diff options
Diffstat (limited to 'scalding')
-rw-r--r-- | scalding/.gitignore | 3 | ||||
-rw-r--r-- | scalding/README.md | 63 | ||||
-rw-r--r-- | scalding/build.sbt | 49 | ||||
-rw-r--r-- | scalding/project/Dependencies.scala | 5 | ||||
-rw-r--r-- | scalding/project/build.properties | 1 | ||||
-rw-r--r-- | scalding/project/plugins.sbt | 2 | ||||
-rw-r--r-- | scalding/src/main/scala/example/SimpleHBaseSourceExample.scala | 36 | ||||
-rw-r--r-- | scalding/src/main/scala/example/WordCountJob.scala | 12 | ||||
-rw-r--r-- | scalding/src/main/scala/sandcrawler/HBaseRowCountJob.scala | 41 | ||||
-rw-r--r-- | scalding/src/test/scala/example/SimpleHBaseSourceExampleTest.scala | 58 | ||||
-rw-r--r-- | scalding/src/test/scala/example/WordCountTest.scala | 36 | ||||
-rw-r--r-- | scalding/src/test/scala/sandcrawler/HBaseRowCountTest.scala | 59 |
12 files changed, 365 insertions, 0 deletions
diff --git a/scalding/.gitignore b/scalding/.gitignore new file mode 100644 index 0000000..7798ee0 --- /dev/null +++ b/scalding/.gitignore @@ -0,0 +1,3 @@ +target +project/project/ +project/targer/ diff --git a/scalding/README.md b/scalding/README.md new file mode 100644 index 0000000..e41e9ec --- /dev/null +++ b/scalding/README.md @@ -0,0 +1,63 @@ + +following https://medium.com/@gayani.nan/how-to-run-a-scalding-job-567160fa193 + + +running on my laptop: + + openjdk version "1.8.0_171" + OpenJDK Runtime Environment (build 1.8.0_171-8u171-b11-1~deb9u1-b11) + OpenJDK 64-Bit Server VM (build 25.171-b11, mixed mode) + + Scala code runner version 2.11.8 -- Copyright 2002-2016, LAMP/EPFL + + sbt: 1.1.5 + + sbt new scala/scala-seed.g8 + + # inserted additional deps, tweaked versions + # hadoop 2.5.0 seems to conflict with cascading; sticking with 2.6.0 + + sbt assembly + scp target/scala-2.11/scald-mvp-assembly-0.1.0-SNAPSHOT.jar devbox: + + # on cluster: + yarn jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar WordCount --hdfs --input hdfs:///user/bnewbold/dummy.txt + +later, using hadop command instead: + + hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.WordCountJob --hdfs --input hdfs:///user/bnewbold/dummy.txt --output hdfs:///user/bnewbold/test_scalding_out3 + +helpful for debugging dependency woes: + + sbt dependencyTree + +testing the spyglass example program (expect a table error): + + hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.SimpleHBaseSourceExample --hdfs --output hdfs:///user/bnewbold/spyglass_out_test --app.conf.path thing.conf --debug true + # org.apache.hadoop.hbase.TableNotFoundException: table_name + +running a spyglass job (gives a nullpointer exception): + + hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool sandcrawler.HBaseRowCountJob --hdfs --output hdfs:///user/bnewbold/spyglass_out_test --app.conf.path thing.conf + + # Caused by: java.lang.NullPointerException + # at parallelai.spyglass.hbase.HBaseSource.<init>(HBaseSource.scala:48) + # at sandcrawler.HBaseRowCountJob.<init>(HBaseRowCountJob.scala:17) + +## Custom build + +in SpyGlass repo: + + # This builds the new .jar and installs it in the (laptop local) ~/.m2 + # repository + mvn clean install -U + + # Copy that .jar (and associated pom.xml) over to where sbt can find it + mkdir -p ~/.sbt/preloaded/parallelai/ + cp -r ~/.m2/repository/parallelai/parallelai.spyglass ~/.sbt/preloaded/parallelai/ + + # then build here + sbt assembly + +The medium-term plan here is to push the custom SpyGlass jar as a static maven +repo to an archive.org item, and point build.sbt to that folder. diff --git a/scalding/build.sbt b/scalding/build.sbt new file mode 100644 index 0000000..aae8506 --- /dev/null +++ b/scalding/build.sbt @@ -0,0 +1,49 @@ +import Dependencies._ + +val hadoopVersion = "2.5.0-cdh5.3.1" // IA cluster 2018-05-21: 2.5.0-cdh5.3.1 +val hbaseVersion = "0.98.6-cdh5.3.1" // IA cluster 2018-05-21: 0.98.6-cdh5.3.1 + +lazy val root = (project in file(".")). + + settings( + inThisBuild(List( + organization := "org.archive", + scalaVersion := "2.11.8", + version := "0.1.0-SNAPSHOT", + test in assembly := {}, + )), + + name := "scald-mvp", + + resolvers += "conjars.org" at "http://conjars.org/repo", + resolvers += "Apache HBase" at "https://repository.apache.org/content/repositories/releases", + resolvers += "Cloudera Maven Repository" at "https://repository.cloudera.com/artifactory/cloudera-repos", + resolvers += "Twitter Maven Repository" at "https://maven.twttr.com", + + libraryDependencies += scalaTest % Test, + libraryDependencies += "org.scala-lang" % "scala-library" % "2.11.8", + libraryDependencies += "com.twitter" % "scalding-core_2.11" % "0.17.2", + libraryDependencies += "org.apache.hadoop" % "hadoop-common" % hadoopVersion, + libraryDependencies += "org.apache.hadoop" % "hadoop-client" % hadoopVersion, + libraryDependencies += "org.apache.hadoop" % "hadoop-mapreduce-client-jobclient" % hadoopVersion classifier "tests", + libraryDependencies += "org.apache.hbase" % "hbase-common" % hbaseVersion, + libraryDependencies += "parallelai" % "parallelai.spyglass" % "2.11_0.17.2_cdh5.3.1", + + // cargo-culted from twitter/scalding's build.sbt + // hint via https://stackoverflow.com/questions/23280494/sbt-assembly-error-deduplicate-different-file-contents-found-in-the-following#23280952 + mergeStrategy in assembly := { + case s if s.endsWith(".class") => MergeStrategy.last + case s if s.endsWith("project.clj") => MergeStrategy.concat + case s if s.endsWith(".html") => MergeStrategy.last + case s if s.endsWith(".dtd") => MergeStrategy.last + case s if s.endsWith(".xsd") => MergeStrategy.last + case s if s.endsWith("pom.properties") => MergeStrategy.last + case s if s.endsWith("pom.xml") => MergeStrategy.last + case s if s.endsWith(".jnilib") => MergeStrategy.rename + case s if s.endsWith("jansi.dll") => MergeStrategy.rename + case s if s.endsWith("libjansi.so") => MergeStrategy.rename + case s if s.endsWith("properties") => MergeStrategy.filterDistinctLines + case s if s.endsWith("xml") => MergeStrategy.last + case x => (mergeStrategy in assembly).value(x) + }, + ) diff --git a/scalding/project/Dependencies.scala b/scalding/project/Dependencies.scala new file mode 100644 index 0000000..558929d --- /dev/null +++ b/scalding/project/Dependencies.scala @@ -0,0 +1,5 @@ +import sbt._ + +object Dependencies { + lazy val scalaTest = "org.scalatest" %% "scalatest" % "3.0.5" +} diff --git a/scalding/project/build.properties b/scalding/project/build.properties new file mode 100644 index 0000000..31334bb --- /dev/null +++ b/scalding/project/build.properties @@ -0,0 +1 @@ +sbt.version=1.1.1 diff --git a/scalding/project/plugins.sbt b/scalding/project/plugins.sbt new file mode 100644 index 0000000..084d4bf --- /dev/null +++ b/scalding/project/plugins.sbt @@ -0,0 +1,2 @@ +addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.6") +addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.9.0") diff --git a/scalding/src/main/scala/example/SimpleHBaseSourceExample.scala b/scalding/src/main/scala/example/SimpleHBaseSourceExample.scala new file mode 100644 index 0000000..fe2a120 --- /dev/null +++ b/scalding/src/main/scala/example/SimpleHBaseSourceExample.scala @@ -0,0 +1,36 @@ +package example + +import com.twitter.scalding.{Tsv, Args} +import parallelai.spyglass.base.JobBase +import org.apache.log4j.{Level, Logger} +import parallelai.spyglass.hbase.