external/flux/flux-examples/src/main/resources/simple_hdfs.yaml

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# Test ability to wire together shell spouts/bolts
---

# topology definition
# name to be used when submitting
name: "hdfs-topology"

# Components
# Components are analagous to Spring beans. They are meant to be used as constructor,
# property(setter), and builder arguments.
#
# for the time being, components must be declared in the order they are referenced
components:
  - id: "syncPolicy"
    className: "org.apache.storm.hdfs.bolt.sync.CountSyncPolicy"
    constructorArgs:
      - 1000
  - id: "rotationPolicy"
    className: "org.apache.storm.hdfs.bolt.rotation.TimedRotationPolicy"
    constructorArgs:
      - 30
      - SECONDS

  - id: "fileNameFormat"
    className: "org.apache.storm.hdfs.bolt.format.DefaultFileNameFormat"
    configMethods:
      - name: "withPath"
        args: ["${hdfs.write.dir}"]
      - name: "withExtension"
        args: [".txt"]

  - id: "recordFormat"
    className: "org.apache.storm.hdfs.bolt.format.DelimitedRecordFormat"
    configMethods:
      - name: "withFieldDelimiter"
        args: ["|"]

  - id: "rotationAction"
    className: "org.apache.storm.hdfs.common.rotation.MoveFileAction"
    configMethods:
      - name: "toDestination"
        args: ["${hdfs.dest.dir}"]

# spout definitions
spouts:
  - id: "spout-1"
    className: "org.apache.storm.testing.TestWordSpout"
    parallelism: 1
    # ...

# bolt definitions

bolts:
  - id: "bolt-1"
    className: "org.apache.storm.hdfs.bolt.HdfsBolt"
    configMethods:
      - name: "withConfigKey"
        args: ["hdfs.config"]
      - name: "withFsUrl"
        args: ["${hdfs.url}"]
      - name: "withFileNameFormat"
        args: [ref: "fileNameFormat"]
      - name: "withRecordFormat"
        args: [ref: "recordFormat"]
      - name: "withRotationPolicy"
        args: [ref: "rotationPolicy"]
      - name: "withSyncPolicy"
        args: [ref: "syncPolicy"]
      - name: "addRotationAction"
        args: [ref: "rotationAction"]
    parallelism: 1
    # ...

  - id: "bolt-2"
    className: "org.apache.storm.flux.wrappers.bolts.LogInfoBolt"
    parallelism: 1

streams:
  - name: "" # name isn't used (placeholder for logging, UI, etc.)
    from: "spout-1"
    to: "bolt-1"
    grouping:
      type: SHUFFLE

  - name: "" # name isn't used (placeholder for logging, UI, etc.)
    from: "spout-1"
    to: "bolt-2"
    grouping:
      type: SHUFFLE