[client] Add UI client event notifications (#3207)

client/cmd/status.go

@@ -39,7 +39,6 @@ type peerStateDetailOutput struct {
 	TransferSent           int64            `json:"transferSent" yaml:"transferSent"`
 	Latency                time.Duration    `json:"latency" yaml:"latency"`
 	RosenpassEnabled       bool             `json:"quantumResistance" yaml:"quantumResistance"`
-	Routes                 []string         `json:"routes" yaml:"routes"`
 	Networks               []string         `json:"networks" yaml:"networks"`
 }
 
@@ -98,9 +97,9 @@ type statusOutputOverview struct {
 	FQDN                string                     `json:"fqdn" yaml:"fqdn"`
 	RosenpassEnabled    bool                       `json:"quantumResistance" yaml:"quantumResistance"`
 	RosenpassPermissive bool                       `json:"quantumResistancePermissive" yaml:"quantumResistancePermissive"`
-	Routes              []string                   `json:"routes" yaml:"routes"`
 	Networks            []string                   `json:"networks" yaml:"networks"`
 	NSServerGroups      []nsServerGroupStateOutput `json:"dnsServers" yaml:"dnsServers"`
+	Events              []systemEventOutput        `json:"events" yaml:"events"`
 }
 
 var (
@@ -284,9 +283,9 @@ func convertToStatusOutputOverview(resp *proto.StatusResponse) statusOutputOverv
 		FQDN:                pbFullStatus.GetLocalPeerState().GetFqdn(),
 		RosenpassEnabled:    pbFullStatus.GetLocalPeerState().GetRosenpassEnabled(),
 		RosenpassPermissive: pbFullStatus.GetLocalPeerState().GetRosenpassPermissive(),
-		Routes:              pbFullStatus.GetLocalPeerState().GetNetworks(),
 		Networks:            pbFullStatus.GetLocalPeerState().GetNetworks(),
 		NSServerGroups:      mapNSGroups(pbFullStatus.GetDnsServers()),
+		Events:              mapEvents(pbFullStatus.GetEvents()),
 	}
 
 	if anonymizeFlag {
@@ -393,7 +392,6 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 			TransferSent:           transferSent,
 			Latency:                pbPeerState.GetLatency().AsDuration(),
 			RosenpassEnabled:       pbPeerState.GetRosenpassEnabled(),
-			Routes:                 pbPeerState.GetNetworks(),
 			Networks:               pbPeerState.GetNetworks(),
 		}
 
@@ -559,7 +557,6 @@ func parseGeneralSummary(overview statusOutputOverview, showURL bool, showRelays
 			"NetBird IP: %s\n"+
 			"Interface type: %s\n"+
 			"Quantum resistance: %s\n"+
-			"Routes: %s\n"+
 			"Networks: %s\n"+
 			"Peers count: %s\n",
 		fmt.Sprintf("%s/%s%s", goos, goarch, goarm),
@@ -574,7 +571,6 @@ func parseGeneralSummary(overview statusOutputOverview, showURL bool, showRelays
 		interfaceTypeString,
 		rosenpassEnabledStatus,
 		networks,
-		networks,
 		peersCountString,
 	)
 	return summary
@@ -582,13 +578,17 @@ func parseGeneralSummary(overview statusOutputOverview, showURL bool, showRelays
 
 func parseToFullDetailSummary(overview statusOutputOverview) string {
 	parsedPeersString := parsePeers(overview.Peers, overview.RosenpassEnabled, overview.RosenpassPermissive)
+	parsedEventsString := parseEvents(overview.Events)
 	summary := parseGeneralSummary(overview, true, true, true)
 
 	return fmt.Sprintf(
 		"Peers detail:"+
+			"%s\n"+
+			"Events:"+
 			"%s\n"+
 			"%s",
 		parsedPeersString,
+		parsedEventsString,
 		summary,
 	)
 }
@@ -657,7 +657,6 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 				"  Last WireGuard handshake: %s\n"+
 				"  Transfer status (received/sent) %s/%s\n"+
 				"  Quantum resistance: %s\n"+
-				"  Routes: %s\n"+
 				"  Networks: %s\n"+
 				"  Latency: %s\n",
 			peerState.FQDN,
@@ -676,7 +675,6 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 			toIEC(peerState.TransferSent),
 			rosenpassEnabledStatus,
 			networks,
-			networks,
 			peerState.Latency.String(),
 		)
 
@@ -825,14 +823,6 @@ func anonymizePeerDetail(a *anonymize.Anonymizer, peer *peerStateDetailOutput) {
 	for i, route := range peer.Networks {
 		peer.Networks[i] = a.AnonymizeRoute(route)
 	}
-
-	for i, route := range peer.Routes {
-		peer.Routes[i] = a.AnonymizeIPString(route)
-	}
-
-	for i, route := range peer.Routes {
-		peer.Routes[i] = a.AnonymizeRoute(route)
-	}
 }
 
 func anonymizeOverview(a *anonymize.Anonymizer, overview *statusOutputOverview) {
@@ -870,9 +860,14 @@ func anonymizeOverview(a *anonymize.Anonymizer, overview *statusOutputOverview)
 		overview.Networks[i] = a.AnonymizeRoute(route)
 	}
 
