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kubernetes/test/e2e_node
Kubernetes Submit Queue 6f7cc12c3c Merge pull request #29685 from bboreham/kill-setpgid-3
Automatic merge from submit-queue

Fix killing child sudo process in e2e_node tests

Fixes #29211; re-doing #29380 which was reverted due to cross-platform build failure #29669.

The context is we are trying to kill a process started as `sudo kube-apiserver`, but `sudo` ignores signals from the same process group. Applying `Setpgid` means the `sudo kill` process won't be in the same process group, so will not fall foul of this nifty feature.

~~I also took the liberty of removing some code setting `Pdeathsig` because it claims to be doing something  in the same area, but actually it doesn't do that at all.  The setting is applied to the forked process, i.e. `sudo`, and it means the `sudo` will get killed if we (`e2e_node.test`) die.  This (a) isn't what the comment says and (b) doesn't help because sending SIGKILL to the sudo process leaves sudo's child alive.~~

We do need to use the same 'hack' to access `Setpgid` as the `e2e_node.test` program gets built on Windows (although it doesn't run there).

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2016-08-11 05:38:17 -07:00
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2016-07-30 00:07:02 -04:00

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PLEASE NOTE: This document applies to the HEAD of the source tree

If you are using a released version of Kubernetes, you should refer to the docs that go with that version.

The latest release of this document can be found [here](http://releases.k8s.io/release-1.1/docs/devel/collab.md).

Documentation for other releases can be found at releases.k8s.io.

See e2e-node-tests

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