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refactor: restructures LLDP service for safer state management (#961)

This commit is contained in:
Marc Brooks 2025-11-11 03:17:36 -06:00 committed by GitHub
parent 1e5184284f
commit 7ea59ba90c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
13 changed files with 242 additions and 193 deletions
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11
config.go
View File

@ -7,6 +7,7 @@ import (
"strconv"
"sync"
"github.com/guregu/null/v6"
"github.com/jetkvm/kvm/internal/confparser"
"github.com/jetkvm/kvm/internal/logging"
"github.com/jetkvm/kvm/internal/network/types"
@ -254,6 +255,16 @@ func LoadConfig() {
loadedConfig.KeyboardLayout = "en-US"
}
// fixup old lldp modes enabled and all are now rx_and_tx
if loadedConfig.NetworkConfig.LLDPMode.String == "enabled" || loadedConfig.NetworkConfig.LLDPMode.String == "all" {
loadedConfig.NetworkConfig.LLDPMode = null.StringFrom("rx_and_tx")
}
// fixup old lldp mode basic is now rx_only
if loadedConfig.NetworkConfig.LLDPMode.String == "basic" {
loadedConfig.NetworkConfig.LLDPMode = null.StringFrom("rx_only")
}
config = &loadedConfig
logging.GetRootLogger().UpdateLogLevel(config.DefaultLogLevel)

2
internal/confparser/confparser_test.go
View File

@ -39,7 +39,7 @@ type testNetworkConfig struct {
IPv6Mode null.String `json:"ipv6_mode" one_of:"slaac,dhcpv6,slaac_and_dhcpv6,static,link_local,disabled" default:"slaac"`
IPv6Static *testIPv6StaticConfig `json:"ipv6_static,omitempty" required_if:"IPv6Mode=static"`
LLDPMode null.String `json:"lldp_mode,omitempty" one_of:"disabled,basic,all" default:"basic"`
LLDPMode null.String `json:"lldp_mode,omitempty" one_of:"disabled,enabled,rx_only,tx_only,rx_and_tx,basic,all" default:"rx_and_tx"`
LLDPTxTLVs []string `json:"lldp_tx_tlvs,omitempty" one_of:"chassis,port,system,vlan" default:"chassis,port,system,vlan"`
MDNSMode null.String `json:"mdns_mode,omitempty" one_of:"disabled,auto,ipv4_only,ipv6_only" default:"auto"`
TimeSyncMode null.String `json:"time_sync_mode,omitempty" one_of:"ntp_only,ntp_and_http,http_only,custom" default:"ntp_and_http"`

