Add client status collection (#368)

client/cmd/up.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/proto"
+	nbStatus "github.com/netbirdio/netbird/client/status"
 	"github.com/netbirdio/netbird/util"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -47,7 +48,7 @@ var upCmd = &cobra.Command{
 			var cancel context.CancelFunc
 			ctx, cancel = context.WithCancel(ctx)
 			SetupCloseHandler(ctx, cancel)
-			return internal.RunClient(ctx, config)
+			return internal.RunClient(ctx, config, nbStatus.NewRecorder())
 		}
 
 		conn, err := DialClientGRPCServer(ctx, daemonAddr)

client/internal/connect.go

@@ -2,7 +2,10 @@ package internal
 
 import (
 	"context"
+	"fmt"
 	"github.com/netbirdio/netbird/client/ssh"
+	nbStatus "github.com/netbirdio/netbird/client/status"
+	"strings"
 	"time"
 
 	"github.com/netbirdio/netbird/client/system"
@@ -16,11 +19,11 @@ import (
 	"github.com/cenkalti/backoff/v4"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
+	gstatus "google.golang.org/grpc/status"
 )
 
 // RunClient with main logic.
-func RunClient(ctx context.Context, config *Config) error {
+func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Status) error {
 	backOff := &backoff.ExponentialBackOff{
 		InitialInterval:     time.Second,
 		RandomizationFactor: backoff.DefaultRandomizationFactor,
@@ -40,6 +43,26 @@ func RunClient(ctx context.Context, config *Config) error {
 	}()
 
 	wrapErr := state.Wrap
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(config.PrivateKey)
+	if err != nil {
+		log.Errorf("failed parsing Wireguard key %s: [%s]", config.PrivateKey, err.Error())
+		return wrapErr(err)
+	}
+
+	var mgmTlsEnabled bool
+	if config.ManagementURL.Scheme == "https" {
+		mgmTlsEnabled = true
+	}
+
+	publicSSHKey, err := ssh.GeneratePublicKey([]byte(config.SSHKey))
+	if err != nil {
+		return err
+	}
+
+	managementURL := config.ManagementURL.String()
+	statusRecorder.MarkManagementDisconnected(managementURL)
+
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
 		select {
@@ -49,37 +72,42 @@ func RunClient(ctx context.Context, config *Config) error {
 		}
 
 		state.Set(StatusConnecting)
-		// validate our peer's Wireguard PRIVATE key
-		myPrivateKey, err := wgtypes.ParseKey(config.PrivateKey)
-		if err != nil {
-			log.Errorf("failed parsing Wireguard key %s: [%s]", config.PrivateKey, err.Error())
-			return wrapErr(err)
-		}
-
-		var mgmTlsEnabled bool
-		if config.ManagementURL.Scheme == "https" {
-			mgmTlsEnabled = true
-		}
 
 		engineCtx, cancel := context.WithCancel(ctx)
-		defer cancel()
+		defer func() {
+			statusRecorder.MarkManagementDisconnected(managementURL)
+			cancel()
+		}()
 
-		publicSSHKey, err := ssh.GeneratePublicKey([]byte(config.SSHKey))
-		if err != nil {
-			return err
-		}
 		// connect (just a connection, no stream yet) and login to Management Service to get an initial global Wiretrustee config
 		mgmClient, loginResp, err := connectToManagement(engineCtx, config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled,
 			publicSSHKey)
 		if err != nil {
 			log.Debug(err)
-			if s, ok := status.FromError(err); ok && s.Code() == codes.PermissionDenied {
+			if s, ok := gstatus.FromError(err); ok && s.Code() == codes.PermissionDenied {
 				log.Info("peer registration required. Please run `netbird status` for details")
 				state.Set(StatusNeedsLogin)
 				return nil
 			}
 			return wrapErr(err)
 		}
+		statusRecorder.MarkManagementConnected(managementURL)
+
+		localPeerState := nbStatus.LocalPeerState{
+			IP:              loginResp.GetPeerConfig().GetAddress(),
+			PubKey:          myPrivateKey.PublicKey().String(),
+			KernelInterface: iface.WireguardModExists(),
+		}
+
+		statusRecorder.UpdateLocalPeerState(localPeerState)
+
+		signalURL := fmt.Sprintf("%s://%s",
+			strings.ToLower(loginResp.GetWiretrusteeConfig().GetSignal().GetProtocol().String()),
+			loginResp.GetWiretrusteeConfig().GetSignal().GetUri(),
+		)
+
+		statusRecorder.MarkSignalDisconnected(signalURL)
+		defer statusRecorder.MarkSignalDisconnected(signalURL)
 
