Initial commit

app/app.go

@@ -0,0 +1,41 @@
+package app
+
+import (
+	"net"
+
+	"dnsupdater/provider/manager"
+
+	"dnsupdater/ip"
+	resolver "dnsupdater/ip/resolver"
+)
+
+type App struct {
+	iplookup ip.NetInterfaceIPResolver
+
+	// Ip lookup service
+	IPLookupService resolver.Service
+
+	// Updater manager
+	ProviderManager *manager.Manager
+}
+
+func NewApp(config *Config) (*App, error) {
+	providerMgr := manager.New()
+	// providerMgr.Register("digitalocean", digitalocean.New(config.Services.DigitalOcean.Token))
+	err := providerMgr.RegisterFromConfig(config.Providers)
+	if err != nil {
+		return nil, err
+	}
+
+	l := resolver.Get(config.Services.IPLookup)
+
+	return &App{
+		ProviderManager: providerMgr,
+		IPLookupService: resolver.Get(config.Services.IPLookup),
+		iplookup:        ip.NewCache(resolver.LookupWrapper(l)).Get,
+	}, nil
+}
+
+func (a App) GetIP(iface_name string) (net.IP, error) {
+	return a.iplookup(iface_name)
+}

app/config.go

@@ -0,0 +1,47 @@
+package app
+
+import (
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type (
+	DomainRecords map[string]string
+	Domain        map[string]DomainRecords
+)
+
+type DigitalOceanService struct {
+	Token   string                   `yaml:"token"`
+	Domains map[string]DomainRecords `yaml:"domains"`
+}
+
+type Providers struct {
+	Token   string                   `yaml:"token"`
+	Domains map[string]DomainRecords `yaml:"domains"`
+}
+
+type Services struct {
+	IPLookup string `yaml:"IPLookup"`
+	// DigitalOcean DigitalOceanService `yaml:"digitalocean"`
+}
+
+type Config struct {
+	Services  Services `yaml:"services"`
+	Providers map[string]map[string]interface{}
+	Updates   map[string]Domain
+}
+
+func LoadConfig(filename string) (*Config, error) {
+	cfg := Config{
+		Services: Services{
+			IPLookup: "ipecho",
+		},
+	}
+
+	data, err := os.ReadFile(filename)
+	if err == nil {
+		err = yaml.Unmarshal(data, &cfg)
+	}
+	return &cfg, err
+}