Jenkinsfile

def switchToBlue() {
    sh(returnStdout: true, script: "kubectl apply -f deploy/k8s/prod/switch/vs-blue.yaml")
}

def switchToGreen() {
    sh(returnStdout: true, script: "kubectl apply -f deploy/k8s/prod/switch/vs-green.yaml")
}

pipeline {
    agent any
    stages {
        stage("Switch") {
            steps {
                withKubeConfig([credentialsId: '[CREDENTIAL_ID]', serverUrl: '[AUTHENTICATION_SERVER]']) {
                    script {
                        active = sh(returnStdout: true, script: "kubectl get vs [VIRTUAL_SERVICE] -o yaml | grep -B1 'weight: 100' | pcregrep -o1 'subset: (.*)'").trim()
                        if (active == 'blue') {
                            switchToGreen()
                        } else {
                            switchToBlue()
                        }
                    }
                }
            }
        }
    }
}