Combined client + server code, Added HA ability, minor bug fixes

logic/wireguard.go

@@ -0,0 +1,25 @@
+package logic
+
+import (
+	"github.com/gravitl/netmaker/models"
+	"golang.zx2c4.com/wireguard/wgctrl"
+)
+
+func GetSystemPeers(node *models.Node) (map[string]string, error) {
+	peers := make(map[string]string)
+
+	client, err := wgctrl.New()
+	if err != nil {
+		return peers, err
+	}
+	device, err := client.Device(node.Interface)
+	if err != nil {
+		return nil, err
+	}
+	for _, peer := range device.Peers {
+		if IsBase64(peer.PublicKey.String()) && peer.Endpoint != nil && CheckEndpoint(peer.Endpoint.String()) {
+			peers[peer.PublicKey.String()] = peer.Endpoint.String()
+		}
+	}
+	return peers, nil
+}