Add prometheus exporter

Updates #6
This commit is contained in:
Cuong Manh Le
2024-01-09 01:42:50 +07:00
committed by Cuong Manh Le
parent 44352f8006
commit 71f26a6d81
12 changed files with 363 additions and 18 deletions

View File

@@ -719,6 +719,10 @@ NOTE: Uninstalling will set DNS to values provided by DHCP.`,
sort.Strings(s)
return s
}
// If metrics is enabled, server set this for all clients, so we can check only the first one.
// Ideally, we may have a field in response to indicate that query count should be shown, but
// it would break earlier version of ctrld, which only look list of clients in response.
withQueryCount := len(clients) > 0 && clients[0].IncludeQueryCount
data := make([][]string, len(clients))
for i, c := range clients {
row := []string{
@@ -727,10 +731,17 @@ NOTE: Uninstalling will set DNS to values provided by DHCP.`,
c.Mac,
strings.Join(map2Slice(c.Source), ","),
}
if withQueryCount {
row = append(row, strconv.FormatInt(c.QueryCount, 10))
}
data[i] = row
}
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"IP", "Hostname", "Mac", "Discovered"})
headers := []string{"IP", "Hostname", "Mac", "Discovered"}
if withQueryCount {
headers = append(headers, "Queries")
}
table.SetHeader(headers)
table.SetAutoFormatHeaders(false)
table.AppendBulk(data)
table.Render()

View File

@@ -10,6 +10,8 @@ import (
"sort"
"time"
dto "github.com/prometheus/client_model/go"
"github.com/Control-D-Inc/ctrld"
)
@@ -66,6 +68,25 @@ func (p *prog) registerControlServerHandler() {
sort.Slice(clients, func(i, j int) bool {
return clients[i].IP.Less(clients[j].IP)
})
if p.cfg.Service.MetricsQueryStats {
for _, client := range clients {
client.IncludeQueryCount = true
dm := &dto.Metric{}
m, err := statsClientQueriesCount.MetricVec.GetMetricWithLabelValues(
client.IP.String(),
client.Mac,
client.Hostname,
)
if err != nil {
mainLog.Load().Debug().Err(err).Msgf("could not get metrics for client: %v", client)
continue
}
if err := m.Write(dm); err == nil {
client.QueryCount = int64(dm.Counter.GetValue())
}
}
}
if err := json.NewEncoder(w).Encode(&clients); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return

