interfaced out ai clients

Signed-off-by: Alex Jones <alexsimonjones@gmail.com>

README.md

@@ -3,7 +3,7 @@
   <img alt="Text changing depending on mode. Light: 'So light!' Dark: 'So dark!'" src="./images/banner-black.png" width="600px;">
 </picture>
 
-_Try it out now_
+_Install it now_
 
 ```
 brew tap k8sgpt-ai/k8sgpt
@@ -20,12 +20,11 @@ It has SRE experience codified into it's analyzers and helps to pull out the mos
 
 ```
 # Ensure KUBECONFIG env is set to an active Kubernetes cluster
-k8sgpt auth key <Your OpenAI key>
-
+k8sgpt init 
+k8sgpt auth
 k8sgpt find problems 
 # for more detail
 k8s find problems --explain
-
 ```
 
 ### What about kubectl-ai?

cmd/auth/auth.go

@@ -1,21 +1,41 @@
 package auth
 
 import (
+	"fmt"
+	"os"
+	"strings"
+	"syscall"
+
+	"github.com/fatih/color"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"golang.org/x/term"
 )
 
 // authCmd represents the auth command
 var AuthCmd = &cobra.Command{
 	Use:   "auth",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Short: "Authenticate with your chosen backend",
+	Long:  `Provide the necessary credentials to authenticate with your chosen backend.`,
 	Run: func(cmd *cobra.Command, args []string) {
-		cmd.Help()
+
+		backendType := viper.GetString("backend_type")
+
+		fmt.Printf("Enter %s Key: ", backendType)
+		bytePassword, err := term.ReadPassword(int(syscall.Stdin))
+		if err != nil {
+			color.Red("Error reading %s Key from stdin: %s", backendType,
+				err.Error())
+			os.Exit(1)
+		}
+		password := strings.TrimSpace(string(bytePassword))
+
+		viper.Set(fmt.Sprintf("%s_key", backendType), password)
+		if err := viper.WriteConfig(); err != nil {
+			color.Red("Error writing config file: %s", err.Error())
+			os.Exit(1)
+		}
+		color.Green("key added")
 	},
 }
 

cmd/auth/key.go

@@ -1,42 +0,0 @@
-package auth
-
-import (
-	"fmt"
-	"os"
-	"strings"
-	"syscall"
-
-	"github.com/fatih/color"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-	"golang.org/x/term"
-)
-
-// keyCmd represents the key command
-var keyCmd = &cobra.Command{
-	Use:   "key",
-	Short: "Add a key to OpenAI",
-	Long:  `This command will add a key from OpenAI to enable you to interact with the API`,
-	Run: func(cmd *cobra.Command, args []string) {
-
-		fmt.Print("Enter OpenAI API Key: ")
-		bytePassword, err := term.ReadPassword(int(syscall.Stdin))
-		if err != nil {
-			color.Red("Error reading OpenAI API Key from stdin: %s", err.Error())
-			os.Exit(1)
-		}
-		password := strings.TrimSpace(string(bytePassword))
-
-		viper.Set("openai_api_key", password)
-		if err := viper.WriteConfig(); err != nil {
-			color.Red("Error writing config file: %s", err.Error())
-			os.Exit(1)
-		}
-		color.Green("key added")
-	},
-}
-
-func init() {
-	AuthCmd.AddCommand(keyCmd)
-
-}

cmd/find/problems.go

@@ -2,6 +2,7 @@ package find
 
 import (
 	"context"
+	"fmt"
 	"os"
 
 	"github.com/fatih/color"
@@ -22,10 +23,30 @@ var problemsCmd = &cobra.Command{
 	 provide you with a list of issues that need to be resolved`,
 	Run: func(cmd *cobra.Command, args []string) {
 
-		// Initialise the openAI client
-		openAIClient, err := ai.NewClient()
-		if err != nil {
-			color.Red("Error: %v", err)
+		// get backend from file
+		backendType := viper.GetString("backend_type")
+		if backendType == "" {
+			color.Red("No backend set. Please run k8sgpt init")
+			os.Exit(1)
+		}
+		// get the token with viper
+		token := viper.GetString(fmt.Sprintf("%s_key", backendType))
+		// check if nil
+		if token == "" {
+			color.Red("No %s key set. Please run k8sgpt auth", backendType)
+			os.Exit(1)
+		}
+
+		var aiClient ai.IAI
+		switch backendType {
+		case "openai":
+			aiClient = &ai.OpenAIClient{}
+			if err := aiClient.Configure(token); err != nil {
+				color.Red("Error: %v", err)
+				os.Exit(1)
+			}
+		default:
+			color.Red("Backend not supported")
 			os.Exit(1)
 		}
 
@@ -33,7 +54,7 @@ var problemsCmd = &cobra.Command{
 		// Get kubernetes client from viper
 		client := viper.Get("kubernetesClient").(*kubernetes.Client)
 
-		if err := analyzer.RunAnalysis(ctx, client, openAIClient, explain); err != nil {
+		if err := analyzer.RunAnalysis(ctx, client, aiClient, explain); err != nil {
 			color.Red("Error: %v", err)
 			os.Exit(1)
 		}

cmd/init/init.go

@@ -0,0 +1,42 @@
+package init
+
+import (
+	"os"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	backend string
+)
+
+// authCmd represents the auth command
+var InitCmd = &cobra.Command{
+	Use:   "init",
+	Short: "Initialise k8sgpt with a backend AI provider",
+	Long:  `Currently only OpenAI is supported.`,
+	Run: func(cmd *cobra.Command, args []string) {
+
+		/*
