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Create the tmpRoot directory, update amazonEMR paths #8

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7 changes: 5 additions & 2 deletions src/Hadron/Controller.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,8 @@ import Hadron.Logger
import Hadron.Protocol
import Hadron.Run
import Hadron.Run.Hadoop (mrsInput, mrsJobName,
mrsNumReduce, mrsOutput)
mrsNumReduce, mrsOutput,
tmpRoot)
import Hadron.Types
import Hadron.Utils
-------------------------------------------------------------------------------
Expand Down Expand Up @@ -800,7 +801,9 @@ orchestrate (Controller p) settings rr s = do
(\_h -> do echoInfo () "Initiating orchestration..."
evalStateT (runExceptT (go p)) s)
where
go = eval . O.view
go x = do
liftIO $ hdfsMkdir settings tmpRoot
eval $ O.view x

eval (Return a) = return a
eval (i :>>= f) = eval' i >>= go . f
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8 changes: 4 additions & 4 deletions src/Hadron/Run/Hadoop.hs
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Expand Up @@ -116,10 +116,10 @@ clouderaDemo = HadoopEnv {

-- | Settings for Amazon's EMR instances.
amazonEMR :: HadoopEnv
amazonEMR = HadoopEnv {
_hsBin = "/home/hadoop/bin/hadoop"
, _hsJar = "/home/hadoop/contrib/streaming/hadoop-streaming.jar"
}
amazonEMR = HadoopEnv
{ _hsBin = "/usr/bin/hadoop"
, _hsJar = "/usr/lib/hadoop/hadoop-streaming.jar"
}


instance Default HadoopEnv where
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