Hi,

In Telecom Cloud applications, the requirements for every application are 
different. One application might need 10 CPUs, 10GB RAM and no disk. Another 
application might need 1 CPU, 512MB RAM and 100GB Disk. This varied 
requirements directly affects the flavors which need to be created for 
different applications (virtual instances). Customer has his own custom 
requirements for CPU, RAM and other hardware requirements. So, based on the 
requests from the customers, we believe that the flavor creation should be done 
along with the instance creation, just before the instance is created. Most of 
the flavors will be specific to that application and therefore will not be 
suitable by other instances.

The obvious way is to allow users to create flavors and boot customized 
instances through Heat. As of now, users can launch instances through heat 
along with predefined nova flavors only. We have made some changes in our setup 
and tested it. This change allows creation of customized nova flavors using 
heat templates. We are also using extra-specs in the flavors for use in our 
private cloud deployment.
This gives an option to the user to mention custom requirements for the flavor 
in the heat template directly along with the instance details. There is one 
problem in the nova flavor creation using heat templates. Admin privileges are 
required to create nova flavors. There should be a way to allow a normal user 
to create flavors.

Your comments and suggestions are most welcome on how to handle this problem !!!

Regards,
Vijaykumar Kodam

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  • [openstack-dev] [... Kodam, Vijayakumar (EXT-Tata Consultancy Ser - FI/Espoo)
    • Re: [opensta... Steven Dake
      • Re: [ope... Steve Baker
        • Re: ... Shawn Hartsock
          • ... Jiang, Yunhong
            • ... Shawn Hartsock
              • ... Shawn Hartsock
                • ... Kodam, Vijayakumar (EXT-Tata Consultancy Ser - FI/Espoo)
        • Re: ... Kodam, Vijayakumar (EXT-Tata Consultancy Ser - FI/Espoo)
          • ... Steven Hardy
            • ... Kodam, Vijayakumar (EXT-Tata Consultancy Ser - FI/Espoo)

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