From 23afd9679247431bbb20fc2257af746b34b10273 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 18 Oct 2020 17:32:15 +0200
Subject: targets: make sure LV snapshot names start with a letter

Seems to be required for LVM to accept them.
---
 lbup/targets.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lbup/targets.py b/lbup/targets.py
index e7e161e..ebcfa33 100644
--- a/lbup/targets.py
+++ b/lbup/targets.py
@@ -288,7 +288,8 @@ class TargetSSHLVM(TargetSSH):
         vg_name = lv_fullname.split('/')[0]
 
         # create a read-only snapshot with a random name
-        snapshot_name     = secrets.token_urlsafe()
+        # make sure snapshot name starts with a letter
+        snapshot_name     = 'a' + secrets.token_urlsafe()
         snapshot_fullname = '%s/%s' % (vg_name, snapshot_name)
         self._paramiko_exec_cmd(ssh,
             'lvcreate --permission r --snapshot -L {size} -n {name} {origin}'
-- 
cgit v1.2.3