github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/cli/cmd/playground/base.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 playground
    21  
    22  import (
    23  	"fmt"
    24  	"os"
    25  	"path/filepath"
    26  	"time"
    27  
    28  	cp "github.com/1aal/kubeblocks/pkg/cli/cloudprovider"
    29  )
    30  
    31  type baseOptions struct {
    32  	startTime time.Time
    33  	Timeout   time.Duration
    34  	// prevCluster is the previous cluster info
    35  	prevCluster *cp.K8sClusterInfo
    36  	// kubeConfigPath is the tmp kubeconfig path that will be used when init and destroy
    37  	kubeConfigPath string
    38  	// stateFilePath is the state file path
    39  	stateFilePath string
    40  }
    41  
    42  func (o *baseOptions) validate() error {
    43  	playgroundDir, err := initPlaygroundDir()
    44  	if err != nil {
    45  		return err
    46  	}
    47  
    48  	o.kubeConfigPath = filepath.Join(playgroundDir, "kubeconfig")
    49  	if _, err = os.Stat(o.kubeConfigPath); err == nil {
    50  		if err = os.Remove(o.kubeConfigPath); err != nil {
    51  			return err
    52  		}
    53  	}
    54  
    55  	o.stateFilePath = filepath.Join(playgroundDir, stateFileName)
    56  	o.prevCluster, err = readClusterInfoFromFile(o.stateFilePath)
    57  	if err != nil {
    58  		return err
    59  	}
    60  
    61  	// check existed cluster info
    62  	if o.prevCluster != nil && !o.prevCluster.IsValid() {
    63  		return fmt.Errorf("invalid playground kubernetes cluster info from state file %s, %v", o.stateFilePath, o.prevCluster)
    64  	}
    65  	return nil
    66  }