feat: automatic update of jenkins lts version and base plugins

.github/workflows/auto-update-jenkins-lts.yaml

@@ -0,0 +1,72 @@
+name: auto-update-jenkins-lts
+
+on:
+  schedule:
+    - cron: '0 7 * * 0'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  check-and-update-jenkins-lts:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+
+      - name: Set up env vars
+        run: |
+          echo "GO111MODULE=on" >> $GITHUB_ENV
+          echo "GO_VERSION=v$(sed -n 's/GO_VERSION=//p' config.base.env | tr -d '\n' | tr -d '"')" >> $GITHUB_ENV
+          echo "KIND_CLUSTER_NAME=$(sed -n 's/KIND_CLUSTER_NAME=//p' config.base.env | tr -d '\n' | tr -d '"')" >> $GITHUB_ENV
+          echo "GOPATH=/home/runner/go" >> $GITHUB_ENV
+
+      - name: Check if update needed
+        id: check
+        run: |
+          CURRENT=$(sed -n 's/LATEST_LTS_VERSION=//p' config.base.env | tr -d '\n' | tr -d '"')
+          LATEST=$(curl -s https://www.jenkins.io/changelog-stable/ | grep -oP 'changelog/\K\d+\.\d+\.\d+' | head -1)
+
+          echo "current=$CURRENT" >> $GITHUB_OUTPUT
+          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+
+          if [ "$CURRENT" != "$LATEST" ]; then
+            echo "needs_update=true" >> $GITHUB_OUTPUT
+          else
+            echo "needs_update=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Prepare go environment
+        if: steps.check.outputs.needs_update == 'true'
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Ensure Golang runtime dependencies
+        if: steps.check.outputs.needs_update == 'true'
+        run: make go-dependencies
+
+      - name: Update Jenkins lts version
+        if: steps.check.outputs.needs_update == 'true'
+        run: make update-jenkins-lts
+
+      - name: Update Jenkins base plugins
+        if: steps.check.outputs.needs_update == 'true'
+        run: make update-plugins
+
+      - name: Run verify
+        if: steps.check.outputs.needs_update == 'true'
+        run: make verify
+
+      - name: Create Pull Request
+        if: steps.check.outputs.needs_update == 'true'
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "chore: update Jenkins lts version to ${{ steps.check.outputs.latest }}"
+          title: "chore: update Jenkins lts version to ${{ steps.check.outputs.latest }}"
+          body: "auto-update Jenkins lts version from ${{ steps.check.outputs.current }} to ${{ steps.check.outputs.latest }}"
+          branch: auto-update-jenkins-lts-${{ steps.check.outputs.latest }}
+          delete-branch: true

