feat Prometheus

This commit is contained in:
2026-01-16 22:36:18 +08:00
parent 6d5c7e81e9
commit 53cda1ce5e
6 changed files with 23 additions and 71 deletions

View File

@@ -21,11 +21,11 @@ func (p *Program) Init(_ svc.Environment) error {
}
p.moduleList = append(p.moduleList, base)
p.moduleList = append(p.moduleList, (&module.DB{}).Bind(config.Get().DB))
p.moduleList = append(p.moduleList, &ModulePrometheus{})
p.moduleList = append(p.moduleList, &ModuleWebServer{})
p.moduleList = append(p.moduleList, &ModuleWebsocketServer{})
p.moduleList = append(p.moduleList, &ModuleGrpcServer{})
p.moduleList = append(p.moduleList, &ModuleLoginQueue{})
p.moduleList = append(p.moduleList, (&module.Prometheus{}).Bind(config.Get().Metric))
p.moduleList = append(p.moduleList, (&module.Tracer{}).Bind(config.Get().Metric, common.KeyDiscoverServiceNameGateway))
for i, m := range p.moduleList {

View File

@@ -1,61 +0,0 @@
package app
import (
"context"
"errors"
"fmt"
"git.hlsq.asia/mmorpg/service-common/log"
"git.hlsq.asia/mmorpg/service-common/module"
"git.hlsq.asia/mmorpg/service-gateway/config"
"git.hlsq.asia/mmorpg/service-gateway/internal/global"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"net/http"
"sync"
)
// ModulePrometheus 普罗米修斯模块
type ModulePrometheus struct {
wg *sync.WaitGroup
server *http.Server
}
func (m *ModulePrometheus) Init() error {
m.wg = &sync.WaitGroup{}
global.OnlineUsersGauge = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "gateway_online_users_total",
Help: "Total number of online users in gateway",
})
prometheus.MustRegister(global.OnlineUsersGauge)
return nil
}
func (m *ModulePrometheus) Start() error {
m.wg.Add(1)
go func() {
defer m.wg.Done()
m.server = &http.Server{
Addr: fmt.Sprintf("%v:%v", config.Get().Metric.Prometheus.Address, config.Get().Metric.Prometheus.Port),
Handler: promhttp.Handler(),
}
if err := m.server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
log.Errorf("prometheus server failed: %v", err.Error())
}
log.Infof("prometheus server stop.")
}()
return nil
}
func (m *ModulePrometheus) Stop() error {
if err := m.server.Shutdown(context.Background()); err != nil {
log.Errorf("stop prometheus server failed: %v", err)
}
m.wg.Wait()
return nil
}
func (m *ModulePrometheus) Bind(_ ...any) module.Module {
return m
}

2
go.mod
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@@ -4,7 +4,7 @@ go 1.24.0
require (
bou.ke/monkey v1.0.2
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116140135-e59d106700e3
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116143417-d944729ad0e5
github.com/alicebob/miniredis/v2 v2.35.0
github.com/gin-contrib/cors v1.7.6
github.com/gin-gonic/gin v1.11.0

4
go.sum
View File

@@ -2,8 +2,8 @@ bou.ke/monkey v1.0.2 h1:kWcnsrCNUatbxncxR/ThdYqbytgOIArtYWqcQLQzKLI=
bou.ke/monkey v1.0.2/go.mod h1:OqickVX3tNx6t33n1xvtTtu85YN5s6cKwVug+oHMaIA=
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116140135-e59d106700e3 h1:3VOikwIBiZ1npwqfLeK558Uc6panZbtFkH5T1uoWPmk=
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116140135-e59d106700e3/go.mod h1:Dazg+4woCv9Jk7jgT2qUSGWhZOXx/0WYfJO+FCUDyhw=
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116143417-d944729ad0e5 h1:gkPNZ/OiXQhtiqRMdLrL5Zw580zgb9082jkZQqP71Fk=
git.hlsq.asia/mmorpg/service-common v0.0.0-20260116143417-d944729ad0e5/go.mod h1:Dazg+4woCv9Jk7jgT2qUSGWhZOXx/0WYfJO+FCUDyhw=
github.com/BurntSushi/toml v1.2.0 h1:Rt8g24XnyGTyglgET/PRUNlrUeu9F5L+7FilkXfZgs0=
github.com/BurntSushi/toml v1.2.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
github.com/alicebob/miniredis/v2 v2.35.0 h1:QwLphYqCEAo1eu1TqPRN2jgVMPBweeQcR21jeqDCONI=

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@@ -1,7 +1,5 @@
package global
import "github.com/prometheus/client_golang/prometheus"
const (
KeyGatewayAccessToken = "gateway:token:access:%v"
KeyGatewayRefreshToken = "gateway:token:refresh:%v"
@@ -14,7 +12,3 @@ const (
MaxOnlineSize = 100 // 最大在线人数
MaxQueueUpSize = 100 // 最大排队人数
)
var (
OnlineUsersGauge prometheus.Gauge
)

19
internal/global/metric.go Normal file
View File

@@ -0,0 +1,19 @@
package global
import (
"git.hlsq.asia/mmorpg/service-common/log"
"github.com/prometheus/client_golang/prometheus"
)
var (
OnlineUsersGauge prometheus.Gauge
)
func init() {
log.Infof("Init prometheus metric...")
OnlineUsersGauge = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "online_users",
Help: "Total number of online users",
})
prometheus.MustRegister(OnlineUsersGauge)
}