70
internal/lldp/lldp.go
View File

@ -14,16 +14,18 @@ import (
var defaultLogger = logging.GetSubsystemLogger("lldp")
type RunningState struct {
Enabled bool
Running bool
Logger *zerolog.Logger
TPacket *afpacket.TPacket
Ctx context.Context
Cancel context.CancelFunc
}
type LLDP struct {
mu sync.RWMutex
l *zerolog.Logger
tPacketRx *afpacket.TPacket
tPacketTx *afpacket.TPacket
pktSourceRx *gopacket.PacketSource
enableRx bool
enableTx bool
interfaceName string
advertiseOptions *AdvertiseOptions
@ -32,15 +34,11 @@ type LLDP struct {
neighbors map[neighborCacheKey]Neighbor
neighborsMu sync.RWMutex
// State tracking
txRunning bool
txCtx context.Context
txCancel context.CancelFunc
Tx *RunningState
Rx *RunningState
rxRunning bool
pktSourceRx *gopacket.PacketSource
rxWaitGroup *sync.WaitGroup
rxCtx context.Context
rxCancel context.CancelFunc
}
type AdvertiseOptions struct {
@ -56,8 +54,6 @@ type AdvertiseOptions struct {
type Options struct {
InterfaceName string
AdvertiseOptions *AdvertiseOptions
EnableRx bool
EnableTx bool
OnChange func(neighbors []Neighbor)
Logger *zerolog.Logger
}
@ -74,54 +70,34 @@ func NewLLDP(opts *Options) *LLDP {
return &LLDP{
interfaceName: opts.InterfaceName,
advertiseOptions: opts.AdvertiseOptions,
enableRx: opts.EnableRx,
enableTx: opts.EnableTx,
rxWaitGroup: &sync.WaitGroup{},
l: opts.Logger,
neighbors: make(map[neighborCacheKey]Neighbor),
onChange: opts.OnChange,
Rx: &RunningState{},
Tx: &RunningState{},
rxWaitGroup: &sync.WaitGroup{},
l: opts.Logger,
}
}
func (l *LLDP) Start() error {
if l.enableRx {
if err := l.startRx(); err != nil {
return fmt.Errorf("failed to start RX: %w", err)
}
}
// Start TX if enabled
if l.enableTx {
if err := l.startTx(); err != nil {
return fmt.Errorf("failed to start TX: %w", err)
}
}
return nil
}
// StartRx starts the LLDP receiver if not already running
func (l *LLDP) startRx() error {
l.mu.RLock()
running := l.rxRunning
enabled := l.enableRx
running := l.Rx.Running
enabled := l.Rx.Enabled
l.mu.RUnlock()
if running || !enabled {
return nil
}
if err := l.setUpCapture(); err != nil {
return fmt.Errorf("failed to set up capture: %w", err)
}
return l.startCapture()
}
// SetAdvertiseOptions updates the advertise options and resends LLDP packets if TX is running
func (l *LLDP) SetAdvertiseOptions(opts *AdvertiseOptions) error {
l.mu.Lock()
txRunning := l.txRunning
logger := l.l
txRunning := l.Tx.Running
l.advertiseOptions = opts
l.mu.Unlock()
@ -130,7 +106,7 @@ func (l *LLDP) SetAdvertiseOptions(opts *AdvertiseOptions) error {
if err := l.sendTxPackets(); err != nil {
return fmt.Errorf("failed to resend LLDP packet with new options: %w", err)
}
l.l.Info().Msg("advertise options changed, resent LLDP packet")
logger.Info().Msg("advertise options changed, resent LLDP packet")
}
return nil
@ -138,8 +114,8 @@ func (l *LLDP) SetAdvertiseOptions(opts *AdvertiseOptions) error {
func (l *LLDP) SetRxAndTx(rx, tx bool) error {
l.mu.Lock()
l.enableRx = rx
l.enableTx = tx
l.Rx.Enabled = rx
l.Tx.Enabled = tx
l.mu.Unlock()
// if rx is enabled, start the RX

