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feat(linting): Add support for linting decK files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package cmd | ||
|
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "strings" | ||
|
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| "github.com/daveshanley/vacuum/motor" | ||
| "github.com/daveshanley/vacuum/rulesets" | ||
| "github.com/kong/go-apiops/filebasics" | ||
| "github.com/kong/go-apiops/logbasics" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| var ( | ||
| cmdLintInputFilename string | ||
| cmdLintInputRuleset string | ||
| ) | ||
|
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| func executeLint(cmd *cobra.Command, _ []string) error { | ||
|
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| severityList := map[string]int{ | ||
| "hint": 0, | ||
| "info": 1, | ||
| "warn": 2, | ||
| "error": 3, | ||
| } | ||
|
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| verbosity, _ := cmd.Flags().GetInt("verbose") | ||
| logbasics.Initialize(log.LstdFlags, verbosity) | ||
|
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| inputFilename, err := cmd.Flags().GetString("state") | ||
|
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| if err != nil { | ||
| return fmt.Errorf("failed getting cli argument 'state'; %w", err) | ||
| } | ||
|
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| minimumSeverity, err := cmd.Flags().GetString("fail-severity") | ||
|
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| if err != nil { | ||
| return fmt.Errorf("failed getting cli argument 'fail-severity'; %w", err) | ||
| } | ||
|
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| onlyFailures, err := cmd.Flags().GetBool("display-only-failures") | ||
|
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| if err != nil { | ||
| return fmt.Errorf("failed getting cli argument 'display-only-failures'; %w", err) | ||
| } | ||
|
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| var outputFormat string | ||
| { | ||
| outputFormat, err = cmd.Flags().GetString("format") | ||
| if err != nil { | ||
| return fmt.Errorf("failed getting cli argument 'format'; %w", err) | ||
| } | ||
| outputFormat = strings.ToUpper(outputFormat) | ||
| } | ||
|
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| inputRuleset, err := cmd.Flags().GetString("ruleset") | ||
|
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| if err != nil || inputRuleset == "" { | ||
| return fmt.Errorf("failed getting cli argument 'ruleset';") | ||
| } | ||
|
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| ruleSetBytes, err := ioutil.ReadFile(inputRuleset) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
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| customRuleSet, rsErr := rulesets.CreateRuleSetFromData(ruleSetBytes) | ||
|
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| if rsErr != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
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| specBytes, err := ioutil.ReadFile(inputFilename) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
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| ruleSetResults := motor.ApplyRulesToRuleSet(&motor.RuleSetExecution{ | ||
| RuleSet: customRuleSet, | ||
| Spec: specBytes, | ||
| SkipDocumentCheck: true, | ||
| }) | ||
|
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| failingCount := 0 | ||
| totalCount := 0 | ||
|
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| var lintResults []map[string]interface{} | ||
| for _, x := range ruleSetResults.Results { | ||
|
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| if onlyFailures && (x.Rule.Severity != "error") { | ||
| continue | ||
| } | ||
|
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| if severityList[x.Rule.Severity] >= severityList[minimumSeverity] { | ||
| failingCount++ | ||
| } | ||
|
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| totalCount++ | ||
|
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| lintResults = append(lintResults, map[string]interface{}{ | ||
| "message": x.Message, | ||
| "path": x.Rule.Given, | ||
| "line": x.StartNode.Line, | ||
| "column": x.StartNode.Column, | ||
| "severity": x.Rule.Severity, | ||
| }) | ||
| } | ||
|
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| lintErrs := map[string]interface{}{ | ||
| "total_count": totalCount, | ||
| "fail_count": failingCount, | ||
| "results": lintResults, | ||
| } | ||
|
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| if outputFormat == "DEFAULT" { | ||
| if totalCount > 0 { | ||
| fmt.Printf("Linting Violations: %d\n", totalCount) | ||
| fmt.Printf("Failures: %d\n\n", failingCount) | ||
| for _, violation := range lintErrs["results"].([]map[string]interface{}) { | ||
| fmt.Printf("[%d:%d] %s\n", violation["line"], violation["column"], violation["message"]) | ||
| } | ||
| } | ||
| } else { | ||
| filebasics.WriteSerializedFile("-", lintErrs, filebasics.OutputFormat(outputFormat)) | ||
| } | ||
|
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| if failingCount > 0 { | ||
| // We don't want to print the error here as they're already output above | ||
| // But we _do_ want to set an exit code of failure | ||
| cmd.SilenceErrors = true | ||
| return errors.New("linting errors detected") | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| // | ||
| // | ||
| // Define the CLI data for the lint command | ||
| // | ||
| // | ||
|
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| func newLintCmd() *cobra.Command { | ||
| lintCmd := &cobra.Command{ | ||
| Use: "lint [flags] lint-file", | ||
| Short: "Short description here", | ||
| Long: `Long description Here`, | ||
| RunE: executeLint, | ||
| } | ||
|
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| lintCmd.Flags().StringVarP(&cmdLintInputFilename, "state", "s", "-", | ||
| "decK file to process. Use - to read from stdin.") | ||
| lintCmd.Flags().StringVarP(&cmdLintInputRuleset, "ruleset", "r", "", | ||
| "Ruleset to apply to the state file.") | ||
| lintCmd.Flags().StringP("format", "", "default", "output format: default, "+ | ||
| string(filebasics.OutputFormatJSON)+" or "+string(filebasics.OutputFormatYaml)) | ||
| lintCmd.Flags().StringP("fail-severity", "", "warn", "minimum severity to fail on") | ||
| lintCmd.Flags().BoolP("display-only-failures", "D", false, "only display failures") | ||
|
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| return lintCmd | ||
| } | ||
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