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feat: enable profiling endpoints

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Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>
This commit is contained in:
m.nabokikh 2022-04-12 12:12:37 +04:00
parent a2089dd8e7
commit 6822ad950f
3 changed files with 16 additions and 0 deletions
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2
cmd/dex/config.go
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@ -151,6 +151,8 @@ type Web struct {
// Telemetry is the config format for telemetry including the HTTP server config. // Telemetry is the config format for telemetry including the HTTP server config.
type Telemetry struct { type Telemetry struct {
HTTP string `json:"http"` HTTP string `json:"http"`
// EnableProfiling makes profiling endpoints available via web interface host:port/debug/pprof/
EnableProfiling bool `json:"enableProfiling"`
} }
// GRPC is the config for the gRPC API. // GRPC is the config for the gRPC API.

13
cmd/dex/serve.go
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@ -8,6 +8,7 @@ import (
"fmt" "fmt"
"net" "net"
"net/http" "net/http"
"net/http/pprof"
"os" "os"
"runtime" "runtime"
"strings" "strings"
@ -368,6 +369,10 @@ func runServe(options serveOptions) error {
return fmt.Errorf("listening (%s) on %s: %v", name, c.Telemetry.HTTP, err) return fmt.Errorf("listening (%s) on %s: %v", name, c.Telemetry.HTTP, err)
} }
if c.Telemetry.EnableProfiling {
pprofHandler(telemetryRouter)
}
server := &http.Server{ server := &http.Server{
Handler: telemetryRouter, Handler: telemetryRouter,
} }
@ -550,3 +555,11 @@ func applyConfigOverrides(options serveOptions, config *Config) {
config.Frontend.Dir = os.Getenv("DEX_FRONTEND_DIR") config.Frontend.Dir = os.Getenv("DEX_FRONTEND_DIR")
} }
} }
func pprofHandler(router *http.ServeMux) {
router.HandleFunc("/debug/pprof/", pprof.Index)
router.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
router.HandleFunc("/debug/pprof/profile", pprof.Profile)
router.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
router.HandleFunc("/debug/pprof/trace", pprof.Trace)
}

1
examples/config-dev.yaml
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@ -63,6 +63,7 @@ web:
# Configuration for telemetry # Configuration for telemetry
telemetry: telemetry:
http: 0.0.0.0:5558 http: 0.0.0.0:5558
# enableProfiling: true
# Uncomment this block to enable the gRPC API. This values MUST be different # Uncomment this block to enable the gRPC API. This values MUST be different
# from the HTTP endpoints. # from the HTTP endpoints.