-	for i, route := range overview.Routes {
-		overview.Routes[i] = a.AnonymizeRoute(route)
-	}
-
 	overview.FQDN = a.AnonymizeDomain(overview.FQDN)
+
+	for i, event := range overview.Events {
+		overview.Events[i].Message = a.AnonymizeString(event.Message)
+		overview.Events[i].UserMessage = a.AnonymizeString(event.UserMessage)
+
+		for k, v := range event.Metadata {
+			event.Metadata[k] = a.AnonymizeString(v)
+		}
+	}
 }

client/cmd/status_event.go

@@ -0,0 +1,69 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/netbirdio/netbird/client/proto"
+)
+
+type systemEventOutput struct {
+	ID          string            `json:"id" yaml:"id"`
+	Severity    string            `json:"severity" yaml:"severity"`
+	Category    string            `json:"category" yaml:"category"`
+	Message     string            `json:"message" yaml:"message"`
+	UserMessage string            `json:"userMessage" yaml:"userMessage"`
+	Timestamp   time.Time         `json:"timestamp" yaml:"timestamp"`
+	Metadata    map[string]string `json:"metadata" yaml:"metadata"`
+}
+
+func mapEvents(protoEvents []*proto.SystemEvent) []systemEventOutput {
+	events := make([]systemEventOutput, len(protoEvents))
+	for i, event := range protoEvents {
+		events[i] = systemEventOutput{
+			ID:          event.GetId(),
+			Severity:    event.GetSeverity().String(),
+			Category:    event.GetCategory().String(),
+			Message:     event.GetMessage(),
+			UserMessage: event.GetUserMessage(),
+			Timestamp:   event.GetTimestamp().AsTime(),
+			Metadata:    event.GetMetadata(),
+		}
+	}
+	return events
+}
+
+func parseEvents(events []systemEventOutput) string {
+	if len(events) == 0 {
+		return " No events recorded"
+	}
+
+	var eventsString strings.Builder
+	for _, event := range events {
+		timeStr := timeAgo(event.Timestamp)
+
+		metadataStr := ""
+		if len(event.Metadata) > 0 {
+			pairs := make([]string, 0, len(event.Metadata))
+			for k, v := range event.Metadata {
+				pairs = append(pairs, fmt.Sprintf("%s: %s", k, v))
+			}
+			sort.Strings(pairs)
+			metadataStr = fmt.Sprintf("\n    Metadata: %s", strings.Join(pairs, ", "))
+		}
+
+		eventsString.WriteString(fmt.Sprintf("\n  [%s] %s (%s)"+
+			"\n    Message: %s"+
+			"\n    Time: %s%s",
+			event.Severity,
+			event.Category,
+			event.ID,
+			event.Message,
+			timeStr,
+			metadataStr,
+		))
+	}
+	return eventsString.String()
+}

client/cmd/status_test.go

@@ -146,9 +146,6 @@ var overview = statusOutputOverview{
 				LastWireguardHandshake: time.Date(2001, 1, 1, 1, 1, 2, 0, time.UTC),
 				TransferReceived:       200,
 				TransferSent:           100,
-				Routes: []string{
-					"10.1.0.0/24",
-				},
 				Networks: []string{
 					"10.1.0.0/24",
 				},
@@ -176,6 +173,7 @@ var overview = statusOutputOverview{
 			},
 		},
 	},
+	Events:        []systemEventOutput{},
 	CliVersion:    version.NetbirdVersion(),
 	DaemonVersion: "0.14.1",
 	ManagementState: managementStateOutput{
@@ -230,9 +228,6 @@ var overview = statusOutputOverview{
 			Error:   "timeout",
 		},
 	},
-	Routes: []string{
-		"10.10.0.0/24",
-	},
 	Networks: []string{
 		"10.10.0.0/24",
 	},
@@ -299,9 +294,6 @@ func TestParsingToJSON(t *testing.T) {
                 "transferSent": 100,
 				"latency": 10000000,
                 "quantumResistance": false,
-                "routes": [
-                  "10.1.0.0/24"
-                ],
                 "networks": [
                   "10.1.0.0/24"
                 ]
@@ -327,7 +319,6 @@ func TestParsingToJSON(t *testing.T) {
                 "transferSent": 1000,
 				"latency": 10000000,
                 "quantumResistance": false,
-                "routes": null,
                 "networks": null
               }
             ]
@@ -366,9 +357,6 @@ func TestParsingToJSON(t *testing.T) {
           "fqdn": "some-localhost.awesome-domain.com",
           "quantumResistance": false,
           "quantumResistancePermissive": false,
-          "routes": [
-            "10.10.0.0/24"
-          ],
           "networks": [
             "10.10.0.0/24"
           ],
@@ -393,7 +381,8 @@ func TestParsingToJSON(t *testing.T) {
               "enabled": false,
               "error": "timeout"
             }
-          ]
+          ],
+          "events": []
         }`
 	// @formatter:on
 
@@ -429,8 +418,6 @@ func TestParsingToYAML(t *testing.T) {
           transferSent: 100
           latency: 10ms
           quantumResistance: false
-          routes:
-            - 10.1.0.0/24
           networks:
             - 10.1.0.0/24
         - fqdn: peer-2.awesome-domain.com
@@ -451,7 +438,6 @@ func TestParsingToYAML(t *testing.T) {
           transferSent: 1000
           latency: 10ms
           quantumResistance: false
-          routes: []
           networks: []
 cliVersion: development
 daemonVersion: 0.14.1
@@ -479,8 +465,6 @@ usesKernelInterface: true
 fqdn: some-localhost.awesome-domain.com
 quantumResistance: false
 quantumResistancePermissive: false
-routes:
-    - 10.10.0.0/24
 networks:
     - 10.10.0.0/24
 dnsServers:
@@ -497,6 +481,7 @@ dnsServers:
         - example.net
       enabled: false
       error: timeout
+events: []
 `
 
 	assert.Equal(t, expectedYAML, yaml)
@@ -526,7 +511,6 @@ func TestParsingToDetail(t *testing.T) {
   Last WireGuard handshake: %s
   Transfer status (received/sent) 200 B/100 B
   Quantum resistance: false
-  Routes: 10.1.0.0/24
   Networks: 10.1.0.0/24
   Latency: 10ms
 
