Add go pprof support across fission components (#2112)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

cmd/builder/main.go

@@ -24,10 +24,13 @@ import (
 	"go.uber.org/zap/zapcore"
 
 	"github.com/fission/fission/cmd/builder/app"
+	"github.com/fission/fission/pkg/utils/profile"
 )
 
 // Usage: builder <shared volume path>
 func main() {
+	profile.ProfileIfEnabled()
+
 	config := zap.NewProductionConfig()
 	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	logger, err := config.Build()

cmd/fetcher/main.go

@@ -23,10 +23,13 @@ import (
 	"go.uber.org/zap/zapcore"
 
 	"github.com/fission/fission/cmd/fetcher/app"
+	"github.com/fission/fission/pkg/utils/profile"
 )
 
 // Usage: fetcher <shared volume path>
 func main() {
+	profile.ProfileIfEnabled()
+
 	config := zap.NewProductionConfig()
 	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	logger, err := config.Build()

cmd/fission-bundle/main.go

@@ -40,6 +40,7 @@ import (
 	"github.com/fission/fission/pkg/router"
 	"github.com/fission/fission/pkg/storagesvc"
 	"github.com/fission/fission/pkg/timer"
+	"github.com/fission/fission/pkg/utils/profile"
 )
 
 func runController(logger *zap.Logger, port int) {
@@ -237,6 +238,7 @@ Options:
   --builderMgr                    Start builder manager.
   --version                       Print version information
 `
+	profile.ProfileIfEnabled()
 
 	var logger *zap.Logger
 	var config zap.Config