148
internal/lldp/rx.go
View File

@ -2,6 +2,7 @@ package lldp
import (
"context"
"errors"
"fmt"
"io"
"net"
@ -10,6 +11,7 @@ import (
"time"
"github.com/google/gopacket"
"github.com/google/gopacket/afpacket"
"github.com/google/gopacket/layers"
"github.com/rs/zerolog"
)
@ -30,21 +32,7 @@ var multicastAddrs = []string{
"01:00:0C:CC:CC:CC",
}
func (l *LLDP) setUpCapture() error {
l.mu.Lock()
defer l.mu.Unlock()
if l.tPacketRx != nil {
return nil
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
tPacketRx, err := afPacketNewTPacket(l.interfaceName)
if err != nil {
return err
}
logger.Info().Msg("created TPacketRx")
func (l *LLDP) setUpPacketSourceUnderLock(tPacket *afpacket.TPacket, logger *zerolog.Logger) (*gopacket.PacketSource, error) {
// set up multicast addresses
// otherwise the kernel might discard the packets
// another workaround would be to enable promiscuous mode but that's too tricky
@ -72,23 +60,31 @@ func (l *LLDP) setUpCapture() error {
Msg("added multicast address")
}
if err = tPacketRx.SetBPF(bpfFilter); err != nil {
if err := tPacket.SetBPF(bpfFilter); err != nil {
logger.Error().
Err(err).
Msg("unable to set BPF filter")
tPacketRx.Close()
return err
return nil, err
}
logger.Info().Msg("BPF filter set")
l.pktSourceRx = gopacket.NewPacketSource(tPacketRx, layers.LayerTypeEthernet)
l.tPacketRx = tPacketRx
return nil
return gopacket.NewPacketSource(tPacket, layers.LayerTypeEthernet), nil
}
func (l *LLDP) doCapture(logger *zerolog.Logger) {
if l.pktSourceRx == nil || l.rxCtx == nil {
func (l *LLDP) doCapture() {
l.mu.Lock()
l.Rx.Running = true
ctx := l.Rx.Ctx
logger := l.Rx.Logger
l.mu.Unlock()
defer func() {
l.mu.Lock()
l.Rx.Running = false
l.mu.Unlock()
}()
if l.pktSourceRx == nil || ctx == nil {
logger.Error().Msg("packet source or RX context not initialized")
return
}
@ -101,7 +97,7 @@ func (l *LLDP) doCapture(logger *zerolog.Logger) {
for {
// check if the context is done before blocking call
select {
case <-l.rxCtx.Done():
case <-ctx.Done():
logger.Info().Msg("RX context cancelled")
return
default:
@ -109,7 +105,6 @@ func (l *LLDP) doCapture(logger *zerolog.Logger) {
logger.Trace().Msg("waiting for next packet")
packet, err := l.pktSourceRx.NextPacket()
logger.Trace().Interface("packet", packet).Err(err).Msg("got next packet")
if err != nil {
logger.Error().
@ -117,16 +112,22 @@ func (l *LLDP) doCapture(logger *zerolog.Logger) {
Msg("error getting next packet")
// Immediately break for known unrecoverable errors
if err == io.EOF || err == io.ErrUnexpectedEOF ||
err == io.ErrNoProgress || err == io.ErrClosedPipe || err == io.ErrShortBuffer ||
err == syscall.EBADF ||
if errors.Is(err, io.EOF) ||
errors.Is(err, io.ErrUnexpectedEOF) ||
errors.Is(err, io.ErrNoProgress) ||
errors.Is(err, io.ErrClosedPipe) ||
errors.Is(err, io.ErrShortBuffer) ||
errors.Is(err, syscall.EBADF) ||
strings.Contains(err.Error(), "use of closed file") {
logger.Error().Msg("unrecoverable error, stopping capture")
return
}
continue
}
logger.Trace().Interface("packet", packet).Msg("got next packet")
if err := l.handlePacket(packet, logger); err != nil {
logger.Error().
Err(err).
@ -136,30 +137,51 @@ func (l *LLDP) doCapture(logger *zerolog.Logger) {
}
}
func (l *LLDP) startCapture() error {
func (l *LLDP) prepareCapture() (bool, error) {
l.mu.Lock()
defer l.mu.Unlock()
if l.rxRunning {
return nil // Already running
if l.Rx.Running {
l.l.Debug().Msg("LLDP receiver already running")
return false, nil // Already running
}
if l.tPacketRx == nil {
return fmt.Errorf("AFPacket not initialized")
}
if l.pktSourceRx == nil {
return fmt.Errorf("packet source not initialized")
