Jenkins Pipeline To Archive Docker Data For All Nodes

archiveDockerData.groovy

def nodeName

stage("ArchiveDockerData") {
    def nodeNameList = nodeNames()
    for (String n : nodeNameList) {
        nodeName = n
        echo "Docker info for ${nodeName}"
        timeout(time: 5, unit: 'SECONDS') {        
            try {
                node(nodeName) {
                   result = sh(returnStdout: true, script: "docker ps -a --format '{{json .Names}},{{json .Image}},{{json .Status}},{{json .Ports}},{{json .CreatedAt}}'").trim()
                   writeFile file: "${nodeName}.csv", text:"$result"
                   archiveArtifacts "${nodeName}.csv"
                }
            } catch (err) {
                echo "Ignored"
            }
        }
    }    
}

@NonCPS
def nodeNames() {
  return jenkins.model.Jenkins.instance.nodes.collect { node -> node.name }
}