This is how I understand it as well and it is the situation that we are targeting in CompatibleOne, static configuration is all well and good but for future PaaS based work it is necessary to be able to reconfigure things while they are up and running ... not to mention ghandling other more problematic things than just personalisation. Sincerely Jamie
From: florian.feldhaus@tu-dortmund.de To: Alan.Sill@ttu.edu; occi-wg@ogf.org Date: Mon, 5 Dec 2011 16:45:01 +0000 CC: otacorp@gmail.com Subject: Re: [occi-wg] Send shell commands to new hosts started with OCCI
As far as I understand it, this is a problem not directly targeted by OCCI. You need to have some script or service running inside a VM to configure it. IMHO the OVF standard in version 2.0 tries to enable this contextualization of VMs.
If you have an OCCI service running inside the VM and you want to send the machine a command to deploy something, then OCCI could handle it. The difference is, that OVF statically describes a virtual appliance, whereas OCCI allows to send commands to a cloud service. You could even combine both, having specified some basic configuration in the OVF package and then adding, modifying and removing applications using OCCI.
Cheers, Florian
Am 05.12.11 16:24 schrieb "Alan Sill" unter <Alan.Sill@ttu.edu>:
Could this be handled via the mix-in mechanism? The difficulty may be differences in how start-up scripts are invoked in various operating systems, for which it is hard to have a solution built into the standard. Having mechanisms that can work via a mix-in for various popular OS'es may, however, be possible.
Alan
On Dec 5, 2011, at 3:33 AM, Jamie Marshall wrote:
Hello,
my 2 cents worth may be worth a read.
Here in France in the CompatibleOne project we are faced with much the same issue.
Our aim is the provision of a fully automated brokering and provisioning platform for the satisfaction of complex and hetrogeneous cloud provisioning requests. We have also identified this difficulty as bein one of the aspects for which we will need to find or provide a satisfactory solution for ALL cloud provider platforms. We have been working on this subject and have already a basic architectural model allowing us to perform automatic provisioning with configuration for open stack and open nebual platforms. We demonstrated this 19 days ago at the OW2 Conference at Orange Labs here in Paris. Of course there is much more work to be done and we welcome ideas and thoughts on this very important subject.
Sincerely Jamie Marshall Expertise Manager Prologue Architect CompatibleOne
system
Date: Mon, 5 Dec 2011 09:57:03 +0100 From: otacorp@gmail.com To: michael.behrens@r2ad.com CC: occi-wg@ogf.org Subject: Re: [occi-wg] Send shell commands to new hosts started with OCCI
Cheers and thanks for your answer.
Well, It looks like a no so I'll use some other way to achieve my goal.
Have a nice day
On 05/12/11 0.04, Michael Behrens wrote: 2-cents: It's an interesting request to consider. As part of cloud automation, being able to kick off a configuration script is important.
I think some sort of startup script or agent would be needed to be staged in the guest VM first - not sure how one would otherwise communicate with a new machine securely. Then once the SSH keys are generated, that generic script could then invoke a configuration server to proceed with the next steps.
This reminds me that we need to start considering the PaaS specifications soon. As part of PaaS, being able scale new machines up and configure them is important.
-- Michael B.
Stefano Ghio wrote: Greetings,
I was wondering if it was possible to send shell commands to new hosts started with OCCI. I would like to do launche some java -jar after the host has started, preferably without using a script on the host.
I couldn't find anything anywhere about it (OCCI Core, OCCI HTTP Rendering, OCCI Infrastructure).
Thank you, regards -- Dr. Stefano Ghio - ENG Engineering Italy
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