From 29f7c23a1d04f8fcca0181e71aff9deb6826e81e Mon Sep 17 00:00:00 2001
From: Eric Haberkorn <erichaberkorn@gmail.com>
Date: Mon, 15 May 2023 13:31:16 -0400
Subject: [PATCH] sidecar-proxy refactor (#17336) (#17366)

---
 .../grpc-external/services/peerstream/subscription_manager.go | 2 +-
 agent/sidecar_service.go                                      | 4 ++--
 agent/structs/config_entry_exports.go                         | 1 +
 agent/structs/structs.go                                      | 2 ++
 4 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/agent/grpc-external/services/peerstream/subscription_manager.go b/agent/grpc-external/services/peerstream/subscription_manager.go
index a209b2b39f5e..007b51bb4512 100644
--- a/agent/grpc-external/services/peerstream/subscription_manager.go
+++ b/agent/grpc-external/services/peerstream/subscription_manager.go
@@ -744,7 +744,7 @@ func (m *subscriptionManager) NotifyStandardService(
 //
 // This name was chosen to match existing "sidecar service" generation logic
 // and similar logic in the Service Identity synthetic ACL policies.
-const syntheticProxyNameSuffix = "-sidecar-proxy"
+const syntheticProxyNameSuffix = structs.SidecarProxySuffix
 
 func generateProxyNameForDiscoveryChain(sn structs.ServiceName) structs.ServiceName {
 	return structs.NewServiceName(sn.Name+syntheticProxyNameSuffix, &sn.EnterpriseMeta)
diff --git a/agent/sidecar_service.go b/agent/sidecar_service.go
index 3b536223ffb1..6cd6d294e532 100644
--- a/agent/sidecar_service.go
+++ b/agent/sidecar_service.go
@@ -10,7 +10,7 @@ import (
 	"github.com/hashicorp/consul/agent/structs"
 )
 
-const sidecarIDSuffix = "-sidecar-proxy"
+const sidecarIDSuffix = structs.SidecarProxySuffix
 
 func sidecarIDFromServiceID(serviceID string) string {
 	return serviceID + sidecarIDSuffix
@@ -93,7 +93,7 @@ func sidecarServiceFromNodeService(ns *structs.NodeService, token string) (*stru
 		sidecar.Kind = structs.ServiceKindConnectProxy
 	}
 	if sidecar.Service == "" {
-		sidecar.Service = ns.Service + "-sidecar-proxy"
+		sidecar.Service = ns.Service + structs.SidecarProxySuffix
 	}
 	if sidecar.Address == "" {
 		// Inherit address from the service if it's provided
diff --git a/agent/structs/config_entry_exports.go b/agent/structs/config_entry_exports.go
index 81c62e1236d1..958e6a241969 100644
--- a/agent/structs/config_entry_exports.go
+++ b/agent/structs/config_entry_exports.go
@@ -57,6 +57,7 @@ func (e *ExportedServicesConfigEntry) ToMap() map[string]map[string][]string {
 				consumers = append(consumers, c.Partition)
 			}
 			resp[svc.Namespace][svc.Name] = consumers
+			resp[svc.Namespace][svc.Name+SidecarProxySuffix] = consumers
 		}
 	}
 	return resp
diff --git a/agent/structs/structs.go b/agent/structs/structs.go
index fea6da365b80..34c041d587c2 100644
--- a/agent/structs/structs.go
+++ b/agent/structs/structs.go
@@ -1245,6 +1245,8 @@ func (a ServiceAddress) ToAPIServiceAddress() api.ServiceAddress {
 	return api.ServiceAddress{Address: a.Address, Port: a.Port}
 }
 
+const SidecarProxySuffix = "-sidecar-proxy"
+
 // NodeService is a service provided by a node
 type NodeService struct {
 	// Kind is the kind of service this is. Different kinds of services may