import template code

app/config/.gitignore

@@ -0,0 +1,3 @@
+*~
+path.go
+

app/config/config.go

@@ -0,0 +1,94 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"helmet/pkg/client"
+
+	"go.yaml.in/yaml/v4"
+)
+
+const (
+	configFilename = "minilbd.yaml"
+)
+
+var (
+	buildVersion = "NONE"
+)
+
+type Service struct {
+	Port uint32 `json:"port" yaml:"port"`
+}
+
+type Auth struct {
+	Username string `json:"username" yaml:"username"`
+	Password string `json:"password" yaml:"password"`
+}
+
+type Config struct {
+	Service  Service `json:"service"    yaml:"service"`
+	Auths    []Auth  `json:"auths"      yaml:"auths"`
+	Hostname string  `json:"hostname"   yaml:"hostname"`
+	LogPath  string  `json:"logfile"    yaml:"logfile"`
+	RunPath  string  `json:"runfile"    yaml:"runfile"`
+	AsDaemon bool    `json:"asDaemon"   yaml:"asDaemon"`
+}
+
+func NewConfig() (*Config, error) {
+	conf := &Config{
+		Service: Service{
+			Port: client.DefaultServicePort,
+		},
+		AsDaemon: false,
+	}
+	hostname, err := os.Hostname()
+	if err != nil {
+		return conf, err
+	}
+	conf.Hostname = hostname
+	exeName := filepath.Base(os.Args[0])
+	conf.LogPath = filepath.Join(logdirPath, fmt.Sprintf("%s.log", exeName))
+	conf.RunPath = filepath.Join(rundirPath, fmt.Sprintf("%s.pid", exeName))
+	return conf, err
+}
+
+func (conf *Config) Read() error {
+	var err error
+	configPath := filepath.Join(confdirPath, configFilename)
+	confBytes, err := os.ReadFile(configPath)
+	if err != nil {
+		return err
+	}
+	err = yaml.Unmarshal(confBytes, conf)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func (conf *Config) Validate() error {
+	var err []error
+	for i := range conf.Auths {
+		if conf.Auths[i].Username == "" {
+			err = append(err, errors.New("Username must be set"))
+		}
+		if conf.Auths[i].Password == "" {
+			err = append(err, errors.New("Password must be set"))
+		}
+	}
+	return errors.Join(err...)
+}
+
+func (conf *Config) YAML() (string, error) {
+	var err error
+	var res string
+	yamlBytes, err := yaml.Marshal(conf)
+	if err != nil {
+		return res, err
+	}
+	res = string(yamlBytes)
+	return res, err
+}

app/config/path.go.in

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+package config
+
+const (
+	confdirPath   = "@srv_confdir@"
+	rundirPath    = "@srv_rundir@"
+	logdirPath    = "@srv_logdir@"
+        datadirPath   = "@srv_datadir@"
+	packageVersion = "@PACKAGE_VERSION@"
+)
+