chore: pprof build updates (#6419)

* chore: Ensure Admin UI is included in pprof build

Co-authored-by: ddedbko <Damian3395@gmail.com>

* chore: Isolate handlers for pprof endpoints

Co-authored-by: ddebko <Damian3395@gmail.com>

---------

Co-authored-by: ddedbko <Damian3395@gmail.com>

Makefile

@@ -67,6 +67,7 @@ install-no-plugins: install
 
 .PHONY: build-pprof
 build-pprof: BUILD_TAGS+=pprof
+build-pprof: BUILD_TAGS+=ui
 build-pprof:
 	@echo "==> Building Boundary with memory pprof enabled"
 	@CGO_ENABLED=$(CGO_ENABLED) BUILD_TAGS='$(BUILD_TAGS)' sh -c "'$(CURDIR)/scripts/build.sh'"

internal/cmd/base/pprof_on.go

@@ -10,18 +10,29 @@ import (
 	"context"
 	"errors"
 	"net/http"
+	"net/http/pprof"
 
 	"github.com/hashicorp/boundary/internal/event"
-
-	_ "net/http/pprof"
 )
 
 func StartPprof(ctx context.Context) {
 	const op = "base.StartPprof"
 	go func() {
 		const addr = "localhost:6060"
+		mux := http.NewServeMux()
+		mux.HandleFunc("/debug/pprof/", pprof.Index)
+		mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
+		mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
+		mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
+		mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
+		mux.Handle("/debug/pprof/block", pprof.Handler("block"))
+		mux.Handle("/debug/pprof/goroutine", pprof.Handler("goroutine"))
+		mux.Handle("/debug/pprof/heap", pprof.Handler("heap"))
+		mux.Handle("/debug/pprof/threadcreate", pprof.Handler("threadcreate"))
+		mux.Handle("/debug/pprof/mutex", pprof.Handler("mutex"))
+		mux.Handle("/debug/pprof/allocs", pprof.Handler("allocs"))
 		event.WriteSysEvent(ctx, op, "starting pprof HTTP server", "addr", addr)
-		if err := http.ListenAndServe(addr, nil); err != nil && !errors.Is(err, http.ErrServerClosed) {
+		if err := http.ListenAndServe(addr, mux); err != nil && !errors.Is(err, http.ErrServerClosed) {
 			event.WriteSysEvent(ctx, op, "failed to serve pprof HTTP server", "error", err.Error())
 		}
 	}()