Net-137: Node relays (#2401)

* revert relays

* initial relay commit

* get relayed allowed ips

* add more relay validation checks, peer logic cleanup

* rm relayed nodes from relay node when relayed node is deleted

* fix egress updates for relayed nodes

* rm unused func

* remove  debug logs

* avoid adding egress ranges on the relayed gw node

---------

Co-authored-by: Matthew R Kasun <[email protected]>

cli/cmd/host/create_relay.go

@@ -1,22 +0,0 @@
-package host
-
-import (
-	"strings"
-
-	"github.com/gravitl/netmaker/cli/functions"
-	"github.com/spf13/cobra"
-)
-
-var hostCreateRelayCmd = &cobra.Command{
-	Use:   "create_relay [HOST ID] [RELAYED HOST IDS (comma separated)]",
-	Args:  cobra.ExactArgs(2),
-	Short: "Turn a Host into a Relay",
-	Long:  `Turn a Host into a Relay`,
-	Run: func(cmd *cobra.Command, args []string) {
-		functions.PrettyPrint(functions.CreateRelay(args[0], strings.Split(args[1], ",")))
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(hostCreateRelayCmd)
-}

cli/cmd/node/create_relay.go

@@ -0,0 +1,22 @@
+package node
+
+import (
+	"strings"
+
+	"github.com/gravitl/netmaker/cli/functions"
+	"github.com/spf13/cobra"
+)
+
+var hostCreateRelayCmd = &cobra.Command{
+	Use:   "create_relay [NETWORK][NODE ID] [RELAYED NODE IDS (comma separated)]",
+	Args:  cobra.ExactArgs(3),
+	Short: "Turn a Node into a Relay",
+	Long:  `Turn a Node into a Relay`,
+	Run: func(cmd *cobra.Command, args []string) {
+		functions.PrettyPrint(functions.CreateRelay(args[0], args[1], strings.Split(args[2], ",")))
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(hostCreateRelayCmd)
+}

cli/cmd/host/delete_relay.go → cli/cmd/node/delete_relay.go

@@ -1,4 +1,4 @@
-package host
+package node
 
 import (
 	"github.com/gravitl/netmaker/cli/functions"
@@ -6,12 +6,12 @@ import (
 )
 
 var hostDeleteRelayCmd = &cobra.Command{
-	Use:   "delete_relay [HOST ID]",
-	Args:  cobra.ExactArgs(1),
-	Short: "Delete Relay role from a host",
-	Long:  `Delete Relay role from a host`,
+	Use:   "delete_relay [NETWORK] [NODE ID]",
+	Args:  cobra.ExactArgs(2),
+	Short: "Delete Relay from a node",
+	Long:  `Delete Relay from a node`,
 	Run: func(cmd *cobra.Command, args []string) {
-		functions.PrettyPrint(functions.DeleteRelay(args[0]))
+		functions.PrettyPrint(functions.DeleteRelay(args[0], args[1]))
 	},
 }
 

cli/cmd/node/flags.go

@@ -12,7 +12,7 @@ var (
 	postUp                 string
 	postDown               string
 	keepAlive              int
-	relayAddrs             string
+	relayedNodes           string
 	egressGatewayRanges    string
 	expirationDateTime     int
 	defaultACL             bool

cli/cmd/node/update.go

@@ -35,8 +35,8 @@ var nodeUpdateCmd = &cobra.Command{
 			node.Address6 = address6
 			node.LocalAddress = localAddress
 			node.PersistentKeepalive = int32(keepAlive)
-			if relayAddrs != "" {
-				node.RelayAddrs = strings.Split(relayAddrs, ",")
+			if relayedNodes != "" {
+				node.RelayedNodes = strings.Split(relayedNodes, ",")
 			}
 			if egressGatewayRanges != "" {
 				node.EgressGatewayRanges = strings.Split(egressGatewayRanges, ",")
@@ -62,7 +62,7 @@ func init() {
 	nodeUpdateCmd.Flags().StringVar(&postUp, "post_up", "", "Commands to run after node is up `;` separated")
 	nodeUpdateCmd.Flags().StringVar(&postDown, "post_down", "", "Commands to run after node is down `;` separated")
 	nodeUpdateCmd.Flags().IntVar(&keepAlive, "keep_alive", 0, "Interval in which packets are sent to keep connections open with peers")
-	nodeUpdateCmd.Flags().StringVar(&relayAddrs, "relay_addrs", "", "Addresses for relaying connections if node acts as a relay")
+	nodeUpdateCmd.Flags().StringVar(&relayedNodes, "relayed_nodes", "", "relayed nodes if node acts as a relay")
 	nodeUpdateCmd.Flags().StringVar(&egressGatewayRanges, "egress_addrs", "", "Addresses for egressing traffic if node acts as an egress")
 	nodeUpdateCmd.Flags().IntVar(&expirationDateTime, "expiry", 0, "UNIX timestamp after which node will lose access to the network")
 	nodeUpdateCmd.Flags().BoolVar(&defaultACL, "acl", false, "Enable default ACL ?")

cli/functions/host.go

@@ -36,17 +36,18 @@ func DeleteHostFromNetwork(hostID, network string) *hostNetworksUpdatePayload {
 	return request[hostNetworksUpdatePayload](http.MethodDelete, "/api/hosts/"+hostID+"/networks/"+network, nil)
 }
 
-// CreateRelay - turn a host into a relay
-func CreateRelay(hostID string, relayedHosts []string) *models.ApiHost {
-	return request[models.ApiHost](http.MethodPost, fmt.Sprintf("/api/hosts/%s/relay", hostID), &models.HostRelayRequest{
-		HostID:       hostID,
-		RelayedHosts: relayedHosts,
+// CreateRelay - add relay to a node
+func CreateRelay(netID, nodeID string, relayedNodes []string) *models.ApiNode {
+	return request[models.ApiNode](http.MethodPost, fmt.Sprintf("/api/nodes/%s/%s/createrelay", netID, nodeID), &models.RelayRequest{
+		NodeID:       nodeID,
+		NetID:        netID,
+		RelayedNodes: relayedNodes,
 	})
 }
 
-// DeleteRelay - remove relay role from a host
-func DeleteRelay(hostID string) *models.ApiHost {
-	return request[models.ApiHost](http.MethodDelete, fmt.Sprintf("/api/hosts/%s/relay", hostID), nil)
+// DeleteRelay - remove relay from a node
+func DeleteRelay(netID, nodeID string) *models.ApiNode {
+	return request[models.ApiNode](http.MethodDelete, fmt.Sprintf("/api/nodes/%s/%s/deleterelay", netID, nodeID), nil)
 }
 
 // RefreshKeys - refresh wireguard keys

controllers/hosts.go

@@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
-	"reflect"
 
 	"github.com/gorilla/mux"
 	"github.com/gravitl/netmaker/logger"
@@ -26,11 +25,9 @@ func hostHandlers(r *mux.Router) {
 	r.HandleFunc("/api/hosts/{hostid}", logic.SecurityCheck(true, http.HandlerFunc(deleteHost))).Methods(http.MethodDelete)
 	r.HandleFunc("/api/hosts/{hostid}/networks/{network}", logic.SecurityCheck(true, http.HandlerFunc(addHostToNetwork))).Methods(http.MethodPost)
 	r.HandleFunc("/api/hosts/{hostid}/networks/{network}", logic.SecurityCheck(true, http.HandlerFunc(deleteHostFromNetwork))).Methods(http.MethodDelete)
-	r.HandleFunc("/api/hosts/{hostid}/relay", logic.SecurityCheck(false, http.HandlerFunc(createHostRelay))).Methods(http.MethodPost)
-	r.HandleFunc("/api/hosts/{hostid}/relay", logic.SecurityCheck(false, http.HandlerFunc(deleteHostRelay))).Methods(http.MethodDelete)
 	r.HandleFunc("/api/hosts/adm/authenticate", authenticateHost).Methods(http.MethodPost)
-	r.HandleFunc("/api/v1/host", authorize(true, false, "host", http.HandlerFunc(pull))).Methods(http.MethodGet)
-	r.HandleFunc("/api/v1/host/{hostid}/signalpeer", authorize(true, false, "host", http.HandlerFunc(signalPeer))).Methods(http.MethodPost)
+	r.HandleFunc("/api/v1/host", Authorize(true, false, "host", http.HandlerFunc(pull))).Methods(http.MethodGet)
+	r.HandleFunc("/api/v1/host/{hostid}/signalpeer", Authorize(true, false, "host", http.HandlerFunc(signalPeer))).Methods(http.MethodPost)
 	r.HandleFunc("/api/v1/auth-register/host", socketHandler)
 }
 
