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