View File

@@ -54,6 +54,14 @@ type proxyRequest struct {
ufr *upstreamForResult
}
// proxyResponse contains data for proxying a DNS response from upstream.
type proxyResponse struct {
answer *dns.Msg
cached bool
clientInfo bool
upstream string
}
// upstreamForResult represents the result of processing rules for a request.
type upstreamForResult struct {
upstreams []string
@@ -101,26 +109,49 @@ func (p *prog) serveDNS(listenerNum string) error {
fmtSrcToDest := fmtRemoteToLocal(listenerNum, ci.Hostname, remoteAddr.String())
t := time.Now()
ctrld.Log(ctx, mainLog.Load().Info(), "QUERY: %s: %s %s", fmtSrcToDest, dns.TypeToString[q.Qtype], domain)
res := p.upstreamFor(ctx, listenerNum, listenerConfig, remoteAddr, ci.Mac, domain)
ur := p.upstreamFor(ctx, listenerNum, listenerConfig, remoteAddr, ci.Mac, domain)
labelValues := make([]string, 0, len(statsQueriesCountLabels))
labelValues = append(labelValues, net.JoinHostPort(listenerConfig.IP, strconv.Itoa(listenerConfig.Port)))
labelValues = append(labelValues, ci.IP)
labelValues = append(labelValues, ci.Mac)
labelValues = append(labelValues, ci.Hostname)
var answer *dns.Msg
if !res.matched && listenerConfig.Restricted {
if !ur.matched && listenerConfig.Restricted {
ctrld.Log(ctx, mainLog.Load().Info(), "query refused, %s does not match any network policy", remoteAddr.String())
answer = new(dns.Msg)
answer.SetRcode(m, dns.RcodeRefused)
labelValues = append(labelValues, "") // no upstream
} else {
var failoverRcode []int
if listenerConfig.Policy != nil {
failoverRcode = listenerConfig.Policy.FailoverRcodeNumbers
}
answer = p.proxy(ctx, &proxyRequest{
pr := p.proxy(ctx, &proxyRequest{
msg: m,
ci: ci,
failoverRcodes: failoverRcode,
ufr: res,
ufr: ur,
})
answer = pr.answer
rtt := time.Since(t)
ctrld.Log(ctx, mainLog.Load().Debug(), "received response of %d bytes in %s", answer.Len(), rtt)
upstream := pr.upstream
switch {
case pr.cached:
upstream = "cache"
case pr.clientInfo:
upstream = "client_info_table"
}
labelValues = append(labelValues, upstream)
}
labelValues = append(labelValues, dns.TypeToString[q.Qtype])
labelValues = append(labelValues, dns.RcodeToString[answer.Rcode])
go func() {
p.WithLabelValuesInc(statsQueriesCount, labelValues...)
p.WithLabelValuesInc(statsClientQueriesCount, []string{ci.IP, ci.Mac, ci.Hostname}...)
}()
if err := w.WriteMsg(answer); err != nil {
ctrld.Log(ctx, mainLog.Load().Error().Err(err), "serveDNS: failed to send DNS response to client")
}
@@ -360,7 +391,7 @@ func (p *prog) proxyLanHostnameQuery(ctx context.Context, msg *dns.Msg) *dns.Msg
return nil
}
func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
func (p *prog) proxy(ctx context.Context, req *proxyRequest) *proxyResponse {
var staleAnswer *dns.Msg
upstreams := req.ufr.upstreams
serveStaleCache := p.cache != nil && p.cfg.Service.CacheServeStale
@@ -370,6 +401,8 @@ func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
upstreams = []string{upstreamOS}
}
res := &proxyResponse{}
// LAN/PTR lookup flow:
//
// 1. If there's matching rule, follow it.
@@ -384,14 +417,18 @@ func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
case isPrivatePtrLookup(req.msg):
isLanOrPtrQuery = true
if answer := p.proxyPrivatePtrLookup(ctx, req.msg); answer != nil {
return answer
res.answer = answer
res.clientInfo = true
return res
}
upstreams, upstreamConfigs = p.upstreamsAndUpstreamConfigForLanAndPtr(upstreams, upstreamConfigs)
ctrld.Log(ctx, mainLog.Load().Debug(), "private PTR lookup, using upstreams: %v", upstreams)
case isLanHostnameQuery(req.msg):
isLanOrPtrQuery = true
if answer := p.proxyLanHostnameQuery(ctx, req.msg); answer != nil {
return answer
res.answer = answer
res.clientInfo = true
return res
}
upstreams, upstreamConfigs = p.upstreamsAndUpstreamConfigForLanAndPtr(upstreams, upstreamConfigs)
ctrld.Log(ctx, mainLog.Load().Debug(), "lan hostname lookup, using upstreams: %v", upstreams)
@@ -413,7 +450,9 @@ func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
if cachedValue.Expire.After(now) {
ctrld.Log(ctx, mainLog.Load().Debug(), "hit cached response")
setCachedAnswerTTL(answer, now, cachedValue.Expire)
return answer
res.answer = answer
res.cached = true
return res
}
staleAnswer = answer
}
@@ -475,7 +514,9 @@ func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
ctrld.Log(ctx, mainLog.Load().Debug(), "serving stale cached response")
now := time.Now()
setCachedAnswerTTL(staleAnswer, now, now.Add(staleTTL))
return staleAnswer
res.answer = staleAnswer
res.cached = true
return res
}
continue
}
@@ -509,12 +550,15 @@ func (p *prog) proxy(ctx context.Context, req *proxyRequest) *dns.Msg {
hostname = req.ci.Hostname
}
ctrld.Log(ctx, mainLog.Load().Info(), "REPLY: %s -> %s (%s): %s", upstreams[n], req.ufr.srcAddr, hostname, dns.RcodeToString[answer.Rcode])
return answer
res.answer = answer
res.upstream = upstreamConfig.Endpoint
return res
}
ctrld.Log(ctx, mainLog.Load().Error(), "all %v endpoints failed", upstreams)
answer := new(dns.Msg)
answer.SetRcode(req.msg, dns.RcodeServerFailure)
return answer
res.answer = answer
return res
}
func (p *prog) upstreamsAndUpstreamConfigForLanAndPtr(upstreams []string, upstreamConfigs []*ctrld.UpstreamConfig) ([]string, []*ctrld.UpstreamConfig) {

