Bug 1889405

Summary: Cronjob skips
Product: OpenShift Container Platform Reporter: Danila Kiselev <dkiselev>
Component: kube-controller-managerAssignee: Maciej Szulik <maszulik>
Status: CLOSED WONTFIX QA Contact: zhou ying <yinzhou>
Severity: low Docs Contact:
Priority: low    
Version: 3.11.0CC: aos-bugs, eparis, jokerman, mfojtik, sponnaga
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Target Release: 3.11.z   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2020-12-04 16:15:26 UTC Type: Bug
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Description Danila Kiselev 2020-10-19 15:33:56 UTC 
Description of problem:

Customer experiences random skips of cronjob (supposed to work everyday). They use it to execute their own app (and they're very sure the problem is in cronjob). 

They have some problems with sosreport. 
$ sosreport --allow-system-changes -k docker.all=on -k docker.logs=on

only give some info, a lot of commands were skipped with "required kernel modules or services not present (kmods=[] services=[docker])." even with "--allow-system-changes" key. 

They tried to recreate the cronjob, still got problems.

Version-Release number of selected component (if applicable):
Openshift 3.11.200 on Atomic Host 7.7.5

How reproducible:
Rarely

Steps to Reproduce:
The issue seems to be random.

Actual results:
Cronjob doesn't work

Expected results:
Cronjob finished successfully
Comment 3 Maciej Szulik 2020-10-23 10:25:15 UTC 
I’m adding UpcomingSprint, because I was occupied by fixing bugs with higher priority/severity, developing new features with higher priority, or developing new features to improve stability at a macro level. I will revisit this bug next sprint.
Comment 4 Maciej Szulik 2020-11-13 10:52:50 UTC 
I’m adding UpcomingSprint, because I was occupied by fixing bugs with higher priority/severity, developing new features with higher priority, or developing new features to improve stability at a macro level. I will revisit this bug next sprint.
Comment 5 Maciej Szulik 2020-12-04 16:15:26 UTC 
This is going to be addressed in the new cronjob controller which is being introduced as alpha in k8s 1.20/ocp 4.7.