From e67ec6c40ab2884e7a18d6936961f4e9da1fd4cc Mon Sep 17 00:00:00 2001
From: secwall <secwall@yandex-team.ru>
Date: Fri, 20 Sep 2024 13:03:00 +0200
Subject: [PATCH] Fix path create in absence of acl for base prefix

---
 internal/dcs/zk.go | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/internal/dcs/zk.go b/internal/dcs/zk.go
index 786deb0..0e9cea6 100644
--- a/internal/dcs/zk.go
+++ b/internal/dcs/zk.go
@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"net"
 	"os"
+	"slices"
 	"strings"
 	"sync"
 	"time"
@@ -159,12 +160,30 @@ func (z *zkDCS) getSelfLockOwner() LockOwner {
 func (z *zkDCS) makePath(path string) error {
 	parts := strings.Split(path, sep)
 	prefix := ""
+	var paths []string
 	for _, part := range parts {
 		if part == "" {
 			continue
 		}
 		prefix = JoinPath(prefix, part)
-		_, err := z.retryCreate(prefix, []byte{}, 0, z.acl)
+		paths = append(paths, prefix)
+	}
+	slices.Reverse(paths)
+	var createPaths []string
+	for _, path := range paths {
+		_, _, err := z.retryGet(path)
+		if err == nil {
+			break
+		}
+		if err == zk.ErrNoNode {
+			createPaths = append(createPaths, path)
+		} else {
+			return err
+		}
+	}
+	slices.Reverse(createPaths)
+	for _, path := range createPaths {
+		_, err := z.retryCreate(path, []byte{}, 0, z.acl)
 		if err != nil && err != zk.ErrNodeExists {
 			return err
 		}