path: root/test/shell/system_id.sh

#!/bin/sh
# Copyright (C) 2008-2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

test_description='Test system_id'

. lib/inittest

aux prepare_devs 1

# create vg with system_id using each source

## none

SID=""
aux lvmconf "global/system_id_source = none"
vgcreate $vg1 "$dev1"
check vg_field $vg1 systemid $SID
vgremove $vg1

## machineid

if [ -e /etc/machine-id ]; then
SID=$(cat /etc/machine-id)
aux lvmconf "global/system_id_source = machineid"
vgcreate $vg1 "$dev1"
vgs -o+systemid $vg1
check vg_field $vg1 systemid $SID
vgremove $vg1
fi

## uname

SID=$(uname -n)
if [ -n $SID ]; then
aux lvmconf "global/system_id_source = uname"
vgcreate $vg1 "$dev1"
vgs -o+systemid $vg1
check vg_field $vg1 systemid $SID
vgremove $vg1
fi

## lvmlocal

SID=sidfoolocal
LVMLOCAL=etc/lvmlocal.conf
rm -f $LVMLOCAL
echo "local {" > $LVMLOCAL
echo "  system_id = $SID" >> $LVMLOCAL
echo "}" >> $LVMLOCAL
aux lvmconf "global/system_id_source = lvmlocal"
vgcreate $vg1 "$dev1"
vgs -o+systemid $vg1
check vg_field $vg1 systemid $SID
vgremove $vg1
rm -f $LVMLOCAL

## file

SID=sidfoofile
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
vgcreate $vg1 "$dev1"
vgs -o+systemid $vg1
check vg_field $vg1 systemid $SID
vgremove $vg1
rm -f $SIDFILE

# override system_id to create a foreign vg, then fail to use the vg

SID1=sidfoofile1
SID2=sidfoofile2
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg, overriding the local system_id so the vg looks foreign
vgcreate --systemid $SID2 $vg1 "$dev1"
# normal vgs is not an error and does not see the vg
vgs >err
not grep $vg1 err
# vgs on the foreign vg is an error and not displayed
not vgs $vg1 >err
not grep $vg1 err
# fail to remove foreign vg
not vgremove $vg1
# using --foreign we can see foreign vg
vgs --foreign >err
grep $vg1 err
vgs --foreign $vg1 >err
grep $vg1 err
# change the local system_id to the second value, making the vg not foreign
echo "$SID2" > $SIDFILE
# we can now see and remove the vg
vgs $vg1 >err
grep $vg1 err
vgremove $vg1
rm -f $SIDFILE

# create a vg, then change the local system_id, making the vg foreign

SID1=sidfoofile1
SID2=sidfoofile2
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs >err
grep $vg1 err
# change the local system_id, making the vg foreign
echo "$SID2" > $SIDFILE
# normal vgs doesn't see the vg
vgs >err
not grep $vg1 err
# using --foreign we can see the vg
vgs --foreign >err
grep $vg1 err
# change the local system_id back to the first value, making the vg not foreign
echo "$SID1" > $SIDFILE
vgs >err
grep $vg1 err
vgremove $vg1
rm -f $SIDFILE

# create a vg, then change the vg's system_id, making it foreign

SID1=sidfoofile1
SID2=sidfoofile2
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs >err
grep $vg1 err
# change the vg's system_id, making the vg foreign
echo "y" | vgchange --systemid $SID2 $vg1
# normal vgs doesn't see the vg
vgs >err
not grep $vg1 err
# using --foreign we can see the vg
vgs --foreign >err
grep $vg1 err
# change the local system_id to the second system_id so we can remove the vg
echo "$SID2" > $SIDFILE
vgs >err
grep $vg1 err
vgremove $vg1
rm -f $SIDFILE

# create a vg, create active lvs in it, change our system_id, making
# the VG foreign, verify that we can still see the foreign VG,
# and can deactivate the LVs

SID1=sidfoofile1
SID2=sidfoofile2
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
lvcreate -n $lv1 -l 2 $vg1
# normal vgs sees the vg and lv
vgs >err
grep $vg1 err
check lv_exists $vg1 $lv1
# change our system_id, making the vg foreign, but accessible
echo "$SID2" > $SIDFILE
vgs >err
grep $vg1 err
check lv_exists $vg1 $lv1
# can deactivate the lv
lvchange -an $vg1/$lv1
# now that the foreign vg has no active lvs, we can't access it
not lvremove $vg1/$lv1
not vgremove $vg1
# change our system_id back to match the vg so it's not foreign
echo "$SID1" > $SIDFILE
vgs >err
grep $vg1 err
lvremove $vg1/$lv1
vgremove $vg1
rm -f $SIDFILE

