mirror of
https://github.com/systemd/systemd.git
synced 2024-12-22 17:35:35 +03:00
Yu Watanabe
parent
d90dbba7ec
commit
14f9c81fb4
@ -41,132 +41,6 @@ helper_check_device_symlinks() {(
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done < <(find "${paths[@]}" -type l)
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)}
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# Wrapper around `helper_wait_for_lvm_activate()` and `helper_wait_for_pvscan()`
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# functions to cover differences between pre and post lvm 2.03.14, which introduced
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# a new way of vgroup autoactivation
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# See: https://sourceware.org/git/?p=lvm2.git;a=commit;h=67722b312390cdab29c076c912e14bd739c5c0f6
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# Arguments:
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# $1 - device path (for helper_wait_for_pvscan())
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# $2 - volume group name (for helper_wait_for_lvm_activate())
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# $3 - number of retries (default: 10)
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helper_wait_for_vgroup() {
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local dev="${1:?}"
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local vgroup="${2:?}"
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local ntries="${3:-10}"
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if ! systemctl -q list-unit-files lvm2-pvscan@.service >/dev/null; then
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helper_wait_for_lvm_activate "$vgroup" "$ntries"
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else
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helper_wait_for_pvscan "$dev" "$ntries"
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fi
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}
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# Wait for the lvm-activate-$vgroup.service of a specific $vgroup to finish
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# Arguments:
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# $1 - volume group name
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# $2 - number of retries (default: 10)
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helper_wait_for_lvm_activate() {
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local vgroup="${1:?}"
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local ntries="${2:-10}"
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local i lvm_activate_svc
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lvm_activate_svc="lvm-activate-$vgroup.service"
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for ((i = 0; i < ntries; i++)); do
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if systemctl -q is-active "$lvm_activate_svc"; then
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# Since the service is started via `systemd-run --no-block`, we need
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# to wait until it finishes, otherwise we might continue while
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# `vgchange` is still running
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if [[ "$(systemctl show -P SubState "$lvm_activate_svc")" == exited ]]; then
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return 0
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fi
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else
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# Since lvm 2.03.15 the lvm-activate transient unit no longer remains
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# after finishing, so we have to treat non-existent units as a success
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# as well
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# See: https://sourceware.org/git/?p=lvm2.git;a=commit;h=fbd8b0cf43dc67f51f86f060dce748f446985855
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if [[ "$(systemctl show -P LoadState "$lvm_activate_svc")" == not-found ]]; then
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return 0
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fi
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fi
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sleep .5
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done
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return 1
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}
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# Wait for the lvm2-pvscan@.service of a specific device to finish
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# Arguments:
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# $1 - device path
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# $2 - number of retries (default: 10)
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helper_wait_for_pvscan() {
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local dev="${1:?}"
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local ntries="${2:-10}"
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local MAJOR MINOR i pvscan_svc real_dev
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# Sanity check we got a valid block device (or a symlink to it)
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real_dev="$(readlink -f "$dev")"
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if [[ ! -b "$real_dev" ]]; then
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echo >&2 "ERROR: '$dev ($real_dev) is not a valid block device'"
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return 1
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fi
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# Get major and minor numbers from the udev database
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# (udevadm returns MAJOR= and MINOR= expressions, so let's pull them into
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# the current environment via `source` for easier parsing)
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#
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# shellcheck source=/dev/null
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source <(udevadm info -q property "$real_dev" | grep -E "(MAJOR|MINOR)=")
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# Sanity check if we got correct major and minor numbers
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test -e "/sys/dev/block/$MAJOR:$MINOR/"
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# Wait n_tries*0.5 seconds until the respective lvm2-pvscan service becomes
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# active (i.e. it got executed and finished)
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pvscan_svc="lvm2-pvscan@$MAJOR:$MINOR.service"
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for ((i = 0; i < ntries; i++)); do
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! systemctl -q is-active "$pvscan_svc" || return 0
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sleep .5
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done
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return 1
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}
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# Generate an `flock` command line for a device list
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#
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# This is useful mainly for mkfs.btrfs, which doesn't hold the lock on each
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# device for the entire duration of mkfs.btrfs, causing weird races between udev
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# and mkfs.btrfs. This function creates an array of chained flock calls to take
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# the lock of all involved devices, which can be then used in combination with
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# mkfs.btrfs to mitigate the issue.
