chore(main): release 0.4.21 (#1536)

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

.github/workflows/build_container.yaml

@@ -93,7 +93,7 @@ jobs:
         uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
 
       - name: Build and push multi-arch image
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6

.github/workflows/release.yaml

@@ -97,7 +97,7 @@ jobs:
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3

.release-please-manifest.json

@@ -1 +1 @@
-{".":"0.4.19"}
+{".":"0.4.21"}

CHANGELOG.md

@@ -1,5 +1,35 @@
 # Changelog
 
+## [0.4.21](https://github.com/k8sgpt-ai/k8sgpt/compare/v0.4.20...v0.4.21) (2025-06-27)
+
+
+### Features
+
+* add latest and legacy stable models ([#1539](https://github.com/k8sgpt-ai/k8sgpt/issues/1539)) ([00c0799](https://github.com/k8sgpt-ai/k8sgpt/commit/00c07999e2290e70a6ecb95b255b4924f55ecd5f))
+* support for claude4 && model names listed ([#1540](https://github.com/k8sgpt-ai/k8sgpt/issues/1540)) ([8002d94](https://github.com/k8sgpt-ai/k8sgpt/commit/8002d943453aac8c3675d7072b25dfdc3aec1c1d))
+
+
+### Bug Fixes
+
+* **deps:** update module gopkg.in/yaml.v2 to v3 ([#1511](https://github.com/k8sgpt-ai/k8sgpt/issues/1511)) ([08f2855](https://github.com/k8sgpt-ai/k8sgpt/commit/08f2855a4d7e61f3422cb68b0966272a85f617a5))
+
+
+### Other
+
+* **deps:** update docker/setup-buildx-action digest to e468171 ([#1527](https://github.com/k8sgpt-ai/k8sgpt/issues/1527)) ([0c917fc](https://github.com/k8sgpt-ai/k8sgpt/commit/0c917fc60115ef0dc775e858a55964382b20c5e1))
+
+## [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/v0.4.21/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/v0.4.21/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/v0.4.21/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/v0.4.21/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/v0.4.21/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/v0.4.21/k8sgpt_amd64.apk
   apk add --allow-untrusted k8sgpt_amd64.apk
   ```
   <!---x-release-please-end-->

SUPPORTED_MODELS.md

@@ -0,0 +1,75 @@
+# Supported AI Providers and Models in K8sGPT
+
+K8sGPT supports a variety of AI/LLM providers (backends). Some providers have a fixed set of supported models, while others allow you to specify any model supported by the provider.
+
+---
+
+## Providers and Supported Models
+
+### OpenAI
+- **Model:** User-configurable (any model supported by OpenAI, e.g., `gpt-3.5-turbo`, `gpt-4`, etc.)
+
+### Azure OpenAI
+- **Model:** User-configurable (any model deployed in your Azure OpenAI resource)
+
+### LocalAI
+- **Model:** User-configurable (default: `llama3`)
+
+### Ollama
+- **Model:** User-configurable (default: `llama3`, others can be specified)
+
+### NoOpAI
+- **Model:** N/A (no real model, used for testing)
+
+### Cohere
+- **Model:** User-configurable (any model supported by Cohere)
+
+### Amazon Bedrock
+- **Supported Models:**
+  - anthropic.claude-sonnet-4-20250514-v1:0
+  - us.anthropic.claude-sonnet-4-20250514-v1:0
+  - eu.anthropic.claude-sonnet-4-20250514-v1:0
+  - us.anthropic.claude-3-7-sonnet-20250219-v1:0
+  - eu.anthropic.claude-3-7-sonnet-20250219-v1:0
+  - anthropic.claude-3-5-sonnet-20240620-v1:0
+  - us.anthropic.claude-3-5-sonnet-20241022-v2:0
+  - anthropic.claude-v2
+  - anthropic.claude-v1
+  - anthropic.claude-instant-v1
+  - ai21.j2-ultra-v1
+  - ai21.j2-jumbo-instruct
+  - amazon.titan-text-express-v1
+  - amazon.nova-pro-v1:0
+  - eu.amazon.nova-pro-v1:0
+  - us.amazon.nova-pro-v1:0
+  - amazon.nova-lite-v1:0
+  - eu.amazon.nova-lite-v1:0
+  - us.amazon.nova-lite-v1:0
+  - anthropic.claude-3-haiku-20240307-v1:0
+
+### Amazon SageMaker
+- **Model:** User-configurable (any model deployed in your SageMaker endpoint)
+