@@ -174,13 +171,6 @@ func updateHost(w http.ResponseWriter, r *http.Request) {
 	}
 
 	newHost := newHostData.ConvertAPIHostToNMHost(currHost)
-	// check if relay information is changed
-	updateRelay := false
-	if newHost.IsRelay && len(newHost.RelayedHosts) > 0 {
-		if len(newHost.RelayedHosts) != len(currHost.RelayedHosts) || !reflect.DeepEqual(newHost.RelayedHosts, currHost.RelayedHosts) {
-			updateRelay = true
-		}
-	}
 
 	logic.UpdateHost(newHost, currHost) // update the in memory struct values
 	if err = logic.UpsertHost(newHost); err != nil {
@@ -188,9 +178,6 @@ func updateHost(w http.ResponseWriter, r *http.Request) {
 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
 		return
 	}
-	if updateRelay {
-		logic.UpdateHostRelay(currHost.ID.String(), currHost.RelayedHosts, newHost.RelayedHosts)
-	}
 	// publish host update through MQ
 	if err := mq.HostUpdate(&models.HostUpdate{
 		Action: models.UpdateHost,
@@ -244,33 +231,6 @@ func deleteHost(w http.ResponseWriter, r *http.Request) {
 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
 		return
 	}
-	if currHost.IsRelay {
-		if _, _, err := logic.DeleteHostRelay(hostid); err != nil {
-			logger.Log(0, r.Header.Get("user"), "failed to dissociate host from relays:", err.Error())
-			logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
-			return
-		}
-	}
-	if currHost.IsRelayed {
-		relayHost, err := logic.GetHost(currHost.RelayedBy)
-		if err != nil {
-			logger.Log(0, r.Header.Get("user"), "failed to fetch relay host:", err.Error())
-			logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
-			return
-		}
-		newRelayedHosts := make([]string, 0)
-		for _, relayedHostID := range relayHost.RelayedHosts {
-			if relayedHostID != hostid {
-				newRelayedHosts = append(newRelayedHosts, relayedHostID)
-			}
-		}
-		relayHost.RelayedHosts = newRelayedHosts
-		if err := logic.UpsertHost(relayHost); err != nil {
-			logger.Log(0, r.Header.Get("user"), "failed to update host relays:", err.Error())
-			logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
-			return
-		}
-	}
 	if err = logic.RemoveHost(currHost); err != nil {
 		logger.Log(0, r.Header.Get("user"), "failed to delete a host:", err.Error())
 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))

controllers/node.go

@@ -23,18 +23,16 @@ var hostIDHeader = "host-id"
 
 func nodeHandlers(r *mux.Router) {
 
-	r.HandleFunc("/api/nodes", authorize(false, false, "user", http.HandlerFunc(getAllNodes))).Methods(http.MethodGet)
-	r.HandleFunc("/api/nodes/{network}", authorize(false, true, "network", http.HandlerFunc(getNetworkNodes))).Methods(http.MethodGet)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}", authorize(true, true, "node", http.HandlerFunc(getNode))).Methods(http.MethodGet)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}", authorize(false, true, "node", http.HandlerFunc(updateNode))).Methods(http.MethodPut)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}", authorize(true, true, "node", http.HandlerFunc(deleteNode))).Methods(http.MethodDelete)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}/createrelay", authorize(false, true, "user", http.HandlerFunc(createRelay))).Methods(http.MethodPost)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}/deleterelay", authorize(false, true, "user", http.HandlerFunc(deleteRelay))).Methods(http.MethodDelete)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}/creategateway", authorize(false, true, "user", http.HandlerFunc(createEgressGateway))).Methods(http.MethodPost)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}/deletegateway", authorize(false, true, "user", http.HandlerFunc(deleteEgressGateway))).Methods(http.MethodDelete)
+	r.HandleFunc("/api/nodes", Authorize(false, false, "user", http.HandlerFunc(getAllNodes))).Methods(http.MethodGet)
+	r.HandleFunc("/api/nodes/{network}", Authorize(false, true, "network", http.HandlerFunc(getNetworkNodes))).Methods(http.MethodGet)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}", Authorize(true, true, "node", http.HandlerFunc(getNode))).Methods(http.MethodGet)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}", Authorize(false, true, "node", http.HandlerFunc(updateNode))).Methods(http.MethodPut)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}", Authorize(true, true, "node", http.HandlerFunc(deleteNode))).Methods(http.MethodDelete)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}/creategateway", Authorize(false, true, "user", http.HandlerFunc(createEgressGateway))).Methods(http.MethodPost)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}/deletegateway", Authorize(false, true, "user", http.HandlerFunc(deleteEgressGateway))).Methods(http.MethodDelete)
 	r.HandleFunc("/api/nodes/{network}/{nodeid}/createingress", logic.SecurityCheck(false, http.HandlerFunc(createIngressGateway))).Methods(http.MethodPost)
 	r.HandleFunc("/api/nodes/{network}/{nodeid}/deleteingress", logic.SecurityCheck(false, http.HandlerFunc(deleteIngressGateway))).Methods(http.MethodDelete)
-	r.HandleFunc("/api/nodes/{network}/{nodeid}", authorize(true, true, "node", http.HandlerFunc(updateNode))).Methods(http.MethodPost)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}", Authorize(true, true, "node", http.HandlerFunc(updateNode))).Methods(http.MethodPost)
 	r.HandleFunc("/api/nodes/adm/{network}/authenticate", authenticate).Methods(http.MethodPost)
 	r.HandleFunc("/api/v1/nodes/migrate", migrate).Methods(http.MethodPost)
 }
@@ -154,7 +152,7 @@ func authenticate(response http.ResponseWriter, request *http.Request) {
 // even if it's technically ok
 // This is kind of a poor man's RBAC. There's probably a better/smarter way.
 // TODO: Consider better RBAC implementations
-func authorize(hostAllowed, networkCheck bool, authNetwork string, next http.Handler) http.HandlerFunc {
+func Authorize(hostAllowed, networkCheck bool, authNetwork string, next http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		var errorResponse = models.ErrorResponse{
 			Code: http.StatusForbidden, Message: logic.Forbidden_Msg,
@@ -633,12 +631,12 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 	}
 	newNode := newData.ConvertToServerNode(&currentNode)
 	relayupdate := false
-	if currentNode.IsRelay && len(newNode.RelayAddrs) > 0 {
-		if len(newNode.RelayAddrs) != len(currentNode.RelayAddrs) {
+	if servercfg.Is_EE && newNode.IsRelay && len(newNode.RelayedNodes) > 0 {
+		if len(newNode.RelayedNodes) != len(currentNode.RelayedNodes) {
 			relayupdate = true
 		} else {
-			for i, addr := range newNode.RelayAddrs {
-				if addr != currentNode.RelayAddrs[i] {
+			for i, node := range newNode.RelayedNodes {
+				if node != currentNode.RelayedNodes[i] {
 					relayupdate = true
 				}
 			}
@@ -651,10 +649,6 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
 		return
 	}
-	relayedUpdate := false
-	if currentNode.IsRelayed && (currentNode.Address.String() != newNode.Address.String() || currentNode.Address6.String() != newNode.Address6.String()) {
-		relayedUpdate = true
-	}
 	ifaceDelta := logic.IfaceDelta(&currentNode, newNode)
 	aclUpdate := currentNode.DefaultACL != newNode.DefaultACL
 	if ifaceDelta && servercfg.Is_EE {
@@ -671,16 +665,13 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if relayupdate {
-		updatenodes := logic.UpdateRelay(currentNode.Network, currentNode.RelayAddrs, newNode.RelayAddrs)
+		updatenodes := logic.UpdateRelayed(currentNode.ID.String(), currentNode.RelayedNodes, newNode.RelayedNodes)
 		if len(updatenodes) > 0 {
 			for _, relayedNode := range updatenodes {
 				runUpdates(&relayedNode, false)
 			}
 		}
 	}
-	if relayedUpdate {
-		updateRelay(&currentNode, newNode)
-	}
 	if servercfg.IsDNSMode() {
 		logic.SetDNS()
 	}
@@ -690,8 +681,8 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusOK)
 	json.NewEncoder(w).Encode(apiNode)
 	runUpdates(newNode, ifaceDelta)
-	go func(aclUpdate bool, newNode *models.Node) {
-		if aclUpdate {
+	go func(aclUpdate, relayupdate bool, newNode *models.Node) {
+		if aclUpdate || relayupdate {
 			if err := mq.PublishPeerUpdate(); err != nil {
 				logger.Log(0, "error during node ACL update for node", newNode.ID.String())
 			}
@@ -699,7 +690,7 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 		if err := mq.PublishReplaceDNS(&currentNode, newNode, host); err != nil {
 			logger.Log(1, "failed to publish dns update", err.Error())
 		}
-	}(aclUpdate, newNode)
+	}(aclUpdate, relayupdate, newNode)
 }
 
