fix backup for azblob disk behavior when storage_account_url contains container as first part in hostname

Signed-off-by: Slach <[email protected]>

Author: Slach

ChangeLog.md

@@ -3,6 +3,7 @@ BUG FIXES
 - fix `clickhouse_backup_number_backups_remote` and `last_backup_size_remote` metrics behavior in `watch` command, fix [1152](https://github.com/Altinity/clickhouse-backup/issues/1152)
 - fix empty `path` and non-empty `object_disk_path` config parameters, allows unexpected deletion backup object disk data, fix [859](https://github.com/Altinity/clickhouse-backup/issues/859) 
 - reproduce behavior `<metadata_path>` parameter in clickhouse `<storage_configuration>` don't contain trailing slash, restore make hardlinks to wrong directory, look details in https://github.com/Altinity/clickhouse-backup/issues/859#issuecomment-2896880448, https://github.com/ClickHouse/ClickHouse/issues/80647 
+- fix backup for azblob disk behavior when `storage_account_url` contains container as first part in hostname
 
 # v2.6.18
 IMPROVEMENTS

pkg/storage/object_disk/object_disk.go

@@ -587,6 +587,7 @@ func makeObjectDiskConnection(ctx context.Context, ch *clickhouse.ClickHouse, cf
 		azureCfg.EndpointSuffix = azureURL.Host
 		if creds.AzureAccountName != "" {
 			azureCfg.AccountName = creds.AzureAccountName
+			azureCfg.EndpointSuffix = strings.TrimPrefix(azureCfg.EndpointSuffix, azureCfg.AccountName+".")
 		}
 		if azureURL.Path != "" {
 			azureCfg.Path = azureURL.Path