+### Google GenAI
+- **Model:** User-configurable (any model supported by Google GenAI, e.g., `gemini-pro`)
+
+### Huggingface
+- **Model:** User-configurable (any model supported by Huggingface Inference API)
+
+### Google VertexAI
+- **Supported Models:**
+  - gemini-1.0-pro-001
+
+### OCI GenAI
+- **Model:** User-configurable (any model supported by OCI GenAI)
+
+### Custom REST
+- **Model:** User-configurable (any model your custom REST endpoint supports)
+
+### IBM Watsonx
+- **Supported Models:**
+  - ibm/granite-13b-chat-v2
+
+---
+
+For more details on configuring each provider and model, refer to the official K8sGPT documentation and the provider's own documentation. 

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)
 }

go.mod

@@ -54,6 +54,7 @@ require (
 	github.com/pterm/pterm v0.12.80
 	google.golang.org/api v0.218.0
 	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/yaml.v3 v3.0.1
 	sigs.k8s.io/controller-runtime v0.19.3
 	sigs.k8s.io/gateway-api v1.2.1
 )
@@ -160,7 +161,6 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20250115164207-1a7da9e5054f // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	knative.dev/pkg v0.0.0-20241026180704-25f6002b00f3 // indirect
 )
 

pkg/ai/amazonbedrock.go

@@ -59,6 +59,43 @@ var BEDROCKER_SUPPORTED_REGION = []string{
 
 var defaultModels = []bedrock_support.BedrockModel{
 
+	{
+		Name:       "anthropic.claude-sonnet-4-20250514-v1:0",
+		Completion: &bedrock_support.CohereMessagesCompletion{},
+		Response:   &bedrock_support.CohereMessagesResponse{},
+		Config: bedrock_support.BedrockModelConfig{
+			// sensible defaults
+			MaxTokens:   100,
+			Temperature: 0.5,
+			TopP:        0.9,
+			ModelName:   "anthropic.claude-sonnet-4-20250514-v1:0",
+		},
+	},
+	{
+		Name:       "us.anthropic.claude-sonnet-4-20250514-v1:0",
+		Completion: &bedrock_support.CohereMessagesCompletion{},
+		Response:   &bedrock_support.CohereMessagesResponse{},
+		Config: bedrock_support.BedrockModelConfig{
+			// sensible defaults
+			MaxTokens:   100,
+			Temperature: 0.5,
+			TopP:        0.9,
+			ModelName:   "us.anthropic.claude-sonnet-4-20250514-v1:0",
+		},
+	},
+	{
+		Name:       "eu.anthropic.claude-sonnet-4-20250514-v1:0",
+		Completion: &bedrock_support.CohereMessagesCompletion{},
+		Response:   &bedrock_support.CohereMessagesResponse{},
+		Config: bedrock_support.BedrockModelConfig{
+			// sensible defaults
+			MaxTokens:   100,
+			Temperature: 0.5,
+			TopP:        0.9,
+			ModelName:   "eu.anthropic.claude-sonnet-4-20250514-v1:0",
+		},
+	},
+
 	{
 		Name:       "us.anthropic.claude-3-7-sonnet-20250219-v1:0",
 		Completion: &bedrock_support.CohereMessagesCompletion{},
@@ -380,6 +417,9 @@ 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 +563,9 @@ 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/ai/googlevertexai.go

@@ -61,10 +61,22 @@ var VERTEXAI_SUPPORTED_REGION = []string{
 }
 
 const (
-	ModelGeminiProV1 = "gemini-1.0-pro-001"
+	ModelGeminiProV1       = "gemini-1.0-pro-001"    // Retired Model
+	ModelGeminiProV2_5     = "gemini-2.5-pro"        // Latest Stable Model
+	ModelGeminiFlashV2_5   = "gemini-2.5-flash"      // Latest Stable Model
+	ModelGeminiFlashV2     = "gemini-2.0-flash"      // Latest Stable Model
+	ModelGeminiFlashLiteV2 = "gemini-2.0-flash-lite" // Latest Stable Model
+	ModelGeminiProV1_5     = "gemini-1.5-pro-002*"   // Legacy Stable Model
+	ModelGeminiFlashV1_5   = "gemini-1.5-flash-002*" // Legacy Stable Model
 )
 
 var VERTEXAI_MODELS = []string{
+	ModelGeminiProV2_5,
+	ModelGeminiFlashV2_5,
+	ModelGeminiFlashV2,
+	ModelGeminiFlashLiteV2,
+	ModelGeminiProV1_5,
+	ModelGeminiFlashV1_5,
 	ModelGeminiProV1,
 }
 

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),
 		})