 // swagger:route DELETE /api/nodes/{network}/{nodeid} nodes deleteNode
@@ -743,6 +734,22 @@ func deleteNode(w http.ResponseWriter, r *http.Request) {
 		logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("failed to delete node"), "internal"))
 		return
 	}
+	if node.IsRelayed {
+		// cleanup node from relayednodes on relay node
+		relayNode, err := logic.GetNodeByID(node.RelayedBy)
+		if err == nil {
+			relayedNodes := []string{}
+			for _, relayedNodeID := range relayNode.RelayedNodes {
+				if relayedNodeID == node.ID.String() {
+					continue
+				}
+				relayedNodes = append(relayedNodes, relayedNodeID)
+			}
+			relayNode.RelayedNodes = relayedNodes
+			logic.UpsertNode(&relayNode)
+		}
+
+	}
 	logic.ReturnSuccessResponse(w, r, nodeid+" deleted.")
 	logger.Log(1, r.Header.Get("user"), "Deleted node", nodeid, "from network", params["network"])
 	if !fromNode { // notify node change
@@ -778,30 +785,6 @@ func runUpdates(node *models.Node, ifaceDelta bool) {
 	}()
 }
 
-func updateRelay(oldnode, newnode *models.Node) {
-	relay := logic.FindRelay(oldnode)
-	newrelay := relay
-	//check if node's address has been updated and if so, update the relayAddrs of the relay node with the updated address of the relayed node
-	if oldnode.Address.String() != newnode.Address.String() {
-		for i, ip := range newrelay.RelayAddrs {
-			if ip == oldnode.Address.IP.String() {
-				newrelay.RelayAddrs = append(newrelay.RelayAddrs[:i], relay.RelayAddrs[i+1:]...)
-				newrelay.RelayAddrs = append(newrelay.RelayAddrs, newnode.Address.IP.String())
-			}
-		}
-	}
-	//check if node's address(v6) has been updated and if so, update the relayAddrs of the relay node with the updated address(v6) of the relayed node
-	if oldnode.Address6.String() != newnode.Address6.String() {
-		for i, ip := range newrelay.RelayAddrs {
-			if ip == oldnode.Address.IP.String() {
-				newrelay.RelayAddrs = append(newrelay.RelayAddrs[:i], newrelay.RelayAddrs[i+1:]...)
-				newrelay.RelayAddrs = append(newrelay.RelayAddrs, newnode.Address6.IP.String())
-			}
-		}
-	}
-	logic.UpdateNode(relay, newrelay)
-}
-
 func doesUserOwnNode(username, network, nodeID string) bool {
 	u, err := logic.GetUser(username)
 	if err != nil {

controllers/relay.go

@@ -1,199 +0,0 @@
-package controller
-
-import (
-	"encoding/json"
-	"fmt"
-	"net/http"
-
-	"github.com/gorilla/mux"
-	"github.com/gravitl/netmaker/logger"
-	"github.com/gravitl/netmaker/logic"
-	"github.com/gravitl/netmaker/models"
-	"github.com/gravitl/netmaker/mq"
-)
-
-// swagger:route POST /api/nodes/{network}/{nodeid}/createrelay nodes createRelay
-//
-// Create a relay.
-//
-//			Schemes: https
-//
-//			Security:
-//	  		oauth
-//
-//			Responses:
-//				200: nodeResponse
-func createRelay(w http.ResponseWriter, r *http.Request) {
-	var relay models.RelayRequest
-	var params = mux.Vars(r)
-	w.Header().Set("Content-Type", "application/json")
-	err := json.NewDecoder(r.Body).Decode(&relay)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
-		return
-	}
-	relay.NetID = params["network"]
-	relay.NodeID = params["nodeid"]
-	updatenodes, node, err := logic.CreateRelay(relay)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"),
-			fmt.Sprintf("failed to create relay on node [%s] on network [%s]: %v", relay.NodeID, relay.NetID, err))
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
-		return
-	}
-
-	logger.Log(1, r.Header.Get("user"), "created relay on node", relay.NodeID, "on network", relay.NetID)
-	for _, relayedNode := range updatenodes {
-
-		err = mq.NodeUpdate(&relayedNode)
-		if err != nil {
-			logger.Log(1, "error sending update to relayed node ", relayedNode.ID.String(), "on network", relay.NetID, ": ", err.Error())
-		}
-	}
-
-	apiNode := node.ConvertToAPINode()
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(apiNode)
-	runUpdates(&node, true)
-}
-
-// swagger:route DELETE /api/nodes/{network}/{nodeid}/deleterelay nodes deleteRelay
-//
-// Remove a relay.
-//
-//			Schemes: https
-//
-//			Security:
-//	  		oauth
-//
-//			Responses:
-//				200: nodeResponse
-func deleteRelay(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	var params = mux.Vars(r)
-	nodeid := params["nodeid"]
-	netid := params["network"]
-	updatenodes, node, err := logic.DeleteRelay(netid, nodeid)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
-		return
-	}
-	logger.Log(1, r.Header.Get("user"), "deleted relay server", nodeid, "on network", netid)
-	for _, relayedNode := range updatenodes {
-		err = mq.NodeUpdate(&relayedNode)
-		if err != nil {
-			logger.Log(1, "error sending update to relayed node ", relayedNode.ID.String(), "on network", netid, ": ", err.Error())
-		}
-	}
-	apiNode := node.ConvertToAPINode()
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(apiNode)
-	runUpdates(&node, true)
-}
-
-// swagger:route POST /api/hosts/{hostid}/relay hosts createHostRelay
-//
-// Create a relay.
-//
-//			Schemes: https
-//
-//			Security:
-//	  		oauth
-//
-//			Responses:
-//				200: nodeResponse
-func createHostRelay(w http.ResponseWriter, r *http.Request) {
-	var relay models.HostRelayRequest
-	var params = mux.Vars(r)
-	w.Header().Set("Content-Type", "application/json")
-	err := json.NewDecoder(r.Body).Decode(&relay)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
-		return
-	}
-	relay.HostID = params["hostid"]
-	relayHost, relayedHosts, err := logic.CreateHostRelay(relay)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"),
-			fmt.Sprintf("failed to create relay on host [%s]: %v", relay.HostID, err))
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
-		return
-	}
-
-	if err := mq.HostUpdate(&models.HostUpdate{
-		Action: models.UpdateHost,
-		Host:   *relayHost,
-	}); err != nil {
-		logger.Log(0, "failed to send host update: ", relayHost.ID.String(), err.Error())
-	}
-	logger.Log(1, r.Header.Get("user"), "created relay on host", relay.HostID)
-	go func(relayHostID string) {
-		for _, relayedHost := range relayedHosts {
-			relayedHost.ProxyEnabled = true
-			logic.UpsertHost(&relayedHost)
-			if err := mq.HostUpdate(&models.HostUpdate{
-				Action: models.UpdateHost,
-				Host:   relayedHost,
-			}); err != nil {
-				logger.Log(0, "failed to send host update: ", relayedHost.ID.String(), err.Error())
-			}
-		}
-		if err := mq.PublishPeerUpdate(); err != nil {
-			logger.Log(0, "fail to publish peer update: ", err.Error())
-		}
-
-	}(relay.HostID)
-
-	apiHostData := relayHost.ConvertNMHostToAPI()
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(apiHostData)
-}
-
-// swagger:route DELETE /api/hosts/{hostid}/relay hosts deleteHostRelay
-//
-// Remove a relay.
-//
-//			Schemes: https
-//
-//			Security:
-//	  		oauth
-//
-//			Responses:
-//				200: nodeResponse
-func deleteHostRelay(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	var params = mux.Vars(r)
-	hostid := params["hostid"]
-	relayHost, relayed, err := logic.DeleteHostRelay(hostid)
-	if err != nil {
-		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
-		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
-		return
-	}
-	logger.Log(1, r.Header.Get("user"), "deleted relay host", hostid)
-	go func() {
-		if err := mq.PublishPeerUpdate(); err != nil {
-			logger.Log(0, "fail to publish peer update: ", err.Error())
-		}
-		if err := mq.HostUpdate(&models.HostUpdate{
-			Action: models.UpdateHost,
-			Host:   *relayHost,
-		}); err != nil {
-			logger.Log(0, "failed to send host update: ", relayHost.Name, err.Error())
-		}
-		for _, relayedHost := range relayed {
-			if err := mq.HostUpdate(&models.HostUpdate{
-				Action: models.UpdateHost,
-				Host:   relayedHost,
-			}); err != nil {
-				logger.Log(0, "failed to send host update: ", relayedHost.Name, err.Error())
-			}
-		}
-	}()
-	apiHostData := relayHost.ConvertNMHostToAPI()
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(apiHostData)
-}