@@ -543,10 +527,10 @@ func TestParsingToDetail(t *testing.T) {
   Last WireGuard handshake: %s
   Transfer status (received/sent) 2.0 KiB/1000 B
   Quantum resistance: false
-  Routes: -
   Networks: -
   Latency: 10ms
 
+Events: No events recorded
 OS: %s/%s
 Daemon version: 0.14.1
 CLI version: %s
@@ -562,7 +546,6 @@ FQDN: some-localhost.awesome-domain.com
 NetBird IP: 192.168.178.100/16
 Interface type: Kernel
 Quantum resistance: false
-Routes: 10.10.0.0/24
 Networks: 10.10.0.0/24
 Peers count: 2/2 Connected
 `, lastConnectionUpdate1, lastHandshake1, lastConnectionUpdate2, lastHandshake2, runtime.GOOS, runtime.GOARCH, overview.CliVersion)
@@ -584,7 +567,6 @@ FQDN: some-localhost.awesome-domain.com
 NetBird IP: 192.168.178.100/16
 Interface type: Kernel
 Quantum resistance: false
-Routes: 10.10.0.0/24
 Networks: 10.10.0.0/24
 Peers count: 2/2 Connected
 `

client/internal/config.go

@@ -68,6 +68,8 @@ type ConfigInput struct {
 	DisableFirewall     *bool
 
 	BlockLANAccess *bool
+
+	DisableNotifications *bool
 }
 
 // Config Configuration type
@@ -93,6 +95,8 @@ type Config struct {
 
 	BlockLANAccess bool
 
+	DisableNotifications bool
+
 	// SSHKey is a private SSH key in a PEM format
 	SSHKey string
 
@@ -469,6 +473,16 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
 		updated = true
 	}
 
+	if input.DisableNotifications != nil && *input.DisableNotifications != config.DisableNotifications {
+		if *input.DisableNotifications {
+			log.Infof("disabling notifications")
+		} else {
+			log.Infof("enabling notifications")
+		}
+		config.DisableNotifications = *input.DisableNotifications
+		updated = true
+	}
+
 	if input.ClientCertKeyPath != "" {
 		config.ClientCertKeyPath = input.ClientCertKeyPath
 		updated = true

client/internal/dns/upstream.go

@@ -19,6 +19,7 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/proto"
 )
 
 const (
@@ -230,6 +231,14 @@ func (u *upstreamResolverBase) probeAvailability() {
 	// didn't find a working upstream server, let's disable and try later
 	if !success {
 		u.disable(errors.ErrorOrNil())
+
+		u.statusRecorder.PublishEvent(
+			proto.SystemEvent_WARNING,
+			proto.SystemEvent_DNS,
+			"All upstream servers failed",
+			"Unable to reach one or more DNS servers. This might affect your ability to connect to some services.",
+			map[string]string{"upstreams": strings.Join(u.upstreamServers, ", ")},
+		)
 	}
 }
 

client/internal/peer/status.go

@@ -7,21 +7,31 @@ import (
 	"sync"
 	"time"
 
+	"github.com/google/uuid"
+	log "github.com/sirupsen/logrus"
 	"golang.org/x/exp/maps"
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
 
 	"github.com/netbirdio/netbird/client/iface/configurer"
 	"github.com/netbirdio/netbird/client/internal/relay"
+	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/management/domain"
 	relayClient "github.com/netbirdio/netbird/relay/client"
 )
 
+const eventQueueSize = 10
+
 type ResolvedDomainInfo struct {
 	Prefixes     []netip.Prefix
 	ParentDomain domain.Domain
 }
 
+type EventListener interface {
+	OnEvent(event *proto.SystemEvent)
+}
+
 // State contains the latest state of a peer
 type State struct {
 	Mux                        *sync.RWMutex
@@ -157,6 +167,10 @@ type Status struct {
 	peerListChangedForNotification bool
 
 	relayMgr *relayClient.Manager
+
+	eventMux     sync.RWMutex
+	eventStreams map[string]chan *proto.SystemEvent
+	eventQueue   *EventQueue
 }
 