{HBasePipeConversions, HBaseSource} +import parallelai.spyglass.hbase.HBaseConstants.SourceMode +import cascading.tuple.Fields +import cascading.property.AppProps +import java.util.Properties + +/** + * Simple example of HBaseSource usage + */ +class SimpleHBaseSourceExample(args: Args) extends JobBase(args) with HBasePipeConversions { + + val isDebug: Boolean = args("debug").toBoolean + + if (isDebug) Logger.getRootLogger.setLevel(Level.DEBUG) + + val output = args("output") + + val hbs = new HBaseSource( + "table_name", + //"quorum_name:2181", + "mtrcs-zk1.us.archive.org:2181", // HBase Zookeeper server (to get runtime config info; can be array?) + new Fields("key"), + List("column_family"), + List(new Fields("column_name1", "column_name2")), + sourceMode = SourceMode.GET_LIST, keyList = List("1", "2", "3")) + .read + .debug + .fromBytesWritable(new Fields("key", "column_name1", "column_name2")) + .write(Tsv(output format "get_list")) + + } diff --git a/scalding/src/main/scala/example/WordCountJob.scala b/scalding/src/main/scala/example/WordCountJob.scala new file mode 100644 index 0000000..0e63fed --- /dev/null +++ b/scalding/src/main/scala/example/WordCountJob.scala @@ -0,0 +1,12 @@ +package example + +import com.twitter.scalding._ + +class WordCountJob(args: Args) extends Job(args) { + TypedPipe.from(TextLine(args("input"))) + .flatMap { line => line.split("\\s+") } + .map { word => (word, 1L) } + .sumByKey + // The compiler will enforce the type coming out of the sumByKey is the same as the type we have for our sink + .write(TypedTsv[(String, Long)](args("output"))) +} diff --git a/scalding/src/main/scala/sandcrawler/HBaseRowCountJob.scala b/scalding/src/main/scala/sandcrawler/HBaseRowCountJob.scala new file mode 100644 index 0000000..5df6b2e --- /dev/null +++ b/scalding/src/main/scala/sandcrawler/HBaseRowCountJob.scala @@ -0,0 +1,41 @@ +package sandcrawler + +import com.twitter.scalding._ +import parallelai.spyglass.base.JobBase +import parallelai.spyglass.hbase.{HBaseSource, HBasePipeConversions, HBaseConstants} +import parallelai.spyglass.hbase.HBaseConstants.SourceMode +import cascading.tuple.Fields +import cascading.property.AppProps +import java.util.Properties + + +class HBaseRowCountJob(args: Args) extends JobBase(args) with HBasePipeConversions { + + + // For now doesn't actually count, just dumps a "word count" + + val output = args("output") + + val hbs = new HBaseSource( + //"table_name", + //"quorum_name:2181", + "wbgrp-journal-extract-0-qa", // HBase Table Name + "mtrcs-zk1.us.archive.org:2181", // HBase Zookeeper server (to get runtime config info; can be array?) + new Fields("key"), + List("file"), + List(new Fields("size", "mimetype")), + sourceMode = SourceMode.GET_LIST, keyList = List("sha1:K2DKSSVTXWPRMFDTWSTCQW3RVWRIOV3Q", "sha1:C3YNNEGH5WAG5ZAAXWAEBNXJWT6CZ3WU")) + .read + .debug + .fromBytesWritable(new Fields("key")) + .write(Tsv(output format "get_list")) + + /* + List("column_family"), + sourceMode = SourceMode.SCAN_ALL) + .read + .debug + .fromBytesWritable(new Fields("key")) + .write(Tsv(output format "get_list")) + */ +} diff --git a/scalding/src/test/scala/example/SimpleHBaseSourceExampleTest.scala b/scalding/src/test/scala/example/SimpleHBaseSourceExampleTest.scala new file mode 100644 index 0000000..cf068c1 --- /dev/null +++ b/scalding/src/test/scala/example/SimpleHBaseSourceExampleTest.scala @@ -0,0 +1,58 @@ +package example + +import org.junit.runner.RunWith +import com.twitter.scalding.{JobTest, TupleConversions} +import org.scalatest.FunSpec +import org.scalatest.junit.JUnitRunner +import org.slf4j.LoggerFactory +import org.apache.hadoop.hbase.io.ImmutableBytesWritable +import cascading.tuple.