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
logger := l.l.With().Str("interface", l.interfaceName).Str("direction", "rx").Logger()
logger.Info().Msg("starting capture LLDP ethernet frames")
// Create a new context for this instance
l.rxCtx, l.rxCancel = context.WithCancel(context.Background())
l.rxRunning = true
tPacket, err := afPacketNewTPacket(l.interfaceName)
if err != nil {
logger.Error().Err(err).Msg("could not create TPacket instance for receiving LLDP packets")
return false, err
}
go l.doCapture(&logger)
l.pktSourceRx, err = l.setUpPacketSourceUnderLock(tPacket, &logger)
if err != nil {
logger.Error().Err(err).Msg("could not create packet source for receiving LLDP packets")
tPacket.Close()
return false, err
}
runningState := &RunningState{Enabled: true, Logger: &logger}
runningState.Ctx, runningState.Cancel = context.WithCancel(context.Background())
runningState.TPacket = tPacket
l.Rx = runningState
logger.Debug().Msg("created packet source for receiving LLDP packets")
return true, nil
}
func (l *LLDP) startCapture() error {
// set up the logger and context (inside a lock)
startRunning, err := l.prepareCapture()
if err != nil {
return err
}
if startRunning {
go l.doCapture()
}
return nil
}
@ -182,7 +204,7 @@ func (l *LLDP) handlePacket(packet gopacket.Packet, logger *zerolog.Logger) erro
lldpRaw := packet.Layer(layers.LayerTypeLinkLayerDiscovery)
if lldpRaw != nil {
l.l.Trace().Hex("packet", packet.Data()).Msg("received LLDP frame")
logger.Trace().Hex("packet", packet.Data()).Msg("received LLDP frame")
lldpInfo := packet.Layer(layers.LayerTypeLinkLayerDiscoveryInfo)
if lldpInfo == nil {
@ -198,7 +220,7 @@ func (l *LLDP) handlePacket(packet gopacket.Packet, logger *zerolog.Logger) erro
cdpRaw := packet.Layer(layers.LayerTypeCiscoDiscovery)
if cdpRaw != nil {
l.l.Trace().Hex("packet", packet.Data()).Msg("received CDP frame")
logger.Trace().Hex("packet", packet.Data()).Msg("received CDP frame")
cdpInfo := packet.Layer(layers.LayerTypeCiscoDiscoveryInfo)
if cdpInfo == nil {
@ -335,32 +357,33 @@ func (l *LLDP) stopCapture() error {
l.mu.Lock()
defer l.mu.Unlock()
if !l.rxRunning {
if !l.Rx.Running {
return nil // Already stopped
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
logger := l.Rx.Logger
rxCancel := l.Rx.Cancel
tPacket := l.Rx.TPacket
logger.Info().Msg("stopping LLDP receiver")
// Cancel context to signal stop
rxCancel := l.rxCancel
if rxCancel != nil {
l.Rx.Cancel = nil // so we don't cancel again
rxCancel()
l.rxCancel = nil
logger.Info().Msg("cancelled RX context, waiting for goroutine to finish")
}
// stop the TPacketRx
go func() {
if l.tPacketRx == nil {
if tPacket == nil {
return
}
// write an empty packet to the TPacketRx to interrupt the blocking read
// it's a shitty workaround until https://github.com/google/gopacket/pull/777 is merged,
// or we have a better solution, see https://github.com/google/gopacket/issues/1064
_ = l.tPacketRx.WritePacketData([]byte{})
_ = tPacket.WritePacketData([]byte{})
}()
// wait for the goroutine to finish
@ -368,19 +391,20 @@ func (l *LLDP) stopCapture() error {
l.rxWaitGroup.Wait()
logger.Info().Dur("duration", time.Since(start)).Msg("RX goroutine finished")
l.rxRunning = false
if l.tPacketRx != nil {
logger.Info().Msg("closing TPacketRx")
l.tPacketRx.Close()
l.tPacketRx = nil
}
l.Rx.Running = false
// close the packet source first because it's constructed with the Rx.TPacket
if l.pktSourceRx != nil {
logger.Info().Msg("closing packet source")
l.pktSourceRx = nil
}
if tPacket != nil {
logger.Info().Msg("closing RX TPacket")
tPacket.Close()
l.Rx.TPacket = nil
}
return nil
}

