github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/lorry/operations/user/describe.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package user
    21  
    22  import (
    23  	"context"
    24  	"encoding/json"
    25  	"fmt"
    26  
    27  	"github.com/go-logr/logr"
    28  	"github.com/pkg/errors"
    29  	ctrl "sigs.k8s.io/controller-runtime"
    30  
    31  	"github.com/1aal/kubeblocks/pkg/lorry/engines"
    32  	"github.com/1aal/kubeblocks/pkg/lorry/engines/models"
    33  	"github.com/1aal/kubeblocks/pkg/lorry/engines/register"
    34  	"github.com/1aal/kubeblocks/pkg/lorry/operations"
    35  	"github.com/1aal/kubeblocks/pkg/lorry/util"
    36  )
    37  
    38  type DescribeUser struct {
    39  	operations.Base
    40  	dbManager engines.DBManager
    41  	logger    logr.Logger
    42  }
    43  
    44  var describeUser operations.Operation = &DescribeUser{}
    45  
    46  func init() {
    47  	err := operations.Register("describeuser", describeUser)
    48  	if err != nil {
    49  		panic(err.Error())
    50  	}
    51  }
    52  
    53  func (s *DescribeUser) Init(ctx context.Context) error {
    54  	dbManager, err := register.GetDBManager()
    55  	if err != nil {
    56  		return errors.Wrap(err, "get manager failed")
    57  	}
    58  	s.dbManager = dbManager
    59  	s.logger = ctrl.Log.WithName("describeUser")
    60  	return nil
    61  }
    62  
    63  func (s *DescribeUser) IsReadonly(ctx context.Context) bool {
    64  	return true
    65  }
    66  
    67  func (s *DescribeUser) PreCheck(ctx context.Context, req *operations.OpsRequest) error {
    68  	userInfo, err := UserInfoParser(req)
    69  	if err != nil {
    70  		return err
    71  	}
    72  
    73  	return userInfo.UserNameValidator()
    74  }
    75  
    76  func (s *DescribeUser) Do(ctx context.Context, req *operations.OpsRequest) (*operations.OpsResponse, error) {
    77  	userInfo, _ := UserInfoParser(req)
    78  	resp := operations.NewOpsResponse(util.DescribeUserOp)
    79  
    80  	result, err := s.dbManager.DescribeUser(ctx, userInfo.UserName)
    81  	if err != nil {
    82  		s.logger.Info("executing describeUser error", "error", err)
    83  		return resp, err
    84  	}
    85  
    86  	resp.Data["user"] = result
    87  	return resp.WithSuccess("")
    88  }
    89  
    90  func UserInfoParser(req *operations.OpsRequest) (*models.UserInfo, error) {
    91  	user := &models.UserInfo{}
    92  	if req == nil || req.Parameters == nil {
    93  		return nil, fmt.Errorf("no Parameters provided")
    94  	} else if jsonData, err := json.Marshal(req.Parameters); err != nil {
    95  		return nil, err
    96  	} else if err = json.Unmarshal(jsonData, user); err != nil {
    97  		return nil, err
    98  	}
    99  	return user, nil
   100  }