feat: some safety checks

host/exchangeKeys.go

@@ -1,10 +1,13 @@
 package host
 
 import (
+	"bytes"
 	"encoding/json"
 	"io"
+	"log/slog"
 	"net/http"
-	"bytes"
+	"os"
+
 	cfg "github.com/rony5394/blazena/config"
 );
 
@@ -19,12 +22,15 @@ func exchangeKeys(Config cfg.Config, sshKeyPem string)string{
 
 	if err != nil {
 		panic("Failed to marshal body."+ err.Error());
+		slog.Error("Failed to marshal body.", slog.Any("propagatedError", err), slog.String("note", "Input for this marshal operation is that ssh pk. So the kebab is going on!"))
+		os.Exit(42);
 	}
 
 	rq, err := http.NewRequest("POST", Config.DockerManagerBaseUrl + "/keys", bytes.NewBuffer(bodyEncoded)); 
 
 	if err != nil{
-		panic("Failed to create http request"+ err.Error());
+		slog.Error("Failed to create request", slog.Any("propagatedError", err), slog.String("note", "not send just create the object"));
+		os.Exit(1);
 	}
 
 	rq.Header.Set("Authorization", "Bearer "+ token);
@@ -32,7 +38,8 @@ func exchangeKeys(Config cfg.Config, sshKeyPem string)string{
 	rs, err := http.DefaultClient.Do(rq);
 
 	if err != nil{
-		panic("Failed to send http request"+ err.Error());
+		slog.Error("Failed to send http request", slog.Any("propagatedError", err));
+		os.Exit(1);
 	}
 
 	defer rs.Body.Close();
@@ -40,7 +47,8 @@ func exchangeKeys(Config cfg.Config, sshKeyPem string)string{
 	rsBodyRaw, err := io.ReadAll(rs.Body);
 
 	if err != nil{
-		panic("Failed to read response's body!"+err.Error());
+		slog.Error("Failed to read response body!" , slog.Any("propagatedError", err));
+		os.Exit(1);
 	}
 
 	var rsBody struct{
@@ -49,7 +57,8 @@ func exchangeKeys(Config cfg.Config, sshKeyPem string)string{
 
 	err = json.Unmarshal(rsBodyRaw, &rsBody);
 	if err != nil{
-		panic("Failed to unmarshal rsBodyRaw!"+ err.Error());
+		slog.Error("Failed to unmarshal rsBodyRaw!", slog.Any("propagatedError", err));
+		os.Exit(1);
 	}
 
 

host/host.go

@@ -102,6 +102,8 @@ func Run(Config cfg.Config) {
 		slog.Error("Failed to shutdown docker api!");
 		os.Exit(1);
 	}
+
+	slog.Info("Finished whole backup run.");
 }
 
 func getServices(Config cfg.Config)[]aService{