jobs: Add a bump-jenkins-plugins job

bump-jenkins job added to periodically update the jenkins plugins to latest version

Co-authored-by: Michael Armijo <[email protected]>
Ref: coreos#562

jobs/bump-jenkins-plugins.Jenkinsfile

@@ -0,0 +1,125 @@
+fork_repo = "coreosbot-releng/fedora-coreos-pipeline"
+botCreds = "github-coreosbot-releng-token-username-password"
+pr_branch = "pluginsupdate"
+
+def getVersionFromPluginUrl(pluginUrl) {
+    //example url : https://updates.jenkins.io/download/plugins/${pluginName}/latest/${pluginName}.hpi
+    def parts = pluginUrl.split("/")
+    def pluginVersion
+    if (parts.size() >= 4) {
+        def groupId = parts[-3]
+        pluginVersion = parts[-2]
+    } else {
+        error("Unable to extract plugin version from the URL.")
+    }
+    return pluginVersion
+}
+
+node {
+    checkout scm: [
+        $class: 'GitSCM',
+        branches: [[name: '*/pluginsupdate']],
+        userRemoteConfigs: [[url: "https://github.com/${fork_repo}.git"]],
+        extensions: [[$class: 'WipeWorkspace']]
+    ]
+    // these are script global vars
+    pipeutils = load("utils.groovy")
+
+    properties([
+        pipelineTriggers([
+            // check once a month
+            pollSCM('H H 1 * *')
+        ]),
+        buildDiscarder(logRotator(
+            numToKeepStr: '100',
+            artifactNumToKeepStr: '100'
+        )),
+        durabilityHint('PERFORMANCE_OPTIMIZED')
+    ])
+
+    try {
+        shwrap("""
+            git config --global user.name "CoreOS Bot"
+            git config --global user.email "[email protected]"
+        """)
+
+        def pluginslist
+        def pluginsToUpdate = [:]
+        def plugins_lockfile = "jenkins/controller/plugins.txt"
+
+        stage("Read plugins.txt") {
+            shwrapCapture("""
+                git clone --branch pluginsupdate https://github.com/${fork_repo}.git
+
+                cd fedora-coreos-pipeline
+
+                # Check if the branch exists
+                if git ls-remote --heads --exit-code origin ${pr_branch} | grep ${pr_branch}; then
+                    git checkout ${pr_branch}
+                else
+                    git checkout -b ${pr_branch}
+                fi
+            """)
+            pluginslist = shwrapCapture("grep -v ^# ${plugins_lockfile}").split('\n')
+        }
+
+        stage("Check for plugin updates") {
+            def pluginUrl
+            pluginslist.each { plugin ->
+                def parts = plugin.split(':')
+                if (parts.size() == 2) {
+                    def pluginName = parts[0]
+                    def currentVersion = parts[1]
+                    pluginUrl = shwrapCapture("curl -Ls -I -f -o /dev/null -w '%{url_effective}' https://updates.jenkins.io/download/plugins/${pluginName}/latest/${pluginName}.hpi")
+                    def latestVersion = getVersionFromPluginUrl(pluginUrl)
+                    if (latestVersion.toString() != currentVersion.toString()) {
+                        pluginsToUpdate["${pluginName}"] = [currentVersion, latestVersion]
+                        println("Plugin: ${pluginName} current version is ${currentVersion}, it will be updated to latest version: ${latestVersion}")
+                        shwrap("""
+                            cd fedora-coreos-pipeline
+                            sed -i '/${pluginName}:/ s/${currentVersion}/${latestVersion}/g' ${plugins_lockfile}
+                        """)
+                    } else {
+                        println("The latest version of ${pluginName} is already installed: ${currentVersion}")
+                    }
+                } else {
+                    error("Invalid plugin format: ${plugin}")
+                }
+            }
+        }
+
+        stage("Open a PR") {
+            if (shwrapCapture("git diff --exit-code")){
+                def message = "jenkins/plugins: update to latest versions"
+                shwrap("""
+                    cd fedora-coreos-pipeline
+                    git add jenkins/controller/plugins.txt
+                    git commit -m '${message}' -m 'Job URL: ${env.BUILD_URL}' -m 'Job definition: https://github.com/coreos/fedora-coreos-pipeline/blob/main/jobs/bump-jenkins-plugins.Jenkinsfile'
+                """)
+                withCredentials([usernamePassword(credentialsId: botCreds,
+                                                  usernameVariable: 'GHUSER',
+                                                  passwordVariable: 'GHTOKEN')]) {
+                                                    shwrap("""
+                                                        cd fedora-coreos-pipeline
+                                                        git push -f https://\${GHUSER}:\${GHTOKEN}@github.com/${fork_repo} ${pr_branch}
+                                                        curl -H "Authorization: token ${GHTOKEN}" -X POST -d '{ "title": "${message}", "head": "${pr_branch}", "base": "main" }' https://api.github.com/repos/${fork_repo}/pulls
+                                                    """)
+                }
+            }
+        }
+        currentBuild.result = 'SUCCESS'
+    } catch (e) {
+        currentBuild.result = 'FAILURE'
+        throw e
+    } finally {
+        if (currentBuild.result == 'SUCCESS') {
+            currentBuild.description = "bump-jenkins-plugins ⚡"
+        } else {
+            currentBuild.description = "bump-jenkins-plugins ❌"
+        }
+        if (currentBuild.result != 'SUCCESS') {
+            message = "bump-jenkins-plugins #${env.BUILD_NUMBER} <${env.BUILD_URL}|:jenkins:> <${env.RUN_DISPLAY_URL}|:ocean:>"
+            pipeutils.trySlackSend(message: message)
+        }
+    }
+}