实现远程升级节点

internal/db/models/node_dao.go

@@ -548,6 +548,24 @@ func (this *NodeDAO) FindAllNotInstalledNodesWithClusterId(clusterId int64) (res
 	return
 }
 
+// 查找所有低于某个版本的节点
+func (this *NodeDAO) FindAllLowerVersionNodesWithClusterId(clusterId int64, os string, arch string, version string) (result []*Node, err error) {
+	_, err = this.Query().
+		State(NodeStateEnabled).
+		Attr("clusterId", clusterId).
+		Where("status IS NOT NULL").
+		Where("JSON_EXTRACT(status, '$.os')=:os").
+		Where("JSON_EXTRACT(status, '$.arch')=:arch").
+		Where("INET_ATON(JSON_UNQUOTE(JSON_EXTRACT(status, '$.buildVersion')))<INET_ATON(:version)").
+		Param("os", os).
+		Param("arch", arch).
+		Param("version", version).
+		DescPk().
+		Slice(&result).
+		FindAll()
+	return
+}
+
 // 生成唯一ID
 func (this *NodeDAO) genUniqueId() (string, error) {
 	for {