openshift-cronjob-pipeline.jenkinsfile

pipeline {
    agent any

    options {
        buildDiscarder(logRotator(daysToKeepStr: '1'))
    }

    stages {
        stage('Deploy CronJobs') {
            steps {
                script {
                    // Get code from repository
                    git url: 'https://my-git-repo', branch: 'main'
                }
                script {
                    openshift.withCluster() {
                        openshift.withProject("${env.PROJECT}-val") {
                            // Retrieve Tag description
                            IMAGE = openshift.raw("describe istag ${env.PROJECT}:prod")
                        }
                        openshift.withProject("${env.PROJECT}-prod") {    
                            // Display current CronJobs
                            def cronJobsList = openshift.selector("cronjobs")
                            echo "CronJobs: ${cronJobsList.out}"

                            // Retrieve Image digest
                            def imageName = sh(returnStdout: true, script: "echo \"${IMAGE.out}\" | grep \"Image Name:\" | sed \"s/Image Name:\tsha256://\"").trim()
                            echo "IMAGE: ${imageName}"

                            // List all CronJobs we need to recreate
                            def cronJobList = [
                                'cronjob-1',
                                'cronjob-2',
                                'cronjob-3'
                            ]

                            if ("true" == "${FORCE_CRONJOBS_CREATION}") {
                                echo "apply configMap openshift/configMaps/prod-config.yaml"
                                openshift.apply("-f openshift/configMaps/prod-config.yaml")
                            }

                            for (cronJob in cronJobList) {
                                if ("true" == "${FORCE_CRONJOBS_CREATION}") {
                                    // Delete CronJob
                                    def podCronJobList = openshift.raw("get cronjob")
                                    int countCronJob = sh (
                                        script: "echo '${podCronJobList.out}' | grep '${cronJob}' | wc -l",
                                        returnStdout: true
                                    ) as int

                                    if (countCronJob > 0) {
                                        openshift.raw("delete cronjob/${cronJob}")
                                        echo "Deleted ${cronJob}"
                                    }

                                    // Create CronJob
                                    openshift.raw("create -f openshift/cronjobs/prod/${cronJob}.yaml")
                                    echo "Created ${cronJob}"
                                }

                                // Patch CronJob
                                def jsonPatch = "{\"spec\":{\"jobTemplate\":{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"cronjob-prod\",\"image\":\"docker-registry.default.svc:5000/fondinnov-api-val/fondinnov-api@sha256:${imageName}\"}]}}}}}}"
                                echo "Patch: ${jsonPatch}"

                                def patch = openshift.raw("patch cronjob/${cronJob} --patch='$jsonPatch'")
                                echo "Result: ${patch.out}"
                            }

                            // Display new CronJobs
                            def newCronJobsList = openshift.selector("cronjobs")
                            echo "CronJobs: ${newCronJobsList.out}"
                        }
                    }
                }
            }
        }
    }
    post { 
        always { 
            deleteDir()
        }
    }
}