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https://issues.apache.org/jira/browse/YARN-8913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16660947#comment-16660947
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Eric Yang commented on YARN-8913:
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Launch command looks like this in patch 002:
{code}
cd /tmp/mawo/hadoop-applications-mawo-0.0.1-SNAPSHOT/bin;export
JAVA_HOME=/usr/lib/jvm/java-1.8.0;/tmp/mawo/hadoop-applications-mawo-0.0.1-SNAPSHOT/bin/mawo
--config /tmp/mawo-config master -job_descripiton_file_path
/tmp/mawo/mawo-payload.json -mawo_app_name mawo-hadoop-ut
{code}
This is trying to do 3 things at the same time.
# Change working directory to
/tmp/mawo/hadoop-applications-mawo-0.0.1-SNAPSHOT/bin
# Set JAVA_HOME environment variable
# Run Mawo script with configuration parameters
It will greatly simplify the complexity by using an entry-point.sh to
bootstrap. Mawo script can source mawo-env.sh to locate JAVA_HOME location
like hadoop's libexec/hadoop-config.sh. The working directory can be computed
from basedir $0/.. in the entry-point.sh. This will change the launch command
to call a fixed entry-point.sh to improve readability and prevent path
traversal security exploits in the container.
> Add helper scripts to launch MaWo App to run Hadoop unit tests on Hadoop
> Cluster
> --------------------------------------------------------------------------------
>
> Key: YARN-8913
> URL: https://issues.apache.org/jira/browse/YARN-8913
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Yesha Vora
> Assignee: Yesha Vora
> Priority: Blocker
> Attachments: YARN-8913.001.patch, YARN-8913.002.patch
>
>
> MaWo application can be used to run Hadoop UT faster in a Hadoop cluster.
> Develop helper scripts to orchestrate end-to-end workflow for running Hadoop
> UT using MaWo app.
> Pre-requisite:
> * A Hadoop Cluster with HDFS and YARN installed
> * Enable Docker on YARN feature
>
> Helper-scripts
> * MaWo_Driver
> ** create a docker image with latest hadoop source code
> ** create payload to MaWo app (This is input to mawo app where Each MaWo
> Task = UT execution of each Hadoop Module)
> ** Upload payload file to HDFS
> ** Update MaWo-Launch.json to resolve RM_HOST / Docker Image etc dynamically
> ** Launch MaWo app in Hadoop cluster
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