Re: cfengine watchdog is not biting

Xander Cage <[email protected]> Thu, 22 Feb 2024 05:26:24 -0800 (PST)
Newsgroups gmane.comp.sysutils.cfengine.general
Message-ID <[email protected]>
forgot to post the error:

root@aixtest01: /root # /var/cfengine/bin/watchdog_changed
/var/cfengine/bin/watchdog_changed[52]: syntax error at line 64 : `else' 
unexpected

On Thursday, February 22, 2024 at 2:25:03 PM UTC+1 Xander Cage wrote:

> i dont think the problematic situation can be simulated, but running the 
> changed script shows a missing "then" ;-)
>
>
> https://github.com/cfengine/masterfiles/blob/70eb84ad845af716fdc53b1299544e7b521a563d/cfe_internal/core/watchdog/templates/watchdog.mustache#L60
>
> after adding it, the scripts runs without errors....
>
> On Thursday, February 22, 2024 at 2:47:24 AM UTC+1 [email protected] 
> wrote:
>
>> I opened a pull request: 
>> https://github.com/cfengine/masterfiles/pull/2841
>>
>> Would like some help with testing.  Would be especially great to test on 
>> some of these systems where the existing pidfile logic isn't working, 
>> besides testing the usual cases.
>>
>> Best,
>> --Mike Weilgart
>> On Wednesday, February 21, 2024 at 6:59:41 AM UTC-8 
>> [email protected] wrote:
>>
>>> Thanks for filing the ticket. :D
>>>
>>> On Tuesday, February 20, 2024 at 6:34:15 AM UTC-6 Xander Cage wrote:
>>>
>>>> ticket created -> https://northerntech.atlassian.net/browse/CFE-4335
>>>>
>>>>
>>>> On Tuesday, February 20, 2024 at 11:11:20 AM UTC+1 Xander Cage wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> At times the cfengine watchdog script is unable to resolve hanging 
>>>>> cf-agents. the reason is that if the system is under high load the watchdog 
>>>>> "hangs" because it reads his own stale pid file and is doing simply 
>>>>> nothing. 
>>>>>
>>>>> example:
>>>>>
>>>>> i had 332 hanging cf-agent processe but the watchdog log just shows 
>>>>> this.
>>>>>
>>>>> Tue Feb 20 10:57:00 CET 2024 Initiating watchdog 6816488
>>>>> Tue Feb 20 10:57:00 CET 2024 Aborting execution of watchdog 6816488, 
>>>>> existing watchdog process 16450014 running
>>>>> Tue Feb 20 10:58:00 CET 2024 Initiating watchdog 44499432
>>>>> Tue Feb 20 10:58:00 CET 2024 Aborting execution of watchdog 44499432, 
>>>>> existing watchdog process 16450014 running
>>>>>
>>>>> after deleting the pid file...
>>>>>
>>>>> Tue Feb 20 10:59:00 CET 2024 Initiating watchdog 25756150
>>>>> Tue Feb 20 10:59:01 CET 2024 Found cf-execd not running
>>>>> Tue Feb 20 10:59:03 CET 2024 Found 332 occurrences of cf-execd 
>>>>> terminating unresponsive cf-agent
>>>>> Tue Feb 20 10:59:04 CET 2024 Found 2 symptoms, threshold (0) breached.
>>>>> Tue Feb 20 10:59:06 CET 2024 Initiating apoptosis
>>>>> Tue Feb 20 10:59:10 CET 2024 Initiating anastasis
>>>>>
>>>>> i guess there is room for impovement, as this can bring a system down 
>>>>> quite easyily.
>>>>>
>>>>> wbr
>>>>>
>>>>> chris
>>>>>
>>>>>

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