Re: [Xen-API] Help : How to Trace all of VM lifecycle events?

[Youngsang Shin <ysshin@xxxxxxxxx>]

I'll check out audit.log. Actually I've looked into all of logs in
addition to xensource.log. However, I think I need to parse audit.log
more carefully.

Regarding event watching, it'd be a bit hard to trace which lifecycle
event was executed only by watching VM modification.

Youngsang

Sent from my iPhone

Oct 31, 2013 10:32 PM Jon Ludlam <jonathan.ludlam@xxxxxxxxxxxxx> ìì:

>> On 31/10/13 07:53, Youngsang Shin wrote:
>> Hi,
>>
>> I'm looking for a method to trace all of lifecycle events for each of VMs in 
>> XenServers.
>>
>> To monitor the below example information:
>> 1) to build a hierarchy of VMs
>>  : which VM is a parent of some VMs (which VM was copied from)
>> 2) every single lifecycle event of each VM
>>  : when it was created, shutdowned, restarted, copied, live-migrated, etc
>>
>> I've tried to parse the log, xensource.log. However, it doesn't log every 
>> lifecycle events clearly. It's pretty hard to follow each VM lifecycle 
>> command in the log.
>>
>> At this point, I'm thinking of a way to watch XAPI events. But, I'm not sure 
>> if it would nicely work without any harsh complication.
>>
>> Is there any nice way to trace all of such lifecycle events of VM?
>
> If you're into parsing logs, audit.log might be a better choice. I don't 
> think we log things initiated from inside the guest, though - for example, an 
> internal reboot.
>
> Event watching should probably give you what you want - but unless     you 
> were watching all the time you may miss transients, e.g. power-state changes. 
> You can register to see only updates to VMs, which would cut down on the 
> amount of uninteresting stuff you'd otherwise have to ignore.
>
> Jon
>
>
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