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test: introduce TEST-81-GENERATORS

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Add some explicit tests for various generators we ship, e.g.:
    - systemd-debug-generator
    - systemd-environment-d-generator
    - systemd-fstab-generator
This commit is contained in:
Frantisek Sumsal 2023-04-03 22:38:37 +02:00
parent 9948a169c0
commit 17c9dbc98b
8 changed files with 641 additions and 0 deletions
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1
test/TEST-81-GENERATORS/Makefile Symbolic link
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../TEST-01-BASIC/Makefile

10
test/TEST-81-GENERATORS/test.sh Executable file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
TEST_DESCRIPTION="Test systemd generators"
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
do_test "$@"

61
test/units/generator-utils.sh Normal file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
link_endswith() {
[[ -h "${1:?}" && "$(readlink "${1:?}")" =~ ${2:?}$ ]]
}
link_eq() {
[[ -h "${1:?}" && "$(readlink "${1:?}")" == "${2:?}" ]]
}
# Get the value from a 'key=value' assignment
opt_get_arg() {
local arg
IFS="=" read -r _ arg <<< "${1:?}"
test -n "$arg"
echo "$arg"
}
in_initrd() {
[[ "${SYSTEMD_IN_INITRD:-0}" -ne 0 ]]
}
# Check if we're parsing host's fstab in initrd
in_initrd_host() {
in_initrd && [[ "${SYSTEMD_SYSROOT_FSTAB:-/dev/null}" != /dev/null ]]
}
in_container() {
systemd-detect-virt -qc
}
# Filter out "unwanted" options, i.e. options that the fstab-generator doesn't
# propagate to the final mount unit
opt_filter_consumed() {(
set +x
local opt split_options filtered_options
IFS="," read -ra split_options <<< "${1:?}"
for opt in "${split_options[@]}"; do
if [[ "$opt" =~ ^x-systemd.device-timeout= ]]; then
continue
fi
filtered_options+=("$opt")
done
IFS=","; printf "%s" "${filtered_options[*]}"
)}
# Run the given generator $1 with target directory $2 - clean the target
# directory beforehand
run_and_list() {
local generator="${1:?}"
local out_dir="${2:?}"
rm -fr "${out_dir:?}"/*
"$generator" "$out_dir"
ls -lR "$out_dir"
}

