Jenkinsfile-k8s-buildah

def props = [:]

node {
  stage('Read parameters from version.properties'){
    checkout scm
    props = readProperties(file: 'version.properties')
  }
}

pipeline {
  agent {
    kubernetes {
      label "buildah"
      yaml """
apiVersion: v1
kind: Pod
metadata:
  name: buildah
spec:
  containers:
  - name: buildah
    image: quay.io/buildah/stable:v1.11.4
    command:
    - cat
    tty: true
    securityContext:
      privileged: true
    volumeMounts:
      - name: varlibcontainers
        mountPath: /var/lib/containers
  volumes:
    - name: varlibcontainers
"""              
    }
  }
  options {
    buildDiscarder(logRotator(numToKeepStr: '3'))
    durabilityHint('PERFORMANCE_OPTIMIZED')
    disableConcurrentBuilds()
  }
  stages {
    stage('Build with Buildah') {
      steps {
        container("buildah") {
          sh """
            buildah bud -t ${props["image"]}:${props["baseTag"]} .
          """
        }
      }
    }
    stage("Extra Tag") {
      when {
        expression { return null != props["extraTag"] }
      }
      steps {
        container("buildah") {
          sh """
            buildah tag ${props["image"]}:${props["baseTag"]} ${props["image"]}:${props["extraTag"]}
          """
        }
      }
    }
  }
}