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6f6ee5581e
Refs #26822 AWS says to treat 503 errors, at least in the case of ec2 metadata query, as backoff-retry (generally, we do _not_ retry on provider level, but delegate this to higher levels). This patch adds special treatment for 503:s (service unavailable) for both ec2 meta and actual endpoint, doing exponential backoff. Note: we do _not_ retry forever. Not tested as such, since I don't get any errors when testing (doh!). Should try to set up a mock ec2 meta with injected errors maybe. Closes scylladb/scylladb#26934 * github.com:scylladb/scylladb: encryption::kms_host: Add exponential backoff-retry for 503 errors encryption::kms_host: Include http error code in kms_error