Gautham Banasandra created YARN-11078:
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Summary: Set env vars in a cross platform compatible way
Key: YARN-11078
URL: https://issues.apache.org/jira/browse/YARN-11078
Project: Hadoop YARN
Issue Type: Improvement
Components: webapp
Affects Versions: 3.4.0
Reporter: Gautham Banasandra
Assignee: Gautham Banasandra
Prior to running a node.js command, a TMPDIR environment variable is set -
[hadoop/package.json at 11d144d2284be29da1f49e163db0763636dcf058 ยท
apache/hadoop
(github.com)|https://github.com/apache/hadoop/blob/11d144d2284be29da1f49e163db0763636dcf058/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/package.json#L11-L13]
{code:json}
"build:mvn": "TMPDIR=tmp node/node ./node_modules/ember-cli/bin/ember build
-prod"
{code}
This causes the command execution to fail on Windows since environment
variables are set using the *set* command on Windows. The equivalent command on
Windows would be
{code:json}
"build:mvn": "set TMPDIR=tmp; node/node ./node_modules/ember-cli/bin/ember
build -prod"
{code}
There's no cross platform way to set the environment. Thus, we need to be able
to chose either of the commands based on the platform where Hadoop gets built
on.
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