controllers/server.go

@@ -20,7 +20,7 @@ func serverHandlers(r *mux.Router) {
 		resp.Write([]byte("Server is up and running!!"))
 	}))
 	r.HandleFunc("/api/server/getconfig", allowUsers(http.HandlerFunc(getConfig))).Methods(http.MethodGet)
-	r.HandleFunc("/api/server/getserverinfo", authorize(true, false, "node", http.HandlerFunc(getServerInfo))).Methods(http.MethodGet)
+	r.HandleFunc("/api/server/getserverinfo", Authorize(true, false, "node", http.HandlerFunc(getServerInfo))).Methods(http.MethodGet)
 	r.HandleFunc("/api/server/status", http.HandlerFunc(getStatus)).Methods(http.MethodGet)
 }
 

ee/ee_controllers/relay.go

@@ -0,0 +1,97 @@
+package ee_controllers
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	controller "github.com/gravitl/netmaker/controllers"
+	"github.com/gravitl/netmaker/logger"
+	"github.com/gravitl/netmaker/logic"
+	"github.com/gravitl/netmaker/models"
+	"github.com/gravitl/netmaker/mq"
+)
+
+// RelayHandlers - handle EE Relays
+func RelayHandlers(r *mux.Router) {
+
+	r.HandleFunc("/api/nodes/{network}/{nodeid}/createrelay", controller.Authorize(false, true, "user", http.HandlerFunc(createRelay))).Methods(http.MethodPost)
+	r.HandleFunc("/api/nodes/{network}/{nodeid}/deleterelay", controller.Authorize(false, true, "user", http.HandlerFunc(deleteRelay))).Methods(http.MethodDelete)
+}
+
+// swagger:route POST /api/nodes/{network}/{nodeid}/createrelay nodes createRelay
+//
+// Create a relay.
+//
+//			Schemes: https
+//
+//			Security:
+//	  		oauth
+//
+//			Responses:
+//				200: nodeResponse
+func createRelay(w http.ResponseWriter, r *http.Request) {
+	var relayRequest models.RelayRequest
+	var params = mux.Vars(r)
+	w.Header().Set("Content-Type", "application/json")
+	err := json.NewDecoder(r.Body).Decode(&relayRequest)
+	if err != nil {
+		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
+		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
+		return
+	}
+	relayRequest.NetID = params["network"]
+	relayRequest.NodeID = params["nodeid"]
+	_, relayNode, err := logic.CreateRelay(relayRequest)
+	if err != nil {
+		logger.Log(0, r.Header.Get("user"),
+			fmt.Sprintf("failed to create relay on node [%s] on network [%s]: %v", relayRequest.NodeID, relayRequest.NetID, err))
+		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
+		return
+	}
+	go mq.PublishPeerUpdate()
+	logger.Log(1, r.Header.Get("user"), "created relay on node", relayRequest.NodeID, "on network", relayRequest.NetID)
+	apiNode := relayNode.ConvertToAPINode()
+	w.WriteHeader(http.StatusOK)
+	json.NewEncoder(w).Encode(apiNode)
+}
+
+// swagger:route DELETE /api/nodes/{network}/{nodeid}/deleterelay nodes deleteRelay
+//
+// Remove a relay.
+//
+//			Schemes: https
+//
+//			Security:
+//	  		oauth
+//
+//			Responses:
+//				200: nodeResponse
+func deleteRelay(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	var params = mux.Vars(r)
+	nodeid := params["nodeid"]
+	netid := params["network"]
+	updateNodes, node, err := logic.DeleteRelay(netid, nodeid)
+	if err != nil {
+		logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
+		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
+		return
+	}
+	logger.Log(1, r.Header.Get("user"), "deleted relay server", nodeid, "on network", netid)
+	go func() {
+		for _, relayedNode := range updateNodes {
+			err = mq.NodeUpdate(&relayedNode)
+			if err != nil {
+				logger.Log(1, "relayed node update ", relayedNode.ID.String(), "on network", relayedNode.Network, ": ", err.Error())
+
+			}
+		}
+		mq.PublishPeerUpdate()
+	}()
+	logger.Log(1, r.Header.Get("user"), "deleted relay on node", node.ID.String(), "on network", node.Network)
+	apiNode := node.ConvertToAPINode()
+	w.WriteHeader(http.StatusOK)
+	json.NewEncoder(w).Encode(apiNode)
+}

ee/initialize.go

@@ -22,6 +22,7 @@ func InitEE() {
 		ee_controllers.MetricHandlers,
 		ee_controllers.NetworkUsersHandlers,
 		ee_controllers.UserGroupsHandlers,
+		ee_controllers.RelayHandlers,
 	)
 	logic.EnterpriseCheckFuncs = append(logic.EnterpriseCheckFuncs, func() {
 		// == License Handling ==

logic/gateway.go

@@ -102,6 +102,9 @@ func CreateIngressGateway(netid string, nodeid string, ingress models.IngressReq
 	if err != nil {
 		return models.Node{}, err
 	}
+	if node.IsRelayed {
+		return models.Node{}, errors.New("ingress cannot be created on a relayed node")
+	}
 	host, err := GetHost(node.HostID.String())
 	if err != nil {
 		return models.Node{}, err

logic/nodes.go

@@ -75,6 +75,16 @@ func UpdateNodeCheckin(node *models.Node) error {
 	return database.Insert(node.ID.String(), string(data), database.NODES_TABLE_NAME)
 }
 
+// UpsertNode - updates node in the DB
+func UpsertNode(newNode *models.Node) error {
+	newNode.SetLastModified()
+	data, err := json.Marshal(newNode)
+	if err != nil {
+		return err
+	}
+	return database.Insert(newNode.ID.String(), string(data), database.NODES_TABLE_NAME)
+}
+
 // UpdateNode - takes a node and updates another node with it's values
 func UpdateNode(currentNode *models.Node, newNode *models.Node) error {
 	if newNode.Address.IP.String() != currentNode.Address.IP.String() {
@@ -85,7 +95,7 @@ func UpdateNode(currentNode *models.Node, newNode *models.Node) error {
 		}
 	}
 	nodeACLDelta := currentNode.DefaultACL != newNode.DefaultACL
-	newNode.Fill(currentNode)
+	newNode.Fill(currentNode, servercfg.Is_EE)
 
 	// check for un-settable server values
 	if err := ValidateNode(newNode, true); err != nil {
@@ -338,34 +348,6 @@ func GetDeletedNodeByMacAddress(network string, macaddress string) (models.Node,
 	return node, nil
 }
 
-// GetNodeRelay - gets the relay node of a given network
-func GetNodeRelay(network string, relayedNodeAddr string) (models.Node, error) {
-	collection, err := database.FetchRecords(database.NODES_TABLE_NAME)
-	var relay models.Node
-	if err != nil {
-		if database.IsEmptyRecord(err) {
-			return relay, nil
-		}
-		logger.Log(2, err.Error())
-		return relay, err
-	}
-	for _, value := range collection {
-		err := json.Unmarshal([]byte(value), &relay)
-		if err != nil {
-			logger.Log(2, err.Error())
-			continue
-		}
-		if relay.IsRelay {
-			for _, addr := range relay.RelayAddrs {
-				if addr == relayedNodeAddr {
-					return relay, nil
-				}
-			}
-		}
-	}
-	return relay, errors.New(RELAY_NODE_ERR + " " + relayedNodeAddr)
-}
-
 func GetNodeByID(uuid string) (models.Node, error) {
 	var record, err = database.FetchRecord(database.NODES_TABLE_NAME, uuid)
 	if err != nil {
@@ -399,24 +381,12 @@ func GetDeletedNodeByID(uuid string) (models.Node, error) {
 
