ProxyNamespace:              PodNamespaceVar.Get(),
		ProxyDomain:                 proxy.DNSDomain,
		IstiodSAN:                   istiodSAN.Get(),
		UseExternalWorkloadSDS:      useExternalWorkloadSDSEnv,
		MetadataDiscovery:           enableWDSEnv,
		SDSFactory:                  sds,
	}
	extractXDSHeadersFromEnv(o)
	return o
}

// Simplified extraction of gRPC headers from environment.

		EnvoyStatusPort:             a.cfg.EnvoyStatusPort,
		ExitOnZeroActiveConnections: a.cfg.ExitOnZeroActiveConnections,
		XDSRootCert:                 a.cfg.XDSRootCerts,
		MetadataDiscovery:           a.cfg.MetadataDiscovery,
	})
}

func (a *Agent) initializeEnvoyAgent(_ context.Context) error {
	node, err := a.generateNodeMetadata()
	if err != nil {