No credentials cache file found while validating credentials

Posted by / 08-Dec-2020 09:07

No credentials cache file found while validating credentials

Boto3 will automatically use IAM role credentials if it does not find credentials in any of the other places listed above.

In general, boto3 follows the same approach used in credential lookup: try various locations until a value is found.The number of seconds before a connection to the instance metadata service should time out.When attempting to retrieve credentials on an EC2 instance that has been configured with an IAM role, a connection to the instance metadata service will time out after 1 second by default.Boto3 uses these sources for configuration: The path to a custom certificate bundle to use when establishing SSL/TLS connections.Boto3 includes a bundled CA bundle it will use by default, but you can set this environment variable to use a different CA bundle.

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to use or which addressing style to use for Amazon S3.