working commit

cmd/mbasedump/dump.go

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ */
+package main
+
+import (
+	"context"
+	"os"
+
+	"mbase/app/config"
+	"mbase/app/maindb"
+	"mbase/pkg/descr"
+	"mbase/pkg/auxtool"
+
+	"github.com/spf13/cobra"
+	"go.yaml.in/yaml/v4"
+)
+
+func (util *Util) DumpDatabase(cmd *cobra.Command, args []string) {
+	util.dumpDatabaseParams.Filename = args[0]
+	res, err := util.dumpDatabase(util.dumpDatabaseParams)
+	printResponse(res, err)
+}
+
+type dumpDatabaseParams struct {
+	Filename string
+}
+type dumpDatabaseResult struct{}
+
+func (util *Util) dumpDatabase(params dumpDatabaseParams) (dumpDatabaseResult, error) {
+	var err error
+	res := dumpDatabaseResult{}
+	ctx := context.Background()
+
+	conf := config.NewConfig()
+	err = conf.ReadFile()
+	if err != nil {
+		return res, err
+	}
+	err = conf.ReadEnv()
+	if err != nil {
+		return res, err
+	}
+	db, err := maindb.NewDatabase(conf.DataDir)
+	if err != nil {
+		return res, err
+	}
+	err = db.OpenDatabase()
+	if err != nil {
+		return res, err
+	}
+	file := os.Stdout
+	if params.Filename != "-" {
+		file, err = os.OpenFile(params.Filename, os.O_CREATE|os.O_WRONLY, 0640)
+		if err != nil {
+			return res, err
+		}
+		defer file.Close()
+	}
+	listAccounts, err := db.CompletedListAccounts(ctx)
+	if err != nil {
+		return res, err
+	}
+	listGrants, err := db.ListGrants(ctx)
+	if err != nil {
+		return res, err
+	}
+	dump := descr.Dump{
+		Timestamp: auxtool.TimeNow(),
+		Accounts:  listAccounts,
+		Grants:    listGrants,
+	}
+	dumpBytes, err := yaml.Marshal(dump)
+	if err != nil {
+		return res, err
+	}
+	_, err = file.Write(dumpBytes)
+	if err != nil {
+		return res, err
+	}
+	return res, err
+}
+