 		// with the global Wiretrustee config in hand connect (just a connection, no stream yet) Signal
 		signalClient, err := connectToSignal(engineCtx, loginResp.GetWiretrusteeConfig(), myPrivateKey)
@@ -88,6 +116,8 @@ func RunClient(ctx context.Context, config *Config) error {
 			return wrapErr(err)
 		}
 
+		statusRecorder.MarkSignalConnected(signalURL)
+
 		peerConfig := loginResp.GetPeerConfig()
 
 		engineConfig, err := createEngineConfig(myPrivateKey, config, peerConfig)
@@ -96,7 +126,7 @@ func RunClient(ctx context.Context, config *Config) error {
 			return wrapErr(err)
 		}
 
-		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, engineConfig)
+		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, engineConfig, statusRecorder)
 		err = engine.Start()
 		if err != nil {
 			log.Errorf("error while starting Netbird Connection Engine: %s", err)
@@ -115,6 +145,7 @@ func RunClient(ctx context.Context, config *Config) error {
 			log.Errorf("failed closing Management Service client %v", err)
 			return wrapErr(err)
 		}
+
 		err = signalClient.Close()
 		if err != nil {
 			log.Errorf("failed closing Signal Service client %v", err)
@@ -136,7 +167,7 @@ func RunClient(ctx context.Context, config *Config) error {
 		return nil
 	}
 
-	err := backoff.Retry(operation, backOff)
+	err = backoff.Retry(operation, backOff)
 	if err != nil {
 		log.Errorf("exiting client retry loop due to unrecoverable error: %s", err)
 		return err
@@ -179,7 +210,7 @@ func connectToSignal(ctx context.Context, wtConfig *mgmProto.WiretrusteeConfig,
 	signalClient, err := signal.NewClient(ctx, wtConfig.Signal.Uri, ourPrivateKey, sigTLSEnabled)
 	if err != nil {
 		log.Errorf("error while connecting to the Signal Exchange Service %s: %s", wtConfig.Signal.Uri, err)
-		return nil, status.Errorf(codes.FailedPrecondition, "failed connecting to Signal Service : %s", err)
+		return nil, gstatus.Errorf(codes.FailedPrecondition, "failed connecting to Signal Service : %s", err)
 	}
 
 	return signalClient, nil
@@ -190,13 +221,13 @@ func connectToManagement(ctx context.Context, managementAddr string, ourPrivateK
 	log.Debugf("connecting to Management Service %s", managementAddr)
 	client, err := mgm.NewClient(ctx, managementAddr, ourPrivateKey, tlsEnabled)
 	if err != nil {
-		return nil, nil, status.Errorf(codes.FailedPrecondition, "failed connecting to Management Service : %s", err)
+		return nil, nil, gstatus.Errorf(codes.FailedPrecondition, "failed connecting to Management Service : %s", err)
 	}
 	log.Debugf("connected to management server %s", managementAddr)
 
 	serverPublicKey, err := client.GetServerPublicKey()
 	if err != nil {
-		return nil, nil, status.Errorf(codes.FailedPrecondition, "failed while getting Management Service public key: %s", err)
+		return nil, nil, gstatus.Errorf(codes.FailedPrecondition, "failed while getting Management Service public key: %s", err)
 	}
 
 	sysInfo := system.GetInfo(ctx)

client/internal/engine.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	nbssh "github.com/netbirdio/netbird/client/ssh"
+	nbstatus "github.com/netbirdio/netbird/client/status"
 	"math/rand"
 	"net"
 	"runtime"
@@ -95,6 +96,8 @@ type Engine struct {
 
 	sshServerFunc func(hostKeyPEM []byte, addr string) (nbssh.Server, error)
 	sshServer     nbssh.Server
+
+	statusRecorder *nbstatus.Status
 }
 