View File

@@ -187,8 +187,8 @@ func TestCache(t *testing.T) {
got1 := prog.proxy(context.Background(), req1)
got2 := prog.proxy(context.Background(), req2)
assert.NotSame(t, got1, got2)
assert.Equal(t, answer1.Rcode, got1.Rcode)
assert.Equal(t, answer2.Rcode, got2.Rcode)
assert.Equal(t, answer1.Rcode, got1.answer.Rcode)
assert.Equal(t, answer2.Rcode, got2.answer.Rcode)
}
func Test_ipAndMacFromMsg(t *testing.T) {

150
cmd/cli/metrics.go Normal file
View File

@@ -0,0 +1,150 @@
package cli
import (
"context"
"encoding/json"
"net"
"net/http"
"runtime"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/collectors"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/prometheus/prom2json"
)
// metricsServer represents a server to expose Prometheus metrics via HTTP.
type metricsServer struct {
server *http.Server
mux *http.ServeMux
reg *prometheus.Registry
addr string
started bool
}
// newMetricsServer returns new metrics server.
func newMetricsServer(addr string, reg *prometheus.Registry) (*metricsServer, error) {
mux := http.NewServeMux()
ms := &metricsServer{
server: &http.Server{Handler: mux},
mux: mux,
reg: reg,
}
ms.addr = addr
ms.registerMetricsServerHandler()
return ms, nil
}
// register adds handlers for given pattern.
func (ms *metricsServer) register(pattern string, handler http.Handler) {
ms.mux.Handle(pattern, handler)
}
// registerMetricsServerHandler adds handlers for metrics server.
func (ms *metricsServer) registerMetricsServerHandler() {
ms.register("/metrics", promhttp.HandlerFor(
ms.reg,
promhttp.HandlerOpts{
EnableOpenMetrics: true,
Timeout: 10 * time.Second,
},
))
ms.register("/metrics/json", jsonResponse(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
g := prometheus.ToTransactionalGatherer(ms.reg)
mfs, done, err := g.Gather()
defer done()
if err != nil {
msg := "could not gather metrics"
mainLog.Load().Warn().Err(err).Msg(msg)
http.Error(w, msg, http.StatusInternalServerError)
return
}
result := make([]*prom2json.Family, 0, len(mfs))
for _, mf := range mfs {
result = append(result, prom2json.NewFamily(mf))
}
if err := json.NewEncoder(w).Encode(result); err != nil {
msg := "could not marshal metrics result"
mainLog.Load().Warn().Err(err).Msg(msg)
http.Error(w, msg, http.StatusInternalServerError)
return
}
})))
}
// start runs the metricsServer.
func (ms *metricsServer) start() error {
listener, err := net.Listen("tcp", ms.addr)
if err != nil {
return err
}
go ms.server.Serve(listener)
ms.started = true
return nil
}
// stop shutdowns the metricsServer within 2 seconds timeout.
func (ms *metricsServer) stop() error {
if !ms.started {
return nil
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*1)
defer cancel()
return ms.server.Shutdown(ctx)
}
// runMetricsServer initializes metrics stats and runs the metrics server if enabled.
func (p *prog) runMetricsServer(ctx context.Context, reloadCh chan struct{}) {
if !p.metricsEnabled() {
return
}
// Reset all stats.
statsVersion.Reset()
statsQueriesCount.Reset()
statsClientQueriesCount.Reset()
reg := prometheus.NewRegistry()
// Register queries count stats if enabled.
if cfg.Service.MetricsQueryStats {
reg.MustRegister(statsQueriesCount)
reg.MustRegister(statsClientQueriesCount)
}
addr := p.cfg.Service.MetricsListener
ms, err := newMetricsServer(addr, reg)
if err != nil {
mainLog.Load().Warn().Err(err).Msg("could not create new metrics server")
return
}
// Only start listener address if defined.
if addr != "" {
// Go runtime stats.
reg.MustRegister(collectors.NewBuildInfoCollector())
reg.MustRegister(collectors.NewGoCollector(
collectors.WithGoCollectorRuntimeMetrics(collectors.MetricsAll),
))
// ctrld stats.
reg.MustRegister(statsVersion)
statsVersion.WithLabelValues(commit, runtime.Version(), curVersion()).Inc()
reg.MustRegister(statsTimeStart)
statsTimeStart.Set(float64(time.Now().Unix()))
mainLog.Load().Debug().Msgf("starting metrics server on: %s", addr)
if err := ms.start(); err != nil {
mainLog.Load().Warn().Err(err).Msg("could not start metrics server")
return
}
}
select {
case <-p.stopCh:
case <-ctx.Done():
case <-reloadCh:
}
if err := ms.stop(); err != nil {
mainLog.Load().Warn().Err(err).Msg("could not stop metrics server")
return
}
}