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#
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# For example, calling:
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# helper_generate_flock_cmdline my_array /dev/loop1 /dev/loop2 /dev/loop3
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#
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# will result in "${my_array[@]}" containing:
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# flock -x /dev/loop1 flock -x /dev/loop2 flock -x /dev/loop3
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#
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# Note: the array will be CLEARED before the first assignment
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#
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# Arguments:
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# $1 - NAME of an array in which the commands/argument will be stored
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# $2-$n - path to devices
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helper_generate_flock_cmdline() {
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# Create a name reference to the array passed as the first argument
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# (requires bash 4.3+)
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local -n cmd_array="${1:?}"
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shift
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if [[ $# -eq 0 ]]; then
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echo >&2 "Missing argument(s): device path(s)"
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return 1
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fi
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cmd_array=()
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for dev in "$@"; do
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cmd_array+=("flock" "-x" "$dev")
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done
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}
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testcase_megasas2_basic() {
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lsblk -S
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[[ "$(lsblk --scsi --noheadings | wc -l)" -ge 128 ]]
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@ -235,9 +109,7 @@ EOF
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"/dev/disk/by-label/failover_vol"
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"/dev/disk/by-uuid/deadbeef-dead-dead-beef-111111111111"
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)
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for link in "${part_links[@]}"; do
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test -e "$link"
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done
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udevadm wait --settle --timeout=30 "${part_links[@]}"
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# Choose a random symlink to the failover data partition each time, for
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# a better coverage
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@ -268,9 +140,7 @@ EOF
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echo -n "$expected" >"$mpoint/test"
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# Make sure all symlinks are still valid
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for link in "${part_links[@]}"; do
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test -e "$link"
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done
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udevadm wait --settle --timeout=30 "${part_links[@]}"
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done
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multipath -l "$path"
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@ -311,7 +181,7 @@ EOF
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sfdisk -q -X gpt "$blockdev" <"$partscript"
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if ((i % 10 == 0)); then
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udevadm settle
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udevadm wait --settle --timeout=30 "$blockdev"
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helper_check_device_symlinks
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fi
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done
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@ -339,27 +209,19 @@ testcase_lvm_basic() {
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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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udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
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mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
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udevadm settle
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test -e "/dev/disk/by-label/mylvpart1"
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udevadm wait --settle --timeout=30 "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$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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udevadm wait --settle --timeout=30 --removed "/dev/$vgroup" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk"
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# reenable the VG and check the symlinks again if all LVs are properly activated
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lvm vgchange -ay "$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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udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Same as above, but now with more "stress"
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@ -368,19 +230,15 @@ testcase_lvm_basic() {
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lvm vgchange -ay "$vgroup"
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if ((i % 5 == 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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udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/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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udevadm wait --settle --timeout=30 --removed "/dev/$vgroup/mypart1"
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udevadm wait --timeout=0 "/dev/$vgroup/mypart2"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Create & remove LVs in a loop, i.e. with more "stress"
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@ -396,9 +254,8 @@ testcase_lvm_basic() {
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# 3) On every 4th iteration settle udev and check if all partitions are
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# indeed gone, and if all symlinks are still valid
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if ((i % 4 == 0)); then
