backend/s3: Configure AWS Client MaxRetries and provide enhanced S3 NoSuchBucket error message #19951
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…oSuchBucket error message The AWS Go SDK automatically provides a default request retryer with exponential backoff that is invoked via setting `MaxRetries` or leaving it `nil` will default to 3. The terraform-aws-provider `config.Client()` sets `MaxRetries` to 0 unless explicitly configured above 0. Previously, we were not overriding this behavior by setting the configuration and therefore not invoking the default request retryer. The default retryer already handles HTTP error codes above 500, including S3's InternalError response, so the extraneous handling can be removed. This will also start automatically retrying many additional cases, such as temporary networking issues or other retryable AWS service responses. Changes: * s3/backend: Add `max_retries` argument * s3/backend: Enhance S3 NoSuchBucket error to include additional information
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@bflad Is there an argument to configure the time between each retry, that would compliment EDIT: nw, found it, uses exp backoff by default: https://docs.aws.amazon.com/sdk-for-go/v1/api/aws.request.Retryer.html EDIT2: Question remains however: How much time of total retries would that (max retries 5 default) translate to? |
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References:
The AWS Go SDK automatically provides a default request retryer with exponential backoff that is invoked via setting
MaxRetriesor leaving itnilwill default to 3. The terraform-aws-providerconfig.Client()setsMaxRetriesto 0 unless explicitly configured above 0. Previously, we were not overriding this behavior by setting the configuration and therefore not invoking the default request retryer.The default retryer already handles HTTP error codes above 500, including S3's InternalError response, so the extraneous handling can be removed. This will also start automatically retrying many additional cases, such as temporary networking issues or other retryable AWS service responses.
Changes:
max_retriesargumentOutput from acceptance testing (no new failures):