Re: [PATCH python v4 1/7] Introduce storage lifecycle event APIs

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On 06/24/2016 12:31 PM, Daniel P. Berrange wrote:
> On Thu, Jun 16, 2016 at 10:08:55AM +0200, Jovanka Gulicoska wrote:
>> Storage pool lifecycle event API entry points for registering and deregistering
>> storage pool events, as well as types of events associated with storage pools.
>> These entry points will be used for implementing asynchronous lifecycle events.
>>
>> Storage pool API:
>> virConnectStoragePoolEventRegisterAny
>> virConnectStoragePoolEventDeregisterAny
>> virStoragePoolEventLifecycleType which has events STARTED, STOPPED, DEFINED,
>> UNDEFINED, and REFRESHED
> 
> This is wrong. A storage pool refresh is *not* a lifecycle change, as there
> is no transition involved - the pool is simply running the whole time.
> 

Hmm, in my head I was thinking more 'we emit DEFINED event when guest XML is
redefined/changed, refresh often implies changed XML, so make it a LIFECYCLE
event liked DEFINED', but indeed it doesn't really have a true state component
to it so I'll defer to your judgement here.

> We should have a completely separate event for notifying of refreshes.
> 
> This is critical to fix before the 2.0.0 release, so I will shortly
> send patches to fix the API in this respect.

Reviewing your patch now...

Thanks,
Cole

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