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udevadm settle
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for part in {0..15}; do
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test ! -e "/dev/$vgroup/looppart$part"
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udevadm wait --settle --timeout=30 --removed "/dev/$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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@ -407,7 +264,6 @@ testcase_lvm_basic() {
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testcase_btrfs_basic() {
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local dev_stub i label mpoint uuid
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local flock_cmd=()
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local devices=(
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/dev/disk/by-id/ata-foobar_deadbeefbtrfs{0..3}
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)
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@ -417,12 +273,9 @@ testcase_btrfs_basic() {
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echo "Single device: default settings"
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uuid="deadbeef-dead-dead-beef-000000000000"
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label="btrfs_root"
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helper_generate_flock_cmdline flock_cmd "${devices[0]}"
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"${flock_cmd[@]}" mkfs.btrfs -L "$label" -U "$uuid" "${devices[0]}"
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udevadm settle
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udevadm lock --device="${devices[0]}" mkfs.btrfs -L "$label" -U "$uuid" "${devices[0]}"
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udevadm wait --settle --timeout=30 "${devices[0]}" "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
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btrfs filesystem show
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test -e "/dev/disk/by-uuid/$uuid"
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test -e "/dev/disk/by-label/$label"
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helper_check_device_symlinks
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echo "Multiple devices: using partitions, data: single, metadata: raid1"
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@ -436,26 +289,25 @@ name="diskpart2", size=85M
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name="diskpart3", size=85M
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name="diskpart4", size=85M
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EOF
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udevadm settle
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# We need to flock only the device itself, not its partitions
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helper_generate_flock_cmdline flock_cmd "${devices[0]}"
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"${flock_cmd[@]}" mkfs.btrfs -d single -m raid1 -L "$label" -U "$uuid" /dev/disk/by-partlabel/diskpart{1..4}
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udevadm settle
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udevadm wait --settle --timeout=30 /dev/disk/by-partlabel/diskpart{1..4}
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udevadm lock --device="${devices[0]}" mkfs.btrfs -d single -m raid1 -L "$label" -U "$uuid" /dev/disk/by-partlabel/diskpart{1..4}
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udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
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btrfs filesystem show
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test -e "/dev/disk/by-uuid/$uuid"
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test -e "/dev/disk/by-label/$label"
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helper_check_device_symlinks
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wipefs -a -f "${devices[0]}"
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udevadm wait --settle --timeout=30 --removed /dev/disk/by-partlabel/diskpart{1..4}
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echo "Multiple devices: using disks, data: raid10, metadata: raid10, mixed mode"
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uuid="deadbeef-dead-dead-beef-000000000002"
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label="btrfs_mdisk"
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helper_generate_flock_cmdline flock_cmd "${devices[@]}"
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"${flock_cmd[@]}" mkfs.btrfs -M -d raid10 -m raid10 -L "$label" -U "$uuid" "${devices[@]}"
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udevadm settle
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udevadm lock \
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--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs0 \
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--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs1 \
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--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs2 \
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--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs3 \
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mkfs.btrfs -M -d raid10 -m raid10 -L "$label" -U "$uuid" "${devices[@]}"
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udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
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btrfs filesystem show
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test -e "/dev/disk/by-uuid/$uuid"
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test -e "/dev/disk/by-label/$label"
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helper_check_device_symlinks
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echo "Multiple devices: using LUKS encrypted disks, data: raid1, metadata: raid1, mixed mode"
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@ -475,9 +327,7 @@ EOF
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cryptsetup luksFormat -q \
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--use-urandom --pbkdf pbkdf2 --pbkdf-force-iterations 1000 \
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--uuid "deadbeef-dead-dead-beef-11111111111$i" --label "encdisk$i" "${devices[$i]}" /etc/btrfs_keyfile
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udevadm settle
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test -e "/dev/disk/by-uuid/deadbeef-dead-dead-beef-11111111111$i"
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test -e "/dev/disk/by-label/encdisk$i"
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udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/deadbeef-dead-dead-beef-11111111111$i" "/dev/disk/by-label/encdisk$i"
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# Add the device into /etc/crypttab, reload systemd, and then activate
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# the device so we can create a filesystem on it later
