First public release of Spy Glass code base

3 files changed, 215 insertions, 0 deletions

diff --git a/src/main/scala/parallelai/spyglass/hbase/HBaseSource.scala b/src/main/scala/parallelai/spyglass/hbase/HBaseSource.scala
new file mode 100644
index 0000000..e46ef50
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/HBaseSource.scala
@@ -0,0 +1,82 @@
+package parallelai.spyglass.hbase
+
+import java.io.IOException
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable
+import org.apache.hadoop.hbase.util.Bytes
+import com.twitter.scalding.AccessMode
+import com.twitter.scalding.Hdfs
+import com.twitter.scalding.Mode
+import com.twitter.scalding.Read
+import com.twitter.scalding.Source
+import com.twitter.scalding.Write
+import cascading.scheme.Scheme
+import cascading.tap.SinkMode
+import cascading.tap.Tap
+import cascading.tuple.Fields
+import org.apache.hadoop.mapred.RecordReader
+import scala.compat.Platform
+import org.apache.hadoop.mapred.OutputCollector
+import org.apache.hadoop.mapred.JobConf
+import parallelai.spyglass.hbase.HBaseConstants.SourceMode
+
+object Conversions {
+  implicit def bytesToString(bytes: Array[Byte]): String = Bytes.toString(bytes)
+  implicit def bytesToLong(bytes: Array[Byte]): Long = augmentString(bytesToString(bytes)).toLong
+  implicit def ibwToString(ibw: ImmutableBytesWritable): String = bytesToString(ibw.get())
+  implicit def stringToibw(s: String):ImmutableBytesWritable = new ImmutableBytesWritable(Bytes.toBytes(s))
+}
+
+class HBaseSource(
+    tableName: String = null,
+    quorumNames: String = "localhost",
+    keyFields: Fields = null,
+    familyNames: Array[String] = null,
+    valueFields: Array[Fields] = null,
+    timestamp: Long = Platform.currentTime,
+    sourceMode: SourceMode = SourceMode.SCAN_ALL,
+    startKey: String = null,
+    stopKey: String = null,
+    keyList: List[String] = null
+  ) extends Source {
+    
+  override val hdfsScheme = new HBaseScheme(keyFields, timestamp, familyNames, valueFields)
+    .asInstanceOf[Scheme[JobConf, RecordReader[_, _], OutputCollector[_, _], _, _]]
+
+  override def createTap(readOrWrite: AccessMode)(implicit mode: Mode): Tap[_, _, _] = {
+    val hBaseScheme = hdfsScheme match {
+      case hbase: HBaseScheme => hbase
+      case _ => throw new ClassCastException("Failed casting from Scheme to HBaseScheme")
+    } 
+    mode match { 
+      case hdfsMode @ Hdfs(_, _) => readOrWrite match {
+        case Read => { 
+          val hbt = new HBaseTap(quorumNames, tableName, hBaseScheme, SinkMode.KEEP)
+          
+          sourceMode match {
+            case SourceMode.SCAN_RANGE => {
+              hbt.setHBaseRangeParms(startKey, stopKey)
+            }
+            case SourceMode.SCAN_ALL => {
+              hbt.setHBaseScanAllParms()
+            }
+            case SourceMode.GET_LIST => {
+              if( keyList == null ) 
+                throw new IOException("Key list cannot be null when Source Mode is " + sourceMode)
+              
+              hbt.setHBaseListParms(keyList.toArray[String])
+            }
+            case _ => throw new IOException("Unknown Source Mode (%)".format(sourceMode))
+          }
+          
+          hbt.asInstanceOf[Tap[_,_,_]]
+        }
+        case Write => {
+          val hbt = new HBaseTap(quorumNames, tableName, hBaseScheme, SinkMode.UPDATE)
+          
+          hbt.asInstanceOf[Tap[_,_,_]]
+        }
+      }
+      case _ => super.createTap(readOrWrite)(mode)
+    }
+  }
+}
diff --git a/src/main/scala/parallelai/spyglass/hbase/example/HBaseExample.scala b/src/main/scala/parallelai/spyglass/hbase/example/HBaseExample.scala
new file mode 100644
index 0000000..4c86b07
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/example/HBaseExample.scala
