@ resources:
     password: ((github-password))
     branch: ((branch))
     ignore_paths: ["ci/images/*"]
+- name: release-notes-repo
+  type: git
+  source:
+    uri: https://github.com/mbhave/release-notes-generator
+    branch: master
 - name: git-pull-request
   type: pull-request
   source:
@@ -307,6 +312,7 @@ jobs:
   - get: spring-boot-ci-image
   - get: git-repo
     trigger: false
+  - get: release-notes-repo
   - task: stage
     image: spring-boot-ci-image
     file: git-repo/ci/tasks/stage.yml
@@ -319,6 +325,14 @@ jobs:
   - put: git-repo
     params:
       repository: stage-git-repo
+  - task: publish-release-notes
+    image: spring-boot-ci-image
+    file: git-repo/ci/tasks/publish-release-notes.yml
+    params:
+      GITHUB_ORGANIZATION: spring-projects
+      GITHUB_REPO: spring-boot
+      GITHUB_USERNAME: ((github-username))
+      GITHUB_PASSWORD: ((github-release-notes-access-token))
 - name: stage-rc
   serial: true
   plan:
@@ -337,6 +351,14 @@ jobs:
   - put: git-repo
     params:
       repository: stage-git-repo
+  - task: publish-release-notes
+    image: spring-boot-ci-image
+    file: git-repo/ci/tasks/publish-release-notes.yml
+    params:
+      GITHUB_ORGANIZATION: spring-projects
+      GITHUB_REPO: spring-boot
+      GITHUB_USERNAME: ((github-username))
+      GITHUB_PASSWORD: ((github-release-notes-access-token))
 - name: stage-release
   serial: true
   plan:
@@ -355,6 +377,14 @@ jobs:
   - put: git-repo
     params:
       repository: stage-git-repo
+  - task: publish-release-notes
+    image: spring-boot-ci-image
+    file: git-repo/ci/tasks/publish-release-notes.yml
+    params:
+      GITHUB_ORGANIZATION: spring-projects
+      GITHUB_REPO: spring-boot
+      GITHUB_USERNAME: ((github-username))
+      GITHUB_PASSWORD: ((github-release-notes-access-token))
 - name: promote-milestone
   serial: true
   plan:

ci/scripts/publish-release-notes.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+source $(dirname $0)/common.sh
+
+latest=$( curl -s "https://api.github.com/repos/${GITHUB_ORGANIZATION}/${GITHUB_REPO}/releases/latest" -u ${GITHUB_USERNAME}:${GITHUB_PASSWORD} )
+id=$( echo $latest | jq -r '.id' )
+
+milestone=$( cat version/stageVersion )
+milestone_number=$( curl -s "https://api.github.com/repos/${GITHUB_ORGANIZATION}/${GITHUB_REPO}/milestones" -u ${GITHUB_USERNAME}:${GITHUB_PASSWORD} | jq -r --arg MILESTONE "${milestone}" '.[]  | select(.title == $MILESTONE) | .number')
+
+pushd release-notes-repo > /dev/null
+run_maven clean install
+java -jar -Dreleasenotes.github.organization=${GITHUB_ORGANIZATION} -Dreleasenotes.github.name=${GITHUB_REPO} target/github-release-notes-generator-0.0.1-SNAPSHOT.jar "${milestone_number}" release-notes.md
+popd > /dev/null
+
+
+body=$( sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g' release-notes-repo/release-notes.md )
+
+curl \
+	-s \
+	-u ${GITHUB_USERNAME}:${GITHUB_PASSWORD} \
+	-H "Content-type:application/json" \
+	-d "{\"body\": \"${body}\"}"  \
+	-f \
+	-X \
+	PATCH "https://api.github.com/repos/${GITHUB_ORGANIZATION}/${GITHUB_REPO}/releases/${id}" > /dev/null || { echo "Failed to publish" >&2; exit 1; }

ci/scripts/stage.sh

@@ -51,3 +51,4 @@ fi;
 echo "DONE"
 
 popd > /dev/null
+echo $stageVersion > version/stageVersion

ci/tasks/publish-release-notes.yml

@@ -0,0 +1,13 @@
+---
+platform: linux
+inputs:
+- name: git-repo
+- name: release-notes-repo
+- name: version
+params:
+  GITHUB_ORGANIZATION:
+  GITHUB_REPO:
+  GITHUB_USERNAME:
+  GITHUB_PASSWORD:
+run:
+  path: git-repo/ci/scripts/publish-release-notes.sh

ci/tasks/stage.yml

@@ -5,6 +5,7 @@ inputs:
 outputs:
 - name: stage-git-repo
 - name: distribution-repository
+- name: version
 params:
   RELEASE_TYPE:
 caches: