chore(main): release 0.4.20 (#1533)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1 +1 @@
-{".":"0.4.19"}
+{".":"0.4.20"}

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.4.20](https://github.com/k8sgpt-ai/k8sgpt/compare/v0.4.19...v0.4.20) (2025-06-20)
+
+
+### Features
+
+* added cache purge ([#1532](https://github.com/k8sgpt-ai/k8sgpt/issues/1532)) ([74fbde0](https://github.com/k8sgpt-ai/k8sgpt/commit/74fbde00537e627c408b317ff9098227be11e2ad))
+
+
+### Other
+
+* model name ([#1535](https://github.com/k8sgpt-ai/k8sgpt/issues/1535)) ([0f700f0](https://github.com/k8sgpt-ai/k8sgpt/commit/0f700f0cd39bf5881d6c05240b842f4df7a6c016))
+
 ## [0.4.19](https://github.com/k8sgpt-ai/k8sgpt/compare/v0.4.18...v0.4.19) (2025-06-20)
 
 

README.md

@@ -62,7 +62,7 @@ brew install k8sgpt
   <!---x-release-please-start-version-->
 
   ```
-  sudo rpm -ivh https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_386.rpm
+  sudo rpm -ivh https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_386.rpm
   ```
   <!---x-release-please-end-->
 
@@ -70,7 +70,7 @@ brew install k8sgpt
 
   <!---x-release-please-start-version-->
   ```
-  sudo rpm -ivh https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_amd64.rpm
+  sudo rpm -ivh https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_amd64.rpm
   ```
   <!---x-release-please-end-->
 </details>
@@ -83,7 +83,7 @@ brew install k8sgpt
   <!---x-release-please-start-version-->
 
 ```
-curl -LO https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_386.deb
+curl -LO https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_386.deb
 sudo dpkg -i k8sgpt_386.deb
 ```
 
@@ -94,7 +94,7 @@ sudo dpkg -i k8sgpt_386.deb
   <!---x-release-please-start-version-->
 
 ```
-curl -LO https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_amd64.deb
+curl -LO https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_amd64.deb
 sudo dpkg -i k8sgpt_amd64.deb
 ```
 
@@ -109,7 +109,7 @@ sudo dpkg -i k8sgpt_amd64.deb
 
   <!---x-release-please-start-version-->
   ```
-  wget https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_386.apk
+  wget https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_386.apk
   apk add --allow-untrusted k8sgpt_386.apk
   ```
   <!---x-release-please-end-->
@@ -118,7 +118,7 @@ sudo dpkg -i k8sgpt_amd64.deb
 
   <!---x-release-please-start-version-->
   ```
-  wget https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.19/k8sgpt_amd64.apk
+  wget https://github.com/k8sgpt-ai/k8sgpt/releases/download/v0.4.20/k8sgpt_amd64.apk
   apk add --allow-untrusted k8sgpt_amd64.apk
   ```
   <!---x-release-please-end-->

cmd/cache/purge.go

@@ -23,23 +23,51 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var all bool
+
 var purgeCmd = &cobra.Command{
 	Use:   "purge [object name]",
 	Short: "Purge a remote cache",
-	Long:  "This command allows you to delete/purge one object from the cache",
+	Long:  "This command allows you to delete/purge one object from the cache or all objects with --all flag.",
 	Run: func(cmd *cobra.Command, args []string) {
-		if len(args) == 0 {
-			color.Red("Error: Please provide a value for object name. Run k8sgpt cache purge --help")
-			os.Exit(1)
-		}
-		objectKey := args[0]
-		fmt.Println(color.YellowString("Purging a remote cache."))
 		c, err := cache.GetCacheConfiguration()
 		if err != nil {
 			color.Red("Error: %v", err)
 			os.Exit(1)
 		}
 
+		if all {
+			fmt.Println(color.YellowString("Purging all objects from the remote cache."))
+			names, err := c.List()
+			if err != nil {
+				color.Red("Error listing cache objects: %v", err)
+				os.Exit(1)
+			}
+			if len(names) == 0 {
+				fmt.Println(color.GreenString("No objects to delete."))
+				return
+			}
+			var failed []string
+			for _, obj := range names {
+				err := c.Remove(obj.Name)
+				if err != nil {
+					failed = append(failed, obj.Name)
+				}
+			}
+			if len(failed) > 0 {
+				color.Red("Failed to delete: %v", failed)
+				os.Exit(1)
+			}
+			fmt.Println(color.GreenString("All objects deleted."))
+			return
+		}
+
+		if len(args) == 0 {
+			color.Red("Error: Please provide a value for object name or use --all. Run k8sgpt cache purge --help")
+			os.Exit(1)
+		}
+		objectKey := args[0]
+		fmt.Println(color.YellowString("Purging a remote cache."))
 		err = c.Remove(objectKey)
 		if err != nil {
 			color.Red("Error: %v", err)
@@ -50,5 +78,6 @@ var purgeCmd = &cobra.Command{
 }
 
 func init() {
+	purgeCmd.Flags().BoolVar(&all, "all", false, "Purge all objects in the cache")
 	CacheCmd.AddCommand(purgeCmd)
 }

pkg/ai/amazonbedrock.go

@@ -380,6 +380,9 @@ func (a *AmazonBedRockClient) Configure(config IAIConfig) error {
 			awsconfig.WithRegion(region),
 		)
 		if err != nil {
+			if strings.Contains(err.Error(), "InvalidAccessKeyId") || strings.Contains(err.Error(), "SignatureDoesNotMatch") || strings.Contains(err.Error(), "NoCredentialProviders") {
+				return fmt.Errorf("AWS credentials are invalid or missing. Please check your AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables or AWS config. Details: %v", err)
+			}
 			return fmt.Errorf("failed to load AWS config for region %s: %w", region, err)
 		}
 
