123 lines
3.4 KiB
Bash
123 lines
3.4 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2021 Red Hat, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Author: Benjamin Marzinski <bmarzins@redhat.com>
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source ../include/ec.sh || exit 200
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tlog "running $0"
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cleanup ()
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{
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trun "multipathd disablequeueing maps"
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sleep 5
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trun "multipath -DF"
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trun "service multipathd stop"
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sleep 5
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trun "udevadm settle"
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trun "modprobe -r scsi_debug"
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}
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assert ()
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{
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local cmd="$*"
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_trun_ "$cmd" 0
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if test $? -eq 0; then
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tpass_ "$cmd" ;
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else
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tfail_ "$cmd" ;
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cleanup ;
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tend ;
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fi
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}
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tlog "running $0"
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rpm -q device-mapper-multipath || dnf install -y device-mapper-multipath
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# cleanup existing devices and restart
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cleanup
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trun "rm -f /etc/multipath.conf"
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trun "rm -f /etc/multipath.conf.bak"
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trun "rm -r /etc/multipath/bindings"
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trun "mpathconf --enable --with_module y --with_multipathd n --find_multipaths n"
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sed -i '/^blacklist[[:space:]]*{/ a\
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device {\n vendor ".*"\n product ".*"\n }
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' /etc/multipath.conf
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if grep -qw blacklist_exceptions /etc/multipath.conf ; then
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sed -i '/^blacklist_exceptions[[:space:]]*{/ a\
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device {\n vendor Linux\n product scsi_debug\n }
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' /etc/multipath.conf
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else
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cat << _EOF_ >> /etc/multipath.conf
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blacklist_exceptions {
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device {
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vendor Linux
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product scsi_debug
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}
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}
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_EOF_
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fi
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trun "modprobe scsi_debug num_tgts=20 vpd_use_hostno=0"
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sleep 5
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trun "service multipathd start"
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sleep 5
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pathcount=`multipathd show paths raw format %w | wc -l`
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assert "[[ $pathcount -eq 20 ]]"
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wwids=`multipathd show paths raw format " wwid %w" | sed '11,$d'`
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wwids="${wwids//$'\n'/\\n}"
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trun "multipath -DF"
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trun "service multipathd stop"
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sleep 5
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tnot "pidof multipathd"
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tok "cp /etc/multipath.conf /etc/mulitpath.conf.bak"
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sed -i '/^blacklist[[:space:]]*{/ a\
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'"$wwids"'
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' /etc/multipath.conf
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tok "rm -f /etc/multipath/bindings"
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trun "service multipathd start"
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sleep 5
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mapcount=`multipathd show maps raw format %w | wc -l`
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assert "[[ $mapcount -eq 10 ]]"
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orig_maps=`multipathd show maps raw format "%n %w"`
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trun "service multipathd stop"
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sleep 5
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tnot "pidof multipathd"
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tok "mv -f /etc/mulitpath.conf.bak /etc/multipath.conf"
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tok "rm -f /etc/multipath/bindings"
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trun "service multipathd start"
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sleep 5
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mapcount=`multipathd show maps raw format %w | wc -l`
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assert "[[ $mapcount -eq 20 ]]"
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new_maps=`multipathd show maps raw format "%n %w" | sort`
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tlog "Checking if devices have been renamed"
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while IFS= read -r line; do
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echo "$new_maps" | grep "$line"
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assert "[[ $? -eq 0 ]]"
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done <<< "$orig_maps"
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bindings=`cat /etc/multipath/bindings | sed '/^#.*$/d' | sort`
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tlog "Checking if devices match bindings"
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assert "[[ \"$new_maps\" = \"$bindings\" ]]"
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trun "service multipathd reload"
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sleep 5
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mapcount=`multipathd show maps raw format %w | wc -l`
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assert "[[ $mapcount -eq 20 ]]"
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reload_maps=`multipathd show maps raw format "%n %w" | sort`
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tlog "Checking if devices change on reconfigure"
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assert "[[ \"$new_maps\" = \"$reload_maps\" ]]"
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cleanup
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tend
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