 // NewRecorder returns a new Status instance
@@ -164,6 +178,8 @@ func NewRecorder(mgmAddress string) *Status {
 	return &Status{
 		peers:                 make(map[string]State),
 		changeNotify:          make(map[string]chan struct{}),
+		eventStreams:          make(map[string]chan *proto.SystemEvent),
+		eventQueue:            NewEventQueue(eventQueueSize),
 		offlinePeers:          make([]State, 0),
 		notifier:              newNotifier(),
 		mgmAddress:            mgmAddress,
@@ -806,3 +822,112 @@ func (d *Status) notifyAddressChanged() {
 func (d *Status) numOfPeers() int {
 	return len(d.peers) + len(d.offlinePeers)
 }
+
+// PublishEvent adds an event to the queue and distributes it to all subscribers
+func (d *Status) PublishEvent(
+	severity proto.SystemEvent_Severity,
+	category proto.SystemEvent_Category,
+	msg string,
+	userMsg string,
+	metadata map[string]string,
+) {
+	event := &proto.SystemEvent{
+		Id:          uuid.New().String(),
+		Severity:    severity,
+		Category:    category,
+		Message:     msg,
+		UserMessage: userMsg,
+		Metadata:    metadata,
+		Timestamp:   timestamppb.Now(),
+	}
+
+	d.eventMux.Lock()
+	defer d.eventMux.Unlock()
+
+	d.eventQueue.Add(event)
+
+	for _, stream := range d.eventStreams {
+		select {
+		case stream <- event:
+		default:
+			log.Debugf("event stream buffer full, skipping event: %v", event)
+		}
+	}
+
+	log.Debugf("event published: %v", event)
+}
+
+// SubscribeToEvents returns a new event subscription
+func (d *Status) SubscribeToEvents() *EventSubscription {
+	d.eventMux.Lock()
+	defer d.eventMux.Unlock()
+
+	id := uuid.New().String()
+	stream := make(chan *proto.SystemEvent, 10)
+	d.eventStreams[id] = stream
+
+	return &EventSubscription{
+		id:     id,
+		events: stream,
+	}
+}
+
+// UnsubscribeFromEvents removes an event subscription
+func (d *Status) UnsubscribeFromEvents(sub *EventSubscription) {
+	if sub == nil {
+		return
+	}
+
+	d.eventMux.Lock()
+	defer d.eventMux.Unlock()
+
+	if stream, exists := d.eventStreams[sub.id]; exists {
+		close(stream)
+		delete(d.eventStreams, sub.id)
+	}
+}
+
+// GetEventHistory returns all events in the queue
+func (d *Status) GetEventHistory() []*proto.SystemEvent {
+	return d.eventQueue.GetAll()
+}
+
+type EventQueue struct {
+	maxSize int
+	events  []*proto.SystemEvent
+	mutex   sync.RWMutex
+}
+
+func NewEventQueue(size int) *EventQueue {
+	return &EventQueue{
+		maxSize: size,
+		events:  make([]*proto.SystemEvent, 0, size),
+	}
+}
+
+func (q *EventQueue) Add(event *proto.SystemEvent) {
+	q.mutex.Lock()
+	defer q.mutex.Unlock()
+
+	q.events = append(q.events, event)
+
+	if len(q.events) > q.maxSize {
+		q.events = q.events[len(q.events)-q.maxSize:]
+	}
+}
+
+func (q *EventQueue) GetAll() []*proto.SystemEvent {
+	q.mutex.RLock()
+	defer q.mutex.RUnlock()
+
+	return slices.Clone(q.events)
+}
+
+type EventSubscription struct {
+	id     string
+	events chan *proto.SystemEvent
+}
+
+func (s *EventSubscription) Events() <-chan *proto.SystemEvent {
+	return s.events
+}

client/internal/routemanager/client.go

@@ -19,6 +19,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/routemanager/dynamic"
 	"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
 	"github.com/netbirdio/netbird/client/internal/routemanager/static"
+	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/route"
 )
 
@@ -28,6 +29,15 @@ const (
 	handlerTypeStatic
 )
 
+type reason int
+
+const (
+	reasonUnknown reason = iota
+	reasonRouteUpdate
+	reasonPeerUpdate
+	reasonShutdown
+)
+
 type routerPeerStatus struct {
 	connected bool
 	relayed   bool
@@ -255,7 +265,7 @@ func (c *clientNetwork) removeRouteFromWireGuardPeer() error {
 	return nil
 }
 
-func (c *clientNetwork) removeRouteFromPeerAndSystem() error {
+func (c *clientNetwork) removeRouteFromPeerAndSystem(rsn reason) error {
 	if c.currentChosen == nil {
 		return nil
 	}
@@ -269,17 +279,19 @@ func (c *clientNetwork) removeRouteFromPeerAndSystem() error {
 		merr = multierror.Append(merr, fmt.Errorf("remove route: %w", err))
 	}
 
+	c.disconnectEvent(rsn)
+
 	return nberrors.FormatErrorOrNil(merr)
 }
 
-func (c *clientNetwork) recalculateRouteAndUpdatePeerAndSystem() error {
+func (c *clientNetwork) recalculateRouteAndUpdatePeerAndSystem(rsn reason) error {
 	routerPeerStatuses := c.getRouterPeerStatuses()
 
 	newChosenID := c.getBestRouteFromStatuses(routerPeerStatuses)
 
 	// If no route is chosen, remove the route from the peer and system
 	if newChosenID == "" {
-		if err := c.removeRouteFromPeerAndSystem(); err != nil {
+		if err := c.removeRouteFromPeerAndSystem(rsn); err != nil {
 			return fmt.Errorf("remove route for peer %s: %w", c.currentChosen.Peer, err)
 		}
 
@@ -319,6 +331,58 @@ func (c *clientNetwork) recalculateRouteAndUpdatePeerAndSystem() error {
 	return nil
 }
 