+			This is largely a placeholder for now. In the future we will support
+			multiple backends and this will allow us to set the backend we want to use.
+		*/
+		if backend != "openai" {
+			color.Yellow("Only OpenAI is supported at the moment")
+		}
+		viper.Set("backend_type", backend)
+		if err := viper.WriteConfig(); err != nil {
+			color.Red("Error writing config file: %s", err.Error())
+			os.Exit(1)
+		}
+
+		color.Green("Backend set to %s", backend)
+	},
+}
+
+func init() {
+	// add flag for backend
+	InitCmd.Flags().StringVarP(&backend, "backend", "b", "openai", "Backend AI provider")
+}

cmd/root.go

@@ -6,6 +6,7 @@ import (
 	"github.com/fatih/color"
 	"github.com/k8sgpt-ai/k8sgpt/cmd/auth"
 	"github.com/k8sgpt-ai/k8sgpt/cmd/find"
+	i "github.com/k8sgpt-ai/k8sgpt/cmd/init"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -44,7 +45,7 @@ func init() {
 	// will be global for your application.
 	rootCmd.AddCommand(auth.AuthCmd)
 	rootCmd.AddCommand(find.FindCmd)
-
+	rootCmd.AddCommand(i.InitCmd)
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.k8sgpt.git.yaml)")
 	rootCmd.PersistentFlags().StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
 	rootCmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
@@ -59,6 +60,7 @@ func init() {
 	}
 
 	viper.Set("kubernetesClient", kubernetesClient)
+
 }
 
 // initConfig reads in config file and ENV variables if set.

pkg/ai/ai.go

@@ -2,36 +2,25 @@ package ai
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/sashabaranov/go-openai"
-	"github.com/spf13/viper"
 )
 
-type Client struct {
+type OpenAIClient struct {
 	client *openai.Client
 }
 
-func (c *Client) GetClient() *openai.Client {
-	return c.client
-}
-
-func NewClient() (*Client, error) {
-
-	// get the token with viper
-	token := viper.GetString("openai_api_key")
-	// check if nil
-	if token == "" {
-		return nil, fmt.Errorf("no OpenAI API Key found")
-	}
-
+func (c *OpenAIClient) Configure(token string) error {
 	client := openai.NewClient(token)
-	return &Client{
-		client: client,
-	}, nil
+
+	if client == nil {
+		return errors.New("error creating OpenAI client")
+	}
+	return nil
 }
 
-func (c *Client) GetCompletion(ctx context.Context, prompt string) (string, error) {
+func (c *OpenAIClient) GetCompletion(ctx context.Context, prompt string) (string, error) {
 	// Create a completion request
 	resp, err := c.client.CreateChatCompletion(ctx, openai.ChatCompletionRequest{
 		Model: openai.GPT3Dot5Turbo,

pkg/ai/iai.go

@@ -0,0 +1,8 @@
+package ai
+
+import "context"
+
+type IAI interface {
+	Configure(token string) error
+	GetCompletion(ctx context.Context, prompt string) (string, error)
+}

pkg/analyzer/analyzer.go

@@ -2,11 +2,12 @@ package analyzer
 
 import (
 	"context"
+
 	"github.com/k8sgpt-ai/k8sgpt/pkg/ai"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
 )
 
-func RunAnalysis(ctx context.Context, client *kubernetes.Client, aiClient *ai.Client, explain bool) error {
+func RunAnalysis(ctx context.Context, client *kubernetes.Client, aiClient ai.IAI, explain bool) error {
 	err := AnalyzePod(ctx, client, aiClient, explain)
 	if err != nil {
 		return err

pkg/analyzer/podAnalyzer.go

@@ -4,17 +4,18 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+	"strings"
+	"time"
+
 	"github.com/briandowns/spinner"
 	"github.com/fatih/color"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/ai"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
 	"github.com/spf13/viper"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"strings"
-	"time"
 )
 
-func AnalyzePod(ctx context.Context, client *kubernetes.Client, aiClient *ai.Client, explain bool) error {
+func AnalyzePod(ctx context.Context, client *kubernetes.Client, aiClient ai.IAI, explain bool) error {
 
 	// search all namespaces for pods that are not running
 	list, err := client.GetClient().CoreV1().Pods("").List(ctx, metav1.ListOptions{})

pkg/analyzer/rsAnalyzer.go

@@ -4,17 +4,18 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+	"strings"
+	"time"
+
 	"github.com/briandowns/spinner"
 	"github.com/fatih/color"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/ai"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
 	"github.com/spf13/viper"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"strings"
-	"time"
 )
 
-func AnalyzeReplicaSet(ctx context.Context, client *kubernetes.Client, aiClient *ai.Client, explain bool) error {
+func AnalyzeReplicaSet(ctx context.Context, client *kubernetes.Client, aiClient ai.IAI, explain bool) error {
 
 	// search all namespaces for pods that are not running
 	list, err := client.GetClient().AppsV1().ReplicaSets("").List(ctx, metav1.ListOptions{})