 // Peer is an instance of the Connection Peer
@@ -106,20 +109,22 @@ type Peer struct {
 // NewEngine creates a new Connection Engine
 func NewEngine(
 	ctx context.Context, cancel context.CancelFunc,
-	signalClient signal.Client, mgmClient mgm.Client, config *EngineConfig,
+	signalClient signal.Client, mgmClient mgm.Client,
+	config *EngineConfig, statusRecorder *nbstatus.Status,
 ) *Engine {
 	return &Engine{
-		ctx:           ctx,
+		ctx:            ctx,
-		cancel:        cancel,
+		cancel:         cancel,
-		signal:        signalClient,
+		signal:         signalClient,
-		mgmClient:     mgmClient,
+		mgmClient:      mgmClient,
-		peerConns:     map[string]*peer.Conn{},
+		peerConns:      map[string]*peer.Conn{},
-		syncMsgMux:    &sync.Mutex{},
+		syncMsgMux:     &sync.Mutex{},
-		config:        config,
+		config:         config,
-		STUNs:         []*ice.URL{},
+		STUNs:          []*ice.URL{},
-		TURNs:         []*ice.URL{},
+		TURNs:          []*ice.URL{},
-		networkSerial: 0,
+		networkSerial:  0,
-		sshServerFunc: nbssh.DefaultSSHServer,
+		sshServerFunc:  nbssh.DefaultSSHServer,
+		statusRecorder: statusRecorder,
 	}
 }
 
@@ -302,8 +307,13 @@ func (e *Engine) removePeer(peerKey string) error {
 
 	conn, exists := e.peerConns[peerKey]
 	if exists {
+		err := e.statusRecorder.RemovePeer(peerKey)
+		if err != nil {
+			log.Warn("received error when removing peer from status recorder: ", err)
+		}
+
 		delete(e.peerConns, peerKey)
-		err := conn.Close()
+		err = conn.Close()
 		if err != nil {
 			switch err.(type) {
 			case *peer.ConnectionAlreadyClosedError:
@@ -623,6 +633,11 @@ func (e *Engine) addNewPeer(peerConfig *mgmProto.RemotePeerConfig) error {
 		}
 		e.peerConns[peerKey] = conn
 
+		err = e.statusRecorder.AddPeer(peerKey)
+		if err != nil {
+			log.Warnf("error adding peer %s to status recorder, got error: %v", peerKey, err)
+		}
+
 		go e.connWorker(conn, peerKey)
 	}
 	return nil
@@ -693,7 +708,7 @@ func (e Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, er
 		ProxyConfig:        proxyConfig,
 	}
 
-	peerConn, err := peer.NewConn(config)
+	peerConn, err := peer.NewConn(config, e.statusRecorder)
 	if err != nil {
 		return nil, err
 	}

client/internal/engine_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/netbirdio/netbird/client/ssh"
+	nbstatus "github.com/netbirdio/netbird/client/status"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/stretchr/testify/assert"
 	"net"
@@ -63,7 +64,7 @@ func TestEngine_SSH(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	})
+	}, nbstatus.NewRecorder())
 
 	var sshKeysAdded []string
 	var sshPeersRemoved []string
@@ -193,7 +194,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	})
+	}, nbstatus.NewRecorder())
 	engine.wgInterface, err = iface.NewWGIFace("utun102", "100.64.0.1/24", iface.DefaultMTU)
 
 	type testCase struct {
@@ -373,7 +374,7 @@ func TestEngine_Sync(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	})
+	}, nbstatus.NewRecorder())
 
 	defer func() {
 		err := engine.Stop()
@@ -576,7 +577,7 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		WgPort:       wgPort,
 	}
 
-	return NewEngine(ctx, cancel, signalClient, mgmtClient, conf), nil
+	return NewEngine(ctx, cancel, signalClient, mgmtClient, conf, nbstatus.NewRecorder()), nil
 }
 
 func startSignal(port int) (*grpc.Server, error) {

client/internal/peer/conn.go

@@ -2,6 +2,7 @@ package peer
 
 import (
 	"context"
+	nbStatus "github.com/netbirdio/netbird/client/status"
 	"github.com/netbirdio/netbird/iface"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"net"
@@ -64,6 +65,8 @@ type Conn struct {
 	agent  *ice.Agent
 	status ConnStatus
 