+func (c *clientNetwork) disconnectEvent(rsn reason) {
+	var defaultRoute bool
+	for _, r := range c.routes {
+		if r.Network.Bits() == 0 {
+			defaultRoute = true
+			break
+		}
+	}
+
+	if !defaultRoute {
+		return
+	}
+
+	var severity proto.SystemEvent_Severity
+	var message string
+	var userMessage string
+	meta := make(map[string]string)
+
+	switch rsn {
+	case reasonShutdown:
+		severity = proto.SystemEvent_INFO
+		message = "Default route removed"
+		userMessage = "Exit node disconnected."
+		meta["network"] = c.handler.String()
+	case reasonRouteUpdate:
+		severity = proto.SystemEvent_INFO
+		message = "Default route updated due to configuration change"
+		meta["network"] = c.handler.String()
+	case reasonPeerUpdate:
+		severity = proto.SystemEvent_WARNING
+		message = "Default route disconnected due to peer unreachability"
+		userMessage = "Exit node connection lost. Your internet access might be affected."
+		if c.currentChosen != nil {
+			meta["peer"] = c.currentChosen.Peer
+			meta["network"] = c.handler.String()
+		}
+	default:
+		severity = proto.SystemEvent_ERROR
+		message = "Default route disconnected for unknown reason"
+		userMessage = "Exit node disconnected for unknown reasons."
+		meta["network"] = c.handler.String()
+	}
+
+	c.statusRecorder.PublishEvent(
+		severity,
+		proto.SystemEvent_NETWORK,
+		message,
+		userMessage,
+		meta,
+	)
+}
+
 func (c *clientNetwork) sendUpdateToClientNetworkWatcher(update routesUpdate) {
 	go func() {
 		c.routeUpdate <- update
@@ -361,12 +425,12 @@ func (c *clientNetwork) peersStateAndUpdateWatcher() {
 		select {
 		case <-c.ctx.Done():
 			log.Debugf("Stopping watcher for network [%v]", c.handler)
-			if err := c.removeRouteFromPeerAndSystem(); err != nil {
+			if err := c.removeRouteFromPeerAndSystem(reasonShutdown); err != nil {
 				log.Errorf("Failed to remove routes for [%v]: %v", c.handler, err)
 			}
 			return
 		case <-c.peerStateUpdate:
-			err := c.recalculateRouteAndUpdatePeerAndSystem()
+			err := c.recalculateRouteAndUpdatePeerAndSystem(reasonPeerUpdate)
 			if err != nil {
 				log.Errorf("Failed to recalculate routes for network [%v]: %v", c.handler, err)
 			}
@@ -385,7 +449,7 @@ func (c *clientNetwork) peersStateAndUpdateWatcher() {
 
 			if isTrueRouteUpdate {
 				log.Debug("Client network update contains different routes, recalculating routes")
-				err := c.recalculateRouteAndUpdatePeerAndSystem()
+				err := c.recalculateRouteAndUpdatePeerAndSystem(reasonRouteUpdate)
 				if err != nil {
 					log.Errorf("Failed to recalculate routes for network [%v]: %v", c.handler, err)
 				}

client/proto/daemon.proto

@@ -59,6 +59,10 @@ service DaemonService {
   rpc SetNetworkMapPersistence(SetNetworkMapPersistenceRequest) returns (SetNetworkMapPersistenceResponse) {}
 
   rpc TracePacket(TracePacketRequest) returns (TracePacketResponse) {}
+
+  rpc SubscribeEvents(SubscribeRequest) returns (stream SystemEvent) {}
+
+  rpc GetEvents(GetEventsRequest) returns (GetEventsResponse) {}
 }
 
 
@@ -116,6 +120,8 @@ message LoginRequest {
   optional bool disable_firewall = 23;
 
   optional bool block_lan_access = 24;
+
+  optional bool disable_notifications = 25;
 }
 
 message LoginResponse {
@@ -181,6 +187,8 @@ message GetConfigResponse {
   bool rosenpassEnabled = 11;
 
   bool rosenpassPermissive = 12;
+
+  bool disable_notifications = 13;
 }
 
 // PeerState contains the latest state of a peer
@@ -251,6 +259,8 @@ message FullStatus {
   repeated PeerState peers = 4;
   repeated RelayState relays = 5;
   repeated NSGroupState dns_servers = 6;
+
+  repeated SystemEvent events = 7;
 }
 
 message ListNetworksRequest {
@@ -391,3 +401,35 @@ message TracePacketResponse {
   repeated TraceStage stages = 1;
   bool final_disposition = 2;
 }
+
+message SubscribeRequest{}
+
+message SystemEvent {
+  enum Severity {
+    INFO = 0;
+    WARNING = 1;
+    ERROR = 2;
+    CRITICAL = 3;
+  }
+
+  enum Category {
+    NETWORK = 0;
+    DNS = 1;
+    AUTHENTICATION = 2;
+    CONNECTIVITY = 3;
+  }
+
+  string id = 1;
+  Severity severity = 2;
+  Category category = 3;
+  string message = 4;
+  string userMessage = 5;
+  google.protobuf.Timestamp timestamp = 6;
+  map<string, string> metadata = 7;
+}
+
+message GetEventsRequest {}
+
+message GetEventsResponse {
+  repeated SystemEvent events = 1;
+}

client/proto/daemon_grpc.pb.go

@@ -52,6 +52,8 @@ type DaemonServiceClient interface {
 	// SetNetworkMapPersistence enables or disables network map persistence
 	SetNetworkMapPersistence(ctx context.Context, in *SetNetworkMapPersistenceRequest, opts ...grpc.CallOption) (*SetNetworkMapPersistenceResponse, error)
 	TracePacket(ctx context.Context, in *TracePacketRequest, opts ...grpc.CallOption) (*TracePacketResponse, error)
+	SubscribeEvents(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (DaemonService_SubscribeEventsClient, error)
+	GetEvents(ctx context.Context, in *GetEventsRequest, opts ...grpc.CallOption) (*GetEventsResponse, error)
 }
 
 type daemonServiceClient struct {
@@ -215,6 +217,47 @@ func (c *daemonServiceClient) TracePacket(ctx context.Context, in *TracePacketRe
 	return out, nil
 }
 