 // FindRelay - returns the node that is the relay for a relayed node
 func FindRelay(node *models.Node) *models.Node {
-	if !node.IsRelayed {
-		return nil
-	}
-	peers, err := GetNetworkNodes(node.Network)
+	relay, err := GetNodeByID(node.RelayedBy)
 	if err != nil {
+		logger.Log(0, "FindRelay: "+err.Error())
 		return nil
 	}
-	for _, peer := range peers {
-		if !peer.IsRelay {
-			continue
-		}
-		for _, ip := range peer.RelayAddrs {
-			if ip == node.Address.IP.String() || ip == node.Address6.IP.String() {
-				return &peer
-			}
-		}
-	}
-	return nil
+	return &relay
 }
 
 // GetNetworkIngresses - gets the gateways of a network

logic/peers.go

@@ -29,41 +29,6 @@ func GetProxyUpdateForHost(ctx context.Context, host *models.Host) (models.Proxy
 		Action: models.ProxyUpdate,
 	}
 	peerConfMap := make(map[string]models.PeerConf)
-	if host.IsRelayed {
-		relayHost, err := GetHost(host.RelayedBy)
-		if err == nil {
-			relayEndpoint, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", relayHost.EndpointIP, GetPeerListenPort(relayHost)))
-			if err != nil {
-				logger.Log(1, "failed to resolve relay node endpoint: ", err.Error())
-			}
-			proxyPayload.IsRelayed = true
-			proxyPayload.RelayedTo = relayEndpoint
-		} else {
-			logger.Log(0, "couldn't find relay host for:  ", host.ID.String())
-		}
-	}
-	if host.IsRelay {
-		relayedHosts := GetRelayedHosts(host)
-		relayPeersMap := make(map[string]models.RelayedConf)
-		for _, relayedHost := range relayedHosts {
-			relayedHost := relayedHost
-			payload, err := GetPeerUpdateForHost(ctx, "", &relayedHost, nil, nil)
-			if err == nil {
-				relayedEndpoint, udpErr := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", relayedHost.EndpointIP, GetPeerListenPort(&relayedHost)))
-				if udpErr == nil {
-					relayPeersMap[relayedHost.PublicKey.String()] = models.RelayedConf{
-						RelayedPeerEndpoint: relayedEndpoint,
-						RelayedPeerPubKey:   relayedHost.PublicKey.String(),
-						Peers:               payload.Peers,
-					}
-				}
-
-			}
-		}
-		proxyPayload.IsRelay = true
-		proxyPayload.RelayedPeerConf = relayPeersMap
-
-	}
 	var ingressStatus bool
 	for _, nodeID := range host.Nodes {
 
@@ -101,18 +66,6 @@ func GetProxyUpdateForHost(ctx context.Context, host *models.Host) (models.Proxy
 				}
 			}
 
-			if peerHost.IsRelayed && peerHost.RelayedBy != host.ID.String() {
-				relayHost, err := GetHost(peerHost.RelayedBy)
-				if err == nil {
-					relayTo, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", relayHost.EndpointIP, GetPeerListenPort(relayHost)))
-					if err == nil {
-						currPeerConf.IsRelayed = true
-						currPeerConf.RelayedTo = relayTo
-					}
-
-				}
-			}
-
 			peerConfMap[peerHost.PublicKey.String()] = currPeerConf
 		}
 		if node.IsIngressGateway {
@@ -198,58 +151,17 @@ func GetPeerUpdateForHost(ctx context.Context, network string, host *models.Host
 					//skip yourself
 					continue
 				}
-				var peerConfig wgtypes.PeerConfig
+
 				peerHost, err := GetHost(peer.HostID.String())
 				if err != nil {
 					logger.Log(1, "no peer host", peer.HostID.String(), err.Error())
 					return models.HostPeerUpdate{}, err
 				}
-
-				peerConfig.PublicKey = peerHost.PublicKey
-				peerConfig.PersistentKeepaliveInterval = &peer.PersistentKeepalive
-				peerConfig.ReplaceAllowedIPs = true
-				uselocal := false
-				if host.EndpointIP.String() == peerHost.EndpointIP.String() {
-					// peer is on same network
-					// set to localaddress
-					uselocal = true
-					if node.LocalAddress.IP == nil {
-						// use public endpint
-						uselocal = false
-					}
-					if node.LocalAddress.String() == peer.LocalAddress.String() {
-						uselocal = false
-					}
-				}
-				peerConfig.Endpoint = &net.UDPAddr{
-					IP:   peerHost.EndpointIP,
-					Port: getPeerWgListenPort(peerHost),
+				peerConfig := wgtypes.PeerConfig{
+					PublicKey:                   peerHost.PublicKey,
+					PersistentKeepaliveInterval: &peer.PersistentKeepalive,
+					ReplaceAllowedIPs:           true,
 				}
-
-				if uselocal {
-					peerConfig.Endpoint.IP = peer.LocalAddress.IP
-					peerConfig.Endpoint.Port = peerHost.ListenPort
-				}
-				allowedips := GetAllowedIPs(&node, &peer, nil)
-				if peer.IsIngressGateway {
-					for _, entry := range peer.IngressGatewayRange {
-						_, cidr, err := net.ParseCIDR(string(entry))
-						if err == nil {
-							allowedips = append(allowedips, *cidr)
-						}
-					}
-				}
-				if peer.IsEgressGateway {
-					allowedips = append(allowedips, getEgressIPs(&node, &peer)...)
-				}
-				if peer.Action != models.NODE_DELETE &&
-					!peer.PendingDelete &&
-					peer.Connected &&
-					nodeacls.AreNodesAllowed(nodeacls.NetworkID(node.Network), nodeacls.NodeID(node.ID.String()), nodeacls.NodeID(peer.ID.String())) &&
-					(deletedNode == nil || (deletedNode != nil && peer.ID.String() != deletedNode.ID.String())) {
-					peerConfig.AllowedIPs = allowedips // only append allowed IPs if valid connection
-				}
-
 				if node.IsIngressGateway || node.IsEgressGateway {
 					if peer.IsIngressGateway {
 						_, extPeerIDAndAddrs, err := getExtPeers(&peer)
@@ -282,6 +194,47 @@ func GetPeerUpdateForHost(ctx context.Context, network string, host *models.Host
 						ID:      peer.ID.String(),
 					}
 				}
+				if (node.IsRelayed && node.RelayedBy != peer.ID.String()) || (peer.IsRelayed && peer.RelayedBy != node.ID.String()) {
+					// if node is relayed and peer is not the relay, set remove to true
+					if _, ok := hostPeerUpdate.HostPeerIDs[peerHost.PublicKey.String()]; ok {
+						continue
+					}
+					peerConfig.Remove = true
+					hostPeerUpdate.Peers = append(hostPeerUpdate.Peers, peerConfig)
+					peerIndexMap[peerHost.PublicKey.String()] = len(hostPeerUpdate.Peers) - 1
+					continue
+				}
+
+				uselocal := false
+				if host.EndpointIP.String() == peerHost.EndpointIP.String() {
+					// peer is on same network
+					// set to localaddress
+					uselocal = true
+					if node.LocalAddress.IP == nil {
+						// use public endpint
+						uselocal = false
+					}
+					if node.LocalAddress.String() == peer.LocalAddress.String() {
+						uselocal = false
+					}
+				}
+				peerConfig.Endpoint = &net.UDPAddr{
+					IP:   peerHost.EndpointIP,
+					Port: getPeerWgListenPort(peerHost),
+				}
+
+				if uselocal {
+					peerConfig.Endpoint.IP = peer.LocalAddress.IP
+					peerConfig.Endpoint.Port = peerHost.ListenPort
+				}
+				allowedips := GetAllowedIPs(&node, &peer, nil)
+				if peer.Action != models.NODE_DELETE &&
+					!peer.PendingDelete &&
+					peer.Connected &&
+					nodeacls.AreNodesAllowed(nodeacls.NetworkID(node.Network), nodeacls.NodeID(node.ID.String()), nodeacls.NodeID(peer.ID.String())) &&
+					(deletedNode == nil || (deletedNode != nil && peer.ID.String() != deletedNode.ID.String())) {
+					peerConfig.AllowedIPs = allowedips // only append allowed IPs if valid connection
+				}
 
