Eric Johnson created LIBCLOUD-625:
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             Summary: GCE: When used on a GCE instance, auth should use 
metadata tokens
                 Key: LIBCLOUD-625
                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-625
             Project: Libcloud
          Issue Type: Improvement
          Components: Compute
         Environment: Google Compute Engine
            Reporter: Eric Johnson


Currently, the GCE driver only supports authorization from a perspective that 
code is executed "outside" of the GCE environment. However, if code is executed 
on an instance running "inside" GCE, it is possible to handle authorization 
with GCE's internal metadata service for an access token.

When an instance is created with appropriate service account scopes, this 
access token can be used to provide authorization to access the corresponding 
Google Cloud services.

https://cloud.google.com/compute/docs/authentication




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