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https://issues.apache.org/jira/browse/LIBCLOUD-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493774#comment-13493774
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Tomaz Muraus commented on LIBCLOUD-255:
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You are right, ignore my previous comment.
I will work on getting it reviewed and merged later today. Thanks!
> Driver registration and handling improvements
> ---------------------------------------------
>
> Key: LIBCLOUD-255
> URL: https://issues.apache.org/jira/browse/LIBCLOUD-255
> Project: Libcloud
> Issue Type: Improvement
> Components: Core
> Reporter: Mahendra M
> Priority: Minor
> Attachments: libcloud-255.patch
>
>
> The following are limitations that can come up while using libcloud in
> production - because of usage of C/C++ style ENUM based mechanism of
> registering drivers.
> 1) In a s/w setup which supports multiple cloud environments (or local), the
> admin/dev must be able to change the driver via a conf file. For eg:
> storage_driver = 's3', key = 'abcd' etc. In the current mechanism, the
> mapping of the driver name to number must be done externally.
> 2) There is no mechanism for dynamically registering a driver. It is quite
> possible that user's might have drivers which are for private cloud setups.
> They may want to install libcloud via PYPI, but use their own private
> drivers. Currently, there is no mechanism to do this without changing
> libcloud code.
> Also, IMHO, the C/C++ style enumerations need not be there in python.
> The solution for this is pretty simple to implement (given the good design of
> libcloud).
> 1) Replace the enum numbers with strings. Given the usage of a dictionary for
> registering drivers, this will work out of the box.
> 2) Implement a set_driver() API which can be used for registering new drivers.
> With this change, libcloud usage can be controlled externally (via a config
> file or a db field etc.) as the admin sees fit.
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