log.Warnf("skipping workload entry %s/%s; DNS Address resolution is not yet implemented", wle.Namespace, wle.Name)
		}

		w.WorkloadName, w.WorkloadType = wle.Name, workloadapi.WorkloadType_POD // XXX(shashankram): HACK to impersonate pod
		w.CanonicalName, w.CanonicalRevision = kubelabels.CanonicalService(wle.Labels, w.WorkloadName)

		setTunnelProtocol(wle.Labels, wle.Annotations, w)

	CertSigner = "CertSigner"

	// ImpersonatedIdentity declares the identity we are requesting a certificate on behalf of.
	// This is constrained to only allow identities in CATrustedNodeAccounts, and only to impersonate identities
	// on their node.
	ImpersonatedIdentity = "ImpersonatedIdentity"
)

type ImpersonatedIdentityContextKey struct{}