validate oc deployment

gistfile1.txt

            stage('Validate') {
                openshift.withCluster(clusterName) {
                    openshift.withProject("${projectName}") {
                        def counter = 0
                        def delay = 10
                        def maxCounter = 1000

                        println "Validating deployment of ${appName} in project ${projectName}"
                        def latestDCVersion =  openshift.selector("dc","${appName}").object().status.latestVersion
                        def rcName = "${appName}-${latestDCVersion}"
                        while(counter++ <= maxCounter) {
                            def phase = openshift.selector("rc",rcName).object().metadata.annotations.get('openshift.io/deployment.phase')
                            if(phase == "Complete"){
                                println "Deployment Succeeded!"
                                break
                            } else if(phase == "Cancelled"){
                                error("Deployment Failed")
                                break
                            } else if(counter == maxCounter) {
                                error("Max Validation Attempts Exceeded. Failed Verifying Application Deployment...")
                            }
                        }
                    }
               }
           }