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Merge pull request #18 from kkasravi/issue_#17
Fixes #17 Create a simple source -> sink example to test TAP integration
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tap-pipeline/src/main/scala/io/gearpump/examples/tap_pipeline/PipeLine.scala
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package io.gearpump.examples.tap_pipeline | ||
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| import akka.actor.ActorSystem | ||
| import com.typesafe.config.{ConfigFactory, ConfigRenderOptions} | ||
| import io.gearpump.cluster.UserConfig | ||
| import io.gearpump.cluster.client.ClientContext | ||
| import io.gearpump.cluster.main.{ArgumentsParser, CLIOption, ParseResult} | ||
| import io.gearpump.external.hbase.HBaseSink | ||
| import io.gearpump.streaming.StreamApplication | ||
| import io.gearpump.streaming.kafka.{KafkaSource, KafkaStorageFactory} | ||
| import io.gearpump.streaming.sink.DataSinkProcessor | ||
| import io.gearpump.streaming.source.DataSourceProcessor | ||
| import io.gearpump.tap.TapJsonConfig | ||
| import io.gearpump.util.Graph._ | ||
| import io.gearpump.util.{AkkaApp, Graph, LogUtil} | ||
| import org.slf4j.Logger | ||
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| object PipeLine extends AkkaApp with ArgumentsParser { | ||
| private val LOG: Logger = LogUtil.getLogger(getClass) | ||
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| override val options: Array[(String, CLIOption[Any])] = Array( | ||
| "hbase"-> CLIOption[String]("<hbase instance>", required = false, defaultValue = Some("hbase")), | ||
| "kafka"-> CLIOption[String]("<kafka instance>", required = false, defaultValue = Some("kafka")), | ||
| "table"-> CLIOption[String]("<hbase table>", required = false, defaultValue = Some("gp_tap_table")), | ||
| "topic"-> CLIOption[String]("<kafka topic>", required = false, defaultValue = Some("gp_tap_topic")) | ||
| ) | ||
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| def application(config: ParseResult, system: ActorSystem): StreamApplication = { | ||
| implicit val actorSystem = system | ||
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| val conf = ConfigFactory.load | ||
| val services = conf.root.withOnlyKey("VCAP_SERVICES").render(ConfigRenderOptions.defaults().setJson(true)) | ||
| val tjc = new TapJsonConfig(services) | ||
| val hbaseconfig = tjc.getHBase(config.getString("hbase")) | ||
| //val kafkaconfig = tjc.getKafka(config.getString("hbase")) | ||
| val kafkaconfig = Map( | ||
| "zookeepers" -> "10.10.10.46:9092,10.10.10.164:9092,10.10.10.236:9092", | ||
| "brokers" -> "10.10.10.46:2181,10.10.10.236:2181,10.10.10.164:2181/kafka" | ||
| ) | ||
| val topic = config.getString("topic") | ||
| val table = config.getString("table") | ||
| val zookeepers = kafkaconfig.get("zookeepers").get | ||
| val brokers = kafkaconfig.get("brokers").get | ||
| val source = DataSourceProcessor(new KafkaSource(topic, zookeepers,new KafkaStorageFactory(zookeepers, brokers)), 1) | ||
| val sink = DataSinkProcessor(new HBaseSink(table, hbaseconfig), 1) | ||
| val app = StreamApplication("TAPPipeline", Graph( | ||
| source ~> sink | ||
| ), UserConfig.empty) | ||
| app | ||
| } | ||
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| override def main(akkaConf: Config, args: Array[String]): Unit = { | ||
| val config = parse(args) | ||
| val context = ClientContext(akkaConf) | ||
| val appId = context.submit(application(config, context.system)) | ||
| context.close() | ||
| } | ||
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| } |