增加健康检查定时任务/健康检查可以发送消息

internal/db/models/message_dao.go

@@ -0,0 +1,128 @@
+package models
+
+import (
+	"crypto/md5"
+	"fmt"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+	"github.com/iwind/TeaGo/types"
+	timeutil "github.com/iwind/TeaGo/utils/time"
+	"time"
+)
+
+const (
+	MessageStateEnabled  = 1 // 已启用
+	MessageStateDisabled = 0 // 已禁用
+
+	MessageLevelInfo    = "info"
+	MessageLevelWarning = "warning"
+	MessageLevelError   = "error"
+)
+
+type MessageType = string
+
+const (
+	MessageTypeHealthCheckFail MessageType = "HealthCheckFail"
+)
+
+type MessageDAO dbs.DAO
+
+func NewMessageDAO() *MessageDAO {
+	return dbs.NewDAO(&MessageDAO{
+		DAOObject: dbs.DAOObject{
+			DB:     Tea.Env,
+			Table:  "edgeMessages",
+			Model:  new(Message),
+			PkName: "id",
+		},
+	}).(*MessageDAO)
+}
+
+var SharedMessageDAO *MessageDAO
+
+func init() {
+	dbs.OnReady(func() {
+		SharedMessageDAO = NewMessageDAO()
+	})
+}
+
+// 启用条目
+func (this *MessageDAO) EnableMessage(id int64) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", MessageStateEnabled).
+		Update()
+	return err
+}
+
+// 禁用条目
+func (this *MessageDAO) DisableMessage(id int64) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", MessageStateDisabled).
+		Update()
+	return err
+}
+
+// 查找启用中的条目
+func (this *MessageDAO) FindEnabledMessage(id int64) (*Message, error) {
+	result, err := this.Query().
+		Pk(id).
+		Attr("state", MessageStateEnabled).
+		Find()
+	if result == nil {
+		return nil, err
+	}
+	return result.(*Message), err
+}
+
+// 创建集群消息
+func (this *MessageDAO) CreateClusterMessage(clusterId int64, messageType MessageType, level string, body string, paramsJSON []byte) error {
+	_, err := this.createMessage(clusterId, 0, messageType, level, body, paramsJSON)
+	return err
+}
+
+// 删除某天之前的消息
+func (this *MessageDAO) DeleteMessagesBeforeDay(dayTime time.Time) error {
+	day := timeutil.Format("Ymd", dayTime)
+	_, err := this.Query().
+		Where("day<:day").
+		Param("day", day).
+		Delete()
+	return err
+}
+
+// 创建消息
+func (this *MessageDAO) createMessage(clusterId int64, nodeId int64, messageType MessageType, level string, body string, paramsJSON []byte) (int64, error) {
+	h := md5.New()
+	h.Write([]byte(body))
+	h.Write(paramsJSON)
+	hash := fmt.Sprintf("%x", h.Sum(nil))
+
+	// TODO 检查同样的消息最近是否发送过
+
+	// 创建新消息
+	op := NewMessageOperator()
+	op.AdminId = 0 // TODO
+	op.UserId = 0  // TODO
+	op.ClusterId = clusterId
+	op.NodeId = nodeId
+	op.Type = messageType
+	op.Level = level
+	op.Body = body
+	if len(paramsJSON) > 0 {
+		op.Params = paramsJSON
+	}
+	op.IsRead = false
+	op.State = MessageStateEnabled
+	op.CreatedAt = time.Now().Unix()
+	op.Day = timeutil.Format("Ymd")
+	op.Hash = hash
+
+	_, err := this.Save(op)
+	if err != nil {
+		return 0, err
+	}
+	return types.Int64(op.Id), nil
+}