add cron setting

pkg/config/config.go

@@ -7,19 +7,26 @@ import (
 	"strings"
 
 	errors "github.com/pkg/errors"
+	"github.com/robfig/cron/v3"
 
 	confLoader "github.com/otakukaze/config-loader"
 )
 
 type Config struct {
-	Server  Server   `yaml:"server"`
-	Listens []Listen `yaml:"listens"`
+	Server   Server    `yaml:"server"`
+	Listens  []Listen  `yaml:"listens"`
+	CronJobs []CronJob `yaml:"cron_jobs"`
 }
 
 type Server struct {
 	Port int `yaml:"port" env:"SERVER_PORT" default:"10230"`
 }
 
+type CronJob struct {
+	CronTime string `yaml:"cron_time"`
+	Script   string `yaml:"script"`
+}
+
 type Listen struct {
 	HTTP *HTTPListen `yaml:"http"`
 }
@@ -88,5 +95,19 @@ func Load(p ...string) (*Config, error) {
 		}
 	}
 
+	// check cronJob
+	cronParser := cron.NewParser(cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow)
+	for _, v := range cfg.CronJobs {
+		_, err := cronParser.Parse(v.CronTime)
+		if err != nil {
+			return nil, err
+		}
+
+		// check script exists
+		if !tools.CheckExists(v.Script, false) {
+			return nil, errors.WithStack(fmt.Errorf("cron (%s) script not exists: %s\n", v.CronTime, v.Script))
+		}
+	}
+
 	return cfg, nil
 }