On 03.05.2021 09:48, Ulrich Windl wrote:
>>>> Ken Gaillot <kgail...@redhat.com> schrieb am 30.04.2021 um 16:57 in
> Nachricht
> <3acef4bc31923fb019619c713300444c2dcd354a.ca...@redhat.com>:
>> On Fri, 2021‑04‑30 at 11:00 +0100, lejeczek wrote:
>>> Hi guys
>>>
>>> I'd like to ask around for thoughts & suggestions on any
>>> semi/official ways to monitor VirtualDomain.
>>> Something beyond what included RA does ‑ such as actual
>>> health testing of and communication with VM's OS.
>>>
>>> many thanks, L.
>>
>> This use case led to a Pacemaker feature many moons ago ...
>>
>> Pacemaker supports nagios plug‑ins as a resource type (e.g.
>> nagios:check_apache_status). These are service checks usually used with
>> monitoring software such as nagios, icinga, etc.
>>
>> If the service being monitored is inside a VirtualDomain, named vm1 for
>> example, you can configure the nagios resource with the resource meta‑
>> attribute container="vm1". If the nagios check fails, Pacemaker will
>> restart vm1.
>
> "check fails" mans WARNING, CRITICAL, or UNKNOWN? ;-)
>
switch (rc) {
case NAGIOS_STATE_OK:
return PCMK_OCF_OK;
case NAGIOS_INSUFFICIENT_PRIV:
return PCMK_OCF_INSUFFICIENT_PRIV;
case NAGIOS_NOT_INSTALLED:
return PCMK_OCF_NOT_INSTALLED;
case NAGIOS_STATE_WARNING:
case NAGIOS_STATE_CRITICAL:
case NAGIOS_STATE_UNKNOWN:
case NAGIOS_STATE_DEPENDENT:
default:
return PCMK_OCF_UNKNOWN_ERROR;
}
return PCMK_OCF_UNKNOWN_ERROR;
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