@@ -523,6 +526,9 @@ func (a *AmazonBedRockClient) GetCompletion(ctx context.Context, prompt string)
 	// Invoke the model
 	resp, err := a.client.InvokeModel(ctx, params)
 	if err != nil {
+		if strings.Contains(err.Error(), "InvalidAccessKeyId") || strings.Contains(err.Error(), "SignatureDoesNotMatch") || strings.Contains(err.Error(), "NoCredentialProviders") {
+			return "", fmt.Errorf("AWS credentials are invalid or missing. Please check your AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables or AWS config. Details: %v", err)
+		}
 		return "", err
 	}
 

pkg/ai/bedrock_support/completions.go

@@ -88,9 +88,8 @@ func IsModelSupported(modelName string, supportedModels []string) bool {
 
 // Note: The caller should check model support before calling GetCompletion.
 func (a *AmazonCompletion) GetCompletion(ctx context.Context, prompt string, modelConfig BedrockModelConfig) ([]byte, error) {
-	// Defensive: if the model is not supported, return an error
-	if a == nil || modelConfig.ModelName == "unsupported-model" {
-		return nil, fmt.Errorf("model %s is not supported", modelConfig.ModelName)
+	if a == nil || modelConfig.ModelName == "" {
+		return nil, fmt.Errorf("no model name provided to Bedrock completion")
 	}
 	if strings.Contains(modelConfig.ModelName, "nova") {
 		return a.GetNovaCompletion(ctx, prompt, modelConfig)
@@ -113,7 +112,6 @@ func (a *AmazonCompletion) GetDefaultCompletion(ctx context.Context, prompt stri
 		return []byte{}, err
 	}
 	return body, nil
-
 }
 
 func (a *AmazonCompletion) GetNovaCompletion(ctx context.Context, prompt string, modelConfig BedrockModelConfig) ([]byte, error) {

pkg/ai/bedrock_support/completions_test.go

@@ -158,21 +158,6 @@ func TestAmazonCompletion_GetCompletion_Default(t *testing.T) {
 	assert.Equal(t, 0.7, textConfig["topP"])
 }
 
-func TestAmazonCompletion_GetCompletion_UnsupportedModel(t *testing.T) {
-	completion := &AmazonCompletion{}
-	modelConfig := BedrockModelConfig{
-		MaxTokens:   200,
-		Temperature: 0.5,
-		TopP:        0.7,
-		ModelName:   "unsupported-model",
-	}
-	prompt := "Test prompt"
-
-	_, err := completion.GetCompletion(context.Background(), prompt, modelConfig)
-	assert.Error(t, err)
-	assert.Contains(t, err.Error(), "model unsupported-model is not supported")
-}
-
 func TestAmazonCompletion_GetCompletion_Inference_Profile(t *testing.T) {
 	completion := &AmazonCompletion{}
 	modelConfig := BedrockModelConfig{

pkg/cache/s3_based.go

@@ -3,8 +3,9 @@ package cache
 import (
 	"bytes"
 	"crypto/tls"
-	"log"
+	"errors"
 	"net/http"
+	"strings"
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/session"
@@ -27,16 +28,19 @@ type S3CacheConfiguration struct {
 
 func (s *S3Cache) Configure(cacheInfo CacheProvider) error {
 	if cacheInfo.S3.BucketName == "" {
-		log.Fatal("Bucket name not configured")
+		return errors.New("bucket name not configured")
 	}
 	s.bucketName = cacheInfo.S3.BucketName
 
-	sess := session.Must(session.NewSessionWithOptions(session.Options{
+	sess, err := session.NewSessionWithOptions(session.Options{
 		SharedConfigState: session.SharedConfigEnable,
 		Config: aws.Config{
 			Region: aws.String(cacheInfo.S3.Region),
 		},
-	}))
+	})
+	if err != nil {
+		return errors.New("failed to create AWS session; please check your AWS credentials and configuration: " + err.Error())
+	}
 	if cacheInfo.S3.Endpoint != "" {
 		sess.Config.Endpoint = &cacheInfo.S3.Endpoint
 		sess.Config.S3ForcePathStyle = aws.Bool(true)
@@ -50,10 +54,14 @@ func (s *S3Cache) Configure(cacheInfo CacheProvider) error {
 	s3Client := s3.New(sess)
 
 	// Check if the bucket exists, if not create it
-	_, err := s3Client.HeadBucket(&s3.HeadBucketInput{
+	_, err = s3Client.HeadBucket(&s3.HeadBucketInput{
 		Bucket: aws.String(cacheInfo.S3.BucketName),
 	})
 	if err != nil {
+		// Check for AWS credentials error
+		if strings.Contains(err.Error(), "InvalidAccessKeyId") || strings.Contains(err.Error(), "SignatureDoesNotMatch") || strings.Contains(err.Error(), "NoCredentialProviders") {
+			return errors.New("aws credentials are invalid or missing; please check your AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables or AWS config")
+		}
 		_, err = s3Client.CreateBucket(&s3.CreateBucketInput{
 			Bucket: aws.String(cacheInfo.S3.BucketName),
 		})