[jira] [Resolved] (LIBCLOUD-428) OpenStack provider does not check if auth token has expired before trying to use it

["Tomaz Muraus (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LIBCLOUD-428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tomaz Muraus resolved LIBCLOUD-428.
-----------------------------------

    Resolution: Fixed
      Assignee: Tomaz Muraus

[~micolous] OK, added some more tests and went ahead and merged patch into trunk.

If you encounter any similar issues in the future, please re-open this ticket.

> OpenStack provider does not check if auth token has expired before trying to use it
> -----------------------------------------------------------------------------------
>
>                 Key: LIBCLOUD-428
>                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-428
>             Project: Libcloud
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.13.2
>         Environment: Linux Python 2.7
>            Reporter: Michael Farrell
>            Assignee: Tomaz Muraus
>
> The OpenStack provider (and by extension, the Rackspace provider) does not check to see if the authentication token has expired before attempting to use it.
> In {{libcloud/common/openstack.py}} at {{OpenStackBaseConnection._populate_hosts_and_request_paths}}, the library checks that a token exists, and creates it if it does not.
> The issue is that it does not check if the token has expired, despite having this information in {{self.auth_token_expires}}.
> So a long-running Python process will eventually fail because the token will expire, and the API will return {{HTTP 401 Unauthorized}}.
> I've written a hacky workaround to this, by copying {{OpenStackAuthConnection._is_token_valid}} into {{OpenStackBaseConnection}}, then replacing the {{_populate_hosts_and_requests_paths}} auth token check with a call to {{_is_token_valid}}.
> This is shown in this commit: https://github.com/Caramel/libcloud/commit/317a039
> There's probably a better way to implement it without duplicating this function, but I don't know enough of the codebase to make this change.  I'm also unsure if other drivers also have this problem that are not based on OpenStack.



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