add setup subcommand, make apply subcommand

internal/config/default.go

@@ -0,0 +1,56 @@
+package config
+
+import (
+	"fmt"
+
+	"nfsense.net/nfsense/internal/definitions/config"
+	"nfsense.net/nfsense/internal/definitions/firewall"
+	"nfsense.net/nfsense/internal/definitions/network"
+	"nfsense.net/nfsense/internal/definitions/object"
+	"nfsense.net/nfsense/internal/definitions/service"
+	"nfsense.net/nfsense/internal/definitions/system"
+	"nfsense.net/nfsense/internal/definitions/vpn"
+)
+
+func (m *ConfigManager) LoadDefaultConfig() error {
+	conf := config.Config{
+		ConfigVersion: 1,
+		Firewall: firewall.Firewall{
+			ForwardRules:        []firewall.ForwardRule{},
+			DestinationNATRules: []firewall.DestinationNATRule{},
+			SourceNATRules:      []firewall.SourceNATRule{},
+		},
+		Object: object.Object{
+			Addresses: map[string]object.Address{},
+			Services:  map[string]object.Service{},
+		},
+		Network: network.Network{
+			Interfaces:   map[string]network.Interface{},
+			StaticRoutes: []network.StaticRoute{},
+		},
+		Service: service.Service{
+			DHCPv4Servers: []service.DHCPv4Server{},
+			DHCPv6Servers: []service.DHCPv6Server{},
+			DNSServers:    []service.DNSServer{},
+			NTPServers:    []service.NTPServer{},
+		},
+		VPN: vpn.VPN{
+			Wireguard: vpn.Wireguard{
+				Interfaces: map[string]vpn.WireguardInterface{},
+				Peers:      map[string]vpn.WireguardPeer{},
+			},
+		},
+		System: system.System{
+			Users: map[string]system.User{},
+		},
+	}
+
+	err := config.ValidateConfig(&conf)
+	if err != nil {
+		return fmt.Errorf("validating Config: %w", err)
+	}
+
+	m.currentConfig = &conf
+	m.pendingConfig = &conf
+	return nil
+}

internal/config/save.go

@@ -21,3 +21,15 @@ func (m *ConfigManager) saveConfig(path string, conf *config.Config) error {
 
 	return nil
 }
+
+func (m *ConfigManager) SaveWithoutApplying() error {
+	m.currentConfig = m.pendingConfig.Clone()
+
+	err := m.saveConfig(m.currentConfigFilePath, m.pendingConfig)
+	if err != nil {
+		return fmt.Errorf("Save Current Config: %w", err)
+	}
+
+	os.Remove(m.pendingConfigFilePath)
+	return nil
+}