GitHub user rvesse opened a pull request:
https://github.com/apache/spark/pull/21796
[SPARK-24833][K8S][WIP] Add host name aliases feature
## What changes were proposed in this pull request?
This adds a new feature to the driver and executor builders for K8S that
allows providing host name aliases into the K8S pods. This is useful
for environments where DNS is not usable or you need to add aliases to
make non-K8S services accessible.
For example in our environment we use host aliases to route internal system
services e.g. Zookeeper without having to know the external host name of the
system.
## How was this patch tested?
Added unit tests for this functionality, will add more tests in the next
day or two.
CC @mccheah
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rvesse/spark SPARK-24833
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21796.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #21796
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commit 097937b4319ab5a7cca0da492492c7dcec431a8c
Author: Rob Vesse <rvesse@...>
Date: 2018-07-17T15:27:07Z
[SPARK-24833][K8S] Add host name aliases feature
This adds a new feature to the driver and executor builders for K8S that
allows providing host name aliases into the K8S pods. This is useful
for environments where DNS is not usable or you need to add aliases to
make non-K8S services accessible.
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