adding performance optimisation through local caching

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

README.md

@@ -6,7 +6,7 @@
 AI Powered Kubernetes debugging for SRE, Platform and DevOps teams.
 <br />
 
-<img src="images/demo.gif" width=650px; />
+<img src="images/demo2.gif" width=650px; />
 
 ## What is k8sgpt?
 

pkg/analyzer/analyzer.go

@@ -2,6 +2,7 @@ package analyzer
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 	"strings"
 	"time"
@@ -10,6 +11,7 @@ import (
 	"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"
 )
 
@@ -50,20 +52,51 @@ func RunAnalysis(ctx context.Context, client *kubernetes.Client, aiClient *ai.Cl
 		}
 
 	}
-	for key, value := range brokenPods {
-		fmt.Printf("%s: %s\n", color.YellowString(key), color.RedString(value[0]))
 
+	count := 0
+	for key, value := range brokenPods {
+		fmt.Printf("%s: %s: %s\n", color.CyanString("%d", count), color.YellowString(key), color.RedString(value[0]))
+		count++
 		if explain {
 			s := spinner.New(spinner.CharSets[35], 100*time.Millisecond) // Build our new spinner
 			s.Start()
 
-			response, err := aiClient.GetCompletion(ctx, strings.Join(value, " "))
-			s.Stop()
-			if err != nil {
-				return err
+			inputValue := strings.Join(value, " ")
+
+			// Check for cached data
+			sEnc := base64.StdEncoding.EncodeToString([]byte(inputValue))
+			// find in viper cache
+			if viper.IsSet(sEnc) {
+				s.Stop()
+				// retrieve data from cache
+				response := viper.GetString(sEnc)
+				if response == "" {
+					color.Red("error retrieving cached data")
+					continue
+				}
+				output, err := base64.StdEncoding.DecodeString(response)
+				if err != nil {
+					color.Red("error decoding cached data: %v", err)
+					continue
+				}
+
+				color.Green(string(output))
+				continue
 			}
 
-			fmt.Printf("%s\n", color.GreenString(response))
+			response, err := aiClient.GetCompletion(ctx, inputValue)
+			s.Stop()
+			if err != nil {
+				color.Red("error getting completion: %v", err)
+				continue
+			}
+
+			if !viper.IsSet(sEnc) {
+				viper.Set(sEnc, base64.StdEncoding.EncodeToString([]byte(response)))
+				if err := viper.WriteConfig(); err != nil {
+					return err
+				}
+			}
 		}
 	}