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From GitBox <...@apache.org>
Subject [GitHub] [libcloud] Kami commented on issue #1321: SignatureDoesNotMatch for manual request
Date Sun, 21 Jul 2019 14:50:57 GMT
Kami commented on issue #1321: SignatureDoesNotMatch for manual request
URL: https://github.com/apache/libcloud/issues/1321#issuecomment-513560984
 
 
   Which signature algorithm you are using? I believe we default to v2.
   
   I imagine it's something related to the nested dictionary you are trying to use - in EC2
driver we send data via query parameters and not as part of a request body.
   
   This means you should use ``parent key.child key``` notation for your query param keys.
So something like "params = {"LaunchTemplateData.ImageId: "...."}``. You can find an example
of that here - https://github.com/apache/libcloud/pull/1224/files#diff-36825a12922cd525dde5f5dd9635f775R1887
   
   If that doesn't work, I would add some debug / print statements to this method and see
what is going on - https://github.com/apache/libcloud/blob/trunk/libcloud/common/aws.py#L205
   
   And perhaps just try:
   
   ```python
       params = {
           'Action': 'CreateLaunchTemplate',
       }
   ```
    To see if that works (I believe it should and shouldn't throw signature mismatch error).

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