 				peerProxyPort := GetProxyListenPort(peerHost)
 				var nodePeer wgtypes.PeerConfig
@@ -303,8 +256,9 @@ func GetPeerUpdateForHost(ctx context.Context, network string, host *models.Host
 					nodePeer = peerConfig
 				} else {
 					peerAllowedIPs := hostPeerUpdate.Peers[peerIndexMap[peerHost.PublicKey.String()]].AllowedIPs
-					peerAllowedIPs = append(peerAllowedIPs, allowedips...)
+					peerAllowedIPs = append(peerAllowedIPs, peerConfig.AllowedIPs...)
 					hostPeerUpdate.Peers[peerIndexMap[peerHost.PublicKey.String()]].AllowedIPs = peerAllowedIPs
+					hostPeerUpdate.Peers[peerIndexMap[peerHost.PublicKey.String()]].Remove = false
 					hostPeerUpdate.HostPeerIDs[peerHost.PublicKey.String()][peer.ID.String()] = models.IDandAddr{
 						ID:              peer.ID.String(),
 						Address:         peer.PrimaryAddress(),
@@ -627,14 +581,15 @@ func GetAllowedIPs(node, peer *models.Node, metrics *models.Metrics) []net.IPNet
 			}
 		}
 	}
+	if node.IsRelayed && node.RelayedBy == peer.ID.String() {
+		allowedips = append(allowedips, getAllowedIpsForRelayed(node, peer)...)
+
+	}
 	return allowedips
 }
 
-func getEgressIPs(node, peer *models.Node) []net.IPNet {
-	host, err := GetHost(node.HostID.String())
-	if err != nil {
-		logger.Log(0, "error retrieving host for node", node.ID.String(), err.Error())
-	}
+func getEgressIPs(peer *models.Node) []net.IPNet {
+
 	peerHost, err := GetHost(peer.HostID.String())
 	if err != nil {
 		logger.Log(0, "error retrieving host for peer", peer.ID.String(), err.Error())
@@ -654,12 +609,12 @@ func getEgressIPs(node, peer *models.Node) []net.IPNet {
 		}
 		// getting the public ip of node
 		if ipnet.Contains(peerHost.EndpointIP) && !internetGateway { // ensuring egress gateway range does not contain endpoint of node
-			logger.Log(2, "egress IP range of ", iprange, " overlaps with ", host.EndpointIP.String(), ", omitting")
+			logger.Log(2, "egress IP range of ", iprange, " overlaps with ", peerHost.EndpointIP.String(), ", omitting")
 			continue // skip adding egress range if overlaps with node's ip
 		}
 		// TODO: Could put in a lot of great logic to avoid conflicts / bad routes
-		if ipnet.Contains(node.LocalAddress.IP) && !internetGateway { // ensuring egress gateway range does not contain public ip of node
-			logger.Log(2, "egress IP range of ", iprange, " overlaps with ", node.LocalAddress.String(), ", omitting")
+		if ipnet.Contains(peer.LocalAddress.IP) && !internetGateway { // ensuring egress gateway range does not contain public ip of node
+			logger.Log(2, "egress IP range of ", iprange, " overlaps with ", peer.LocalAddress.String(), ", omitting")
 			continue // skip adding egress range if overlaps with node's local ip
 		}
 		if err != nil {
@@ -690,12 +645,50 @@ func getNodeAllowedIPs(peer, node *models.Node) []net.IPNet {
 	// handle egress gateway peers
 	if peer.IsEgressGateway {
 		//hasGateway = true
-		egressIPs := getEgressIPs(node, peer)
+		egressIPs := getEgressIPs(peer)
 		allowedips = append(allowedips, egressIPs...)
 	}
+	if peer.IsRelay {
+		for _, relayedNodeID := range peer.RelayedNodes {
+			if node.ID.String() == relayedNodeID {
+				continue
+			}
+			relayedNode, err := GetNodeByID(relayedNodeID)
+			if err != nil {
+				continue
+			}
+			allowed := getRelayedAddresses(relayedNodeID)
+			if relayedNode.IsEgressGateway {
+				allowed = append(allowed, getEgressIPs(&relayedNode)...)
+			}
+			allowedips = append(allowedips, allowed...)
+		}
+	}
 	return allowedips
 }
 
+// getAllowedIpsForRelayed - returns the peerConfig for a node relayed by relay
+func getAllowedIpsForRelayed(relayed, relay *models.Node) (allowedIPs []net.IPNet) {
+	if relayed.RelayedBy != relay.ID.String() {
+		logger.Log(0, "RelayedByRelay called with invalid parameters")
+		return
+	}
+	peers, err := GetNetworkNodes(relay.Network)
+	if err != nil {
+		logger.Log(0, "error getting network clients", err.Error())
+		return
+	}
+	for _, peer := range peers {
+		if peer.ID == relayed.ID || peer.ID == relay.ID {
+			continue
+		}
+		if nodeacls.AreNodesAllowed(nodeacls.NetworkID(relayed.Network), nodeacls.NodeID(relayed.ID.String()), nodeacls.NodeID(peer.ID.String())) {
+			allowedIPs = append(allowedIPs, GetAllowedIPs(relayed, &peer, nil)...)
+		}
+	}
+	return
+}
+
 func getCIDRMaskFromAddr(addr string) net.IPMask {
 	cidr := net.CIDRMask(32, 32)
 	ipAddr, err := netip.ParseAddr(addr)

logic/relay.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"time"
+	"net"
 
 	"github.com/gravitl/netmaker/database"
 	"github.com/gravitl/netmaker/logger"
@@ -31,8 +31,7 @@ func CreateRelay(relay models.RelayRequest) ([]models.Node, models.Node, error)
 		return returnnodes, models.Node{}, err
 	}
 	node.IsRelay = true
-	node.RelayAddrs = relay.RelayAddrs
-
+	node.RelayedNodes = relay.RelayedNodes
 	node.SetLastModified()
 	nodeData, err := json.Marshal(&node)
 	if err != nil {
@@ -41,144 +40,98 @@ func CreateRelay(relay models.RelayRequest) ([]models.Node, models.Node, error)
 	if err = database.Insert(node.ID.String(), string(nodeData), database.NODES_TABLE_NAME); err != nil {
 		return returnnodes, models.Node{}, err
 	}
-	returnnodes, err = SetRelayedNodes(true, node.Network, node.RelayAddrs)
-	if err != nil {
-		return returnnodes, node, err
-	}
-	return returnnodes, node, nil
-}
-
-// CreateHostRelay - creates a host relay
-func CreateHostRelay(relay models.HostRelayRequest) (relayHost *models.Host, relayedHosts []models.Host, err error) {
-
-	relayHost, err = GetHost(relay.HostID)
-	if err != nil {
-		return
-	}
-	err = validateHostRelay(relay)
-	if err != nil {
-		return
-	}
-	relayHost.IsRelay = true
-	relayHost.ProxyEnabled = true
-	relayHost.RelayedHosts = relay.RelayedHosts
-	err = UpsertHost(relayHost)
-	if err != nil {
-		return
-	}
-	relayedHosts = SetRelayedHosts(true, relay.HostID, relay.RelayedHosts)
-	return
-}
-
-// SetRelayedHosts - updates the relayed hosts status
-func SetRelayedHosts(setRelayed bool, relayHostID string, relayedHostIDs []string) []models.Host {
-	var relayedHosts []models.Host
-	for _, relayedHostID := range relayedHostIDs {
-		host, err := GetHost(relayedHostID)
-		if err == nil {
-			if setRelayed {
-				host.IsRelayed = true
-				host.RelayedBy = relayHostID
-				host.ProxyEnabled = true
-			} else {
-				host.IsRelayed = false
-				host.RelayedBy = ""
-			}
-			err = UpsertHost(host)
-			if err == nil {
-				relayedHosts = append(relayedHosts, *host)
-			}
+	returnnodes = SetRelayedNodes(true, relay.NodeID, relay.RelayedNodes)
+	for _, relayedNode := range returnnodes {
+		data, err := json.Marshal(&relayedNode)
+		if err != nil {
+			logger.Log(0, "marshalling relayed node", err.Error())
+			continue
+		}
+		if err := database.Insert(relayedNode.ID.String(), string(data), database.NODES_TABLE_NAME); err != nil {
+			logger.Log(0, "inserting relayed node", err.Error())
+			continue
 		}
 	}
-	return relayedHosts
+	return returnnodes, node, nil
 }
 
