generateName: testbed-
items:
    -   name: source
        type: TIDB_CLUSTER
        spec:
            pd:
                replicas: 1
                image: pingcap/pd:nightly
            tikv:
                replicas: 1
                image: pingcap/tikv:nightly
            tidb:
                replicas: 1
                image: pingcap/tidb:nightly
    -   name: dumpling
        type: WORKLOAD_NODE
        spec:
            image: pingcap/dumpling:nightly