+	statusRecorder *nbStatus.Status
+
 	proxy proxy.Proxy
 }
 
@@ -74,7 +77,7 @@ func (conn *Conn) GetConf() ConnConfig {
 
 // NewConn creates a new not opened Conn to the remote peer.
 // To establish a connection run Conn.Open
-func NewConn(config ConnConfig) (*Conn, error) {
+func NewConn(config ConnConfig, statusRecorder *nbStatus.Status) (*Conn, error) {
 	return &Conn{
 		config:         config,
 		mu:             sync.Mutex{},
@@ -82,6 +85,7 @@ func NewConn(config ConnConfig) (*Conn, error) {
 		closeCh:        make(chan struct{}),
 		remoteOffersCh: make(chan IceCredentials),
 		remoteAnswerCh: make(chan IceCredentials),
+		statusRecorder: statusRecorder,
 	}, nil
 }
 
@@ -157,6 +161,17 @@ func (conn *Conn) reCreateAgent() error {
 func (conn *Conn) Open() error {
 	log.Debugf("trying to connect to peer %s", conn.config.Key)
 
+	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
+
+	peerState.IP = strings.Split(conn.config.ProxyConfig.AllowedIps, "/")[0]
+	peerState.ConnStatusUpdate = time.Now()
+	peerState.ConnStatus = conn.status.String()
+
+	err := conn.statusRecorder.UpdatePeerState(peerState)
+	if err != nil {
+		log.Warnf("erro while updating the state of peer %s,err: %v", conn.config.Key, err)
+	}
+
 	defer func() {
 		err := conn.cleanup()
 		if err != nil {
@@ -165,7 +180,7 @@ func (conn *Conn) Open() error {
 		}
 	}()
 
-	err := conn.reCreateAgent()
+	err = conn.reCreateAgent()
 	if err != nil {
 		return err
 	}
@@ -205,6 +220,15 @@ func (conn *Conn) Open() error {
 	defer conn.notifyDisconnected()
 	conn.mu.Unlock()
 
+	peerState = nbStatus.PeerState{PubKey: conn.config.Key}
+
+	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatusUpdate = time.Now()
+	err = conn.statusRecorder.UpdatePeerState(peerState)
+	if err != nil {
+		log.Warnf("erro while updating the state of peer %s,err: %v", conn.config.Key, err)
+	}
+
 	err = conn.agent.GatherCandidates()
 	if err != nil {
 		return err
@@ -224,7 +248,7 @@ func (conn *Conn) Open() error {
 		return err
 	}
 
-	// the connection has been established successfully so we are ready to start the proxy
+	// the ice connection has been established successfully so we are ready to start the proxy
 	err = conn.startProxy(remoteConn)
 	if err != nil {
 		return err
@@ -296,12 +320,15 @@ func (conn *Conn) startProxy(remoteConn net.Conn) error {
 		return err
 	}
 
+	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
 	useProxy := shouldUseProxy(pair)
 	var p proxy.Proxy
 	if useProxy {
 		p = proxy.NewWireguardProxy(conn.config.ProxyConfig)
+		peerState.Direct = false
 	} else {
 		p = proxy.NewNoProxy(conn.config.ProxyConfig)
+		peerState.Direct = true
 	}
 	conn.proxy = p
 	err = p.Start(remoteConn)
@@ -311,6 +338,19 @@ func (conn *Conn) startProxy(remoteConn net.Conn) error {
 
 	conn.status = StatusConnected
 
+	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatusUpdate = time.Now()
+	peerState.LocalIceCandidateType = pair.Local.Type().String()
+	peerState.RemoteIceCandidateType = pair.Remote.Type().String()
+	if pair.Local.Type() == ice.CandidateTypeRelay || pair.Remote.Type() == ice.CandidateTypeRelay {
+		peerState.Relayed = true
+	}
+
+	err = conn.statusRecorder.UpdatePeerState(peerState)
+	if err != nil {
+		log.Warnf("unable to save peer's state, got error: %v", err)
+	}
+
 	return nil
 }
 
