blob: c074759fb132039d73ade2d52389b097d475013f [file] [log] [blame]
Helper unctions to run REEF applications
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
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
function Get-YARN-Classpath {
Returns the classpath setup by YARN.
A simple wrapper around "yarn classpath" that cleans up the classpath returned and formats it into a list.
(Invoke-Expression -Command "$env:HADOOP_HOME\bin\yarn.cmd classpath").split(";") | Where-Object {$_ -ne ""} | Unique
function Submit-YARN-Application {
Runs a given main class from a given JAR file on a YARN cluster.
Runs a given main class from a given JAR file on a YARN cluster. This assumes
that $JAVA_HOME is set and that yarn is on the $PATH.
# the jar file(s) with the project inside
[Parameter(Mandatory=$True, HelpMessage="The JAR file(s) to launch.", Position=1)]
# the main class to run
[Parameter(Mandatory=$True, HelpMessage="The main class to launch.", Position=2)]
[Parameter(HelpMessage="Turn on detailed logging.")]
[Parameter(Mandatory=$False, HelpMessage="Options to be passed to java")]
$Jars | %{
# Check whether the file exists
if (!(Test-Path $_)) {
Write-Host "Error: JAR file doesn't exist: " $_
# Assemble the classpath for the job
$CLASSPATH = (Get-YARN-Classpath) + $Jars -join ";"
$CLASSPATH = $Jars -join ";"
# the logging command
if ($VerboseLog) {
$LogParams = "`"-Djava.util.logging.config.class=org.apache.reef.util.logging.Config`""
# Assemble the command to run
# Note: We need to put the classpath within "", as it contains ";"
$command = "& `"$env:JAVA_HOME\bin\java.exe`" $JavaOptions -cp `"$CLASSPATH`" $LogParams $Class $Arguments"
if ($VerboseLog) {
echo $command
Invoke-Expression -Command $command