mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-12 06:10:26 +08:00
可以清理数据库节点的数据表
This commit is contained in:
刘祥超
@@ -2,12 +2,18 @@ package services
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import (
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"context"
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"errors"
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"github.com/TeaOSLab/EdgeAPI/internal/db/models"
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rpcutils "github.com/TeaOSLab/EdgeAPI/internal/rpc/utils"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/lists"
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"github.com/iwind/TeaGo/types"
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"strings"
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)
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var db *dbs.DB
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// 数据库节点相关服务
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type DBNodeService struct {
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BaseService
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@@ -27,7 +33,7 @@ func (this *DBNodeService) CreateDBNode(ctx context.Context, req *pb.CreateDBNod
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if err != nil {
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return nil, err
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}
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return &pb.CreateDBNodeResponse{NodeId: nodeId}, nil
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return &pb.CreateDBNodeResponse{DbNodeId: nodeId}, nil
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}
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// 修改数据库节点
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@@ -40,7 +46,7 @@ func (this *DBNodeService) UpdateDBNode(ctx context.Context, req *pb.UpdateDBNod
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tx := this.NullTx()
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err = models.SharedDBNodeDAO.UpdateNode(tx, req.NodeId, req.IsOn, req.Name, req.Description, req.Host, req.Port, req.Database, req.Username, req.Password, req.Charset)
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err = models.SharedDBNodeDAO.UpdateNode(tx, req.DbNodeId, req.IsOn, req.Name, req.Description, req.Host, req.Port, req.Database, req.Username, req.Password, req.Charset)
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if err != nil {
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return nil, err
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}
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@@ -57,7 +63,7 @@ func (this *DBNodeService) DeleteDBNode(ctx context.Context, req *pb.DeleteDBNod
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tx := this.NullTx()
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err = models.SharedDBNodeDAO.DisableDBNode(tx, req.NodeId)
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err = models.SharedDBNodeDAO.DisableDBNode(tx, req.DbNodeId)
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if err != nil {
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return nil, err
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}
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@@ -98,6 +104,29 @@ func (this *DBNodeService) ListEnabledDBNodes(ctx context.Context, req *pb.ListE
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result := []*pb.DBNode{}
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for _, node := range nodes {
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status := &pb.DBNodeStatus{}
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// 是否能够连接
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if node.IsOn == 1 {
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db, err = dbs.NewInstanceFromConfig(node.DBConfig())
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if err != nil {
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status.Error = err.Error()
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} else {
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one, err := db.FindOne("SELECT SUM(DATA_LENGTH+INDEX_LENGTH) AS size FROM information_schema.`TABLES` WHERE TABLE_SCHEMA=?", db.Name())
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if err != nil {
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status.Error = err.Error()
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_ = db.Close()
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} else if one == nil {
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status.Error = "unable to read size from database server"
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_ = db.Close()
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} else {
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status.IsOk = true
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status.Size = one.GetInt64("size")
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_ = db.Close()
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}
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}
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}
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result = append(result, &pb.DBNode{
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Id: int64(node.Id),
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Name: node.Name,
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@@ -109,9 +138,10 @@ func (this *DBNodeService) ListEnabledDBNodes(ctx context.Context, req *pb.ListE
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Username: node.Username,
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Password: node.Password,
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Charset: node.Charset,
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Status: status,
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})
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}
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return &pb.ListEnabledDBNodesResponse{Nodes: result}, nil
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return &pb.ListEnabledDBNodesResponse{DbNodes: result}, nil
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}
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// 根据ID查找可用的数据库节点
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@@ -124,14 +154,14 @@ func (this *DBNodeService) FindEnabledDBNode(ctx context.Context, req *pb.FindEn
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tx := this.NullTx()
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node, err := models.SharedDBNodeDAO.FindEnabledDBNode(tx, req.NodeId)
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node, err := models.SharedDBNodeDAO.FindEnabledDBNode(tx, req.DbNodeId)
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if err != nil {
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return nil, err
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}
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if node == nil {
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return &pb.FindEnabledDBNodeResponse{Node: nil}, nil
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return &pb.FindEnabledDBNodeResponse{DbNode: nil}, nil
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}
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return &pb.FindEnabledDBNodeResponse{Node: &pb.DBNode{
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return &pb.FindEnabledDBNodeResponse{DbNode: &pb.DBNode{
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Id: int64(node.Id),
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Name: node.Name,
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Description: node.Description,
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@@ -144,3 +174,126 @@ func (this *DBNodeService) FindEnabledDBNode(ctx context.Context, req *pb.FindEn
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Charset: node.Charset,
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}}, nil
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}
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// 获取所有表信息
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func (this *DBNodeService) FindAllDBNodeTables(ctx context.Context, req *pb.FindAllDBNodeTablesRequest) (*pb.FindAllDBNodeTablesResponse, error) {
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_, err := this.ValidateAdmin(ctx, 0)
