mirror of
https://github.com/nikdoof/pocket-id.git
synced 2025-12-16 00:02:18 +00:00
feat: add prometheus metrics
This commit is contained in:
@@ -30,8 +30,10 @@ require (
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require (
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github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
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github.com/beorn7/perks v1.0.1 // indirect
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github.com/bytedance/sonic v1.12.8 // indirect
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github.com/bytedance/sonic/loader v0.2.3 // indirect
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github.com/cespare/xxhash/v2 v2.3.0 // indirect
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github.com/cloudwego/base64x v0.1.5 // indirect
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github.com/disintegration/gift v1.1.2 // indirect
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github.com/gabriel-vasile/mimetype v1.4.8 // indirect
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@@ -52,6 +54,7 @@ require (
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github.com/jinzhu/now v1.1.5 // indirect
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github.com/jonboulle/clockwork v0.5.0 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/klauspost/compress v1.17.11 // indirect
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github.com/klauspost/cpuid/v2 v2.2.9 // indirect
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github.com/kr/pretty v0.3.1 // indirect
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github.com/leodido/go-urn v1.4.0 // indirect
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@@ -61,7 +64,12 @@ require (
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github.com/mitchellh/mapstructure v1.5.0 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
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github.com/pelletier/go-toml/v2 v2.2.3 // indirect
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github.com/prometheus/client_golang v1.21.0 // indirect
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github.com/prometheus/client_model v0.6.1 // indirect
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github.com/prometheus/common v0.62.0 // indirect
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github.com/prometheus/procfs v0.15.1 // indirect
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github.com/robfig/cron/v3 v3.0.1 // indirect
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github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
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github.com/ugorji/go/codec v1.2.12 // indirect
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@@ -6,6 +6,8 @@ github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERo
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github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
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github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI=
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github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
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github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
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github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
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github.com/bytedance/sonic v1.12.8 h1:4xYRVRlXIgvSZ4e8iVTlMF5szgpXd4AfvuWgA8I8lgs=
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github.com/bytedance/sonic v1.12.8/go.mod h1:uVvFidNmlt9+wa31S1urfwwthTWteBgG0hWuoKAXTx8=
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github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
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@@ -13,6 +15,8 @@ github.com/bytedance/sonic/loader v0.2.3 h1:yctD0Q3v2NOGfSWPLPvG2ggA2kV6TS6s4wio
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github.com/bytedance/sonic/loader v0.2.3/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
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github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
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github.com/caarlos0/env/v11 v11.3.1/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
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github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
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github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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github.com/cloudwego/base64x v0.1.5 h1:XPciSp1xaq2VCSt6lF0phncD4koWyULpl5bUxbfCyP4=
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github.com/cloudwego/base64x v0.1.5/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
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github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
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@@ -127,6 +131,8 @@ github.com/jonboulle/clockwork v0.5.0 h1:Hyh9A8u51kptdkR+cqRpT1EebBwTn1oK9YfGYbd
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github.com/jonboulle/clockwork v0.5.0/go.mod h1:3mZlmanh0g2NDKO5TWZVJAfofYk64M7XN3SzBPjZF60=
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github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
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github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
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github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
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github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
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github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
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github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kKGuY=
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github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
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@@ -158,6 +164,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
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github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
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github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
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github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
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github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
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github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
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github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQb2IpWsCzug=
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@@ -171,6 +179,14 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
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github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
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github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
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github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
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github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
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github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
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github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
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github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
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github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
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github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
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github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
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@@ -10,6 +10,7 @@ import (
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"github.com/pocket-id/pocket-id/backend/internal/job"
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"github.com/pocket-id/pocket-id/backend/internal/middleware"
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"github.com/pocket-id/pocket-id/backend/internal/service"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"golang.org/x/time/rate"