+func (c *daemonServiceClient) SubscribeEvents(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (DaemonService_SubscribeEventsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[0], "/daemon.DaemonService/SubscribeEvents", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &daemonServiceSubscribeEventsClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type DaemonService_SubscribeEventsClient interface {
+	Recv() (*SystemEvent, error)
+	grpc.ClientStream
+}
+
+type daemonServiceSubscribeEventsClient struct {
+	grpc.ClientStream
+}
+
+func (x *daemonServiceSubscribeEventsClient) Recv() (*SystemEvent, error) {
+	m := new(SystemEvent)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *daemonServiceClient) GetEvents(ctx context.Context, in *GetEventsRequest, opts ...grpc.CallOption) (*GetEventsResponse, error) {
+	out := new(GetEventsResponse)
+	err := c.cc.Invoke(ctx, "/daemon.DaemonService/GetEvents", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // DaemonServiceServer is the server API for DaemonService service.
 // All implementations must embed UnimplementedDaemonServiceServer
 // for forward compatibility
@@ -253,6 +296,8 @@ type DaemonServiceServer interface {
 	// SetNetworkMapPersistence enables or disables network map persistence
 	SetNetworkMapPersistence(context.Context, *SetNetworkMapPersistenceRequest) (*SetNetworkMapPersistenceResponse, error)
 	TracePacket(context.Context, *TracePacketRequest) (*TracePacketResponse, error)
+	SubscribeEvents(*SubscribeRequest, DaemonService_SubscribeEventsServer) error
+	GetEvents(context.Context, *GetEventsRequest) (*GetEventsResponse, error)
 	mustEmbedUnimplementedDaemonServiceServer()
 }
 
@@ -311,6 +356,12 @@ func (UnimplementedDaemonServiceServer) SetNetworkMapPersistence(context.Context
 func (UnimplementedDaemonServiceServer) TracePacket(context.Context, *TracePacketRequest) (*TracePacketResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method TracePacket not implemented")
 }
+func (UnimplementedDaemonServiceServer) SubscribeEvents(*SubscribeRequest, DaemonService_SubscribeEventsServer) error {
+	return status.Errorf(codes.Unimplemented, "method SubscribeEvents not implemented")
+}
+func (UnimplementedDaemonServiceServer) GetEvents(context.Context, *GetEventsRequest) (*GetEventsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetEvents not implemented")
+}
 func (UnimplementedDaemonServiceServer) mustEmbedUnimplementedDaemonServiceServer() {}
 
 // UnsafeDaemonServiceServer may be embedded to opt out of forward compatibility for this service.
@@ -630,6 +681,45 @@ func _DaemonService_TracePacket_Handler(srv interface{}, ctx context.Context, de
 	return interceptor(ctx, in, info, handler)
 }
 
+func _DaemonService_SubscribeEvents_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SubscribeRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DaemonServiceServer).SubscribeEvents(m, &daemonServiceSubscribeEventsServer{stream})
+}
+
+type DaemonService_SubscribeEventsServer interface {
+	Send(*SystemEvent) error
+	grpc.ServerStream
+}
+
+type daemonServiceSubscribeEventsServer struct {
+	grpc.ServerStream
+}
+
+func (x *daemonServiceSubscribeEventsServer) Send(m *SystemEvent) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _DaemonService_GetEvents_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetEventsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DaemonServiceServer).GetEvents(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/daemon.DaemonService/GetEvents",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DaemonServiceServer).GetEvents(ctx, req.(*GetEventsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // DaemonService_ServiceDesc is the grpc.ServiceDesc for DaemonService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -705,7 +795,17 @@ var DaemonService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "TracePacket",
 			Handler:    _DaemonService_TracePacket_Handler,
 		},
+		{
+			MethodName: "GetEvents",
+			Handler:    _DaemonService_GetEvents_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "SubscribeEvents",
+			Handler:       _DaemonService_SubscribeEvents_Handler,
+			ServerStreams: true,
+		},
 	},
-	Streams:  []grpc.StreamDesc{},
 	Metadata: "daemon.proto",
 }

client/server/event.go

@@ -0,0 +1,36 @@
+package server
+
+import (
+	"context"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/proto"
+)
+
+func (s *Server) SubscribeEvents(req *proto.SubscribeRequest, stream proto.DaemonService_SubscribeEventsServer) error {
+	subscription := s.statusRecorder.SubscribeToEvents()
+	defer func() {
+		s.statusRecorder.UnsubscribeFromEvents(subscription)
+		log.Debug("client unsubscribed from events")
+	}()
+
+	log.Debug("client subscribed to events")
+
+	for {
+		select {
+		case event := <-subscription.Events():
+			if err := stream.Send(event); err != nil {
+				log.Warnf("error sending event to %v: %v", req, err)
+				return err
+			}
+		case <-stream.Context().Done():
+			return nil
+		}
+	}
+}
+
+func (s *Server) GetEvents(context.Context, *proto.GetEventsRequest) (*proto.GetEventsResponse, error) {
+	events := s.statusRecorder.GetEventHistory()
+	return &proto.GetEventsResponse{Events: events}, nil
+}

client/server/server.go

@@ -404,6 +404,11 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 		s.latestConfigInput.BlockLANAccess = msg.BlockLanAccess
 	}
 
