From cbb3d64b5f69a91a84239f32d2539f328cc0ee59 Mon Sep 17 00:00:00 2001
From: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@canonical.com>
Date: Wed, 12 Dec 2018 09:52:37 -0500
Subject: [PATCH] [devstack] properly clean ZFS backend

Change-Id: Iedf157a2f156565ca7798cfd62954f4807922eae
Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@canonical.com>
---
 devstack/plugin.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index cd37314f..9bae2387 100755
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -133,7 +133,11 @@ function shutdown_nova-lxd() {
 function cleanup_nova-lxd() {
     # Cleanup the service.
     if [ "$LXD_BACKEND_DRIVER" == "zfs" ]; then
-       sudo zpool destroy ${LXD_ZFS_ZPOOL}
+        pool=`lxc profile device get default root pool 2>> /dev/null || :`
+        if [ "$pool" == "$LXD_ZFS_ZPOOL" ]; then
+            sudo lxc profile device remove default root
+            sudo lxc storage delete $LXD_ZFS_ZPOOL
+        fi
     fi
 }