github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/cli/preflight/analyzer/host_region.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 analyzer
    21  
    22  import (
    23  	"encoding/json"
    24  	"fmt"
    25  	"strings"
    26  
    27  	"github.com/pkg/errors"
    28  	analyzer "github.com/replicatedhq/troubleshoot/pkg/analyze"
    29  
    30  	preflightv1beta2 "github.com/1aal/kubeblocks/externalapis/preflight/v1beta2"
    31  	kbcollector "github.com/1aal/kubeblocks/pkg/cli/preflight/collector"
    32  	"github.com/1aal/kubeblocks/pkg/cli/preflight/util"
    33  )
    34  
    35  type AnalyzeClusterRegion struct {
    36  	analyzer *preflightv1beta2.ClusterRegionAnalyze
    37  }
    38  
    39  func (a *AnalyzeClusterRegion) Title() string {
    40  	return util.TitleOrDefault(a.analyzer.AnalyzeMeta, "Cluster Region")
    41  }
    42  
    43  func (a *AnalyzeClusterRegion) IsExcluded() (bool, error) {
    44  	return util.IsExcluded(a.analyzer.Exclude)
    45  }
    46  
    47  func (a *AnalyzeClusterRegion) Analyze(getFile func(string) ([]byte, error)) ([]*analyzer.AnalyzeResult, error) {
    48  	collected, err := getFile(kbcollector.ClusterRegionPath)
    49  	if err != nil {
    50  		return nil, errors.Wrap(err, "failed to get contents of region_name.json")
    51  	}
    52  	regionInfo := kbcollector.ClusterRegionInfo{}
    53  	if err := json.Unmarshal(collected, &regionInfo); err != nil {
    54  		return nil, errors.Wrap(err, "failed to unmarshal region info")
    55  	}
    56  
    57  	isMatched := false
    58  	regionName := regionInfo.RegionName
    59  	for _, expectedRegionName := range a.analyzer.RegionNames {
    60  		if strings.EqualFold(regionName, expectedRegionName) {
    61  			isMatched = true
    62  			break
    63  		}
    64  	}
    65  
    66  	strRegionInfo := fmt.Sprintf(" target cluster region is %s.", regionName)
    67  	result := &analyzer.AnalyzeResult{
    68  		Title: a.Title(),
    69  	}
    70  	for _, outcome := range a.analyzer.Outcomes {
    71  		switch {
    72  		case isMatched && outcome.Pass != nil:
    73  			result.IsPass = true
    74  			result.Message = outcome.Pass.Message + strRegionInfo
    75  			result.URI = outcome.Pass.URI
    76  		case !isMatched && outcome.Warn != nil:
    77  			result.IsWarn = true
    78  			result.Message = outcome.Warn.Message + strRegionInfo
    79  			result.URI = outcome.Warn.URI
    80  		case !isMatched && outcome.Fail != nil:
    81  			// just return warning info even if outcome.Fail is set
    82  			result.IsWarn = true
    83  			result.Message = outcome.Fail.Message + strRegionInfo
    84  			result.URI = outcome.Fail.URI
    85  		default:
    86  		}
    87  	}
    88  	result.Strict = a.analyzer.Strict.BoolOrDefaultFalse()
    89  	return []*analyzer.AnalyzeResult{result}, nil
    90  }