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test: basic LVM tests
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@ -1,5 +1,13 @@
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#!/usr/bin/env bash
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# vi: ts=4 sw=4 tw=0 et:
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#
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# TODO:
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# * iSCSI
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# * LVM over iSCSI (?)
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# * SW raid (mdadm)
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# * LUKS -> MD (mdadm) -> LVM
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# * BTRFS
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# * MD BTRFS
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set -e
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TEST_DESCRIPTION="systemd-udev storage tests"
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@ -30,6 +38,11 @@ test_append_files() {
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install_multipath
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fi
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# Configure LVM
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if command -v lvm; then
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install_lvm
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fi
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for i in {0..127}; do
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dd if=/dev/zero of="${TESTDIR:?}/disk$i.img" bs=1M count=1
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echo "device$i" >"${TESTDIR:?}/disk$i.img"
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@ -246,6 +259,31 @@ testcase_simultaneous_events() {
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test_run_one "${1:?}"
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}
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testcase_lvm_basic() {
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if ! command -v lvm; then
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echo "Missing lvm tools, skipping the test..."
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return 77
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fi
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local qemu_opts=("-device ahci,id=ahci0")
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local diskpath
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# Attach 4 SATA disks to the VM (and set their model and serial fields
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# to something predictable, so we can refer to them later)
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for i in {0..3}; do
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diskpath="${TESTDIR:?}/lvmbasic${i}.img"
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dd if=/dev/zero of="$diskpath" bs=1M count=32
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qemu_opts+=(
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"-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeeflvm$i"
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"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}"
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}
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# Allow overriding which tests should be run from the "outside", useful for manual
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# testing (make -C test/... TESTCASES="testcase1 testcase2")
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if [[ -v "TESTCASES" && -n "$TESTCASES" ]]; then
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@ -193,6 +193,92 @@ EOF
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rm -f "$partscript"
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}
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testcase_lvm_basic() {
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local i part
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local vgroup="MyTestGroup$RANDOM"
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local devices=(
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/dev/disk/by-id/ata-foobar_deadbeeflvm{0..3}
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)
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# Make sure all the necessary soon-to-be-LVM devices exist
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ls -l "${devices[@]}"
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# Add all test devices into a volume group, create two logical volumes,
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# and check if necessary symlinks exist (and are valid)
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lvm pvcreate -y "${devices[@]}"
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lvm pvs
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lvm vgcreate "$vgroup" -y "${devices[@]}"
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lvm vgs
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lvm vgchange -ay "$vgroup"
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lvm lvcreate -y -L 4M "$vgroup" -n mypart1
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lvm lvcreate -y -L 8M "$vgroup" -n mypart2
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lvm lvs
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udevadm settle
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test -e "/dev/$vgroup/mypart1"
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test -e "/dev/$vgroup/mypart2"
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mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
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udevadm settle
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test -e "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Disable the VG and check symlinks...
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lvm vgchange -an "$vgroup"
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udevadm settle
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test ! -e "/dev/$vgroup"
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test ! -e "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk"
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# reenable the VG and check the symlinks again if all LVs are properly activated
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lvm vgchange -ay "$vgroup"
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udevadm settle
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test -e "/dev/$vgroup/mypart1"
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test -e "/dev/$vgroup/mypart2"
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test -e "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Same as above, but now with more "stress"
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for i in {1..100}; do
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lvm vgchange -an "$vgroup"
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lvm vgchange -ay "$vgroup"
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if ((i % 10 == 0)); then
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udevadm settle
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test -e "/dev/$vgroup/mypart1"
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test -e "/dev/$vgroup/mypart2"
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test -e "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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fi
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done
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# Remove the first LV
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lvm lvremove -y "$vgroup/mypart1"
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udevadm settle
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test ! -e "/dev/$vgroup/mypart1"
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test -e "/dev/$vgroup/mypart2"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Create & remove LVs in a loop, i.e. with more "stress"
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for i in {1..50}; do
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# 1) Create 16 logical volumes
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for part in {0..15}; do
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lvm lvcreate -y -L 4M "$vgroup" -n "looppart$part"
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done
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# 2) Immediately remove them
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lvm lvremove -y "$vgroup"/looppart{0..15}
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# 3) On every 10th iteration settle udev and check if all partitions are
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# indeed gone, and if all symlinks are still valid
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if ((i % 10 == 0)); then
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udevadm settle
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for part in {0..15}; do
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test ! -e "/dev/$vgroup/looppart$part"
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done
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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fi
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done
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}
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: >/failed
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udevadm settle
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