节点增加DNS解析库类型设置

pkg/nodeconfigs/node_config.go

@@ -77,6 +77,9 @@ type NodeConfig struct {
 	// WebP
 	WebPImagePolicies map[int64]*WebPImagePolicy `yaml:"webpImagePolicies" json:"webpImagePolicies"` // clusterId => *WebPImagePolicy
 
+	// DNS
+	DNSResolver *DNSResolverConfig `yaml:"dnsResolver" json:"dnsResolver"`
+
 	paddedId string
 
 	// firewall
@@ -306,6 +309,14 @@ func (this *NodeConfig) Init() (err error, serverErrors []*ServerError) {
 		}
 	}
 
+	// dns resolver
+	if this.DNSResolver != nil {
+		err = this.DNSResolver.Init()
+		if err != nil {
+			return
+		}
+	}
+
 	return
 }