[ClusterLabs] Is it possible to sign up for cluster events from Pacemaker?

[Kostiantyn Ponomarenko]

Yes, DBus would be one of the ways.

Thank you,
Kostia

On Mon, Sep 26, 2016 at 3:33 PM, Klaus Wenninger <kwenning at redhat.com>
wrote:

> On 09/26/2016 02:29 PM, Kostiantyn Ponomarenko wrote:
>
> Correcting a typo.
> * the same -> I also was hoping to hear that I can do the same from c++
> code.
>
>
> There is no direct-API or so just the Agent-Interface.
> But of course the Agent can be a binary compiled from c++ code
> that communicates via some IPC with whoever.
>
> Where you thinking of e.g. a DBus interface?
>
> Klaus
>
>
> Thank you,
> Kostia
>
> On Mon, Sep 26, 2016 at 3:28 PM, Kostiantyn Ponomarenko <
> konstantin.ponomarenko at gmail.com> wrote:
>
>> Thanks for the answer.
>>
>> I also was hoping to hear that I can do the case from c++ code.
>>
>> Thank you,
>> Kostia
>>
>> On Mon, Sep 26, 2016 at 1:59 PM, Klaus Wenninger <kwenning at redhat.com>
>> wrote:
>>
>>> On 09/26/2016 12:29 PM, Kostiantyn Ponomarenko wrote:
>>> > Hi,
>>> >
>>> > I am wondering if it is possible to sing up for cluster events from
>>> > Pacemaker? Something like:
>>> >  - a node joins/leaves the cluster,
>>> >  - a resource fails,
>>> >  - a resources moves,
>>> >  - etc.
>>> Sounds like a use case for the alerts-feature coming with
>>> pacemaker-1.1.15.
>>> You can configure alert-agents to be called in the cases mentioned.
>>> Meanwhile there should be high-level-tooling support from crmsh & pcs.
>>> Legacy features for a similar purpose are ClusterMon-RA &
>>> cluster-properties
>>> notification-agent/recipient.
>>> For further reading see:
>>> http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemake
>>> r_Explained/ch07.html
>>>
>>> >
>>> > Thank you,
>>> > Kostia
>>> >
>>> >
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>>
>>
>
>
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