wip

config/config.go

@@ -1 +1,75 @@
 package config
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+
+	"gitea.suyono.dev/suyono/wingmate"
+	"github.com/spf13/viper"
+)
+
+const (
+	EnvPrefix         = "WINGMATE"
+	EnvConfigPath     = "CONFIG_PATH"
+	DefaultConfigPath = "/etc/wingmate"
+	ServiceDirName    = "service"
+	CrontabFileName   = "crontab"
+)
+
+type Config struct {
+	servicePaths []string
+}
+
+type cron struct{}
+
+func Read() (*Config, error) {
+	viper.SetEnvPrefix(EnvPrefix)
+	viper.BindEnv(EnvConfigPath)
+	viper.SetDefault(EnvConfigPath, DefaultConfigPath)
+
+	var (
+		dirent           []os.DirEntry
+		err              error
+		svcdir           string
+		serviceAvailable bool
+		cronAvailable    bool
+		cron             []cron
+		crontabfile      string
+	)
+
+	serviceAvailable = false
+	cronAvailable = false
+	outConfig := &Config{
+		servicePaths: make([]string, 0),
+	}
+	configPath := viper.GetString(EnvConfigPath)
+	svcdir = filepath.Join(configPath, ServiceDirName)
+	dirent, err = os.ReadDir(svcdir)
+	if len(dirent) > 0 {
+		for _, d := range dirent {
+			if d.Type().IsRegular() {
+				serviceAvailable = true
+				outConfig.servicePaths = append(outConfig.servicePaths, filepath.Join(svcdir, d.Name()))
+			}
+		}
+	}
+	if err != nil {
+		wingmate.Log().Error().Msgf("encounter error when reading service directory %s: %#v", svcdir, err)
+	}
+
+	crontabfile = filepath.Join(configPath, CrontabFileName)
+	cron, err = readCrontab(crontabfile)
+	if len(cron) > 0 {
+		cronAvailable = true
+	}
+	if err != nil {
+		wingmate.Log().Error().Msgf("encounter error when reading crontab %s: %#v", crontabfile, err)
+	}
+
+	if !serviceAvailable && !cronAvailable {
+		return nil, errors.New("no config found")
+	}
+
+	return outConfig, nil
+}

config/crontab.go

@@ -0,0 +1,5 @@
+package config
+
+func readCrontab(path string) ([]cron, error) {
+	return nil, nil
+}