@@ -0,0 +1,99 @@
+package parallelai.spyglass.hbase.example
+
+import org.apache.hadoop.conf.Configuration
+import org.apache.hadoop.hbase.HBaseConfiguration
+import org.apache.hadoop.hbase.client.HConnectionManager
+import org.apache.hadoop.hbase.client.HTable
+import org.apache.hadoop.hbase.util.Bytes
+import org.apache.log4j.Level
+import org.apache.log4j.Logger
+
+import com.twitter.scalding._
+import com.twitter.scalding.Args
+
+import parallelai.spyglass.base.JobBase
+import parallelai.spyglass.hbase.HBaseSource
+import parallelai.spyglass.hbase.HBaseConstants.SourceMode
+
+class HBaseExample(args: Args) extends JobBase(args) {
+
+  val isDebug: Boolean = args("debug").toBoolean
+
+  if (isDebug) Logger.getRootLogger().setLevel(Level.DEBUG)
+
+  val output = args("output")
+
+  println(output)
+
+  val jobConf = getJobConf
+
+  val quorumNames = "cldmgr.prod.bigdata.bskyb.com:2181"
+
+  case class HBaseTableStore(
+      conf: Configuration,
+      quorum: String,
+      tableName: String) {
+
+    val tableBytes = Bytes.toBytes(tableName)
+    val connection = HConnectionManager.getConnection(conf)
+    val maxThreads = conf.getInt("hbase.htable.threads.max", 1)
+
+    conf.set("hbase.zookeeper.quorum", quorumNames);
+
+    val htable = new HTable(HBaseConfiguration.create(conf), tableName)
+
+  }
+
+  val hTableStore = HBaseTableStore(getJobConf, quorumNames, "skybet.test.tbet")
+
+  val hbs2 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.GET_LIST, keyList = List("5003914", "5000687", "5004897"))
+    .read
+    .write(Tsv(output.format("get_list")))
+
+  val hbs3 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_ALL) //, stopKey = "99460693")
+    .read
+    .write(Tsv(output.format("scan_all")))
+
+  val hbs4 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, stopKey = "5003914")
+    .read
+    .write(Tsv(output.format("scan_range_to_end")))
+
+  val hbs5 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, startKey = "5003914")
+    .read
+    .write(Tsv(output.format("scan_range_from_start")))
+
+  val hbs6 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, startKey = "5003914", stopKey = "5004897")
+    .read
+    .write(Tsv(output.format("scan_range_between")))
+
+} 
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diff --git a/src/main/scala/parallelai/spyglass/hbase/example/HBaseExampleRunner.scala b/src/main/scala/parallelai/spyglass/hbase/example/HBaseExampleRunner.scala
new file mode 100644
index 0000000..d6b762e
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/example/HBaseExampleRunner.scala
@@ -0,0 +1,34 @@
+package parallelai.spyglass.hbase.example
+
+import com.twitter.scalding.Tool
+import org.joda.time.format.DateTimeFormat
+import java.util.Formatter.DateTime
+
+object HBaseExampleRunner extends App {
+  val appPath = System.getenv("BIGDATA_APPCONF_PATH") 
+  assert  (appPath != null, {"Environment Variable BIGDATA_APPCONF_PATH is undefined or Null"})
+  println( "Application Path is [%s]".format(appPath) )
+  
+  val modeString = if( args.length == 0 ) { "--hdfs" } else { args(0) match {
+    case "hdfs" => "--hdfs"
+    case _ => "--local"
+  }}
+  
+  println(modeString)
+  
+  val jobLibPath = modeString match {
+    case "--hdfs" => {
+      val jobLibPath = System.getenv("BIGDATA_JOB_LIB_PATH") 
+      assert  (jobLibPath != null, {"Environment Variable BIGDATA_JOB_LIB_PATH is undefined or Null"})
+      println( "Job Library Path Path is [%s]".format(jobLibPath) )
+      jobLibPath
+    }
+    case _ => ""
+  }
+
+  val output = "HBaseTest.%s.tsv"
+
+  Tool.main(Array(classOf[HBaseExample].getName, modeString, "--app.conf.path", appPath,
+    "--output", output, "--debug", "true", "--job.lib.path", jobLibPath ))
+ 
+}
\ No newline at end of file