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From Alex Heneveld <alex.henev...@cloudsoftcorp.com>
Subject Re: [jira] [Created] (CLOUDSTACK-576) PaaS Enablement: Composite Application Blueprints
Date Tue, 04 Dec 2012 17:05:34 GMT

Hi folks--

To get the ball rolling here are a few questions on design/features.  
And my answers, in order to kick off the argument discussion this 
needs!  I'll collate and post at #576.


*(1) Should we try for an AWS or vApp look-alike?  Or build something 
around Cloudstack concepts?*

Something new and lightweight based around Cloudstack, taking the best 
of the others.

Cloudstack concepts (networking, service offerings) have evolved a lot 
since EC2 and are more expressive.  If we try to mimic something else 
too much we'll end up with a poorly fitting shoe.

A migration tool to take other template types would then be an option.


*(2) What functionality do people care about most?*

- ability to launch a set of VM's based on template ID or template 
key/value details
- ability to define a scalable cluster of a template
- ability to attach external (code) policies to that cluster
- ability to specify that the collection is on a private subnet with 
only selected VM+ports exposed via a public IP


*(3) What deployment and management tools/techniques are people using 
and would like to see supported here?*

- bash scripts (install and run scripts, with ability to refer to other 
VMs programmatically in the script)
- deploy a puppet-master, then bring up other "stem-cell" nodes which 
connect to the puppet master
- (David Nalley has already mentioned knife-cloudstack using chef)
- whirr  ( http://whirr.apache.org )
- brooklyn ( http://brooklyncentral.github.com ) for clusters and 
policies, building on the above


Best,
Alex


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