-// SetRelayedNodes- set relayed nodes
-func SetRelayedNodes(setRelayed bool, networkName string, addrs []string) ([]models.Node, error) {
+// SetRelayedNodes- sets and saves node as relayed
+func SetRelayedNodes(setRelayed bool, relay string, relayed []string) []models.Node {
 	var returnnodes []models.Node
-	networkNodes, err := GetNetworkNodes(networkName)
-	if err != nil {
-		return returnnodes, err
-	}
-	for _, node := range networkNodes {
-		for _, addr := range addrs {
-			if addr == node.Address.IP.String() || addr == node.Address6.IP.String() {
-				if setRelayed {
-					node.IsRelayed = true
-				} else {
-					node.IsRelayed = false
-				}
-				data, err := json.Marshal(&node)
-				if err != nil {
-					return returnnodes, err
-				}
-				database.Insert(node.ID.String(), string(data), database.NODES_TABLE_NAME)
-				returnnodes = append(returnnodes, node)
-			}
+	for _, id := range relayed {
+		node, err := GetNodeByID(id)
+		if err != nil {
+			logger.Log(0, "setRelayedNodes.GetNodebyID", err.Error())
+			continue
 		}
-	}
-	return returnnodes, nil
-}
-func GetRelayedNodes(relayNode *models.Node) ([]models.Node, error) {
-	var returnnodes []models.Node
-	networkNodes, err := GetNetworkNodes(relayNode.Network)
-	if err != nil {
-		return returnnodes, err
-	}
-	for _, node := range networkNodes {
-		for _, addr := range relayNode.RelayAddrs {
-			if addr == node.Address.IP.String() || addr == node.Address6.IP.String() {
-				returnnodes = append(returnnodes, node)
-			}
+		node.IsRelayed = setRelayed
+		if node.IsRelayed {
+			node.RelayedBy = relay
+		} else {
+			node.RelayedBy = ""
 		}
-	}
-	return returnnodes, nil
-}
-
-// GetRelayedHosts - gets the relayed hosts of a relay host
-func GetRelayedHosts(relayHost *models.Host) []models.Host {
-	relayedHosts := []models.Host{}
-
-	for _, hostID := range relayHost.RelayedHosts {
-		relayedHost, err := GetHost(hostID)
-		if err == nil {
-			relayedHosts = append(relayedHosts, *relayedHost)
+		node.SetLastModified()
+		data, err := json.Marshal(&node)
+		if err != nil {
+			logger.Log(0, "setRelayedNodes.Marshal", err.Error())
+			continue
 		}
+		if err := database.Insert(node.ID.String(), string(data), database.NODES_TABLE_NAME); err != nil {
+			logger.Log(0, "setRelayedNodes.Insert", err.Error())
+			continue
+		}
+		returnnodes = append(returnnodes, node)
 	}
-	return relayedHosts
+	return returnnodes
 }
 
+//func GetRelayedNodes(relayNode *models.Node) (models.Node, error) {
+//	var returnnodes []models.Node
+//	networkNodes, err := GetNetworkNodes(relayNode.Network)
+//	if err != nil {
+//		return returnnodes, err
+//	}
+//	for _, node := range networkNodes {
+//		for _, addr := range relayNode.RelayAddrs {
+//			if addr == node.Address.IP.String() || addr == node.Address6.IP.String() {
+//				returnnodes = append(returnnodes, node)
+//			}
+//		}
+//	}
+//	return returnnodes, nil
+//}
+
 // ValidateRelay - checks if relay is valid
 func ValidateRelay(relay models.RelayRequest) error {
 	var err error
 	//isIp := functions.IsIpCIDR(gateway.RangeString)
-	empty := len(relay.RelayAddrs) == 0
+	empty := len(relay.RelayedNodes) == 0
 	if empty {
-		err = errors.New("IP Ranges Cannot Be Empty")
-	}
-	return err
-}
-
-func validateHostRelay(relay models.HostRelayRequest) error {
-	if len(relay.RelayedHosts) == 0 {
-		return errors.New("relayed hosts are empty")
+		return errors.New("IP Ranges Cannot Be Empty")
 	}
-	return nil
-}
-
-// UpdateRelay - updates a relay
-func UpdateRelay(network string, oldAddrs []string, newAddrs []string) []models.Node {
-	var returnnodes []models.Node
-	time.Sleep(time.Second / 4)
-	_, err := SetRelayedNodes(false, network, oldAddrs)
+	node, err := GetNodeByID(relay.NodeID)
 	if err != nil {
-		logger.Log(1, err.Error())
+		return err
 	}
-	returnnodes, err = SetRelayedNodes(true, network, newAddrs)
-	if err != nil {
-		logger.Log(1, err.Error())
+	if node.IsRelay {
+		return errors.New("node is already acting as a relay")
 	}
-	return returnnodes
+	for _, relayedNodeID := range relay.RelayedNodes {
+		relayedNode, err := GetNodeByID(relayedNodeID)
+		if err != nil {
+			return err
+		}
+		if relayedNode.IsIngressGateway {
+			return errors.New("cannot relay an ingress gateway (" + relayedNodeID + ")")
+		}
+	}
+	return err
+}
+
+// UpdateRelayed - updates relay nodes
+func UpdateRelayed(relay string, oldNodes []string, newNodes []string) []models.Node {
+	_ = SetRelayedNodes(false, relay, oldNodes)
+	return SetRelayedNodes(true, relay, newNodes)
 }
 
 // DeleteRelay - deletes a relay
@@ -188,15 +141,10 @@ func DeleteRelay(network, nodeid string) ([]models.Node, models.Node, error) {
 	if err != nil {
 		return returnnodes, models.Node{}, err
 	}
-	returnnodes, err = SetRelayedNodes(false, node.Network, node.RelayAddrs)
-	if err != nil {
-		return returnnodes, node, err
-	}
-
+	returnnodes = SetRelayedNodes(false, nodeid, node.RelayedNodes)
 	node.IsRelay = false
-	node.RelayAddrs = []string{}
+	node.RelayedNodes = []string{}
 	node.SetLastModified()
-
 	data, err := json.Marshal(&node)
 	if err != nil {
 		return returnnodes, models.Node{}, err
@@ -207,24 +155,20 @@ func DeleteRelay(network, nodeid string) ([]models.Node, models.Node, error) {
 	return returnnodes, node, nil
 }
 
-// DeleteHostRelay - removes host as relay
-func DeleteHostRelay(relayHostID string) (relayHost *models.Host, relayedHosts []models.Host, err error) {
-	relayHost, err = GetHost(relayHostID)
+func getRelayedAddresses(id string) []net.IPNet {
+	addrs := []net.IPNet{}
+	node, err := GetNodeByID(id)
 	if err != nil {
-		return
+		logger.Log(0, "getRelayedAddresses: "+err.Error())
+		return addrs
 	}
-	relayedHosts = SetRelayedHosts(false, relayHostID, relayHost.RelayedHosts)
-	relayHost.IsRelay = false
-	relayHost.RelayedHosts = []string{}
-	err = UpsertHost(relayHost)
-	if err != nil {
-		return
+	if node.Address.IP != nil {
+		node.Address.Mask = net.CIDRMask(32, 32)
+		addrs = append(addrs, node.Address)
 	}
-	return
-}
-
-// UpdateHostRelay - updates the relay host with new relayed hosts
-func UpdateHostRelay(relayHostID string, oldRelayedHosts, newRelayedHosts []string) {
-	_ = SetRelayedHosts(false, relayHostID, oldRelayedHosts)
-	_ = SetRelayedHosts(true, relayHostID, newRelayedHosts)
+	if node.Address6.IP != nil {
+		node.Address.Mask = net.CIDRMask(128, 128)
+		addrs = append(addrs, node.Address6)
+	}
+	return addrs
 }

logic/wireguard.go

@@ -29,11 +29,11 @@ func IfaceDelta(currentNode *models.Node, newNode *models.Node) bool {
 		}
 	}
 	if newNode.IsRelay {
-		if len(currentNode.RelayAddrs) != len(newNode.RelayAddrs) {
+		if len(currentNode.RelayedNodes) != len(newNode.RelayedNodes) {
 			return true
 		}
-		for _, address := range newNode.RelayAddrs {
-			if !StringSliceContains(currentNode.RelayAddrs, address) {
+		for _, node := range newNode.RelayedNodes {
+			if !StringSliceContains(currentNode.RelayedNodes, node) {
 				return true
 			}
 		}

models/api_host.go

@@ -67,10 +67,6 @@ func (h *Host) ConvertNMHostToAPI() *ApiHost {
 	a.Verbosity = h.Verbosity
 	a.Version = h.Version
 	a.IsDefault = h.IsDefault
-	a.IsRelay = h.IsRelay
-	a.RelayedHosts = h.RelayedHosts
-	a.IsRelayed = h.IsRelayed
-	a.RelayedBy = h.RelayedBy
 	return &a
 }
 
