feat: modify error handling to return a list of errors to display to …

…the user at the end of analysis without blocking it if an error is detected (e.g., version of an object is not available on user's cluster)

Signed-off-by: Matthis <matthish29@gmail.com>

cmd/analyze/analyze.go

@@ -36,10 +36,11 @@ var AnalyzeCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		err = config.RunAnalysis()
-		if err != nil {
-			color.Red("Error: %v", err)
-			os.Exit(1)
+		analysisErrors := config.RunAnalysis()
+		if len(analysisErrors) != 0 {
+			for _, err := range analysisErrors {
+				color.Red("Error: %s", err)
+			}
 		}
 
 		if explain {

pkg/analysis/analysis.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"reflect"
 	"strings"
 
 	"github.com/fatih/color"
@@ -95,7 +96,7 @@ func NewAnalysis(backend string, language string, filters []string, namespace st
 	}, nil
 }
 
-func (a *Analysis) RunAnalysis() error {
+func (a *Analysis) RunAnalysis() []error {
 	activeFilters := viper.GetStringSlice("active_filters")
 
 	analyzerMap := analyzer.GetAnalyzerMap()
@@ -107,16 +108,18 @@ func (a *Analysis) RunAnalysis() error {
 		AIClient:  a.AIClient,
 	}
 
+	var errorList []error
+
 	// if there are no filters selected and no active_filters then run all of them
 	if len(a.Filters) == 0 && len(activeFilters) == 0 {
 		for _, analyzer := range analyzerMap {
 			results, err := analyzer.Analyze(analyzerConfig)
 			if err != nil {
-				return err
+				errorList = append(errorList, errors.New(fmt.Sprintf("[%s] %s", reflect.TypeOf(analyzer).Name(), err)))
 			}
 			a.Results = append(a.Results, results...)
 		}
-		return nil
+		return errorList
 	}
 
 	// if the filters flag is specified
@@ -125,27 +128,27 @@ func (a *Analysis) RunAnalysis() error {
 			if analyzer, ok := analyzerMap[filter]; ok {
 				results, err := analyzer.Analyze(analyzerConfig)
 				if err != nil {
-					return err
+					errorList = append(errorList, errors.New(fmt.Sprintf("[%s] %s", filter, err)))
 				}
 				a.Results = append(a.Results, results...)
 			} else {
-				return errors.New(fmt.Sprintf("\"%s\" filter does not exist. Please run k8sgpt filters list.", filter))
+				errorList = append(errorList, errors.New(fmt.Sprintf("\"%s\" filter does not exist. Please run k8sgpt filters list.", filter)))
 			}
 		}
-		return nil
+		return errorList
 	}
 
 	// use active_filters
 	for _, filter := range activeFilters {
 		if analyzer, ok := analyzerMap[filter]; ok {
 			results, err := analyzer.Analyze(analyzerConfig)
 			if err != nil {
-				return err
+				errorList = append(errorList, errors.New(fmt.Sprintf("[%s] %s", filter, err)))
 			}
 			a.Results = append(a.Results, results...)
 		}
 	}
-	return nil
+	return errorList
 }
 
 func (a *Analysis) GetAIResults(output string, anonymize bool) error {

pkg/server/server.go

@@ -55,12 +55,14 @@ func (s *Config) analyzeHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err = config.RunAnalysis()
-	if err != nil {
-		color.Red("Error: %v", err)
+	analysisErrors := config.RunAnalysis()
+	if analysisErrors != nil {
+		var errorMessage string
+		for _, err := range analysisErrors {
+			errorMessage += err.Error() + "\n"
+		}
+		http.Error(w, errorMessage, http.StatusInternalServerError)
 		health.Failure++
-		http.Error(w, err.Error(), http.StatusInternalServerError)
-		return
 	}
 
 	if explain {