fix: ensure MaxWorkers is fully configurable without default value (#1279)

- exec/model/parallelizer.go: remove default value from MaxWorkers (64 → no default)
- pkg/runtime/runtime.go: add Init() function to sync MaxWorkers after flag parsing
- cmd/manager/main.go: call operator.Init() after pflag.Parse()
- pkg/controller/chaosblade/daemonset.go: already has resource config from previous commit

This ensures MaxWorkers is only set via --max-workers flag, not hardcoded.

Change-Id: I
Change-Id: I95c7c99a978d799c851271bb51f65ad6ef1e4ea8

Author: xcaspar

cmd/manager/main.go

@@ -79,6 +79,9 @@ func main() {
 	showVersion := pflag.Bool("version", false, "显示版本信息")
 	pflag.Parse()
 
+	// Initialize runtime after flag parsing to sync MaxWorkers to parallelizer
+	operator.Init()
+
 	// 如果只是查看版本，则显示后退出
 	if *showVersion {
 		printVersion()

exec/model/parallelizer.go

@@ -20,7 +20,7 @@ import "sync"
 
 var (
 	// MaxWorkers can be configured via environment variable or flag
-	MaxWorkers = 64
+	MaxWorkers int
 )
 
 type DoWorkFunc func(workID int)

manager

@@ -19,6 +19,7 @@ package runtime
 import (
 	"github.com/spf13/pflag"
 
+	"github.com/chaosblade-io/chaosblade-operator/exec/model"
 	"github.com/chaosblade-io/chaosblade-operator/pkg/runtime/chaosblade"
 	"github.com/chaosblade-io/chaosblade-operator/pkg/runtime/product/aliyun"
 	_ "github.com/chaosblade-io/chaosblade-operator/pkg/runtime/product/community"
@@ -48,6 +49,14 @@ func init() {
 
 func initRuntimeData() {
 	chaosblade.Constant = chaosblade.Products[version.Product]
+	// Set default value for parallelizer.MaxWorkers
+	model.MaxWorkers = MaxWorkers
+}
+
+// Init initializes the runtime by syncing flag values to dependent packages.
+// This should be called after flag.Parse() in main().
+func Init() {
+	model.MaxWorkers = MaxWorkers
 }
 
 func FlagSet() *pflag.FlagSet {