+	if msg.DisableNotifications != nil {
+		inputConfig.DisableNotifications = msg.DisableNotifications
+		s.latestConfigInput.DisableNotifications = msg.DisableNotifications
+	}
+
 	s.mutex.Unlock()
 
 	if msg.OptionalPreSharedKey != nil {
@@ -687,6 +692,7 @@ func (s *Server) Status(
 
 		fullStatus := s.statusRecorder.GetFullStatus()
 		pbFullStatus := toProtoFullStatus(fullStatus)
+		pbFullStatus.Events = s.statusRecorder.GetEventHistory()
 		statusResponse.FullStatus = pbFullStatus
 	}
 
@@ -736,17 +742,18 @@ func (s *Server) GetConfig(_ context.Context, _ *proto.GetConfigRequest) (*proto
 	}
 
 	return &proto.GetConfigResponse{
-		ManagementUrl:       managementURL,
+		ManagementUrl:        managementURL,
-		ConfigFile:          s.latestConfigInput.ConfigPath,
+		ConfigFile:           s.latestConfigInput.ConfigPath,
-		LogFile:             s.logFile,
+		LogFile:              s.logFile,
-		PreSharedKey:        preSharedKey,
+		PreSharedKey:         preSharedKey,
-		AdminURL:            adminURL,
+		AdminURL:             adminURL,
-		InterfaceName:       s.config.WgIface,
+		InterfaceName:        s.config.WgIface,
-		WireguardPort:       int64(s.config.WgPort),
+		WireguardPort:        int64(s.config.WgPort),
-		DisableAutoConnect:  s.config.DisableAutoConnect,
+		DisableAutoConnect:   s.config.DisableAutoConnect,
-		ServerSSHAllowed:    *s.config.ServerSSHAllowed,
+		ServerSSHAllowed:     *s.config.ServerSSHAllowed,
-		RosenpassEnabled:    s.config.RosenpassEnabled,
+		RosenpassEnabled:     s.config.RosenpassEnabled,
-		RosenpassPermissive: s.config.RosenpassPermissive,
+		RosenpassPermissive:  s.config.RosenpassPermissive,
+		DisableNotifications: s.config.DisableNotifications,
 	}, nil
 }
 func (s *Server) onSessionExpire() {

client/ui/client_ui.go

@@ -34,6 +34,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/system"
+	"github.com/netbirdio/netbird/client/ui/event"
 	"github.com/netbirdio/netbird/util"
 	"github.com/netbirdio/netbird/version"
 )
@@ -161,6 +162,7 @@ type serviceClient struct {
 	mAllowSSH         *systray.MenuItem
 	mAutoConnect      *systray.MenuItem
 	mEnableRosenpass  *systray.MenuItem
+	mNotifications    *systray.MenuItem
 	mAdvancedSettings *systray.MenuItem
 
 	// application with main windows.
@@ -196,6 +198,8 @@ type serviceClient struct {
 	isUpdateIconActive   bool
 	showRoutes           bool
 	wRoutes              fyne.Window
+
+	eventManager *event.Manager
 }
 
 // newServiceClient instance constructor
@@ -429,6 +433,7 @@ func (s *serviceClient) menuUpClick() error {
 		log.Errorf("up service: %v", err)
 		return err
 	}
+
 	return nil
 }
 
@@ -570,6 +575,7 @@ func (s *serviceClient) onTrayReady() {
 	s.mAllowSSH = s.mSettings.AddSubMenuItemCheckbox("Allow SSH", "Allow SSH connections", false)
 	s.mAutoConnect = s.mSettings.AddSubMenuItemCheckbox("Connect on Startup", "Connect automatically when the service starts", false)
 	s.mEnableRosenpass = s.mSettings.AddSubMenuItemCheckbox("Enable Quantum-Resistance", "Enable post-quantum security via Rosenpass", false)
+	s.mNotifications = s.mSettings.AddSubMenuItemCheckbox("Notifications", "Enable notifications", true)
 	s.mAdvancedSettings = s.mSettings.AddSubMenuItem("Advanced Settings", "Advanced settings of the application")
 	s.loadSettings()
 
@@ -606,6 +612,10 @@ func (s *serviceClient) onTrayReady() {
 		}
 	}()
 
+	s.eventManager = event.NewManager(s.app, s.addr)
+	s.eventManager.SetNotificationsEnabled(s.mNotifications.Checked())
+	go s.eventManager.Start(s.ctx)
+
 	go func() {
 		var err error
 		for {
@@ -680,7 +690,20 @@ func (s *serviceClient) onTrayReady() {
 					defer s.mRoutes.Enable()
 					s.runSelfCommand("networks", "true")
 				}()
+			case <-s.mNotifications.ClickedCh:
+				if s.mNotifications.Checked() {
+					s.mNotifications.Uncheck()
+				} else {
+					s.mNotifications.Check()
+				}
+				if s.eventManager != nil {
+					s.eventManager.SetNotificationsEnabled(s.mNotifications.Checked())
+				}
+				if err := s.updateConfig(); err != nil {
+					log.Errorf("failed to update config: %v", err)
+				}
 			}
+
 			if err != nil {
 				log.Errorf("process connection: %v", err)
 			}
@@ -780,8 +803,20 @@ func (s *serviceClient) getSrvConfig() {
 		if !cfg.RosenpassEnabled {
 			s.sRosenpassPermissive.Disable()
 		}
-
 	}
+
+	if s.mNotifications == nil {
+		return
+	}
+	if cfg.DisableNotifications {
+		s.mNotifications.Uncheck()
+	} else {
+		s.mNotifications.Check()
+	}
+	if s.eventManager != nil {
+		s.eventManager.SetNotificationsEnabled(s.mNotifications.Checked())
+	}
+
 }
 
 func (s *serviceClient) onUpdateAvailable() {
@@ -846,6 +881,15 @@ func (s *serviceClient) loadSettings() {
 	} else {
 		s.mEnableRosenpass.Uncheck()
 	}
+
+	if cfg.DisableNotifications {
+		s.mNotifications.Uncheck()
+	} else {
+		s.mNotifications.Check()
+	}
+	if s.eventManager != nil {
+		s.eventManager.SetNotificationsEnabled(s.mNotifications.Checked())
+	}
 }
 
