Add option to enable network policy or not

pkg/simple/client/network/options.go

@@ -6,12 +6,15 @@ type Options struct {
 
 	// weave scope service host
 	WeaveScopeHost string `json:"weaveScopeHost,omitempty" yaml:"weaveScopeHost"`
+
+	EnableNetworkPolicy bool `json:"enableNetworkPolicy,omitempty" yaml:"enableNetworkPolicy"`
 }
 
 // NewNetworkOptions returns a `zero` instance
 func NewNetworkOptions() *Options {
 	return &Options{
-		WeaveScopeHost: "weave-scope-app.weave.svc",
+		WeaveScopeHost:      "weave-scope-app.weave.svc",
+		EnableNetworkPolicy: false,
 	}
 }
 
@@ -24,9 +27,11 @@ func (s *Options) ApplyTo(options *Options) {
 	if s.WeaveScopeHost != "" {
 		options.WeaveScopeHost = s.WeaveScopeHost
 	}
+	options.EnableNetworkPolicy = s.EnableNetworkPolicy
 }
 
 func (s *Options) AddFlags(fs *pflag.FlagSet, c *Options) {
-	fs.StringVar(&s.WeaveScopeHost, "weave-scope-host", c.WeaveScopeHost, ""+
-		"weave scope service host")
+	fs.StringVar(&s.WeaveScopeHost, "weave-scope-host", c.WeaveScopeHost, "weave scope service host")
+	fs.BoolVar(&s.EnableNetworkPolicy, "enable-network-policy", c.EnableNetworkPolicy,
+		"This field instructs KubeSphere to enable network policy or not.")
 }