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Set ClusterFirstWithHostNet DNS policy when the Pods use host network. #428

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merged 2 commits into from
Sep 14, 2021

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alculquicondor
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@alculquicondor alculquicondor commented Sep 13, 2021

This allows resolving the worker and launcher hostnames without needing to include the namespace or cluster domain.

Also migrated the base image to use port 2222, as port 22 is usually taken by the host's sshd. This should make it easier for pods to use host network.

Fixes #427

Use 2222 by default.

This should make it easier to use host networks, as generally the port 22 is taken by the host's sshd.
when the Pods use host network.

This allows resolving the worker and launcher hostnames without needing to include the namespace or cluster domain.
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@gaocegege gaocegege left a comment

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LGTM

BTW, can you please explain the use scenario of using host network?

Is it for performance issue or do you want to use RDMA?

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Some users might choose host network for extra network performance.

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@terrytangyuan terrytangyuan left a comment

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Thanks!

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: terrytangyuan

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@google-oss-robot google-oss-robot merged commit fee9913 into kubeflow:master Sep 14, 2021
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Support hostNetwork Pods
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