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"gorm.io/gorm"
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)
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@@ -52,6 +53,7 @@ func initRouter(db *gorm.DB, appConfigService *service.AppConfigService) {
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r.Use(middleware.NewErrorHandlerMiddleware().Add())
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r.Use(rateLimitMiddleware.Add(rate.Every(time.Second), 60))
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r.Use(middleware.NewJwtAuthMiddleware(jwtService, true).Add(false))
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r.Use(middleware.NewPrometheusMetricsMiddleware().Add())
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job.RegisterLdapJobs(ldapService, appConfigService)
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job.RegisterDbCleanupJobs(db)
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@@ -79,6 +81,9 @@ func initRouter(db *gorm.DB, appConfigService *service.AppConfigService) {
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baseGroup := r.Group("/")
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controller.NewWellKnownController(baseGroup, jwtService)
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// Set up metrics route
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baseGroup.GET("/metrics", gin.WrapH(promhttp.Handler()))
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// Run the server
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if err := r.Run(common.EnvConfig.Host + ":" + common.EnvConfig.Port); err != nil {
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log.Fatal(err)
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108
backend/internal/middleware/metrics.go
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108
backend/internal/middleware/metrics.go
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@@ -0,0 +1,108 @@
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package middleware
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import (
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"net/http"
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"strconv"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/prometheus/client_golang/prometheus"
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)
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type PrometheusMetricsMiddleware struct {
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reqCnt *prometheus.CounterVec
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reqDur *prometheus.HistogramVec
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reqSz, resSz prometheus.Summary
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}
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func computeApproximateRequestSize(r *http.Request) int {
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s := 0
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if r.URL != nil {
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s = len(r.URL.Path)
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}
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s += len(r.Method)
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s += len(r.Proto)
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for name, values := range r.Header {
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s += len(name)
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for _, value := range values {
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s += len(value)
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}
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}
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s += len(r.Host)
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if r.ContentLength != -1 {
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s += int(r.ContentLength)
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}
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return s
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}
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func NewPrometheusMetricsMiddleware() *PrometheusMetricsMiddleware {
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m := &PrometheusMetricsMiddleware{}
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m.reqCnt = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Subsystem: "pocket_id",
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Name: "requests_total",
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Help: "How many HTTP requests processed, partitioned by status code and HTTP method.",
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},
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[]string{"code", "method", "handler", "host", "url"},
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)
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m.reqDur = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Subsystem: "pocket_id",
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Name: "request_duration_seconds",
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Help: "The HTTP request latencies in seconds.",
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},
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[]string{"code", "method", "url"},
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)
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m.resSz = prometheus.NewSummary(
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prometheus.SummaryOpts{
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Subsystem: "pocket_id",
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Name: "response_size_bytes",
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Help: "The HTTP response sizes in bytes.",
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},
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)
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m.reqSz = prometheus.NewSummary(
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prometheus.SummaryOpts{
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Subsystem: "pocket_id",
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Name: "request_size_bytes",
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Help: "The HTTP request sizes in bytes.",
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},
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)
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prometheus.Register(m.reqCnt)
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prometheus.Register(m.reqDur)
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prometheus.Register(m.resSz)
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prometheus.Register(m.reqSz)
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return m
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}
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func (m *PrometheusMetricsMiddleware) Add() gin.HandlerFunc {
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return func(c *gin.Context) {
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// Skip /metrics URL calls, as promhttp already tracks them
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if c.Request.URL.Path == "/metrics" {
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c.Next()
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return
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}
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start := time.Now()
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reqSz := computeApproximateRequestSize(c.Request)
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c.Next()
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status := strconv.Itoa(c.Writer.Status())
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elapsed := float64(time.Since(start)) / float64(time.Second)
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resSz := float64(c.Writer.Size())
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m.reqDur.WithLabelValues(status, c.Request.Method, c.Request.URL.Path).Observe(elapsed)
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m.reqCnt.WithLabelValues(status, c.Request.Method, c.HandlerName(), c.Request.Host, c.Request.URL.Path).Inc()
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m.reqSz.Observe(float64(reqSz))
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m.resSz.Observe(resSz)
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}
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}
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Reference in New Issue
Block a user