@@ -343,6 +383,14 @@ func (conn *Conn) cleanup() error {
 
 	conn.status = StatusDisconnected
 
+	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
+	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatusUpdate = time.Now()
+	err := conn.statusRecorder.UpdatePeerState(peerState)
+	if err != nil {
+		log.Warnf("error while updating peer's %s state, err: %v", conn.config.Key, err)
+	}
+
 	log.Debugf("cleaned up connection to peer %s", conn.config.Key)
 
 	return nil

client/internal/peer/conn_test.go

@@ -3,6 +3,7 @@ package peer
 import (
 	"github.com/magiconair/properties/assert"
 	"github.com/netbirdio/netbird/client/internal/proxy"
+	nbstatus "github.com/netbirdio/netbird/client/status"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/pion/ice/v2"
 	"sync"
@@ -32,7 +33,7 @@ func TestNewConn_interfaceFilter(t *testing.T) {
 }
 
 func TestConn_GetKey(t *testing.T) {
-	conn, err := NewConn(connConf)
+	conn, err := NewConn(connConf, nil)
 	if err != nil {
 		return
 	}
@@ -44,7 +45,7 @@ func TestConn_GetKey(t *testing.T) {
 
 func TestConn_OnRemoteOffer(t *testing.T) {
 
-	conn, err := NewConn(connConf)
+	conn, err := NewConn(connConf, nbstatus.NewRecorder())
 	if err != nil {
 		return
 	}
@@ -74,7 +75,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 
 func TestConn_OnRemoteAnswer(t *testing.T) {
 
-	conn, err := NewConn(connConf)
+	conn, err := NewConn(connConf, nbstatus.NewRecorder())
 	if err != nil {
 		return
 	}
@@ -103,7 +104,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 }
 func TestConn_Status(t *testing.T) {
 
-	conn, err := NewConn(connConf)
+	conn, err := NewConn(connConf, nbstatus.NewRecorder())
 	if err != nil {
 		return
 	}
@@ -130,7 +131,7 @@ func TestConn_Status(t *testing.T) {
 
 func TestConn_Close(t *testing.T) {
 
-	conn, err := NewConn(connConf)
+	conn, err := NewConn(connConf, nbstatus.NewRecorder())
 	if err != nil {
 		return
 	}

client/server/server.go

@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"fmt"
+	nbStatus "github.com/netbirdio/netbird/client/status"
 	"sync"
 	"time"
 
@@ -31,6 +32,8 @@ type Server struct {
 	mutex  sync.Mutex
 	config *internal.Config
 	proto.UnimplementedDaemonServiceServer
+
+	statusRecorder *nbStatus.Status
 }
 
 type oauthAuthFlow struct {
@@ -52,6 +55,8 @@ func New(ctx context.Context, managementURL, adminURL, configPath, logFile strin
 }
 
 func (s *Server) Start() error {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
 	state := internal.CtxGetState(s.rootCtx)
 
 	// if current state contains any error, return it
@@ -89,8 +94,10 @@ func (s *Server) Start() error {
 
 	s.config = config
 
+	s.statusRecorder = nbStatus.NewRecorder()
+
 	go func() {
-		if err := internal.RunClient(ctx, config); err != nil {
+		if err := internal.RunClient(ctx, config, s.statusRecorder); err != nil {
 			log.Errorf("init connections: %v", err)
 		}
 	}()
@@ -350,8 +357,12 @@ func (s *Server) Up(callerCtx context.Context, msg *proto.UpRequest) (*proto.UpR
 		return nil, fmt.Errorf("config is not defined, please call login command first")
 	}
 
+	if s.statusRecorder == nil {
+		s.statusRecorder = nbStatus.NewRecorder()
+	}
+
 	go func() {
-		if err := internal.RunClient(ctx, s.config); err != nil {
+		if err := internal.RunClient(ctx, s.config, s.statusRecorder); err != nil {
 			log.Errorf("run client connection: %v", state.Wrap(err))
 			return
 		}