105
test/units/testsuite-81.debug-generator.sh Executable file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2235
set -eux
set -o pipefail
# shellcheck source=test/units/generator-utils.sh
. "$(dirname "$0")/generator-utils.sh"
GENERATOR_BIN="/usr/lib/systemd/system-generators/systemd-debug-generator"
OUT_DIR="$(mktemp -d /tmp/debug-generator.XXX)"
at_exit() {
rm -frv "${OUT_DIR:?}"
}
trap at_exit EXIT
test -x "${GENERATOR_BIN:?}"
# Potential FIXME:
# - debug-generator should gracefully handle duplicated mask/wants
# - also, handle gracefully empty mask/wants
ARGS=(
"systemd.mask=masked-no-suffix"
"systemd.mask=masked.service"
"systemd.mask=masked.socket"
"systemd.wants=wanted-no-suffix"
"systemd.wants=wanted.service"
"systemd.wants=wanted.mount"
"rd.systemd.mask=masked-initrd.service"
"rd.systemd.wants=wanted-initrd.service"
)
# Regular (non-initrd) scenario
#
: "debug-shell: regular"
CMDLINE="ro root=/ ${ARGS[*]} rd.systemd.debug_shell"
SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_eq "$OUT_DIR/masked-no-suffix.service" /dev/null
link_eq "$OUT_DIR/masked.service" /dev/null
link_eq "$OUT_DIR/masked.socket" /dev/null
link_endswith "$OUT_DIR/default.target.wants/wanted-no-suffix.service" /lib/systemd/system/wanted-no-suffix.service
link_endswith "$OUT_DIR/default.target.wants/wanted.service" /lib/systemd/system/wanted.service
link_endswith "$OUT_DIR/default.target.wants/wanted.mount" /lib/systemd/system/wanted.mount
# Following stuff should be ignored, as it's prefixed with rd.
test ! -h "$OUT_DIR/masked-initrd.service"
test ! -h "$OUT_DIR/default.target.wants/wants-initrd.service"
test ! -h "$OUT_DIR/default.target.wants/debug-shell.service"
test ! -d "$OUT_DIR/initrd.target.wants"
# Let's re-run the generator with systemd.debug_shell that should be honored
: "debug-shell: regular + systemd.debug_shell"
CMDLINE="$CMDLINE systemd.debug_shell"
SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_endswith "$OUT_DIR/default.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
# Same thing, but with custom tty
: "debug-shell: regular + systemd.debug_shell=/dev/tty666"
CMDLINE="$CMDLINE systemd.debug_shell=/dev/tty666"
SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_endswith "$OUT_DIR/default.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
grep -F "/dev/tty666" "$OUT_DIR/debug-shell.service.d/50-tty.conf"
# Now override the default target via systemd.unit=
: "debug-shell: regular + systemd.unit="
CMDLINE="$CMDLINE systemd.unit=my-fancy.target"
SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_eq "$OUT_DIR/masked-no-suffix.service" /dev/null
link_eq "$OUT_DIR/masked.service" /dev/null
link_eq "$OUT_DIR/masked.socket" /dev/null
link_endswith "$OUT_DIR/my-fancy.target.wants/wanted-no-suffix.service" /lib/systemd/system/wanted-no-suffix.service
link_endswith "$OUT_DIR/my-fancy.target.wants/wanted.service" /lib/systemd/system/wanted.service
link_endswith "$OUT_DIR/my-fancy.target.wants/wanted.mount" /lib/systemd/system/wanted.mount
link_endswith "$OUT_DIR/my-fancy.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
test ! -d "$OUT_DIR/default.target.wants"
# Initrd scenario
: "debug-shell: initrd"
CMDLINE="ro root=/ ${ARGS[*]} systemd.debug_shell"
SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_eq "$OUT_DIR/masked-initrd.service" /dev/null
link_endswith "$OUT_DIR/initrd.target.wants/wanted-initrd.service" /lib/systemd/system/wanted-initrd.service
# The non-initrd stuff (i.e. without the rd. suffix) should be ignored in
# this case
test ! -h "$OUT_DIR/masked-no-suffix.service"
test ! -h "$OUT_DIR/masked.service"
test ! -h "$OUT_DIR/masked.socket"
test ! -h "$OUT_DIR/initrd.target.wants/debug-shell.service"
test ! -d "$OUT_DIR/default.target.wants"
# Again, but with rd.systemd.debug_shell
: "debug-shell: initrd + rd.systemd.debug_shell"
CMDLINE="$CMDLINE rd.systemd.debug_shell"
SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_endswith "$OUT_DIR/initrd.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
# Override the default target
: "debug-shell: initrd + rd.systemd.unit"
CMDLINE="$CMDLINE rd.systemd.unit=my-fancy-initrd.target"
SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
link_eq "$OUT_DIR/masked-initrd.service" /dev/null
link_endswith "$OUT_DIR/my-fancy-initrd.target.wants/wanted-initrd.service" /lib/systemd/system/wanted-initrd.service
test ! -d "$OUT_DIR/initrd.target.wants"

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test/units/testsuite-81.environment-d-generator.sh Executable file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2235
set -eux
set -o pipefail
# shellcheck source=test/units/generator-utils.sh
. "$(dirname "$0")/generator-utils.sh"
GENERATOR_BIN="/usr/lib/systemd/user-environment-generators/30-systemd-environment-d-generator"
CONFIG_FILE="/run/environment.d/99-test.conf"
OUT_FILE="$(mktemp)"
at_exit() {
set +e
rm -frv "${CONFIG_FILE:?}" "${OUT_FILE:?}"
systemctl -M testuser@.host --user daemon-reload
}
trap at_exit EXIT
test -x "${GENERATOR_BIN:?}"
mkdir -p /run/environment.d/
cat >"$CONFIG_FILE" <<EOF
\t\n\t
3
=
=
INVALID
ALSO_INVALID=
EMPTY_INVALID=""
3_INVALID=foo
xxxx xx xxxxxx
# This is a comment
$(printf "%.0sx" {0..4096})=
SIMPLE=foo
REF=\$SIMPLE
ALSO_REF=\${SIMPLE}
DEFAULT="\${NONEXISTENT:-default value}"
ALTERNATE="\${SIMPLE:+alternate value}"
LIST=foo,bar,baz
SIMPLE=redefined
UNASSIGNED=\$FOO_BAR_BAZ
VERY_LONG="very $(printf "%.0sx" {0..4096})= long string"
EOF
# Source env assignments from a file and check them - do this in a subshell
# to not pollute the test environment
check_environment() {(
# shellcheck source=/dev/null
source "${1:?}"
[[ "$SIMPLE" == "redefined" ]]
[[ "$REF" == "foo" ]]
[[ "$ALSO_REF" == "foo" ]]
[[ "$DEFAULT" == "default value" ]]
[[ "$ALTERNATE" == "alternate value" ]]
[[ "$LIST" == "foo,bar,baz" ]]
[[ "$VERY_LONG" =~ ^very\ ]]
[[ "$VERY_LONG" =~ \ long\ string$ ]]
[[ -z "$UNASSIGNED" ]]
[[ ! -v INVALID ]]
[[ ! -v ALSO_INVALID ]]
[[ ! -v EMPTY_INVALID ]]
[[ ! -v 3_INVALID ]]
)}
# Check the output by directly calling the generator
"$GENERATOR_BIN" | tee "$OUT_FILE"
check_environment "$OUT_FILE"
: >"$OUT_FILE"
# Check if the generator is correctly called in a user session
systemctl -M testuser@.host --user daemon-reload
systemctl -M testuser@.host --user show-environment | tee "$OUT_FILE"
check_environment "$OUT_FILE"
(! "$GENERATOR_BIN" foo)

