1 files changed, 137 insertions, 0 deletions
diff --git a/tests/include/mpath.sh b/tests/include/mpath.sh
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+++ b/tests/include/mpath.sh
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+#!/bin/bash
+
+# Copyright (c) 2016 Red Hat, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Author: Lin Li   <lilin@redhat.com>
+
+
+# filename: loop.sh
+
+# USAGE
+
+test x$LXT_MPATH = x || return
+LXT_MPATH=1
+
+#source /mnt/tests/kernel/storage/include/bash_modules/lxt/tc.sh
+
+# make sure multipathd is running
+get_mpath_disks()
+{
+    multipathd_running || texit "multipathd is not running" 
+    multipathd -k'show maps' 2>/dev/null | grep '^mpath' | awk '{print
+"/dev/mapper/" $1}'
+    return 0
+}
+
+# make sure multipathd is running
+get_wwid_of_disk()
+{
+# we should not use scsi_id or /dev/disk/by-id to get the wwid
+# since multipath could replace the white spaces of wwid if 
+# having white spaces. we should use 
+# multipathd show paths format %w %d 
+# to get the wwid
+
+    for dev in `ls /dev/disk/by-id/*`
+    do
+        if readlink $dev | grep -qw "$disk$" 
+        then
+            wwid=$(basename $dev | sed 's/^[^-]*-//g')
+            break
+        fi
+    done
+    if test X$wwid = X
+    then
+        wwid=$(/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/$disk)
+    fi
+    echo $wwid
+
+#    multipathd_running || texit "multipathd is not running" 
+#    local disk=$1
+#    local wwid=$(multipathd show paths format %d,%w | grep "^$disk\s*," | \
+#        awk -F, '{ print $2 }' | sed 's/\s//g')
+#    echo $wwid
+}
+
+
+# make sure multipathd is running
+get_mpath_disk_by_scsi_device()
+{
+#    multipathd_running || texit "multipathd is not running" 
+    local disk=$1
+    wwid=$(get_wwid_of_disk $disk)
+    local mpath=$(multipathd show maps format %w,%n | grep "^$wwid\s*," \
+        | awk -F, '{ print $2 }' | sed 's/\s//g')
+    echo $mpath
+}
+
+# make sure multipathd is running
+get_major_minor_by_scsi_device()
+{
+    multipathd_running || texit "multipathd is not running" 
+    local disk=$1
+    local mm=$(multipathd show paths format %d,%D | grep "^$disk\s*," | \
+        awk -F, '{ print $2 }' | sed 's/\s//g')
+    echo $mm
+}
+
+# make sure multipathd is running
+get_hcil_by_scsi_device()
+{
+    multipathd_running || texit "multipathd is not running" 
+    local disk=$1
+    local hcil=$(multipathd show paths format %d,%i | grep "^$disk\s*," | \
+        awk -F, '{ print $2 }' | sed 's/\s//g')
+    echo $hcil
+}
+
+# make sure multipathd is running
+is_mpath()
+{
+    multipathd_running || texit "multipathd is not running" 
+    local mpath=$1
+    multipathd show maps format %n | grep -w "^$mpath" &> /dev/null
+}
+
+multipathd_running()
+{
+    pidof multipathd &> /dev/null && return 0
+    return 1
+}
+
+# will set find_multipaths no and start multipathd
+setup_multipath()
+{
+    trun "rpm -q device-mapper-multipath || yum install -y device-mapper-multipath" || texit "fail to install multipath"
+    test -f /etc/multipath.conf && cp /etc/multipath.conf /etc/multipath.conf.storage_qe 
+    trun "mpathconf --enable --find_multipaths n --with_multipathd y" 
+    trun "multipath -r"
+}
+
+get_unused_mpath()
+{
+    multipathd_running &>/dev/null || texit "multipathd is not running" 
+    rootdisk=$(get_root_disk)
+    rootmpath=$(get_mpath_disk_by_scsi_device $rootdisk)
+    if is_null $rootmpath; then
+        $maps=$(multipathd show maps format "%n" | grep -v name)
+    else 
+        $maps=$(multipathd show maps format "%n" | grep -v name | grep -v $rootmpath)
+    fi
+    
+    echo $maps
+}
+