# local system has no system_id, so it can't access a vg with a system_id

SID1=sidfoofile1
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
aux lvmconf "global/system_id_source = none"
vgs >err
not grep $vg1 err
not vgs $vg1 >err
not grep $vg1 err
aux lvmconf "global/system_id_source = file"
vgs >err
grep $vg1 err
vgremove $vg1
rm -f $SIDFILE

# local system has a system_id, and can use a vg without a system_id

SID1=sidfoofile1
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
# create a vg with no system_id
aux lvmconf "global/system_id_source = none"
vgcreate $vg1 "$dev1"
check vg_field $vg1 systemid ""
# set a local system_id
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# check we can see and use the vg with no system_id
vgs >err
grep $vg1 err
vgs $vg1 >err
grep $vg1 err
vgremove $vg1
rm -f $SIDFILE

# vgexport clears system_id, vgimport sets system_id

SID1=sidfoofile1
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid >err
grep $vg1 err
grep $SID1 err
# after vgexport there is no systemid
vgexport $vg1
vgs -o+systemid >err
grep $vg1 err
not grep $SID1 err
# after vgimport there is a systemid
vgimport $vg1
vgs -o+systemid >err
grep $vg1 err
grep $SID1 err
vgremove $vg1
rm -f $SIDFILE

# vgchange -cy clears system_id, vgchange -cn sets system_id

SID1=sidfoofile1
SIDFILE=etc/lvm_test.conf
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid >err
grep $vg1 err
grep $SID1 err
# after vgchange -cy there is no systemid
echo "y" | vgchange -cy $vg1
vgs --config 'global { locking_type=0 }' -o+systemid $vg1 >err
grep $vg1 err
not grep $SID1 err
# after vgchange -cn there is a systemid
vgchange --config 'global { locking_type=0 }' -cn $vg1
vgs -o+systemid >err
grep $vg1 err
grep $SID1 err
vgremove $vg1
rm -f $SIDFILE

# Test max system_id length (127) and invalid system_id characters.
# The 127 length limit is imposed before invalid characters are omitted.

SIDFILE=etc/lvm_test.conf

# 120 numbers followed by 7 letters (max len)
SID1=012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789abcdefg
# 120 numbers followed by 8 letters (too long by 1 character, the last is omitted)
SID2=012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789abcdefgh

# max len system_id should appear normally
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid $vg1 >err
grep $vg1 err
grep $SID1 err
vgremove $vg1
rm -f $SIDFILE

# max+1 len system_id should be missing the last character
rm -f $SIDFILE
echo "$SID2" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid $vg1 >err
grep $vg1 err
grep $SID1 err
not grep $SID2 err
vgremove $vg1
rm -f $SIDFILE

# max len system_id containing an invalid character should appear without
# the invalid character
# 120 numbers followed by invalid '#' character followed by 7 letters (too long by 1 character)
SID1=012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789#abcdefg
# After the invalid character is omitted from SID1
# The string is truncated to max length (127) before the invalid character is omitted
SID2=012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789abcdef
rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid $vg1 >err
grep $vg1 err
not grep $SID1 err
grep $SID2 err
vgremove $vg1
rm -f $SIDFILE

# contains a bunch of invalid characters
SID1="?#$&A.@1]"
# SID1 without the invalid characters
SID2=A.1

rm -f $SIDFILE
echo "$SID1" > $SIDFILE
aux lvmconf "global/system_id_source = file"
aux lvmconf "global/system_id_file = $SIDFILE"
# create a vg
vgcreate $vg1 "$dev1"
# normal vgs sees the vg
vgs -o+systemid $vg1 >err
grep $vg1 err
not grep $SID1 err
grep $SID2 err
vgremove $vg1
rm -f $SIDFILE


# pvs: pv in a foreign vg not reported
# pvs --foreign: pv in a foreign vg is reported
# TODO

# lvs: lvs in a foreign vg not reported
# lvs --foreign: lvs in a foreign vg are reported
# TODO

# use allow_system_id to read a foreign VG
# TODO


# Test handling of bad system_id source configurations
# The commands should proceed without a system_id.
# Look at the warning/error messages.

# vgcreate with source machineid, where no /etc/machine-id file exists
# TODO

# vgcreate with source uname, but uname is localhost
# TODO

# vgcreate with source lvmlocal, but no lvmlocal.conf file
# vgcreate with source lvmlocal, but no system_id = "x" entry
# TODO

# vgcreate with source file, but no system_id_file config
# vgcreate with source file, but system_id_file does not exist
# TODO


# Test cases where lvmetad cache of a foreign VG are out of date
# because the foreign owner has changed the VG.
# . Using the --foreign option should update the cache and produce
#   correct output
# . Using vgimport should see that the VG is no longer foreign,
#   but has been exported.
# TODO