EnvoyのDatadog APMでresouceをingressからホスト別にする

Envoy 1.27以降

            tracing:
              custom_tags:
                - tag: resource.name
                  request_header:
                    name: ":authority"
              provider:
                name: envoy.tracers.datadog
                typed_config:
                  "@type": type.googleapis.com/envoy.config.trace.v3.DatadogConfig
                  collector_cluster: datadog_cluster
                  service_name: service_name

github.com

www.envoyproxy.io

github.com

docs.datadoghq.com