{Tuple, Fields} +import org.apache.hadoop.hbase.util.Bytes +import scala._ +import com.twitter.scalding.Tsv +import parallelai.spyglass.hbase.HBaseSource +import parallelai.spyglass.hbase.HBaseConstants.SourceMode + +/** + * Example of how to define tests for HBaseSource + */ +@RunWith(classOf[JUnitRunner]) +class SimpleHBaseSourceExampleTest extends FunSpec with TupleConversions { + + val output = "/tmp/testOutput" + + val log = LoggerFactory.getLogger(this.getClass.getName) + + val sampleData = List( + List("1", "kk1", "pp1"), + List("2", "kk2", "pp2"), + List("3", "kk3", "pp3") + ) + + JobTest("example.SimpleHBaseSourceExample") + .arg("test", "") + .arg("app.conf.path", "app.conf") + .arg("output", output) + .arg("debug", "true") + .source[Tuple]( + new HBaseSource( + "table_name", + "mtrcs-zk1.us.archive.org:2181", + new Fields("key"), + List("column_family"), + List(new Fields("column_name1", "column_name2")), + sourceMode = SourceMode.GET_LIST, keyList = List("1", "2", "3")), + sampleData.map(l => new Tuple(l.map(s => {new ImmutableBytesWritable(Bytes.toBytes(s))}):_*))) + .sink[Tuple](Tsv(output format "get_list")) { + outputBuffer => + log.debug("Output => " + outputBuffer) + + it("should return the test data provided.") { + println("outputBuffer.size => " + outputBuffer.size) + assert(outputBuffer.size === 3) + } + } + .run + .finish + +} diff --git a/scalding/src/test/scala/example/WordCountTest.scala b/scalding/src/test/scala/example/WordCountTest.scala new file mode 100644 index 0000000..c42770f --- /dev/null +++ b/scalding/src/test/scala/example/WordCountTest.scala @@ -0,0 +1,36 @@ +/* +Copyright 2012 Twitter, Inc. + +Licensed 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. +*/ +package com.twitter.scalding + +import org.scalatest.{ Matchers, WordSpec } + +class WordCountTest extends WordSpec with Matchers { + "A WordCount job" should { + JobTest(new example.WordCountJob(_)) + .arg("input", "inputFile") + .arg("output", "outputFile") + .source(TextLine("inputFile"), List((0, "hack hack hack and hack"))) + .sink[(String, Int)](TypedTsv[(String, Long)]("outputFile")){ outputBuffer => + val outMap = outputBuffer.toMap + "count words correctly" in { + outMap("hack") shouldBe 4 + outMap("and") shouldBe 1 + } + } + .run + .finish() + } +} diff --git a/scalding/src/test/scala/sandcrawler/HBaseRowCountTest.scala b/scalding/src/test/scala/sandcrawler/HBaseRowCountTest.scala new file mode 100644 index 0000000..598f45d --- /dev/null +++ b/scalding/src/test/scala/sandcrawler/HBaseRowCountTest.scala @@ -0,0 +1,59 @@ +package example + +import org.junit.runner.RunWith +import com.twitter.scalding.{JobTest, TupleConversions} +import org.scalatest.FunSpec +import org.scalatest.junit.JUnitRunner +import org.slf4j.LoggerFactory +import org.apache.hadoop.hbase.io.ImmutableBytesWritable +import cascading.tuple.{Tuple, Fields} +import org.apache.hadoop.hbase.util.Bytes +import scala._ +import com.twitter.scalding.Tsv +import parallelai.spyglass.hbase.HBaseSource +import parallelai.spyglass.hbase.HBaseConstants.SourceMode + +/** + * Example of how to define tests for HBaseSource + */ +@RunWith(classOf[JUnitRunner]) +class HBaseRowCountTest extends FunSpec with TupleConversions { + + val output = "/tmp/testOutput" + + val log = LoggerFactory.getLogger(this.getClass.getName) + + val sampleData = List( + List("sha1:K2DKSSVTXWPRMFDTWSTCQW3RVWRIOV3Q", "a", "b"), + List("sha1:C3YNNEGH5WAG5ZAAXWAEBNXJWT6CZ3WU", "a", "b") + ) + + JobTest("sandcrawler.HBaseRowCountJob") + .arg("test", "") + .arg("app.conf.path", "app.conf") + .arg("output", output) + .arg("debug", "true") + .source[Tuple]( + new HBaseSource( + //"table_name", + //"quorum_name:2181", + "wbgrp-journal-extract-0-qa", + "mtrcs-zk1.us.archive.org:2181", + new Fields("key"), + List("file"), + List(new Fields("size", "mimetype")), + sourceMode = SourceMode.GET_LIST, keyList = List("sha1:K2DKSSVTXWPRMFDTWSTCQW3RVWRIOV3Q", "sha1:C3YNNEGH5WAG5ZAAXWAEBNXJWT6CZ3WU")), + sampleData.map(l => new Tuple(l.map(s => {new ImmutableBytesWritable(Bytes.toBytes(s))}):_*))) + .sink[Tuple](Tsv(output format "get_list")) { + outputBuffer => + log.debug("Output => " + outputBuffer) + + it("should return the test data provided.") { + println("outputBuffer.size => " + outputBuffer.size) + assert(outputBuffer.size === 2) + } + } + .run + .finish + +} |