[Pacemaker] Newcomer's question - API?

[Tim Ward]

> You can try tooking at LCMC as that is a Java-based GUI that 
> should at least get you going.

I did find some Java code but we can't use it because it's GPL, and I
didn't want to study it in case I accidentally copied some of it in
recreating it.

> But perhaps you have the experience (and bandwidth) to take 
> on the SWIG task?

What is SWIG?

Tim Ward
Brett Ward Limited - www.brettward.co.uk  

> -----Original Message-----
> From: Florian Haas [mailto:florian at hastexo.com] 
> Sent: 01 November 2011 15:34
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] Newcomer's question - API?
> 
> On 2011-11-01 12:29, Tim Ward wrote:
> > I have found documentation on how to drive Pacemaker from 
> the command 
> > line, but nothing about how to drive it from code, 
> specifically Java.
> > 
> > Clearly there must be some such mechanism, as I see mention of GUI 
> > managers which do just that.
> 
> Believe it or not, what those do is call out to the cibadmin, 
> crm_resource, and crm_attribute binaries.
> 
> There's a C API via libcib. There's been talk before about 
> SWIGifying that, and then be able to generate bindings for 
> anything that SWIG supports (including Java), but nothing of 
> that sort has materialized up to this point.
> 
> > So where should I be looking for the API documentation please?
> 
> Andrew will correct me if I'm wrong, but as far as I know 
> there is none.
> 
> > (Yes I realise that I could run the command line commands 
> from Java, 
> > but the problem (apart from this being somewhat tacky) is 
> then knowing 
> > whether it worked or, if not, what went wrong; I've not found any 
> > documentation of the textual output from the commands, and 
> if it isn't 
> > documented as being stable I'm (obviously) worried that it might 
> > change between versions.)
> 
> You can try tooking at LCMC as that is a Java-based GUI that 
> should at least get you going.
> 
> But perhaps you have the experience (and bandwidth) to take 
> on the SWIG task?
> 
> Cheers,
> Florian
> 
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