119
internal/lldp/tx.go
View File

@ -9,7 +9,6 @@ import (
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/rs/zerolog"
)
var (
@ -17,14 +16,10 @@ var (
lldpEtherType = layers.EthernetTypeLinkLayerDiscovery
)
func (l *LLDP) toPayloadValues() []layers.LinkLayerDiscoveryValue {
func (l *LLDP) toPayloadValues(opts *AdvertiseOptions) []layers.LinkLayerDiscoveryValue {
// See also: layers.LinkLayerDiscovery.SerializeTo()
r := []layers.LinkLayerDiscoveryValue{}
l.mu.RLock()
opts := l.advertiseOptions
l.mu.RUnlock()
if opts == nil {
return r
}
@ -74,35 +69,31 @@ func (l *LLDP) toPayloadValues() []layers.LinkLayerDiscoveryValue {
func (l *LLDP) setUpTx() error {
l.mu.Lock()
defer l.mu.Unlock()
// Check if already set up (double-check pattern to prevent duplicate setup)
if l.tPacketTx != nil {
if l.Tx.TPacket != nil {
return nil
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
tPacketTx, err := afPacketNewTPacket(l.interfaceName)
logger := l.l.With().Str("interface", l.interfaceName).Str("direction", "tx").Logger()
txState := &RunningState{Enabled: true, Logger: &logger}
txState.Ctx, txState.Cancel = context.WithCancel(context.Background())
var err error
txState.TPacket, err = afPacketNewTPacket(l.interfaceName)
if err != nil {
return err
}
logger.Info().Msg("created TPacket instance for sending LLDP packets")
l.tPacketTx = tPacketTx
l.Tx = txState
return nil
}
func (l *LLDP) sendTxPackets() error {
l.mu.RLock()
defer l.mu.RUnlock()
logger := l.l.With().Str("interface", l.interfaceName).Logger()
iface, err := net.InterfaceByName(l.interfaceName)
func (l *LLDP) generateTxPackets(interfaceName string, opts *AdvertiseOptions) (gopacket.SerializeBuffer, error) {
iface, err := net.InterfaceByName(interfaceName)
if err != nil {
return err
}
if l.tPacketTx == nil {
return fmt.Errorf("AFPacket not initialized")
return nil, err
}
// create payload
@ -122,46 +113,76 @@ func (l *LLDP) sendTxPackets() error {
ID: []byte(iface.Name),
},
TTL: uint16(3600),
Values: l.toPayloadValues(),
Values: l.toPayloadValues(opts),
}
buf := gopacket.NewSerializeBuffer()
if err := gopacket.SerializeLayers(buf, gopacket.SerializeOptions{
err = gopacket.SerializeLayers(buf, gopacket.SerializeOptions{
FixLengths: true,
ComputeChecksums: true,
}, &ethFrame, &lldpFrame); err != nil {
l.l.Error().Err(err).Msg("unable to serialize packet")
}, &ethFrame, &lldpFrame)
if err != nil {
return nil, err
}
return buf, nil
}
func (l *LLDP) sendTxPackets() error {
l.mu.RLock()
interfaceName := l.interfaceName
opts := l.advertiseOptions
logger := l.Tx.Logger
tPacket := l.Tx.TPacket
l.mu.RUnlock()
if tPacket == nil {
logger.Error().Msg("AFPacket not initialized for Tx")
return fmt.Errorf("AFPacket not initialized for Tx")
}
logger.Trace().Msg("generating LLDP Tx packets")
buf, err := l.generateTxPackets(interfaceName, opts)
if err != nil {
logger.Error().Err(err).Msg("unable to serialize packet")
return err
}
logger.Trace().Hex("packet", buf.Bytes()).Msg("sending LLDP packet")
start := time.Now()
// send packet
if err := l.tPacketTx.WritePacketData(buf.Bytes()); err != nil {
l.l.Error().Err(err).Msg("unable to send packet")
if err := tPacket.WritePacketData(buf.Bytes()); err != nil {
logger.Error().Err(err).Msg("unable to send packet")
return err
}
logger.Info().Dur("duration", time.Since(start)).Msg("sent LLDP packet")
return nil
}
const txInterval = 30 * time.Second // Standard LLDP transmission interval
func (l *LLDP) doSendPeriodically(logger *zerolog.Logger, txCtx context.Context) {
func (l *LLDP) doSendPeriodically() {
l.mu.Lock()
l.txRunning = true
l.Tx.Running = true
logger := l.Tx.Logger
txCtx := l.Tx.Ctx
l.mu.Unlock()
defer func() {
l.mu.Lock()
l.txRunning = false
l.Tx.Running = false
l.mu.Unlock()
}()
logger.Info().Msg("starting LLDP transmitter")
ticker := time.NewTicker(txInterval)
defer ticker.Stop()
// Send initial packet immediately
logger.Trace().Msg("sending initial LLDP packet")
if err := l.sendTxPackets(); err != nil {
logger.Error().Err(err).Msg("error sending initial LLDP packet")
}
@ -169,6 +190,7 @@ func (l *LLDP) doSendPeriodically(logger *zerolog.Logger, txCtx context.Context)
for {
select {
case <-ticker.C:
logger.Trace().Msg("time to send periodic LLDP packet")
if err := l.sendTxPackets(); err != nil {
logger.Error().Err(err).Msg("error sending LLDP packet")
}
@ -181,50 +203,45 @@ func (l *LLDP) doSendPeriodically(logger *zerolog.Logger, txCtx context.Context)
func (l *LLDP) startTx() error {
l.mu.RLock()
running := l.txRunning
enabled := l.enableTx
cancel := l.txCancel
logger := l.l
running := l.Tx.Running
enabled := l.Tx.Enabled
previousCancel := l.Tx.Cancel
l.mu.RUnlock()
if running || !enabled {
logger.Trace().Bool("running", running).Bool("enabled", enabled).Msg("alrady running Tx or not enabled")
return nil
}
if cancel != nil {
cancel()
if previousCancel != nil {
logger.Trace().Msg("stopping previous Tx context before starting new one")
previousCancel()
}
l.mu.Lock()
l.txCtx, l.txCancel = context.WithCancel(context.Background())
l.mu.Unlock()
if err := l.setUpTx(); err != nil {
return fmt.Errorf("failed to set up TX: %w", err)
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
logger.Info().Msg("starting LLDP transmitter")
go l.doSendPeriodically(&logger, l.txCtx)
go l.doSendPeriodically()
return nil
}
func (l *LLDP) stopTx() error {
l.mu.Lock()
if !l.txRunning {
if !l.Tx.Running {
l.mu.Unlock()
return nil // Already stopped
}
logger := l.l.With().Str("interface", l.interfaceName).Logger()
logger.Info().Msg("stopping LLDP transmitter")
// Cancel context to signal stop
txCancel := l.txCancel
l.txRunning = false
txCancel := l.Tx.Cancel
l.Tx.Running = false
l.mu.Unlock()
l.Tx.Logger.Info().Msg("stopping LLDP transmitter")
// Cancel context (goroutine will handle cleanup)
if txCancel != nil {
txCancel()

