Move public IP services handling to a map-based approach to work for daemon (multiple network configs) and CLI-based setting of the IP services.

netclient/config/config.go

@@ -6,13 +6,14 @@ import (
 	"crypto/x509/pkix"
 	"errors"
 	"fmt"
+	"github.com/gravitl/netmaker/netclient/ncutils"
 	"log"
 	"os"
 	"sync"
 
 	"github.com/gravitl/netmaker/logger"
 	"github.com/gravitl/netmaker/models"
-	"github.com/gravitl/netmaker/netclient/ncutils"
+	"github.com/gravitl/netmaker/netclient/global_settings"
 	"github.com/urfave/cli/v2"
 	"gopkg.in/yaml.v3"
 )
@@ -233,6 +234,9 @@ func GetCLIConfig(c *cli.Context) (ClientConfig, string, error) {
 		cfg.Server.API = c.String("apiserver")
 	}
 	cfg.PublicIPService = c.String("publicipservice")
+	// populate the map as we're not running as a daemon so won't be building the map otherwise
+	// (and the map will be used by GetPublicIP()).
+	global_settings.PublicIPServices[cfg.Network] = cfg.PublicIPService
 	cfg.Node.Name = c.String("name")
 	cfg.Node.Interface = c.String("interface")
 	cfg.Node.Password = c.String("password")

netclient/functions/daemon.go

@@ -97,6 +97,9 @@ func startGoRoutines(wg *sync.WaitGroup) context.CancelFunc {
 			logger.Log(0, "failed to start ", cfg.Node.Interface, "wg interface", err.Error())
 		}
 		server := cfg.Server.Server
+		if cfg.PublicIPService != "" {
+			config.PublicIPServices[server] = cfg.PublicIPService
+		}
 		if !serverSet[server] {
 			// == subscribe to all nodes for each on machine ==
 			serverSet[server] = true

netclient/functions/join.go

@@ -85,7 +85,7 @@ func JoinNetwork(cfg *config.ClientConfig, privateKey string) error {
 		if cfg.Node.IsLocal == "yes" && cfg.Node.LocalAddress != "" {
 			cfg.Node.Endpoint = cfg.Node.LocalAddress
 		} else {
-			cfg.Node.Endpoint, err = ncutils.GetPublicIP(cfg.PublicIPService)
+			cfg.Node.Endpoint, err = ncutils.GetPublicIP()
 		}
 		if err != nil || cfg.Node.Endpoint == "" {
 			logger.Log(0, "network:", cfg.Network, "error setting cfg.Node.Endpoint.")

netclient/functions/mqpublish.go

@@ -44,7 +44,7 @@ func checkin() {
 		nodeCfg.Network = network
 		nodeCfg.ReadConfig()
 		if nodeCfg.Node.IsStatic != "yes" {
-			extIP, err := ncutils.GetPublicIP(nodeCfg.PublicIPService)
+			extIP, err := ncutils.GetPublicIP()
 			if err != nil {
 				logger.Log(1, "error encountered checking public ip addresses: ", err.Error())
 			}

netclient/global_settings/globalsettings.go

@@ -0,0 +1,5 @@
+package global_settings
+
+// globalsettings - settings that are global in nature.  Avoids circular dependencies between config loading and usage.
+
+var PublicIPServices map[string]string

netclient/ncutils/netclientutils.go

@@ -6,6 +6,7 @@ import (
 	"encoding/gob"
 	"errors"
 	"fmt"
+	"github.com/gravitl/netmaker/netclient/global_settings"
 	"io"
 	"log"
 	"net"
@@ -126,14 +127,15 @@ func IsEmptyRecord(err error) bool {
 }
 
 // GetPublicIP - gets public ip
-func GetPublicIP(publicIpService string) (string, error) {
+func GetPublicIP() (string, error) {
 
 	iplist := []string{"https://ip.server.gravitl.com", "https://ifconfig.me", "https://api.ipify.org", "https://ipinfo.io/ip"}
-	if publicIpService != "" {
-		logger.Log(3, "User (config file) provided public IP service is", publicIpService)
+
+	for network, ipService := range global_settings.PublicIPServices {
+		logger.Log(3, "User provided public IP service defined for network", network, "is", ipService)
 
 		// prepend the user-specified service so it's checked first
-		iplist = append([]string{publicIpService}, iplist...)
+		iplist = append([]string{ipService}, iplist...)
 	}
 
 	endpoint := ""