allow to work with multiple configs

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

cmd/servicechecker/main.go

@@ -3,10 +3,8 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/fs"
 	"os"
 	"os/signal"
-	"path/filepath"
 	"time"
 
 	openapi_v3 "github.com/google/gnostic/openapiv3"
@@ -64,67 +62,14 @@ func main() {
 		l.Fatal(ctx, "failed to init meter", err)
 	}
 
-	meters["default"] = m
-
-	l.Info(ctx, "try to parse config.yaml")
-	f, err := os.Open("config.yaml")
-	if err != nil {
-		l.Fatal(ctx, "failed to open config", err)
-	}
+	meters[uuid.Nil.String()] = m
 
 	cfg := &config.Config{}
 
-	if err = config.Parse(f, cfg); err != nil {
-		f.Close()
+	l.Info(ctx, "try to load config")
+	if err := config.Load(config.Filesytem, "config.yaml", cfg); err != nil {
 		l.Fatal(ctx, "failed to open config", err)
 	}
-	f.Close()
-
-	if cfg.App.ChecksDir != "" {
-		var configFiles []string
-
-		if !filepath.IsAbs(cfg.App.ChecksDir) {
-			dir, _ := os.Getwd()
-			cfg.App.ChecksDir = filepath.Clean(filepath.Join(dir, cfg.App.ChecksDir))
-		}
-
-		err = filepath.WalkDir(cfg.App.ChecksDir, func(path string, info fs.DirEntry, err error) error {
-			if err != nil {
-				return err
-			}
-
-			if info.IsDir() || !info.Type().IsRegular() {
-				return nil
-			}
-
-			if filepath.Ext(info.Name()) != ".yaml" {
-				return nil
-			}
-
-			configFiles = append(configFiles, path)
-
-			return nil
-		})
-		if err != nil {
-			l.Fatal(ctx, fmt.Sprintf("error loading config: %s", cfg.App.ChecksDir), err)
-		}
-
-		for _, configFile := range configFiles {
-			l.Info(ctx, "try to parse "+configFile)
-			f, err := os.Open(configFile)
-			if err != nil {
-				l.Fatal(ctx, "failed to open config", err)
-			}
-
-			checks := []*config.CheckConfig{}
-			if err = config.Parse(f, &checks); err != nil {
-				f.Close()
-				l.Fatal(ctx, "failed to open config", err)
-			}
-			f.Close()
-			cfg.App.Checks = append(cfg.App.Checks, checks...)
-		}
-	}
 
 	if !cfg.App.MultiUser {
 		m.Init(
@@ -214,7 +159,7 @@ func main() {
 
 		var mtr meter.Meter
 		if !cfg.App.MultiUser {
-			mtr = meters["default"]
+			mtr = meters[uuid.Nil.String()]
 		} else {
 			if v, ok := meters[check.User]; ok && v != nil {
 				mtr = v