View File

@@ -348,6 +348,13 @@ func (p *prog) run(reload bool, reloadCh chan struct{}) {
p.checkDnsLoopTicker(ctx)
}()
wg.Add(1)
// Prometheus exporter goroutine.
go func() {
defer wg.Done()
p.runMetricsServer(ctx, reloadCh)
}()
if !reload {
// Stop writing log to unix socket.
consoleWriter.Out = os.Stdout
@@ -365,6 +372,11 @@ func (p *prog) run(reload bool, reloadCh chan struct{}) {
wg.Wait()
}
// metricsEnabled reports whether prometheus exporter is enabled/disabled.
func (p *prog) metricsEnabled() bool {
return p.cfg.Service.MetricsQueryStats || p.cfg.Service.MetricsListener != ""
}
func (p *prog) Stop(s service.Service) error {
mainLog.Load().Info().Msg("Service stopped")
close(p.stopCh)

57
cmd/cli/prometheus.go Normal file
View File

@@ -0,0 +1,57 @@
package cli
import "github.com/prometheus/client_golang/prometheus"
const (
metricsLabelListener = "listener"
metricsLabelClientSourceIP = "client_source_ip"
metricsLabelClientMac = "client_mac"
metricsLabelClientHostname = "client_hostname"
metricsLabelUpstream = "upstream"
metricsLabelRRType = "rr_type"
metricsLabelRCode = "rcode"
)
// statsVersion represent ctrld version.
var statsVersion = prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "ctrld_build_info",
Help: "Version of ctrld process.",
}, []string{"gitref", "goversion", "version"})
// statsTimeStart represents start time of ctrld service.
var statsTimeStart = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ctrld_time_seconds",
Help: "Start time of the ctrld process since unix epoch in seconds.",
})
var statsQueriesCountLabels = []string{
metricsLabelListener,
metricsLabelClientSourceIP,
metricsLabelClientMac,
metricsLabelClientHostname,
metricsLabelUpstream,
metricsLabelRRType,
metricsLabelRCode,
}
// statsQueriesCount counts total number of queries.
var statsQueriesCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "ctrld_queries_count",
Help: "Total number of queries.",
}, statsQueriesCountLabels)
// statsClientQueriesCount counts total number of queries of a client.
//
// The labels "client_source_ip", "client_mac", "client_hostname" are unbounded,
// thus this stat is highly inefficient if there are many devices.
var statsClientQueriesCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Name: "ctrld_client_queries_count",
Help: "Total number queries of a client.",
}, []string{metricsLabelClientSourceIP, metricsLabelClientMac, metricsLabelClientHostname})
// WithLabelValuesInc increases prometheus counter by 1 if query stats is enabled.
func (p *prog) WithLabelValuesInc(c *prometheus.CounterVec, lvs ...string) {
if p.cfg.Service.MetricsQueryStats {
c.WithLabelValues(lvs...).Inc()
}
}

View File

@@ -195,6 +195,8 @@ type ServiceConfig struct {
DiscoverHosts *bool `mapstructure:"discover_hosts" toml:"discover_hosts,omitempty"`
DiscoverRefreshInterval int `mapstructure:"discover_refresh_interval" toml:"discover_refresh_interval,omitempty"`
ClientIDPref string `mapstructure:"client_id_preference" toml:"client_id_preference,omitempty" validate:"omitempty,oneof=host mac"`
MetricsQueryStats bool `mapstructure:"metrics_query_stats" toml:"metrics_query_stats,omitempty"`
MetricsListener string `mapstructure:"metrics_listener" toml:"metrics_listener,omitempty"`
Daemon bool `mapstructure:"-" toml:"-"`
AllocateIP bool `mapstructure:"-" toml:"-"`
}

View File

@@ -234,6 +234,20 @@ Else -> client ID will use both Mac and Hostname i.e. `hash(mac + host)
- Valid values: `mac`, `host`
- Default: ""
### metrics_query_stats
If set to `true`, collect and export the query counters, and show them in `clients list` command.
- Type: boolean
- Required: no
- Default: false
### metrics_listener
Specifying the `ip` and `port` of the metrics server.
- Type: string
- Required: no
- Default: ""
## Upstream
The `[upstream]` section specifies the DNS upstream servers that `ctrld` will forward DNS requests to.

