Werk #12706: ps section parser: crash on KeyError() when host is using busybox' ps implementation

Component

Checks & agents

Title

ps section parser: crash on KeyError() when host is using busybox' ps implementation

Date

Apr 9, 2021

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.1.0b1	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
2.0.0p2	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Busybox' ps implementation does not provide the columns needed for the ps check, so the section parser crashes on missing colums (of which the first is 'user', resulting in KeyError(user). This change checks for the existence of all needed columns and aborts otherwise.

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