reintroduce pprof

Signed-off-by: Ruben Vargas <[email protected]>

cmd/root/options.go

@@ -3,6 +3,8 @@ package root
 import (
 	"errors"
 	"fmt"
+	"net/http"
+	"net/http/pprof"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -61,6 +63,26 @@ func LoadConfig(scheme *runtime.Scheme, configFile string) (*configv1alpha1.Proj
 func mergeOptionsFromFile(o manager.Options, cfg *configv1alpha1.ProjectConfig) manager.Options {
 	o = setLeaderElectionConfig(o, cfg.ControllerManagerConfigurationSpec)
 
+	if o.Metrics.BindAddress == "" && cfg.Metrics.BindAddress != "" {
+		o.Metrics.BindAddress = cfg.Metrics.BindAddress
+
+		endpoints := map[string]http.HandlerFunc{
+			"/debug/pprof/":        pprof.Index,
+			"/debug/pprof/cmdline": pprof.Cmdline,
+			"/debug/pprof/profile": pprof.Profile,
+			"/debug/pprof/symbol":  pprof.Symbol,
+			"/debug/pprof/trace":   pprof.Trace,
+		}
+
+		if o.Metrics.ExtraHandlers == nil {
+			o.Metrics.ExtraHandlers = map[string]http.Handler{}
+		}
+
+		for path, handler := range endpoints {
+			o.Metrics.ExtraHandlers[path] = handler
+		}
+	}
+
 	if o.HealthProbeBindAddress == "" && cfg.Health.HealthProbeBindAddress != "" {
 		o.HealthProbeBindAddress = cfg.Health.HealthProbeBindAddress
 	}