client/status/status.go

@@ -0,0 +1,183 @@
+package status
+
+import (
+	"errors"
+	"sync"
+	"time"
+)
+
+// PeerState contains the latest state of a peer
+type PeerState struct {
+	IP                     string
+	PubKey                 string
+	ConnStatus             string
+	ConnStatusUpdate       time.Time
+	Relayed                bool
+	Direct                 bool
+	LocalIceCandidateType  string
+	RemoteIceCandidateType string
+}
+
+// LocalPeerState contains the latest state of the local peer
+type LocalPeerState struct {
+	IP              string
+	PubKey          string
+	KernelInterface bool
+}
+
+// SignalState contains the latest state of a signal connection
+type SignalState struct {
+	URL       string
+	Connected bool
+}
+
+// ManagementState contains the latest state of a management connection
+type ManagementState struct {
+	URL       string
+	Connected bool
+}
+
+// FullStatus contains the full state held by the Status instance
+type FullStatus struct {
+	Peers           []PeerState
+	ManagementState ManagementState
+	SignalState     SignalState
+	LocalPeerState  LocalPeerState
+}
+
+// Status holds a state of peers, signal and management connections
+type Status struct {
+	mux        sync.Mutex
+	peers      map[string]PeerState
+	signal     SignalState
+	management ManagementState
+	localPeer  LocalPeerState
+}
+
+// NewRecorder returns a new Status instance
+func NewRecorder() *Status {
+	return &Status{
+		peers: make(map[string]PeerState),
+	}
+}
+
+// AddPeer adds peer to Daemon status map
+func (d *Status) AddPeer(peerPubKey string) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	_, ok := d.peers[peerPubKey]
+	if ok {
+		return errors.New("peer already exist")
+	}
+	d.peers[peerPubKey] = PeerState{PubKey: peerPubKey}
+	return nil
+}
+
+// RemovePeer removes peer from Daemon status map
+func (d *Status) RemovePeer(peerPubKey string) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	_, ok := d.peers[peerPubKey]
+	if ok {
+		delete(d.peers, peerPubKey)
+		return nil
+	}
+
+	return errors.New("no peer with to remove")
+}
+
+// UpdatePeerState updates peer status
+func (d *Status) UpdatePeerState(receivedState PeerState) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	if receivedState.IP != "" {
+		peerState.IP = receivedState.IP
+	}
+
+	if receivedState.ConnStatus != peerState.ConnStatus {
+		peerState.ConnStatus = receivedState.ConnStatus
+		peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+		peerState.Direct = receivedState.Direct
+		peerState.Relayed = receivedState.Relayed
+		peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+		peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	}
+
+	d.peers[receivedState.PubKey] = peerState
+
+	return nil
+}
+
+// UpdateLocalPeerState updates local peer status
+func (d *Status) UpdateLocalPeerState(localPeerState LocalPeerState) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	d.localPeer = localPeerState
+}
+
+// MarkManagementDisconnected sets ManagementState to disconnected
+func (d *Status) MarkManagementDisconnected(managementURL string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.management = ManagementState{
+		URL:       managementURL,
+		Connected: false,
+	}
+}
+
+// MarkManagementConnected sets ManagementState to connected
+func (d *Status) MarkManagementConnected(managementURL string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.management = ManagementState{
+		URL:       managementURL,
+		Connected: true,
+	}
+}
+
+// MarkSignalDisconnected sets SignalState to disconnected
+func (d *Status) MarkSignalDisconnected(signalURL string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.signal = SignalState{
+		signalURL,
+		false,
+	}
+}
+
+// MarkSignalConnected sets SignalState to connected
+func (d *Status) MarkSignalConnected(signalURL string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.signal = SignalState{
+		signalURL,
+		true,
+	}
+}
+
+// GetFullStatus gets full status
+func (d *Status) GetFullStatus() FullStatus {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	fullStatus := FullStatus{
+		ManagementState: d.management,
+		SignalState:     d.signal,
+		LocalPeerState:  d.localPeer,
+	}
+
+	for _, status := range d.peers {
+		fullStatus.Peers = append(fullStatus.Peers, status)
+	}
+
+	return fullStatus
+}