4
internal/network/types/config.go
View File

@ -42,7 +42,7 @@ type NetworkConfig struct {
IPv6Mode null.String `json:"ipv6_mode,omitempty" one_of:"slaac,dhcpv6,slaac_and_dhcpv6,static,link_local,disabled" default:"slaac"`
IPv6Static *IPv6StaticConfig `json:"ipv6_static,omitempty" required_if:"IPv6Mode=static"`
LLDPMode null.String `json:"lldp_mode,omitempty" one_of:"disabled,rx_only,tx_only,rx_and_tx,basic,all" default:"rx_and_tx"`
LLDPMode null.String `json:"lldp_mode,omitempty" one_of:"disabled,enabled,rx_only,tx_only,rx_and_tx,basic,all" default:"rx_and_tx"`
LLDPTxTLVs []string `json:"lldp_tx_tlvs,omitempty" one_of:"chassis,port,system,vlan" default:"chassis,port,system,vlan"`
MDNSMode null.String `json:"mdns_mode,omitempty" one_of:"disabled,auto,ipv4_only,ipv6_only" default:"auto"`
TimeSyncMode null.String `json:"time_sync_mode,omitempty" one_of:"ntp_only,ntp_and_http,http_only,custom" default:"ntp_and_http"`
@ -54,7 +54,7 @@ type NetworkConfig struct {
}
func (c *NetworkConfig) ShouldEnableLLDPTransmit() bool {
// backwards compatibility: `basic` mode will be `rx_only` due to privacy concerns
// backwards compatibility: `basic` mode will be `rx_only` due to privacy concerns, `enabled` and `all` will enable transmit
return c.LLDPMode.String != "rx_only" && c.LLDPMode.String != "disabled" && c.LLDPMode.String != "basic"
}

8
main.go
View File

@ -15,6 +15,14 @@ var appCtx context.Context
func Main() {
logger.Log().Msg("JetKVM Starting Up")
// add recover to ensure we log out any panic
defer func() {
if r := recover(); r != nil {
logger.Panic().Interface("recovered", r).Msg("Uncaught panic")
}
}()
LoadConfig()
var cancel context.CancelFunc

