initial nftables config generation test

api/config.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.con/speatzle/nfsense/pkg/definitions"
+)
+
+func LoadConfiguration(file string) (*definitions.Config, error) {
+	var config definitions.Config
+	configFile, err := os.Open(file)
+	if err != nil {
+		return nil, fmt.Errorf("opening Config File %w", err)
+	}
+	defer configFile.Close()
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+	jsonParser := json.NewDecoder(configFile)
+	err = jsonParser.Decode(&config)
+	if err != nil {
+		return nil, fmt.Errorf("decoding Config File %w", err)
+	}
+	return &config, nil
+}

api/main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"github.con/speatzle/nfsense/pkg/nftables"
+	"golang.org/x/exp/slog"
+)
+
+func main() {
+	slog.Info("Starting...")
+	conf, err := LoadConfiguration("config.json")
+	if err != nil {
+		slog.Error("Loading Config", err)
+		return
+	}
+	slog.Info("Config Loaded", "config", conf)
+
+	fileContent, err := nftables.GenerateNfTablesFile(*conf)
+	if err != nil {
+		slog.Error("Generating nftables file", err)
+		return
+	}
+
+	err = nftables.ApplyNfTablesFile(fileContent)
+	if err != nil {
+		slog.Error("Applying nftables", err)
+		return
+	}
+	slog.Info("Wrote nftables File!")
+}