10
go.mod
View File

@@ -19,6 +19,8 @@ require (
github.com/miekg/dns v1.1.55
github.com/olekukonko/tablewriter v0.0.5
github.com/pelletier/go-toml/v2 v2.0.8
github.com/prometheus/client_golang v1.15.1
github.com/prometheus/prom2json v1.3.3
github.com/quic-go/quic-go v0.38.0
github.com/rs/zerolog v1.28.0
github.com/spf13/cobra v1.7.0
@@ -35,11 +37,14 @@ require (
require (
github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/go-playground/locales v0.14.0 // indirect
github.com/go-playground/universal-translator v0.18.0 // indirect
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
github.com/golang/mock v1.6.0 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/go-cmp v0.5.9 // indirect
github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
@@ -52,6 +57,7 @@ require (
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.18 // indirect
github.com/mattn/go-runewidth v0.0.14 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7 // indirect
github.com/mdlayher/netlink v1.7.2 // indirect
github.com/mdlayher/raw v0.0.0-20191009151244-50f2db8cc065 // indirect
@@ -60,6 +66,9 @@ require (
github.com/onsi/ginkgo/v2 v2.9.5 // indirect
github.com/pierrec/lz4/v4 v4.1.17 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.4.0 // indirect
github.com/prometheus/common v0.44.0 // indirect
github.com/prometheus/procfs v0.9.0 // indirect
github.com/quic-go/qpack v0.4.0 // indirect
github.com/quic-go/qtls-go1-20 v0.3.2 // indirect
github.com/rivo/uniseg v0.4.4 // indirect
@@ -76,6 +85,7 @@ require (
golang.org/x/mod v0.10.0 // indirect
golang.org/x/text v0.13.0 // indirect
golang.org/x/tools v0.9.1 // indirect
google.golang.org/protobuf v1.30.0 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

22
go.sum
View File

@@ -42,7 +42,11 @@ github.com/Windscribe/zerolog v0.0.0-20230503170159-e6aa153233be h1:qBKVRi7Mom5h
github.com/Windscribe/zerolog v0.0.0-20230503170159-e6aa153233be/go.mod h1:/tk+P47gFdPXq4QYjvCmT5/Gsug2nagsFWBWhAiSi1w=
github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 h1:Kk6a4nehpJ3UuJRqlA3JxYxBZEqCeOmATOvrbT4p9RA=
github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -114,7 +118,9 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -126,6 +132,7 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
@@ -199,6 +206,8 @@ github.com/mattn/go-isatty v0.0.18/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7 h1:lez6TS6aAau+8wXUP3G9I3TGlmPFEq2CTxBaRqY6AGE=
github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7/go.mod h1:U6ZQobyTjI/tJyq2HG+i/dfSoFUt8/aZCM+GKtmFk/Y=
github.com/mdlayher/ndp v1.0.1 h1:+yAD79/BWyFlvAoeG5ncPS0ItlHP/eVbH7bQ6/+LVA4=
@@ -229,7 +238,17 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qRg=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_golang v1.15.1 h1:8tXpTmJbyH5lydzFPoxSIJ0J46jdh3tylbvM1xCv0LI=
github.com/prometheus/client_golang v1.15.1/go.mod h1:e9yaBhRPU2pPNsZwE+JdQl0KEt1N9XgF6zxWmaC0xOk=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.4.0 h1:5lQXD3cAg1OXBf4Wq03gTrXHeaV0TQvGfUooCfx1yqY=
github.com/prometheus/client_model v0.4.0/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJEYF2imWWhWtMkYU=
github.com/prometheus/common v0.44.0 h1:+5BrQJwiBB9xsMygAB3TNvpQKOwlkc25LbISbrdOOfY=
github.com/prometheus/common v0.44.0/go.mod h1:ofAIvZbQ1e/nugmZGz4/qCb9Ap1VoSTIO7x0VV9VvuY=
github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI=
github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY=
github.com/prometheus/prom2json v1.3.3 h1:IYfSMiZ7sSOfliBoo89PcufjWO4eAR0gznGcETyaUgo=
github.com/prometheus/prom2json v1.3.3/go.mod h1:Pv4yIPktEkK7btWsrUTWDDDrnpUrAELaOCj+oFwlgmc=
github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
github.com/quic-go/qtls-go1-20 v0.3.2 h1:rRgN3WfnKbyik4dBV8A6girlJVxGand/d+jVKbQq5GI=
@@ -610,7 +629,10 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=

View File

@@ -58,10 +58,12 @@ type ipLister interface {
}
type Client struct {
IP netip.Addr
Mac string
Hostname string
Source map[string]struct{}
IP netip.Addr
Mac string
Hostname string
Source map[string]struct{}
QueryCount int64
IncludeQueryCount bool
}
type Table struct {