StormCrawler topology with Tika included

es-crawler.flux

name: "crawler"

includes:
    - resource: true
      file: "/crawler-default.yaml"
      override: false

    - resource: false
      file: "crawler-conf.yaml"
      override: true

    - resource: false
      file: "es-conf.yaml"
      override: true

spouts:
  - id: "spout"
    className: "com.digitalpebble.stormcrawler.elasticsearch.persistence.AggregationSpout"
    parallelism: 10

  - id: "filespout"
    className: "com.digitalpebble.stormcrawler.spout.FileSpout"
    parallelism: 1
    constructorArgs:
      - "."
      - "seeds.txt"
      - true

bolts:
  - id: "filter"
    className: "com.digitalpebble.stormcrawler.bolt.URLFilterBolt"
    parallelism: 1
  - id: "partitioner"
    className: "com.digitalpebble.stormcrawler.bolt.URLPartitionerBolt"
    parallelism: 1
  - id: "fetcher"
    className: "com.digitalpebble.stormcrawler.bolt.FetcherBolt"
    parallelism: 1
  - id: "sitemap"
    className: "com.digitalpebble.stormcrawler.bolt.SiteMapParserBolt"
    parallelism: 1
  - id: "parse"
    className: "com.digitalpebble.stormcrawler.bolt.JSoupParserBolt"
    parallelism: 1
  - id: "shunt"
    className: "com.digitalpebble.stormcrawler.tika.RedirectionBolt"
    parallelism: 1 
  - id: "tika"
    className: "com.digitalpebble.stormcrawler.tika.ParserBolt"
    parallelism: 1   
  - id: "index"
    className: "com.digitalpebble.stormcrawler.elasticsearch.bolt.IndexerBolt"
    parallelism: 1
  - id: "status"
    className: "com.digitalpebble.stormcrawler.elasticsearch.persistence.StatusUpdaterBolt"
    parallelism: 1
  - id: "status_metrics"
    className: "com.digitalpebble.stormcrawler.elasticsearch.metrics.StatusMetricsBolt"
    parallelism: 1

streams:
  - from: "spout"
    to: "partitioner"
    grouping:
      type: SHUFFLE
      
  - from: "spout"
    to: "status_metrics"
    grouping:
      type: SHUFFLE     

  - from: "partitioner"
    to: "fetcher"
    grouping:
      type: FIELDS
      args: ["key"]

  - from: "fetcher"
    to: "sitemap"
    grouping:
      type: LOCAL_OR_SHUFFLE

  - from: "sitemap"
    to: "parse"
    grouping:
      type: LOCAL_OR_SHUFFLE

  - from: "parse"
    to: "shunt"
    grouping:
      type: LOCAL_OR_SHUFFLE

  - from: "shunt"
    to: "tika"
    grouping:
      type: LOCAL_OR_SHUFFLE
      streamId: "tika"

  - from: "tika"
    to: "index"
    grouping:
      type: LOCAL_OR_SHUFFLE

  - from: "shunt"
    to: "index"
    grouping:
      type: LOCAL_OR_SHUFFLE

  - from: "fetcher"
    to: "status"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "sitemap"
    to: "status"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "parse"
    to: "status"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "tika"
    to: "status"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "index"
    to: "status"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "filespout"
    to: "filter"
    grouping:
      type: FIELDS
      args: ["url"]
      streamId: "status"

  - from: "filter"
    to: "status"
    grouping:
      streamId: "status"
      type: CUSTOM
      customClass:
        className: "com.digitalpebble.stormcrawler.util.URLStreamGrouping"
        constructorArgs:
          - "byDomain"