78 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package golinters
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import (
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	"fmt"
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	"sync"
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	"github.com/yeya24/promlinter"
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	"golang.org/x/tools/go/analysis"
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	"github.com/golangci/golangci-lint/pkg/config"
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	"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
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	"github.com/golangci/golangci-lint/pkg/lint/linter"
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	"github.com/golangci/golangci-lint/pkg/result"
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)
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const promlinterName = "promlinter"
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func NewPromlinter(settings *config.PromlinterSettings) *goanalysis.Linter {
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	var mu sync.Mutex
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	var resIssues []goanalysis.Issue
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	var promSettings promlinter.Setting
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	if settings != nil {
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		promSettings = promlinter.Setting{
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			Strict:            settings.Strict,
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			DisabledLintFuncs: settings.DisabledLinters,
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		}
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	}
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	analyzer := &analysis.Analyzer{
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		Name: promlinterName,
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		Doc:  goanalysis.TheOnlyanalyzerDoc,
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		Run: func(pass *analysis.Pass) (interface{}, error) {
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			issues := runPromLinter(pass, promSettings)
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			if len(issues) == 0 {
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				return nil, nil
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			}
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			mu.Lock()
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			resIssues = append(resIssues, issues...)
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			mu.Unlock()
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			return nil, nil
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		},
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	}
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	return goanalysis.NewLinter(
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		promlinterName,
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		"Check Prometheus metrics naming via promlint",
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		[]*analysis.Analyzer{analyzer},
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		nil,
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	).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
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		return resIssues
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	}).WithLoadMode(goanalysis.LoadModeSyntax)
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}
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func runPromLinter(pass *analysis.Pass, promSettings promlinter.Setting) []goanalysis.Issue {
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	lintIssues := promlinter.RunLint(pass.Fset, pass.Files, promSettings)
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	if len(lintIssues) == 0 {
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		return nil
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	}
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	issues := make([]goanalysis.Issue, len(lintIssues))
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	for k, i := range lintIssues {
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		issue := result.Issue{
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			Pos:        i.Pos,
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			Text:       fmt.Sprintf("Metric: %s Error: %s", i.Metric, i.Text),
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			FromLinter: promlinterName,
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		}
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		issues[k] = goanalysis.NewIssue(&issue, pass)
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	}
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	return issues
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}
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