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From Amogh Vasekar <amogh.vase...@citrix.com>
Subject [PROPOSAL] Ability to add new guest OS
Date Mon, 03 Mar 2014 20:44:49 GMT
Hi,

CloudStack currently does not allow an easy way to add new guest OS types,
for example, a standard way to add say, CentOS 6.5 even though a
hypervisor may support it.
Part of the reason is since the OS to hypervisor-specific platform
mappings are currently hard-coded into the code-base [1][2]
To support such new OS addition, the current way is to manipulate the DB
using upgrade scripts and make the necessary code changes.
This proposal aims to partially mitigate this issue by allowing the
CloudStack admin the ability to add new OS in the list, and update the
mapping to hypervisor-specific platform names, via APIs / UI. For now, the
admin will be responsible for providing the mapping to hypervisor-specific
platform names based on his knowledge, which may be enhanced in future.
For example, based on [1], an admin should be able to add a mapping like :
CentOS 6.5 (64 bit) -> CentsOS 6.5 .

The functional spec can be found at :
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Proposal+-+Ability+t
o+add+new+guest+OS+mappings

Comments / suggestions welcome.

Thanks,
Amogh


[1] 
https://github.com/apache/cloudstack/blob/master/plugins/hypervisors/kvm/sr
c/com/cloud/hypervisor/kvm/resource/KVMGuestOsMapper.java
[2] 
https://github.com/apache/cloudstack/blob/master/plugins/hypervisors/xen/sr
c/com/cloud/hypervisor/xen/resource/CitrixHelper.java


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