def push_jnlp_docker_image(self):
    with self.stage('Push JNLP Slave Docker Image') as s:
        img_tag = DOCKER_IMG_TAG.format(version=self.vars.version)
        s.run_cmd('docker', 'push', img_tag)
def push_jnlp_docker_image(self):
    with self.stage('Push JNLP Slave Docker Image') as s:
        img_tag = DOCKER_IMG_TAG.format(version=self.vars.version)
        s.run_cmd('docker', 'push', img_tag)