Merge pull request #82 from Raj-Adarsh/a8_cve_processor_v1

fix: added graceful shutdown of envoy sidecar for job completion

cmd/api/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"fmt"
+	"net/http"
 	"os"
 	"os/signal"
 	"runtime"
@@ -92,6 +93,24 @@ func main() {
 		<-sigs
 		log.Print("Received shutdown signal, shutting down the application")
 		cancel()
+
+		// Define the endpoint for the Istio Envoy sidecar admin interface
+		istioEndpoint := "http://localhost:15020/quitquitquit"
+
+		// Create a POST request to shut down Envoy
+		req, err := http.NewRequest("POST", istioEndpoint, nil)
+		if err != nil {
+			log.Error().Err(err).Msg("Error creating request")
+		}
+
+		// Send the request using a new client
+		client := &http.Client{}
+		resp, err := client.Do(req)
+		if err != nil {
+			log.Error().Err(err).Msg("Error sending request to Envoy:")
+		}
+		defer resp.Body.Close()
+		log.Info().Msgf("Envoy shutdown response status: %s", resp.Status)
 		os.Exit(0)
 	}()