22
network.go
View File

@ -185,12 +185,20 @@ func initNetwork() error {
nm := nmlite.NewNetworkManager(context.Background(), networkLogger)
networkLogger.Info().Interface("networkConfig", nc).Str("hostname", nc.Hostname.String).Str("domain", nc.Domain.String).Msg("initializing network manager")
_ = setHostname(nm, nc.Hostname.String, nc.Domain.String)
if err := setHostname(nm, nc.Hostname.String, nc.Domain.String); err != nil {
networkLogger.Warn().Err(err).Msg("failed to set hostname")
}
nm.SetOnInterfaceStateChange(networkStateChanged)
if err := nm.AddInterface(NetIfName, nc); err != nil {
return fmt.Errorf("failed to add interface: %w", err)
}
_ = nm.CleanUpLegacyDHCPClients()
if err := nm.CleanUpLegacyDHCPClients(); err != nil {
networkLogger.Warn().Err(err).Msg("failed to clean up legacy DHCP clients")
}
networkManager = nm
@ -202,8 +210,6 @@ func initNetwork() error {
advertiseOptions := getLLDPAdvertiseOptions(ifState)
lldpService = lldp.NewLLDP(&lldp.Options{
InterfaceName: NetIfName,
EnableRx: nc.ShouldEnableLLDPReceive(),
EnableTx: nc.ShouldEnableLLDPTransmit(),
AdvertiseOptions: advertiseOptions,
OnChange: func(neighbors []lldp.Neighbor) {
// TODO: send deltas instead of the whole list
@ -211,8 +217,10 @@ func initNetwork() error {
},
Logger: networkLogger,
})
if err := lldpService.Start(); err != nil {
networkLogger.Error().Err(err).Msg("failed to start LLDP service")
// this will start up the LLDP Tx and Rx as needed
if err := lldpService.SetRxAndTx(nc.ShouldEnableLLDPReceive(), nc.ShouldEnableLLDPTransmit()); err != nil {
networkLogger.Error().Err(err).Msg("failed to initialize LLDP RX and TX")
}
return nil
@ -233,7 +241,7 @@ func updateLLDPOptions(nc *types.NetworkConfig, ifState *types.InterfaceState) {
}
if err := lldpService.SetRxAndTx(nc.ShouldEnableLLDPReceive(), nc.ShouldEnableLLDPTransmit()); err != nil {
networkLogger.Error().Err(err).Msg("failed to set LLDP RX and TX")
networkLogger.Error().Err(err).Msg("failed to update LLDP RX and TX")
}
if ifState == nil {

2
pkg/nmlite/link/manager.go
View File

@ -414,7 +414,7 @@ func (nm *NetlinkManager) reconcileDefaultRoute(link *Link, expected map[string]
// add remaining expected default routes
for _, gateway := range expected {
nm.logger.Warn().Str("gateway", gateway.String()).Msg("adding default route")
nm.logger.Info().Str("gateway", gateway.String()).Msg("adding default route")
route := &netlink.Route{
Dst: &ipv4DefaultRoute,

13
ui/localization/messages/en.json
View File

@ -634,12 +634,21 @@
"network_ipv6_mode_title": "IPv6 Mode",
"network_ipv6_prefix": "IP Prefix",
"network_ipv6_prefix_invalid": "Prefix must be between 0 and 128",
"network_ll_dp_chassis_id": "Chassis ID",
"network_ll_dp_description": "Control which TLVs will be sent over Link Layer Discovery Protocol",
"network_ll_dp_disabled": "Disabled",
"network_ll_dp_rx_only": "Receive only",
"network_ll_dp_tx_only": "Transmit only",
"network_ll_dp_mac_address": "MAC Address",
"network_ll_dp_management_address": "Management Address",
"network_ll_dp_neighbors": "LLDP Neighbors",
"network_ll_dp_port_description": "Port Description",
"network_ll_dp_port_id": "Port ID",
"network_ll_dp_rx_and_tx": "Receive and transmit",
"network_ll_dp_rx_only": "Receive only",
"network_ll_dp_source": "Source",
"network_ll_dp_system_description": "System Description",
"network_ll_dp_system_name": "System Name",
"network_ll_dp_title": "LLDP",
"network_ll_dp_tx_only": "Transmit only",
"network_mac_address_copy_error": "Failed to copy MAC address",
"network_mac_address_copy_success": "MAC address { mac } copied to clipboard",
"network_mac_address_description": "Hardware identifier for the network interface",

