#!groovy

def deletePod(
    String kubeAuth,
    String kubeURL,
    String namespace,
    String selector
){
    def label = "kubernetes-${UUID.randomUUID().toString()}"
    def ws = pwd()

    podTemplate(
        label: label,
        name: "pipeline-worker",
        yaml: """
---
apiVersion: v1
kind: Pod
metadata:
  name: pipeline-worker
spec:
  containers:
  - name: alpine
    imagePullPolicy: Always
    image: ${repository}/library/alpine:latest
    tty: true
    command:
    - /busybox/sh
""",
    ){
        node(label) {
            container("alpine") {
                sh """
                    apk add --no-cache curl
                    curl -L --silent https://storage.googleapis.com/kubernetes-release/release/\$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl
                    chmod +x /usr/local/bin/kubectl
                """

                withKubeConfig([
                    credentialsId: kubeAuth,
                    serverUrl: kubeURL,
                    namespace: namespace,
                ]) {
                    sh "for i in \$(kubectl get pods --selector ${selector} -o name); do kubectl delete \${i}; done"
                }
            }
        }
    }
}

def buildContainer(String repository,
    String imageDest,
    String dockerFile,
    String repoCreds) {

    def label = "kaniko-${UUID.randomUUID().toString()}"
    def ws = pwd()

    podTemplate(
        label: label,
        name: "pipeline-worker",
        yaml: """
---
apiVersion: v1
kind: Pod
metadata:
  name: pipeline-worker
spec:
  containers:
  - name: kaniko
    imagePullPolicy: Always
    image: ${repository}/library/kaniko:latest
    tty: true
    command:
    - /busybox/sh
""",
    ){
        node(label) {
            container("kaniko") {
                writeFile(file: ws + "/Dockerfile", text: DF)
                withCredentials([usernameColonPassword(
                    credentialsId: repoCreds,
                    variable: "dCreds",
                )]) {
                    sh "set +x; printf '{\"auths\":{\"%s\":{\"auth\": \"%s\"}}}' \"${repository}\" \"${dcreds.bytes.encodeBase64().toString()}\" > /kaniko/.docker/config.json"
                }
                sh """
                    /kaniko/executor \\
                        --context "${ws}" \\
                        -f "${ws}/Dockerfile" \\
                        --destination "${repository}/${imageDest}
                """
            }
        }
    }
}