diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..4eff680 --- /dev/null +++ b/.gitignore @@ -0,0 +1,7 @@ +tmp +.idea +.DS_Store +.vscode/** +coverage.out +coverage.out.tmp +report.xml diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..7e3e3c6 --- /dev/null +++ b/go.mod @@ -0,0 +1,5 @@ +module github.com/beykansen/pprof-echo + +go 1.15 + +require github.com/labstack/echo/v4 v4.8.0 diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..30e405b --- /dev/null +++ b/go.sum @@ -0,0 +1,49 @@ +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY= +github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I= 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h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pprofecho.go b/pprofecho.go new file mode 100644 index 0000000..881c379 --- /dev/null +++ b/pprofecho.go @@ -0,0 +1,55 @@ +package pprofecho + +import ( + "fmt" + "net/http" + "net/http/pprof" + rtp "runtime/pprof" + "strings" + + "github.com/labstack/echo/v4" + "github.com/labstack/echo/v4/middleware" +) + +type PprofGroupConfig struct { + Prefix string + Skipper middleware.Skipper +} + +func pprofMiddleware(skipper middleware.Skipper) echo.MiddlewareFunc { + return func(next echo.HandlerFunc) echo.HandlerFunc { + return func(c echo.Context) error { + if skipper(c) { + return echo.NewHTTPError(404) + } + return next(c) + } + } +} + +func NewPprofGroup(e *echo.Echo, config PprofGroupConfig) { + if len(strings.TrimSpace(config.Prefix)) == 0 { + config.Prefix = "/debug/pprof" + } + g := e.Group(config.Prefix) + g.Use(pprofMiddleware(config.Skipper)) + + g.GET("/", newWrapperHandler(pprof.Index)) + g.GET("/cmdline", newWrapperHandler(pprof.Cmdline)) + g.GET("/profile", newWrapperHandler(pprof.Profile)) + g.GET("/symbol", newWrapperHandler(pprof.Symbol)) + g.POST("/symbol", newWrapperHandler(pprof.Symbol)) + g.GET("/trace", newWrapperHandler(pprof.Trace)) + + for _, v := range rtp.Profiles() { + ppName := v.Name() + g.GET(fmt.Sprintf("/%s", ppName), newWrapperHandler(pprof.Handler(ppName).ServeHTTP)) + } +} + +func newWrapperHandler(handlerFunc func(w http.ResponseWriter, r *http.Request)) echo.HandlerFunc { + return func(ctx echo.Context) error { + handlerFunc(ctx.Response().Writer, ctx.Request()) + return nil + } +} diff --git a/readme.md b/readme.md new file mode 100644 index 0000000..447c016 --- /dev/null +++ b/readme.md @@ -0,0 +1,12 @@ +# pprof-echo +Echo wrapper for pprof. +## How To Use? +```golang + e := echo.New() + pprofecho.NewPprofGroup(e, pprofecho.PprofGroupConfig{ + Prefix: "", + Skipper: func(c echo.Context) bool { + return false + }, + }) +```