Added project files

internal/config.go

@@ -0,0 +1,82 @@
+package configurator
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Version       string            `yaml:"version"`
+	SmdHost       string            `yaml:"smd-host"`
+	SmdPort       int               `yaml:"smd-port"`
+	AccessToken   string            `yaml:"access-token"`
+	TemplatePaths map[string]string `yaml:"templates"`
+}
+
+func NewConfig() *Config {
+	return &Config{
+		Version: "",
+		SmdHost: "http://127.0.0.1",
+		SmdPort: 27779,
+		TemplatePaths: map[string]string{
+			"dnsmasq":  "templates/dhcp/dnsmasq.conf",
+			"syslog":   "templates/syslog/",
+			"ansible":  "templates/ansible",
+			"powerman": "templates/powerman",
+			"conman":   "templates/conman",
+		},
+	}
+}
+
+func LoadConfig(path string) *Config {
+	var c *Config = NewConfig()
+	file, err := os.ReadFile(path)
+	if err != nil {
+		log.Printf("failed to read config file: %v\n", err)
+		return c
+	}
+	err = yaml.Unmarshal(file, &c)
+	if err != nil {
+		log.Fatalf("failed to unmarshal config: %v\n", err)
+		return c
+	}
+	return c
+}
+
+func (config *Config) SaveConfig(path string) {
+	path = filepath.Clean(path)
+	if path == "" || path == "." {
+		path = "config.yaml"
+	}
+	data, err := yaml.Marshal(config)
+	if err != nil {
+		log.Printf("failed to marshal config: %v\n", err)
+		return
+	}
+	err = os.WriteFile(path, data, os.ModePerm)
+	if err != nil {
+		log.Printf("failed to write default config file: %v\n", err)
+		return
+	}
+}
+
+func SaveDefaultConfig(path string) {
+	path = filepath.Clean(path)
+	if path == "" || path == "." {
+		path = "config.yaml"
+	}
+	var c = NewConfig()
+	data, err := yaml.Marshal(c)
+	if err != nil {
+		log.Printf("failed to marshal config: %v\n", err)
+		return
+	}
+	err = os.WriteFile(path, data, os.ModePerm)
+	if err != nil {
+		log.Printf("failed to write default config file: %v\n", err)
+		return
+	}
+}