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[SPARK-23680] Fix entrypoint.sh to properly support Arbitrary UIDs

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## What changes were proposed in this pull request?

As described in SPARK-23680, entrypoint.sh returns an error code because of a command pipeline execution where it is expected in case of Openshift environments, where arbitrary UIDs are used to run containers

## How was this patch tested?

This patch was manually tested by using docker-image-toll.sh script to generate a Spark driver image and running an example against an OpenShift cluster.

Please review http://spark.apache.org/contributing.html before opening a pull request.

Author: Ricardo Martinelli de Oliveira <rmartine@rmartine.gru.redhat.com>

Closes #20822 from rimolive/rmartine-spark-23680.
This commit is contained in:
Ricardo Martinelli de Oliveira 2018-03-16 10:37:11 -07:00 committed by Erik Erlandson
parent 88d8de9260
commit 9945b0227e
1 changed files with 3 additions and 0 deletions
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resource-managers/kubernetes/docker/src/main/dockerfiles/spark/entrypoint.sh
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@ -22,7 +22,10 @@ set -ex
# Check whether there is a passwd entry for the container UID
myuid=$(id -u)
mygid=$(id -g)
# turn off -e for getent because it will return error code in anonymous uid case
set +e
uidentry=$(getent passwd $myuid)
set -e
# If there is no passwd entry for the container UID, attempt to create one
if [ -z "$uidentry" ] ; then