working commit

app/config/config.go

@@ -1,10 +1,14 @@
 package config
 
-type Config struct {
-	Service  Service  `json:"service"  yaml:"service"`
-	Database Database `json:"database" yaml:"database"`
-	Storage  Storage  `json:"storage"  yaml:"storage"`
-}
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"sigs.k8s.io/yaml"
+)
 
 type Service struct {
 	Address string `json:"address" yaml:"address"`
@@ -19,8 +23,23 @@ type Storage struct {
 	Basepath string `json:"basepath" yaml:"basepath"`
 }
 
-func NewConfig() (*Config, error) {
-	var err error
+type Config struct {
+	Service  Service  `json:"service"  yaml:"service"`
+	Database Database `json:"database" yaml:"database"`
+	Storage  Storage  `json:"storage"  yaml:"storage"`
+	AsDaemon bool     `json:"asDaemon" yaml:"asDaemon"`
+	Logpath  string   `json:"logpath"  yaml:"logpath"`
+	Runpath  string   `json:"runpath"  yaml:"runpath"`
+	Version  string   `json:"version"  yaml:"version"`
+}
+
+func NewConfig() *Config {
+	logfile := fmt.Sprintf("%s.log", srvname)
+	logpath := filepath.Join(logdir, logfile)
+
+	runfile := fmt.Sprintf("%s.run", srvname)
+	runpath := filepath.Join(rundir, runfile)
+
 	return &Config{
 		Service: Service{
 			Address: "0.0.0.0",
@@ -32,5 +51,50 @@ func NewConfig() (*Config, error) {
 		Storage: Storage{
 			Basepath: datadir,
 		},
-	}, err
+		AsDaemon: false,
+		Logpath:  logpath,
+		Runpath:  runpath,
+		Version:  version,
+	}
+}
+
+func (conf *Config) String() string {
+	confbytes, _ := yaml.Marshal(conf)
+	return string(confbytes)
+}
+
+func (conf *Config) ReadConfigfile() error {
+	conffile := fmt.Sprintf("%sd.yaml", srvname)
+	confpath := filepath.Join(confdir, conffile)
+
+	confdata, err := ioutil.ReadFile(confpath)
+	if err != nil {
+		return err
+	}
+	err = yaml.Unmarshal(confdata, conf)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func (conf *Config) ReadOptions() error {
+	var err error
+	exename := filepath.Base(os.Args[0])
+
+	flag.Int64Var(&conf.Service.Port, "port", conf.Service.Port, "listen port")
+	flag.BoolVar(&conf.AsDaemon, "daemon", conf.AsDaemon, "run as daemon")
+
+	help := func() {
+		fmt.Println("")
+		fmt.Printf("Usage: %s [option]\n", exename)
+		fmt.Println("")
+		fmt.Println("Options:")
+		flag.PrintDefaults()
+		fmt.Println("")
+	}
+	flag.Usage = help
+	flag.Parse()
+
+	return err
 }

app/config/variant.go

@@ -6,4 +6,5 @@ const (
 	logdir  = "/home/ziggi/Projects/mstore/tmp/log"
 	datadir = "/home/ziggi/Projects/mstore/tmp/data"
 	version = "0.1.0"
+	srvname = "mstored"
 )

app/config/variant.go.in

@@ -6,4 +6,5 @@ const (
 	logdir  = "@srv_logdir@"
 	datadir = "@srv_datadir@"
 	version = "@PACKAGE_VERSION@"
+        srvname = "@PACKAGE_NAME@d"
 )