client/status/status_test.go

@@ -0,0 +1,169 @@
+package status
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestAddPeer(t *testing.T) {
+	key := "abc"
+	status := NewRecorder()
+	err := status.AddPeer(key)
+	assert.NoError(t, err, "shouldn't return error")
+
+	_, exists := status.peers[key]
+	assert.True(t, exists, "value was found")
+
+	err = status.AddPeer(key)
+
+	assert.Error(t, err, "should return error on duplicate")
+}
+
+func TestUpdatePeerState(t *testing.T) {
+	key := "abc"
+	ip := "10.10.10.10"
+	status := NewRecorder()
+	peerState := PeerState{
+		PubKey: key,
+	}
+
+	status.peers[key] = peerState
+
+	peerState.IP = ip
+
+	err := status.UpdatePeerState(peerState)
+	assert.NoError(t, err, "shouldn't return error")
+
+	state, exists := status.peers[key]
+	assert.True(t, exists, "state should be found")
+	assert.Equal(t, ip, state.IP, "ip should be equal")
+}
+
+func TestRemovePeer(t *testing.T) {
+	key := "abc"
+	status := NewRecorder()
+	peerState := PeerState{
+		PubKey: key,
+	}
+
+	status.peers[key] = peerState
+
+	err := status.RemovePeer(key)
+	assert.NoError(t, err, "shouldn't return error")
+
+	_, exists := status.peers[key]
+	assert.False(t, exists, "state value shouldn't be found")
+
+	err = status.RemovePeer("not existing")
+	assert.Error(t, err, "should return error when peer doesn't exist")
+}
+
+func TestUpdateLocalPeerState(t *testing.T) {
+	localPeerState := LocalPeerState{
+		IP:              "10.10.10.10",
+		PubKey:          "abc",
+		KernelInterface: false,
+	}
+	status := NewRecorder()
+
+	status.UpdateLocalPeerState(localPeerState)
+
+	assert.Equal(t, localPeerState, status.localPeer, "local peer status should be equal")
+}
+
+func TestUpdateSignalState(t *testing.T) {
+	url := "https://signal"
+	var tests = []struct {
+		name      string
+		connected bool
+		want      SignalState
+	}{
+		{"should mark as connected", true, SignalState{
+
+			URL:       url,
+			Connected: true,
+		}},
+		{"should mark as disconnected", false, SignalState{
+			URL:       url,
+			Connected: false,
+		}},
+	}
+
+	status := NewRecorder()
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.connected {
+				status.MarkSignalConnected(url)
+			} else {
+				status.MarkSignalDisconnected(url)
+			}
+			assert.Equal(t, test.want, status.signal, "signal status should be equal")
+		})
+	}
+}
+
+func TestUpdateManagementState(t *testing.T) {
+	url := "https://management"
+	var tests = []struct {
+		name      string
+		connected bool
+		want      ManagementState
+	}{
+		{"should mark as connected", true, ManagementState{
+
+			URL:       url,
+			Connected: true,
+		}},
+		{"should mark as disconnected", false, ManagementState{
+			URL:       url,
+			Connected: false,
+		}},
+	}
+
+	status := NewRecorder()
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.connected {
+				status.MarkManagementConnected(url)
+			} else {
+				status.MarkManagementDisconnected(url)
+			}
+			assert.Equal(t, test.want, status.management, "signal status should be equal")
+		})
+	}
+}
+
+func TestGetFullStatus(t *testing.T) {
+	key1 := "abc"
+	key2 := "def"
+	managementState := ManagementState{
+		URL:       "https://signal",
+		Connected: true,
+	}
+	signalState := SignalState{
+		URL:       "https://signal",
+		Connected: true,
+	}
+	peerState1 := PeerState{
+		PubKey: key1,
+	}
+
+	peerState2 := PeerState{
+		PubKey: key2,
+	}
+
+	status := NewRecorder()
+
+	status.management = managementState
+	status.signal = signalState
+	status.peers[key1] = peerState1
+	status.peers[key2] = peerState2
+
+	fullStatus := status.GetFullStatus()
+
+	assert.Equal(t, managementState, fullStatus.ManagementState, "management status should be equal")
+	assert.Equal(t, signalState, fullStatus.SignalState, "signal status should be equal")
+	assert.ElementsMatch(t, []PeerState{peerState1, peerState2}, fullStatus.Peers, "peers states should match")
+}

iface/iface_darwin.go

@@ -33,3 +33,8 @@ func (w *WGIface) assignAddr() error {
 
 	return nil
 }
+
+// WireguardModExists check if we can load wireguard mod (linux only)
+func WireguardModExists() bool {
+	return false
+}

iface/iface_linux.go

@@ -14,6 +14,7 @@ type NativeLink struct {
 	Link *netlink.Link
 }
 
+// WireguardModExists check if we can load wireguard mod (linux only)
 func WireguardModExists() bool {
 	link := newWGLink("mustnotexist")
 

iface/iface_windows.go

@@ -57,3 +57,8 @@ func (w *WGIface) UpdateAddr(newAddr string) error {
 	w.Address = addr
 	return w.assignAddr(luid)
 }
+
+// WireguardModExists check if we can load wireguard mod (linux only)
+func WireguardModExists() bool {
+	return false
+}