feat: send gateway dns and private address

Author: Aceix

models/structs.go

@@ -43,6 +43,8 @@ type UserRemoteGws struct {
 	Metadata          string    `json:"metadata"`
 	AllowedEndpoints  []string  `json:"allowed_endpoints"`
 	NetworkAddresses  []string  `json:"network_addresses"`
+	DnsAddress        string    `json:"dns_address"`
+	Addresses         string    `json:"addresses"`
 }
 
 // UserRAGs - struct for user access gws

pro/controllers/users.go

@@ -19,6 +19,7 @@ import (
 	"github.com/gravitl/netmaker/pro/email"
 	proLogic "github.com/gravitl/netmaker/pro/logic"
 	"github.com/gravitl/netmaker/servercfg"
+	"github.com/gravitl/netmaker/utils"
 	"golang.org/x/exp/slog"
 )
 
@@ -1034,6 +1035,8 @@ func getRemoteAccessGatewayConf(w http.ResponseWriter, r *http.Request) {
 		Metadata:          node.Metadata,
 		AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 		NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
+		DnsAddress:        node.IngressDNS,
+		Addresses:         utils.NonemptyStringToCsv(node.Address.String(), node.Address6.String()),
 	}
 
 	slog.Debug("returned user gw config", "user", user.UserName, "gws", userGw)
@@ -1117,6 +1120,8 @@ func getUserRemoteAccessGwsV1(w http.ResponseWriter, r *http.Request) {
 				Metadata:          node.Metadata,
 				AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 				NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
+				DnsAddress:        node.IngressDNS,
+				Addresses:         utils.NonemptyStringToCsv(node.Address.String(), node.Address6.String()),
 			})
 			userGws[node.Network] = gws
 			delete(userGwNodes, node.ID.String())
@@ -1154,6 +1159,8 @@ func getUserRemoteAccessGwsV1(w http.ResponseWriter, r *http.Request) {
 			Metadata:          node.Metadata,
 			AllowedEndpoints:  getAllowedRagEndpoints(&node, host),
 			NetworkAddresses:  []string{network.AddressRange, network.AddressRange6},
+			DnsAddress:        node.IngressDNS,
+			Addresses:         utils.NonemptyStringToCsv(node.Address.String(), node.Address6.String()),
 		})
 		userGws[node.Network] = gws
 	}

utils/utils.go

@@ -1,6 +1,9 @@
 package utils
 
-import "time"
+import (
+	"strings"
+	"time"
+)
 
 // RetryStrategy specifies a strategy to retry an operation after waiting a while,
 // with hooks for successful and unsuccessful (>=max) tries.
@@ -39,3 +42,18 @@ func (rs RetryStrategy) DoStrategy() {
 		return
 	}
 }
+
+// NonemptyStringToCsv takes a bunch of strings, filters out empty ones and returns a csv version of the string
+func NonemptyStringToCsv(strs ...string) string {
+	var sb strings.Builder
+	for _, str := range strs {
+		trimmedStr := strings.TrimSpace(str)
+		if trimmedStr != "" && trimmedStr != "<nil>" {
+			if sb.Len() > 0 {
+				sb.WriteString(", ")
+			}
+			sb.WriteString(str)
+		}
+	}
+	return sb.String()
+}