 // updateConfig updates the configuration parameters
@@ -854,12 +898,14 @@ func (s *serviceClient) updateConfig() error {
 	disableAutoStart := !s.mAutoConnect.Checked()
 	sshAllowed := s.mAllowSSH.Checked()
 	rosenpassEnabled := s.mEnableRosenpass.Checked()
+	notificationsDisabled := !s.mNotifications.Checked()
 
 	loginRequest := proto.LoginRequest{
 		IsLinuxDesktopClient: runtime.GOOS == "linux",
 		ServerSSHAllowed:     &sshAllowed,
 		RosenpassEnabled:     &rosenpassEnabled,
 		DisableAutoConnect:   &disableAutoStart,
+		DisableNotifications: &notificationsDisabled,
 	}
 
 	if err := s.restartClient(&loginRequest); err != nil {

client/ui/event/event.go

@@ -0,0 +1,151 @@
+package event
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"sync"
+	"time"
+
+	"fyne.io/fyne/v2"
+	"github.com/cenkalti/backoff/v4"
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+
+	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/client/system"
+)
+
+type Manager struct {
+	app  fyne.App
+	addr string
+
+	mu      sync.Mutex
+	ctx     context.Context
+	cancel  context.CancelFunc
+	enabled bool
+}
+
+func NewManager(app fyne.App, addr string) *Manager {
+	return &Manager{
+		app:  app,
+		addr: addr,
+	}
+}
+
+func (e *Manager) Start(ctx context.Context) {
+	e.mu.Lock()
+	e.ctx, e.cancel = context.WithCancel(ctx)
+	e.mu.Unlock()
+
+	expBackOff := backoff.WithContext(&backoff.ExponentialBackOff{
+		InitialInterval:     time.Second,
+		RandomizationFactor: backoff.DefaultRandomizationFactor,
+		Multiplier:          backoff.DefaultMultiplier,
+		MaxInterval:         10 * time.Second,
+		MaxElapsedTime:      0,
+		Stop:                backoff.Stop,
+		Clock:               backoff.SystemClock,
+	}, ctx)
+
+	if err := backoff.Retry(e.streamEvents, expBackOff); err != nil {
+		log.Errorf("event stream ended: %v", err)
+	}
+}
+
+func (e *Manager) streamEvents() error {
+	e.mu.Lock()
+	ctx := e.ctx
+	e.mu.Unlock()
+
+	client, err := getClient(e.addr)
+	if err != nil {
+		return fmt.Errorf("create client: %w", err)
+	}
+
+	stream, err := client.SubscribeEvents(ctx, &proto.SubscribeRequest{})
+	if err != nil {
+		return fmt.Errorf("failed to subscribe to events: %w", err)
+	}
+
+	log.Info("subscribed to daemon events")
+	defer func() {
+		log.Info("unsubscribed from daemon events")
+	}()
+
+	for {
+		event, err := stream.Recv()
+		if err != nil {
+			return fmt.Errorf("error receiving event: %w", err)
+		}
+		e.handleEvent(event)
+	}
+}
+
+func (e *Manager) Stop() {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	if e.cancel != nil {
+		e.cancel()
+	}
+}
+
+func (e *Manager) SetNotificationsEnabled(enabled bool) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	e.enabled = enabled
+}
+
+func (e *Manager) handleEvent(event *proto.SystemEvent) {
+	e.mu.Lock()
+	enabled := e.enabled
+	e.mu.Unlock()
+
+	if !enabled {
+		return
+	}
+
+	title := e.getEventTitle(event)
+	e.app.SendNotification(fyne.NewNotification(title, event.UserMessage))
+}
+
+func (e *Manager) getEventTitle(event *proto.SystemEvent) string {
+	var prefix string
+	switch event.Severity {
+	case proto.SystemEvent_ERROR, proto.SystemEvent_CRITICAL:
+		prefix = "Error"
+	case proto.SystemEvent_WARNING:
+		prefix = "Warning"
+	default:
+		prefix = "Info"
+	}
+
+	var category string
+	switch event.Category {
+	case proto.SystemEvent_DNS:
+		category = "DNS"
+	case proto.SystemEvent_NETWORK:
+		category = "Network"
+	case proto.SystemEvent_AUTHENTICATION:
+		category = "Authentication"
+	case proto.SystemEvent_CONNECTIVITY:
+		category = "Connectivity"
+	default:
+		category = "System"
+	}
+
+	return fmt.Sprintf("%s: %s", prefix, category)
+}
+
+func getClient(addr string) (proto.DaemonServiceClient, error) {
+	conn, err := grpc.NewClient(
+		strings.TrimPrefix(addr, "tcp://"),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithUserAgent(system.GetDesktopUIUserAgent()),
+	)
+	if err != nil {
+		return nil, err
+	}
+	return proto.NewDaemonServiceClient(conn), nil
+}