python-blivet/SOURCES/0011-Don-t-crash-if-blockdev-mpath-plugin-isn-t-available.patch

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2019-11-05 19:44:22 +00:00
From 5b0b1ffcf0d27306e52476984ebd8eb3af4a11aa Mon Sep 17 00:00:00 2001
From: David Lehman <dlehman@redhat.com>
Date: Mon, 25 Feb 2019 11:14:30 -0500
Subject: [PATCH] Don't crash if blockdev mpath plugin isn't available.
(#1672971)
---
blivet/static_data/mpath_info.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/blivet/static_data/mpath_info.py b/blivet/static_data/mpath_info.py
index b16f3c65..49ba4709 100644
--- a/blivet/static_data/mpath_info.py
+++ b/blivet/static_data/mpath_info.py
@@ -27,6 +27,8 @@ from gi.repository import BlockDev as blockdev
import logging
log = logging.getLogger("blivet")
+from ..tasks import availability
+
class MpathMembers(object):
"""A cache for querying multipath member devices"""
@@ -40,7 +42,7 @@ class MpathMembers(object):
:param str device: path of the device to query
"""
- if self._members is None:
+ if self._members is None and availability.BLOCKDEV_MPATH_PLUGIN.available:
self._members = set(blockdev.mpath.get_mpath_members())
device = os.path.realpath(device)
@@ -56,7 +58,8 @@ class MpathMembers(object):
"""
device = os.path.realpath(device)
device = device[len("/dev/"):]
- if blockdev.mpath.is_mpath_member(device):
+
+ if availability.BLOCKDEV_MPATH_PLUGIN.available and blockdev.mpath.is_mpath_member(device):
self._members.add(device)
def drop_cache(self):
--
2.17.2