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echo "encbtrfs$i UUID=deadbeef-dead-dead-beef-11111111111$i /etc/btrfs_keyfile luks,noearly" >>/etc/crypttab
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@ -488,12 +338,14 @@ EOF
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# Check if we have all necessary DM devices
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ls -l /dev/mapper/encbtrfs{0..3}
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# Create a multi-device btrfs filesystem on the LUKS devices
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helper_generate_flock_cmdline flock_cmd /dev/mapper/encbtrfs{0..3}
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"${flock_cmd[@]}" mkfs.btrfs -M -d raid1 -m raid1 -L "$label" -U "$uuid" /dev/mapper/encbtrfs{0..3}
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udevadm settle
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udevadm lock \
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--device=/dev/mapper/encbtrfs0 \
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--device=/dev/mapper/encbtrfs1 \
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--device=/dev/mapper/encbtrfs2 \
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--device=/dev/mapper/encbtrfs3 \
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mkfs.btrfs -M -d raid1 -m raid1 -L "$label" -U "$uuid" /dev/mapper/encbtrfs{0..3}
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udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
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btrfs filesystem show
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test -e "/dev/disk/by-uuid/$uuid"
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test -e "/dev/disk/by-label/$label"
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helper_check_device_symlinks
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# Mount it and write some data to it we can compare later
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mount -t btrfs /dev/mapper/encbtrfs0 "$mpoint"
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@ -501,7 +353,7 @@ EOF
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# "Deconstruct" the btrfs device and check if we're in a sane state (symlink-wise)
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umount "$mpoint"
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systemctl stop systemd-cryptsetup@encbtrfs{0..3}
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test ! -e "/dev/disk/by-uuid/$uuid"
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udevadm wait --settle --timeout=30 --removed "/dev/disk/by-uuid/$uuid"
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helper_check_device_symlinks
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# Add the mount point to /etc/fstab and check if the device can be put together
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# automagically. The source device is the DM name of the first LUKS device
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@ -516,9 +368,8 @@ EOF
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# Start the corresponding mount unit and check if the btrfs device was reconstructed
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# correctly
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systemctl start "${mpoint##*/}.mount"
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udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
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btrfs filesystem show
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test -e "/dev/disk/by-uuid/$uuid"
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test -e "/dev/disk/by-label/$label"
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helper_check_device_symlinks
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grep "hello there" "$mpoint/test"
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# Cleanup
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@ -581,7 +432,7 @@ testcase_iscsi_lvm() {
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expected_symlinks=()
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# Use the first device as it's configured with larger capacity
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mkfs.ext4 -L iscsi_store "${devices[0]}"
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udevadm settle
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udevadm wait --settle --timeout=30 "${devices[0]}"
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mount "${devices[0]}" "$mpoint"
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for i in {1..4}; do
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dd if=/dev/zero of="$mpoint/lun$i.img" bs=1M count=32
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@ -613,12 +464,9 @@ testcase_iscsi_lvm() {
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lvm lvcreate -y -L 4M "$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/$vgroup/mypart2"
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udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/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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udevadm wait --settle --timeout=30 "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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# Disconnect the iSCSI devices and check all the symlinks
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iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
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@ -631,13 +479,7 @@ testcase_iscsi_lvm() {
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# Reconnect the iSCSI devices and check if everything get detected correctly
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iscsiadm --mode discoverydb --type sendtargets --portal "$target_ip" --discover
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iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --login
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udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
||||
for link in "${expected_symlinks[@]}"; do
|
||||
helper_wait_for_vgroup "$link" "$vgroup"
|
||||
done
|
||||
test -e "/dev/$vgroup/mypart1"
|
||||
test -e "/dev/$vgroup/mypart2"
|
||||
test -e "/dev/disk/by-label/mylvpart1"
|
||||
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
|
||||
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
|
||||
# Cleanup
|
||||
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
|
||||
@ -662,9 +504,7 @@ testcase_long_sysfs_path() {
|
||||
stat /sys/block/vda
|
||||
readlink -f /sys/block/vda/dev
|
||||
|
||||
for link in "${expected_symlinks[@]}"; do
|
||||
test -e "$link"
|
||||
done
|
||||
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
||||
|
||||
# Try to mount the data partition manually (using its label)
|
||||
mpoint="$(mktemp -d /logsysfsXXX)"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user