[ClusterLabs Developers] Resurrecting OCF

Digimer lists at alteeve.ca
Thu Aug 18 13:57:03 UTC 2016


On 18/08/16 08:51 AM, Jan Pokorný wrote:
> On 15/08/16 12:37 +0200, Jan Pokorný wrote:
>> On 18/07/16 11:13 -0500, Ken Gaillot wrote:
>>> A suggestion came up recently to formalize a new version of the OCF
>>> resource agent API standard[1].
>>>
>>> The main goal would be to formalize the API as it is actually used
>>> today, and to replace the "unique" meta-data attribute with two new
>>> attributes indicating uniqueness and reloadability.
>>
>> My suggestion would be to consider changing the provider name for RAs
>> from resource-agents upstream project to anything more reasonable
>> than "heartbeat"
> 
> Thinking about that, ClusterLabs may be considered a brand established
> well enough for "clusterlabs" provider to work better than anything
> general such as previously proposed "core".  Also, it's not expected
> there will be more RA-centered projects under this umbrella than
> resource-agents (pacemaker deserves to be a provider on its own),
> so it would be pretty unambiguous pointer.

+1

> And for new, not well-tested agents within resource-agents, there could
> also be a provider schema akin to "clusterlabs-staging" introduced.
> 
> 1 CZK
> 
>> in one step with bumping to-be-added conformance parameter in
>> meta-data denoting that the RA in question reflects the requirements
>> of the new revision of OCF/resource agents API (and, apparently, in
>> one step with delivering any conformance adjustments needed, such as
>> mentioned "unique" indicator).
>>
>> Original thread regarding this related suggestion from 3 years ago:
>> http://lists.linux-ha.org/pipermail/linux-ha/2013-July/047320.html
>>
>> spanned also into the following month:
>> http://lists.linux-ha.org/pipermail/linux-ha/2013-August/047368.html
>>
>>> We could also add the fence agent API as a new spec, or expand the
>>> RA spec to cover both.
>>
>> Definitely, the spec(s) should be as language-agnostic as possible
>> (so no pretending that, e.g., fencing library of fence-agents is
>> a panacea to hide all the interaction/inteface details; the goal
>> of the standardization work should be to allow truly interchangeable
>> components).
>>
>>> [...]
>>>
>>> [1]
>>> http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD
> 
> 
> 
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Digimer
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