Workaround GoGrid API Errors
----------------------------
Key: LIBCLOUD-44
URL: https://issues.apache.org/jira/browse/LIBCLOUD-44
Project: Libcloud
Issue Type: Bug
Components: Core
Reporter: Russell Haering
I've been receiving occasional errors from the Mashery Proxy in front of the
GoGrid API. I have modified the GoGrid driver to do the following:
1. Use POSTs in place of GETs for API calls with the potential to provision,
destroy or reboot servers. These aren't actually used in the fix I eventually
settled on, but should probably be used in any case.
2. When checking for the success of a request, check for headers indicating a
proxy error and raise an exception specific to this error.
3. Implement a counter to retry requests up to 20 times, once every 10 seconds,
when these errors occur. I haven't spent too much time tuning this, but with 10
retries I was still getting occasional failures.
I'll be attaching the patch momentarily, or these changes (among others) have
been applied to my github fork at: http://github.com/russellhaering/libcloud
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