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if err != nil {
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return nil, err
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}
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var tx = this.NullTx()
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node, err := models.SharedDBNodeDAO.FindEnabledDBNode(tx, req.DbNodeId)
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if err != nil {
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return nil, err
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}
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if node == nil {
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return nil, dbs.ErrNotFound
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}
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db, err := dbs.NewInstanceFromConfig(node.DBConfig())
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if err != nil {
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return nil, err
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}
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defer func() {
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_ = db.Close()
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}()
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ones, _, err := db.FindOnes("SELECT * FROM information_schema.`TABLES` WHERE TABLE_SCHEMA=?", db.Name())
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if err != nil {
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return nil, err
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}
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pbTables := []*pb.DBTable{}
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for _, one := range ones {
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lowerTableName := strings.ToLower(one.GetString("TABLE_NAME"))
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canDelete := false
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canClean := false
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if strings.HasPrefix(lowerTableName, "edgehttpaccesslogs_") {
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canDelete = true
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canClean = true
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} else if lists.ContainsString([]string{"edgemessages", "edgelogs", "edgenodelogs"}, lowerTableName) {
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canClean = true
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}
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pbTables = append(pbTables, &pb.DBTable{
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Name: one.GetString("TABLE_NAME"),
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Schema: one.GetString("TABLE_SCHEMA"),
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Type: one.GetString("TABLE_TYPE"),
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Engine: one.GetString("ENGINE"),
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Rows: one.GetInt64("TABLE_ROWS"),
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DataLength: one.GetInt64("DATA_LENGTH"),
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IndexLength: one.GetInt64("INDEX_LENGTH"),
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Comment: one.GetString("TABLE_COMMENT"),
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Collation: one.GetString("TABLE_COLLATION"),
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IsBaseTable: one.GetString("TABLE_TYPE") == "BASE TABLE",
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CanClean: canClean,
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CanDelete: canDelete,
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})
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}
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return &pb.FindAllDBNodeTablesResponse{DbNodeTables: pbTables}, nil
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}
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// 删除表
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func (this *DBNodeService) DeleteDBNodeTable(ctx context.Context, req *pb.DeleteDBNodeTableRequest) (*pb.RPCSuccess, error) {
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_, err := this.ValidateAdmin(ctx, 0)
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if err != nil {
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return nil, err
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}
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var tx = this.NullTx()
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node, err := models.SharedDBNodeDAO.FindEnabledDBNode(tx, req.DbNodeId)
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if err != nil {
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return nil, err
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}
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if node == nil {
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return nil, dbs.ErrNotFound
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}
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db, err := dbs.NewInstanceFromConfig(node.DBConfig())
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if err != nil {
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return nil, err
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}
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defer func() {
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_ = db.Close()
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}()
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// 检查是否能够删除
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if !strings.HasPrefix(strings.ToLower(req.DbNodeTable), "edgehttpaccesslogs_") {
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return nil, errors.New("forbidden to delete the table")
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}
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_, err = db.Exec("DROP TABLE `" + req.DbNodeTable + "`")
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if err != nil {
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return nil, err
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}
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return this.Success()
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}
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// 清空表
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func (this *DBNodeService) TruncateDBNodeTable(ctx context.Context, req *pb.TruncateDBNodeTableRequest) (*pb.RPCSuccess, error) {
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_, err := this.ValidateAdmin(ctx, 0)
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if err != nil {
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return nil, err
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}
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var tx = this.NullTx()
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node, err := models.SharedDBNodeDAO.FindEnabledDBNode(tx, req.DbNodeId)
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if err != nil {
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return nil, err
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}
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if node == nil {
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return nil, dbs.ErrNotFound
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}
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db, err := dbs.NewInstanceFromConfig(node.DBConfig())
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if err != nil {
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return nil, err
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}
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defer func() {
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_ = db.Close()
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}()
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_, err = db.Exec("TRUNCATE TABLE `" + req.DbNodeTable + "`")
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if err != nil {
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return nil, err
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}
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return this.Success()
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}
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