Omit host metadata retry predicate (proto)¶

extensions.retry.host.omit_host_metadata.v3.OmitHostMetadataConfig¶

A retry host predicate that can be used to reject a host based on predefined metadata match criteria.

This extension has the qualified name envoy.retry_host_predicates.omit_host_metadata

Note

This extension is intended to be robust against untrusted downstream traffic. It assumes that the upstream is trusted.

Tip

This extension extends and can be used with the following extension category:

This extension must be configured with one of the following type URLs:

{
  "metadata_match": {...}
}

metadata_match: (config.core.v3.Metadata) Retry host predicate metadata match criteria. The hosts in the upstream cluster with matching metadata will be omitted while attempting a retry of a failed request. The metadata should be specified under the envoy.lb key.