.github/workflows/update-plugins.sh

@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../" && pwd)"
+
+PLUGINS=(
+    "configuration-as-code"
+    "git"
+    "job-dsl"
+    "kubernetes"
+    "kubernetes-credentials-provider"
+    "workflow-aggregator"
+)
+
+version_compare() {
+    local ver1="$1"
+    local ver2="$2"
+
+    ver1=$(echo "$ver1" | sed 's/\([0-9.]*\).*/\1/')
+    ver2=$(echo "$ver2" | sed 's/\([0-9.]*\).*/\1/')
+
+    if [ "$ver1" = "$ver2" ]; then
+        return 0
+    fi
+
+    local sorted=$(printf '%s\n%s' "$ver1" "$ver2" | sort -V)
+    local first=$(echo "$sorted" | head -n1)
+
+    if [ "$first" = "$ver1" ]; then
+        return 1
+    else
+        return 2
+    fi
+}
+
+fetch_update_center_data() {
+    local jenkins_version="$1"
+    local url="https://updates.jenkins.io/update-center.actual.json?version=${jenkins_version}"
+    local data=$(curl -s -L -f "$url")
+
+    if ! echo "$data" | jq . > /dev/null 2>&1; then
+        echo "error something happened" >&2
+        return 1
+    fi
+
+    echo "$data"
+}
+
+find_compatible_version() {
+    local plugin_id="$1"
+    local jenkins_version="$2"
+    local update_data="$3"
+    local plugin_data=$(echo "$update_data" | jq ".plugins[\"$plugin_id\"]")
+    local plugin_version=$(echo "$plugin_data" | jq -r '.version')
+    local compatible_since=$(echo "$plugin_data" | jq -r '.compatibleSinceVersion // empty')
+
+    if [ -n "$compatible_since" ]; then
+        version_compare "$jenkins_version" "$compatible_since"
+        local result=$?
+        if [ $result -eq 1 ]; then
+            echo "Error: Plugin '$plugin_id' requires Jenkins $compatible_since or newer" >&2
+            return 1
+        fi
+    fi
+
+    echo "$plugin_version"
+}
+
+update_go_file() {
+    local file_path="$1"
+    local plugin_id="$2"
+    local new_version="$3"
+    local dry_run="$4"
+
+    local var_name=""
+    case "$plugin_id" in
+        "configuration-as-code") var_name="configurationAsCodePlugin" ;;
+        "git") var_name="gitPlugin" ;;
+        "job-dsl") var_name="jobDslPlugin" ;;
+        "kubernetes") var_name="kubernetesPlugin" ;;
+        "kubernetes-credentials-provider") var_name="kubernetesCredentialsProviderPlugin" ;;
+        "workflow-aggregator") var_name="workflowAggregatorPlugin" ;;
+    esac
+
+    local relative_path=$(realpath --relative-to="$PROJECT_ROOT" "$file_path")
+    local new_line="	${var_name} = \"${plugin_id}:${new_version}\""
+
+    if [ "$dry_run" = "true" ]; then
+        echo "$relative_path: $plugin_id:$new_version"
+    else
+        sed -i "s|^[[:space:]]*${var_name}[[:space:]]*=.*|${new_line}|" "$file_path"
+        echo "$relative_path: $var_name -> $plugin_id:$new_version"
+    fi
+}
+
+main() {
+    if [ $# -lt 1 ]; then
+        echo "usage: $0 <jenkins-version> [--dry-run]" >&2
+        exit 1
+    fi
+
+    local jenkins_version="$1"
+    local dry_run="false"
+
+    if [ $# -gt 1 ] && [ "$2" = "--dry-run" ]; then
+        dry_run="true"
+    fi
+
+    local update_data
+    if ! update_data=$(fetch_update_center_data "$jenkins_version"); then
+        exit 1
+    fi
+
+    for plugin_id in "${PLUGINS[@]}"; do
+        local compatible_version
+        if compatible_version=$(find_compatible_version "$plugin_id" "$jenkins_version" "$update_data"); then
+            #printf "%-35s %-30s\n" "$plugin_id" "$compatible_version"
+            update_go_file "$PROJECT_ROOT/pkg/plugins/base_plugins.go" "$plugin_id" "$compatible_version" "$dry_run"
+            update_go_file "$PROJECT_ROOT/test/e2e/configuration_test.go" "$plugin_id" "$compatible_version" "$dry_run"
+        fi
+    done
+}
+
+main "$@"

Makefile

@@ -191,6 +191,36 @@ install: ## Installs the executable
 	@echo "+ $@"
 	go install -tags "$(BUILDTAGS)" ${GO_LDFLAGS} $(BUILD_PATH)
 
+.PHONY: update-plugins
+update-plugins: ## Update jenkins base plugins
+	@echo "+ $@"
+	@JENKINS_VERSION=$$(sed -n 's/LATEST_LTS_VERSION=//p' config.base.env | tr -d '\n' | tr -d '"'); \
+	echo "updating plugins for Jenkins $$JENKINS_VERSION"; \
+	./.github/workflows/update-plugins.sh "$$JENKINS_VERSION"
+
+.PHONY: update-plugins-dry-run
+update-plugins-dry-run: ## Update jenkins base plugin -- dry run
+	@echo "+ $@"
+	@JENKINS_VERSION=$$(sed -n 's/LATEST_LTS_VERSION=//p' config.base.env | tr -d '\n' | tr -d '"'); \
+	echo "checking plugins for Jenkins $$JENKINS_VERSION -- dry run"; \
+	./.github/workflows/update-plugins.sh "$$JENKINS_VERSION" --dry-run
+
+.PHONY: update-jenkins-lts
+update-jenkins-lts: ## Fetch latest Jenkins lts version and update if necessary
+	@echo "+ $@"
+	@LATEST_VERSION=$$(curl -s https://www.jenkins.io/changelog-stable/ | grep -oP 'changelog/\K\d+\.\d+\.\d+' | head -1); \
+	CURRENT_VERSION=$$(sed -n 's/LATEST_LTS_VERSION=//p' config.base.env | tr -d '\n' | tr -d '"'); \
+	echo "current version: $$CURRENT_VERSION"; \
+	echo "latest version:  $$LATEST_VERSION"; \
+	if [ "$$CURRENT_VERSION" != "$$LATEST_VERSION" ]; then \
+		echo "updating Jenkins lts version from $$CURRENT_VERSION to $$LATEST_VERSION"; \
+		sed -i "s/LATEST_LTS_VERSION=\".*\"/LATEST_LTS_VERSION=\"$$LATEST_VERSION\"/" config.base.env; \
+		$(MAKE) update-lts-version LATEST_LTS_VERSION=$$LATEST_VERSION; \
+		echo "updated Jenkins LTS version to $$LATEST_VERSION"; \
+	else \
+		echo "up to date"; \
+	fi
+
 .PHONY: update-lts-version
 update-lts-version: ## Update the latest lts version
 	@echo "+ $@"