@@ -108,10 +104,6 @@ func (a *ApiHost) ConvertAPIHostToNMHost(currentHost *Host) *Host {
 	h.Nodes = currentHost.Nodes
 	h.TrafficKeyPublic = currentHost.TrafficKeyPublic
 	h.OS = currentHost.OS
-	h.RelayedBy = a.RelayedBy
-	h.RelayedHosts = a.RelayedHosts
-	h.IsRelay = a.IsRelay
-	h.IsRelayed = a.IsRelayed
 	h.ProxyEnabled = a.ProxyEnabled
 	h.IsDefault = a.IsDefault
 	h.NatType = currentHost.NatType

models/api_node.go

@@ -25,11 +25,12 @@ type ApiNode struct {
 	NetworkRange6           string   `json:"networkrange6"`
 	IsRelayed               bool     `json:"isrelayed"`
 	IsRelay                 bool     `json:"isrelay"`
+	RelayedBy               string   `json:"relayedby" bson:"relayedby" yaml:"relayedby"`
+	RelayedNodes            []string `json:"relaynodes" yaml:"relayedNodes"`
 	IsEgressGateway         bool     `json:"isegressgateway"`
 	IsIngressGateway        bool     `json:"isingressgateway"`
 	EgressGatewayRanges     []string `json:"egressgatewayranges"`
 	EgressGatewayNatEnabled bool     `json:"egressgatewaynatenabled"`
-	RelayAddrs              []string `json:"relayaddrs"`
 	FailoverNode            string   `json:"failovernode"`
 	DNSOn                   bool     `json:"dnson"`
 	IngressDns              string   `json:"ingressdns"`
@@ -53,6 +54,8 @@ func (a *ApiNode) ConvertToServerNode(currentNode *Node) *Node {
 	convertedNode.HostID, _ = uuid.Parse(a.HostID)
 	convertedNode.IsRelay = a.IsRelay
 	convertedNode.IsRelayed = a.IsRelayed
+	convertedNode.RelayedBy = a.RelayedBy
+	convertedNode.RelayedNodes = a.RelayedNodes
 	convertedNode.PendingDelete = a.PendingDelete
 	convertedNode.Failover = a.Failover
 	convertedNode.IsEgressGateway = a.IsEgressGateway
@@ -66,7 +69,7 @@ func (a *ApiNode) ConvertToServerNode(currentNode *Node) *Node {
 	convertedNode.EgressGatewayRequest = currentNode.EgressGatewayRequest
 	convertedNode.EgressGatewayNatEnabled = currentNode.EgressGatewayNatEnabled
 	convertedNode.PersistentKeepalive = time.Second * time.Duration(a.PersistentKeepalive)
-	convertedNode.RelayAddrs = a.RelayAddrs
+	convertedNode.RelayedNodes = a.RelayedNodes
 	convertedNode.DefaultACL = a.DefaultACL
 	convertedNode.OwnerID = currentNode.OwnerID
 	_, networkRange, err := net.ParseCIDR(a.NetworkRange)
@@ -140,11 +143,12 @@ func (nm *Node) ConvertToAPINode() *ApiNode {
 	}
 	apiNode.IsRelayed = nm.IsRelayed
 	apiNode.IsRelay = nm.IsRelay
+	apiNode.RelayedBy = nm.RelayedBy
+	apiNode.RelayedNodes = nm.RelayedNodes
 	apiNode.IsEgressGateway = nm.IsEgressGateway
 	apiNode.IsIngressGateway = nm.IsIngressGateway
 	apiNode.EgressGatewayRanges = nm.EgressGatewayRanges
 	apiNode.EgressGatewayNatEnabled = nm.EgressGatewayNatEnabled
-	apiNode.RelayAddrs = nm.RelayAddrs
 	apiNode.FailoverNode = nm.FailoverNode.String()
 	if isUUIDSet(apiNode.FailoverNode) {
 		apiNode.FailoverNode = ""

models/node.go

@@ -69,6 +69,10 @@ type CommonNode struct {
 	IsEgressGateway     bool          `json:"isegressgateway" yaml:"isegressgateway"`
 	EgressGatewayRanges []string      `json:"egressgatewayranges" bson:"egressgatewayranges" yaml:"egressgatewayranges"`
 	IsIngressGateway    bool          `json:"isingressgateway" yaml:"isingressgateway"`
+	IsRelayed           bool          `json:"isrelayed" bson:"isrelayed" yaml:"isrelayed"`
+	RelayedBy           string        `json:"relayedby" bson:"relayedby" yaml:"relayedby"`
+	IsRelay             bool          `json:"isrelay" bson:"isrelay" yaml:"isrelay"`
+	RelayedNodes        []string      `json:"relaynodes" yaml:"relayedNodes"`
 	IngressDNS          string        `json:"ingressdns" yaml:"ingressdns"`
 	DNSOn               bool          `json:"dnson" yaml:"dnson"`
 	PersistentKeepalive time.Duration `json:"persistentkeepalive" yaml:"persistentkeepalive"`
@@ -86,9 +90,6 @@ type Node struct {
 	EgressGatewayRequest    EgressGatewayRequest `json:"egressgatewayrequest" bson:"egressgatewayrequest" yaml:"egressgatewayrequest"`
 	IngressGatewayRange     string               `json:"ingressgatewayrange" bson:"ingressgatewayrange" yaml:"ingressgatewayrange"`
 	IngressGatewayRange6    string               `json:"ingressgatewayrange6" bson:"ingressgatewayrange6" yaml:"ingressgatewayrange6"`
-	IsRelayed               bool                 `json:"isrelayed" bson:"isrelayed" yaml:"isrelayed"`
-	IsRelay                 bool                 `json:"isrelay" bson:"isrelay" yaml:"isrelay"`
-	RelayAddrs              []string             `json:"relayaddrs" bson:"relayaddrs" yaml:"relayaddrs"`
 	// == PRO ==
 	DefaultACL   string    `json:"defaultacl,omitempty" bson:"defaultacl,omitempty" yaml:"defaultacl,omitempty" validate:"checkyesornoorunset"`
 	OwnerID      string    `json:"ownerid,omitempty" bson:"ownerid,omitempty" yaml:"ownerid,omitempty"`
@@ -350,7 +351,7 @@ func (node *LegacyNode) SetDefaultFailover() {
 }
 
 // Node.Fill - fills other node data into calling node data if not set on calling node
-func (newNode *Node) Fill(currentNode *Node) { // TODO add new field for nftables present
+func (newNode *Node) Fill(currentNode *Node, isEE bool) { // TODO add new field for nftables present
 	newNode.ID = currentNode.ID
 	newNode.HostID = currentNode.HostID
 	// Revisit the logic for boolean values
@@ -401,13 +402,13 @@ func (newNode *Node) Fill(currentNode *Node) { // TODO add new field for nftable
 	if newNode.Action == "" {
 		newNode.Action = currentNode.Action
 	}
-	if newNode.RelayAddrs == nil {
-		newNode.RelayAddrs = currentNode.RelayAddrs
+	if newNode.RelayedNodes == nil {
+		newNode.RelayedNodes = currentNode.RelayedNodes
 	}
-	if newNode.IsRelay != currentNode.IsRelay {
+	if newNode.IsRelay != currentNode.IsRelay && isEE {
 		newNode.IsRelay = currentNode.IsRelay
 	}
-	if newNode.IsRelayed == currentNode.IsRelayed {
+	if newNode.IsRelayed == currentNode.IsRelayed && isEE {
 		newNode.IsRelayed = currentNode.IsRelayed
 	}
 	if newNode.Server == "" {

models/structs.go

@@ -153,9 +153,9 @@ type EgressGatewayRequest struct {
 
 // RelayRequest - relay request struct
 type RelayRequest struct {
-	NodeID     string   `json:"nodeid" bson:"nodeid"`
-	NetID      string   `json:"netid" bson:"netid"`
-	RelayAddrs []string `json:"relayaddrs" bson:"relayaddrs"`
+	NodeID       string   `json:"nodeid"`
+	NetID        string   `json:"netid"`
+	RelayedNodes []string `json:"relayaddrs"`
 }
 
 // HostRelayRequest - struct for host relay creation