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Diffstat (limited to 'test/units/TEST-74-AUX-UTILS.mount.sh')
| -rwxr-xr-x | test/units/TEST-74-AUX-UTILS.mount.sh | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/test/units/TEST-74-AUX-UTILS.mount.sh b/test/units/TEST-74-AUX-UTILS.mount.sh new file mode 100755 index 0000000..14253c3 --- /dev/null +++ b/test/units/TEST-74-AUX-UTILS.mount.sh @@ -0,0 +1,186 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -eux +set -o pipefail + +# shellcheck source=test/units/util.sh +. "$(dirname "$0")"/util.sh + +at_exit() { + set +e + + [[ -n "${LOOP:-}" ]] && losetup -d "$LOOP" + [[ -n "${WORK_DIR:-}" ]] && rm -fr "$WORK_DIR" +} + +trap at_exit EXIT + +WORK_DIR="$(mktemp -d)" +mkdir -p "$WORK_DIR/mnt" + +systemd-mount --list +systemd-mount --list --full +systemd-mount --list --no-legend +systemd-mount --list --no-pager +systemd-mount --list --quiet + +# tmpfs +mkdir -p "$WORK_DIR/mnt/foo/bar" +systemd-mount --tmpfs "$WORK_DIR/mnt/foo" +test ! -d "$WORK_DIR/mnt/foo/bar" +touch "$WORK_DIR/mnt/foo/baz" +systemd-umount "$WORK_DIR/mnt/foo" +test -d "$WORK_DIR/mnt/foo/bar" +test ! -e "$WORK_DIR/mnt/foo/baz" + +# overlay +systemd-mount --type=overlay --options="lowerdir=/etc,upperdir=$WORK_DIR/upper,workdir=$WORK_DIR/work" /etc "$WORK_DIR/overlay" +touch "$WORK_DIR/overlay/foo" +test -e "$WORK_DIR/upper/foo" +systemd-umount "$WORK_DIR/overlay" + +# We're going to play around with block/loop devices, so bail out early +# if we're running in nspawn +if systemd-detect-virt --container >/dev/null; then + echo "Container detected, skipping the test" + exit 0 +fi + +# Set up a simple block device for further tests +dd if=/dev/zero of="$WORK_DIR/simple.img" bs=1M count=16 +mkfs.ext4 -L sd-mount-test "$WORK_DIR/simple.img" +LOOP="$(losetup --show --find "$WORK_DIR/simple.img")" +udevadm wait --timeout 60 --settle "$LOOP" +# Also wait for the .device unit for the loop device is active. Otherwise, the .device unit activation +# that is triggered by the .mount unit introduced by systemd-mount below may time out. +timeout 60 bash -c "until systemctl is-active $LOOP; do sleep 1; done" +mount "$LOOP" "$WORK_DIR/mnt" +touch "$WORK_DIR/mnt/foo.bar" +umount "$LOOP" +(! mountpoint "$WORK_DIR/mnt") +# Wait for the mount unit to be unloaded. Otherwise, creation of the transient unit below may fail. +MOUNT_UNIT=$(systemd-escape --path --suffix=mount "$WORK_DIR/mnt") +timeout 60 bash -c "while [[ -n \$(systemctl list-units --all --no-legend $MOUNT_UNIT) ]]; do sleep 1; done" + +# Mount with both source and destination set +systemd-mount "$LOOP" "$WORK_DIR/mnt" +systemctl status "$WORK_DIR/mnt" +systemd-mount --list --full +test -e "$WORK_DIR/mnt/foo.bar" +systemd-umount "$WORK_DIR/mnt" +# Same thing, but with explicitly specified filesystem and disabled filesystem check +systemd-mount --type=ext4 --fsck=no --collect "$LOOP" "$WORK_DIR/mnt" +systemctl status "$(systemd-escape --path "$WORK_DIR/mnt").mount" +test -e "$WORK_DIR/mnt/foo.bar" +systemd-mount --umount "$LOOP" +# Discover additional metadata (unit description should now contain filesystem label) +systemd-mount --no-ask-password --discover "$LOOP" "$WORK_DIR/mnt" +test -e "$WORK_DIR/mnt/foo.bar" +systemctl show -P Description "$WORK_DIR/mnt" | grep -q sd-mount-test +systemd-umount "$WORK_DIR/mnt" +# Set a unit description +systemd-mount --description="Very Important Unit" "$LOOP" "$WORK_DIR/mnt" +test -e "$WORK_DIR/mnt/foo.bar" +systemctl show -P Description "$WORK_DIR/mnt" | grep -q "Very Important Unit" +systemd-umount "$WORK_DIR/mnt" +# Set a property +systemd-mount --property="Description=Foo Bar" "$LOOP" "$WORK_DIR/mnt" +test -e "$WORK_DIR/mnt/foo.bar" +systemctl show -P Description "$WORK_DIR/mnt" | grep -q "Foo Bar" +systemd-umount "$WORK_DIR/mnt" +# Set mount options +systemd-mount --options=ro,x-foo-bar "$LOOP" "$WORK_DIR/mnt" +test -e "$WORK_DIR/mnt/foo.bar" +systemctl show -P Options "$WORK_DIR/mnt" | grep -Eq "(^ro|,ro)" +systemctl show -P Options "$WORK_DIR/mnt" | grep -q "x-foo-bar" +systemd-umount "$WORK_DIR/mnt" + +# Mount with only source set +systemd-mount "$LOOP" +systemctl status /run/media/system/sd-mount-test +systemd-mount --list --full +test -e /run/media/system/sd-mount-test/foo.bar +systemd-umount LABEL=sd-mount-test + +# Automount +systemd-mount --automount=yes "$LOOP" "$WORK_DIR/mnt" +systemd-mount --list --full +systemctl status "$(systemd-escape --path "$WORK_DIR/mnt").automount" +[[ "$(systemctl show -P ActiveState "$WORK_DIR/mnt")" == inactive ]] +test -e "$WORK_DIR/mnt/foo.bar" +systemctl status "$WORK_DIR/mnt" +systemd-umount "$WORK_DIR/mnt" +# Automount + automount-specific property +systemd-mount -A --automount-property="Description=Bar Baz" "$LOOP" "$WORK_DIR/mnt" +systemctl show -P Description "$(systemd-escape --path "$WORK_DIR/mnt").automount" | grep -q "Bar Baz" +test -e "$WORK_DIR/mnt/foo.bar" +# Call --umount via --machine=, first with a relative path (bad) and then with +# an absolute one (good) +(! systemd-umount --machine=.host "$(realpath --relative-to=. "$WORK_DIR/mnt")") +systemd-umount --machine=.host "$WORK_DIR/mnt" + +# ext4 doesn't support uid=/gid= +(! systemd-mount -t ext4 --owner=testuser "$LOOP" "$WORK_DIR/mnt") + +# Automount + --bind-device +systemd-mount --automount=yes --bind-device --timeout-idle-sec=1 "$LOOP" "$WORK_DIR/mnt" +systemctl status "$(systemd-escape --path "$WORK_DIR/mnt").automount" +# Trigger the automount +test -e "$WORK_DIR/mnt/foo.bar" +# Wait until it's idle again +sleep 1.5 +# Safety net for slower/overloaded systems +timeout 10s bash -c "while systemctl is-active -q $WORK_DIR/mnt; do sleep .2; done" +systemctl status "$(systemd-escape --path "$WORK_DIR/mnt").automount" +# Disassemble the underlying block device +losetup -d "$LOOP" +unset LOOP +# The automount unit should disappear once the underlying blockdev is gone +timeout 10s bash -c "while systemctl status '$(systemd-escape --path "$WORK_DIR/mnt".automount)'; do sleep .2; done" + +# Mount a disk image +systemd-mount --discover "$WORK_DIR/simple.img" +# We can access files in the image even if the loopback block device is not initialized by udevd. +test -e /run/media/system/simple.img/foo.bar +# systemd-mount --list and systemd-umount require the loopback block device is initialized by udevd. +udevadm settle --timeout 30 +assert_in "/dev/loop.* ext4 +sd-mount-test" "$(systemd-mount --list --full)" +LOOP_AUTO=$(systemd-mount --list --full --no-legend | awk '$6 == "sd-mount-test" { print $1 }') +LOOP_AUTO_DEVPATH=$(udevadm info --query property --property DEVPATH --value "$LOOP_AUTO") +systemd-umount "$WORK_DIR/simple.img" +# Wait for 'change' uevent for the device with DISK_MEDIA_CHANGE=1. +# After the event, the backing_file attribute should be removed. +timeout 60 bash -c "while [[ -e /sys/$LOOP_AUTO_DEVPATH/loop/backing_file ]]; do sleep 1; done" + +# --owner + vfat +# +# Create a vfat image, as ext4 doesn't support uid=/gid= fixating for all +# files/directories +dd if=/dev/zero of="$WORK_DIR/owner-vfat.img" bs=1M count=16 +mkfs.vfat -n owner-vfat "$WORK_DIR/owner-vfat.img" +LOOP="$(losetup --show --find "$WORK_DIR/owner-vfat.img")" +# If the synthesized uevent triggered by inotify event has been processed earlier than the kernel finishes to +# attach the backing file, then SYSTEMD_READY=0 is set for the device. As a workaround, monitor sysattr +# and re-trigger uevent after that. +LOOP_DEVPATH=$(udevadm info --query property --property DEVPATH --value "$LOOP") +timeout 60 bash -c "until [[ -e /sys/$LOOP_DEVPATH/loop/backing_file ]]; do sleep 1; done" +udevadm trigger --settle "$LOOP" +# Also wait for the .device unit for the loop device is active. Otherwise, the .device unit activation +# that is triggered by the .mount unit introduced by systemd-mount below may time out. +if ! timeout 60 bash -c "until systemctl is-active $LOOP; do sleep 1; done"; then + # For debugging issue like + # https://github.com/systemd/systemd/issues/32680#issuecomment-2120959238 + # https://github.com/systemd/systemd/issues/32680#issuecomment-2122074805 + udevadm info "$LOOP" + udevadm info --attribute-walk "$LOOP" + cat /sys/"$(udevadm info --query property --property DEVPATH --value "$LOOP")"/loop/backing_file || : + false +fi +# Mount it and check the UID/GID +[[ "$(stat -c "%U:%G" "$WORK_DIR/mnt")" == "root:root" ]] +systemd-mount --owner=testuser "$LOOP" "$WORK_DIR/mnt" +systemctl status "$WORK_DIR/mnt" +[[ "$(stat -c "%U:%G" "$WORK_DIR/mnt")" == "testuser:testuser" ]] +touch "$WORK_DIR/mnt/hello" +[[ "$(stat -c "%U:%G" "$WORK_DIR/mnt/hello")" == "testuser:testuser" ]] +systemd-umount LABEL=owner-vfat |