26
ui/src/components/LLDPNeighborsCard.tsx
View File

@ -1,9 +1,7 @@
import { LLDPNeighbor } from "@hooks/stores";
import { GridCard } from "@components/Card";
import { cx } from "@/cva.config";
import { LLDPNeighbor } from "../hooks/stores";
import { GridCard } from "./Card";
import { m } from "@localizations/messages";
interface LLDPDataLineProps {
label: string;
@ -31,7 +29,7 @@ export default function LLDPNeighborsCard({
<div className="animate-fadeIn p-4 text-black opacity-0 animation-duration-500 dark:text-white">
<div className="space-y-4">
<h3 className="text-base font-bold text-slate-900 dark:text-white">
LLDP Neighbors
{m.network_ll_dp_neighbors()}
</h3>
<div className="space-y-3 pt-2">
@ -46,37 +44,37 @@ export default function LLDPNeighborsCard({
<div className="grid grid-cols-2 gap-x-8 gap-y-4">
{neighbor.system_name && (
<LLDPDataLine label="System Name" value={neighbor.system_name} />
<LLDPDataLine label={m.network_ll_dp_system_name()} value={neighbor.system_name} />
)}
{neighbor.system_description && (
<LLDPDataLine label="System Description" value={neighbor.system_description} className="col-span-2" />
<LLDPDataLine label={m.network_ll_dp_system_description()} value={neighbor.system_description} className="col-span-2" />
)}
{neighbor.chassis_id && (
<LLDPDataLine label="Chassis ID" value={neighbor.chassis_id} />
<LLDPDataLine label={m.network_ll_dp_chassis_id()} value={neighbor.chassis_id} />
)}
{neighbor.port_id && (
<LLDPDataLine label="Port ID" value={neighbor.port_id} />
<LLDPDataLine label={m.network_ll_dp_port_id()} value={neighbor.port_id} />
)}
{neighbor.port_description && (
<LLDPDataLine label="Port Description" value={neighbor.port_description} />
<LLDPDataLine label={m.network_ll_dp_port_description()} value={neighbor.port_description} />
)}
{neighbor.management_addresses && neighbor.management_addresses.length > 0 && (
neighbor.management_addresses.map((address, index) => (
<LLDPDataLine label="Management Address" value={address.address} key={index} />
<LLDPDataLine label={m.network_ll_dp_management_address()} value={address.address} key={index} />
))
)}
{neighbor.mac && (
<LLDPDataLine label="MAC Address" value={neighbor.mac} className="font-mono" />
<LLDPDataLine label={m.network_ll_dp_mac_address()} value={neighbor.mac} className="font-mono" />
)}
{neighbor.source && (
<LLDPDataLine label="Source" value={neighbor.source} />
<LLDPDataLine label={m.network_ll_dp_source()} value={neighbor.source} />
)}
</div>
</div>

2
ui/src/hooks/stores.ts
View File

@ -835,8 +835,6 @@ export const useNetworkStateStore = create<NetworkState>((set, get) => ({
},
}));
export interface LLDPNeighborsState {
neighbors: LLDPNeighbor[];
setNeighbors: (neighbors: LLDPNeighbor[]) => void;

6
ui/src/routes/devices.$id.settings.network.tsx
View File

@ -16,9 +16,10 @@ import EmptyCard from "@components/EmptyCard";
import { GridCard } from "@components/Card";
import InputField, { InputFieldWithLabel } from "@components/InputField";
import Ipv6NetworkCard from "@components/Ipv6NetworkCard";
import { SelectMenuBasic } from "@/components/SelectMenuBasic";
import LLDPNeighborsCard from "@components/LLDPNeighborsCard";
import { SelectMenuBasic } from "@components/SelectMenuBasic";
import { SettingsItem } from "@components/SettingsItem";
import { SettingsPageHeader } from "@/components/SettingsPageheader";
import { SettingsPageHeader } from "@components/SettingsPageheader";
import StaticIpv4Card from "@components/StaticIpv4Card";
import StaticIpv6Card from "@components/StaticIpv6Card";
import { useCopyToClipboard } from "@components/useCopyToClipBoard";
@ -26,7 +27,6 @@ import { netMaskFromCidr4 } from "@/utils/ip";
import { getNetworkSettings, getNetworkState, getLLDPNeighbors } from "@/utils/jsonrpc";
import notifications from "@/notifications";
import { m } from "@localizations/messages";
import LLDPNeighborsCard from "@components/LLDPNeighborsCard";
dayjs.extend(relativeTime);