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action #131471

Updated by dheidler 11 months ago

## Motivation 
 While investigating #131447 we noticed that there are quite a few leftover temporary directories in `/tmp`. These appear to have been created by the scheduler or webui, and under certain circumstances are not cleaned up even if they are no longer needed. 
 ``` 
 ... 
 drwx------ 2 geekotest nogroup    40 Jun 24 14:42 Y7FKl4lvbt 
 drwx------ 2 geekotest nogroup    40 Jun 22 08:39 yblAcg26X3 
 drwx------ 2 geekotest nogroup    40 Jun 25 09:09 YeBlK48awn 
 drwx------ 2 geekotest nogroup    40 Jun 23 19:55 yENrB8ToeU 
 drwx------ 2 geekotest nogroup    40 Jun 27 12:04 Y_F6OzG5_3 
 drwx------ 2 geekotest nogroup    40 Jun 23 17:46 yfGT2ppHyr 
 drwx------ 2 geekotest nogroup    40 Jun 25 09:09 yfneSFCwls 
 drwx------ 2 geekotest nogroup    40 Jun 22 16:54 yHqfyU6xnC 
 drwx------ 2 geekotest nogroup    40 Jun 26 02:26 YHrukyCIn5 
 drwx------ 2 geekotest nogroup    40 Jun 27 11:22 yIlfzjoPpj 
 drwx------ 2 geekotest nogroup    40 Jun 23 21:16 Yixisovjrn 
 drwx------ 2 geekotest nogroup    40 Jun 23 17:48 Yj1yuoh_7D 
 drwx------ 2 geekotest nogroup    40 Jun 22 11:50 YlIRb1a69M 
 drwx------ 2 geekotest nogroup    40 Jun 27 12:19 YLqGsMNpZ9 
 ... 
 ``` 
 What triggers the directories not to be cleaned up is unclear. 

 ## Acceptance criteria 
 * **AC1:** No more leftover temporary directories on OSD and O3 

 ## Suggestions 
 * `tempdir()` is called in two places ([here](https://github.com/os-autoinst/openQA/blob/74f3352b05303c0f91b570695cfce9dd0d718a6e/lib/OpenQA/Schema/Result/Jobs.pm#L390) and [here](https://github.com/os-autoinst/openQA/blob/74f3352b05303c0f91b570695cfce9dd0d718a6e/lib/OpenQA/Scheduler/Model/Jobs.pm#L461)) 
 * Focus on fixing the cleanup code 
 * It might make sense to change the default directory from `/tmp` to some directory under `/var/lib/openqa/...` too, since that's usually where we have our faster larger disks mounted 

 ## Out of scope 
 * Using a tmpfs is out of scope (we have https://progress.opensuse.org/issues/131516 for that)

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