Сonfig v2

Makefile

@@ -4,6 +4,7 @@ TIME := $(shell date '+%Y-%m-%d_%H:%M:%S')
 
 MIGRATION_DSN ?= postgresql://localhost/postgres?sslmode=disable&user=postgres&password=postgres
 MIGRATION_DSN_CLICKHOUSE ?= tcp://default@localhost:9000/seq_ui_server
+SOURCE_CONFIG ?= config/config.local.yaml
 
 LOCAL_BIN := $(CURDIR)/bin
 
@@ -58,6 +59,10 @@ push-migration-image: build-migration-image
 run: .check-config
 	go run ./cmd/seq-ui -config=config/config.local.yaml
 
+.PHONY: config-migrate
+config-migrate:
+	go run ./cmd/config-migrate -source=${SOURCE_CONFIG}
+
 .PHONY: .check-config
 .check-config:
 	@if [ ! -f config/config.local.yaml ]; then\

cmd/config-migrate/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"errors"
+	"flag"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"go.uber.org/zap"
+
+	"github.com/ozontech/seq-ui/internal/app/config/loader"
+	"github.com/ozontech/seq-ui/logger"
+)
+
+var (
+	source = flag.String("source", "", "path to the config file to migrate in place")
+)
+
+func main() {
+	flag.Parse()
+
+	run(*source)
+}
+
+func run(source string) {
+	if source == "" {
+		logger.Fatal("miss required parameter", zap.String("param", "-source"))
+	}
+
+	stat, err := os.Stat(source)
+	if err != nil {
+		logger.Fatal("stat source", zap.String("source", source), zap.Error(err))
+	}
+
+	sourceCfg, err := os.ReadFile(source) //nolint:gosec
+	if err != nil {
+		logger.Fatal("read source config", zap.String("source", source), zap.Error(err))
+	}
+
+	migratedCfg, err := loader.ToLatestVersion(sourceCfg)
+	if errors.Is(err, loader.ErrAlreadyLatestConfigVersion) {
+		logger.Info("source config is already at the latest schema version, nothing to migrate", zap.String("source", source))
+		return
+	}
+	if err != nil {
+		logger.Fatal("migrate config", zap.String("source", source), zap.Error(err))
+	}
+
+	backupPath := strings.TrimSuffix(source, filepath.Ext(source)) + ".bck" + filepath.Ext(source)
+	if _, err := os.Stat(backupPath); err == nil {
+		logger.Fatal("backup already exists, remove it before re-running", zap.String("backup", backupPath))
+	}
+	if err := os.WriteFile(backupPath, sourceCfg, stat.Mode()); err != nil {
+		logger.Fatal("write backup config", zap.String("backup", backupPath), zap.Error(err))
+	}
+
+	if err := os.WriteFile(source, migratedCfg, stat.Mode()); err != nil {
+		logger.Fatal("write migrated config", zap.Error(err))
+	}
+
+	logger.Info("config migrated", zap.String("source", source), zap.String("backup", backupPath))
+}