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test/units/testsuite-81.fstab-generator.sh Executable file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2235,SC2233
set -eux
set -o pipefail
# shellcheck source=test/units/generator-utils.sh
. "$(dirname "$0")/generator-utils.sh"
export SYSTEMD_LOG_LEVEL=debug
GENERATOR_BIN="/usr/lib/systemd/system-generators/systemd-fstab-generator"
NETWORK_FS_RX="^(afs|ceph|cifs|gfs|gfs2|ncp|ncpfs|nfs|nfs4|ocfs2|orangefs|pvfs2|smb3|smbfs|davfs|glusterfs|lustre|sshfs)$"
OUT_DIR="$(mktemp -d /tmp/fstab-generator.XXX)"
FSTAB="$(mktemp)"
at_exit() {
rm -fr "${OUT_DIR:?}" "${FSTAB:?}"
}
trap at_exit EXIT
test -x "${GENERATOR_BIN:?}"
FSTAB_GENERAL=(
# Valid entries
"/dev/test2 /nofail ext4 nofail 0 0"
"/dev/test3 /regular btrfs defaults 0 0"
"/dev/test4 /x-systemd.requires xfs x-systemd.requires=foo.service 0 0"
"/dev/test5 /x-systemd.before-after xfs x-systemd.before=foo.service,x-systemd.after=bar.mount 0 0"
"/dev/test6 /x-systemd.wanted-required-by xfs x-systemd.wanted-by=foo.service,x-systemd.required-by=bar.device 0 0"
"/dev/test7 /x-systemd.requires-mounts-for xfs x-systemd.requires-mounts-for=/foo/bar/baz 0 0"
"/dev/test8 /x-systemd.automount-idle-timeout vfat x-systemd.automount,x-systemd.idle-timeout=50s 0 0"
"/dev/test9 /x-systemd.makefs xfs x-systemd.makefs 0 0"
"/dev/test10 /x-systemd.growfs xfs x-systemd.growfs 0 0"
"/dev/test11 /_netdev ext4 defaults,_netdev 0 0"
"/dev/test12 /_rwonly ext4 x-systemd.rw-only 0 0"
"/dev/test13 /chaos1 zfs x-systemd.rw-only,x-systemd.requires=hello.service,x-systemd.after=my.device 0 0"
"/dev/test14 /chaos2 zfs x.systemd.wanted-by=foo.service,x-systemd.growfs,x-systemd.makefs 0 0"
"/dev/test15 /fstype/auto auto defaults 0 0"
"/dev/test16 /fsck/me ext4 defaults 0 1"
"/dev/test17 /also/fsck/me ext4 defaults,x-systemd.requires-mounts-for=/var/lib/foo 0 99"
"/dev/test18 /swap swap defaults 0 0"
"/dev/test19 /swap/makefs swap defaults,x-systemd.makefs 0 0"
"/dev/test20 /var xfs defaults,x-systemd.device-timeout=1h 0 0"
"/dev/test21 /usr ext4 defaults 0 1"
"/dev/test22 /initrd/mount ext2 defaults,x-systemd.rw-only,x-initrd.mount 0 1"
"/dev/test23 /initrd/mount/nofail ext3 defaults,nofail,x-initrd.mount 0 1"
"/dev/test24 /initrd/mount/deps ext4 x-initrd.mount,x-systemd.before=early.service,x-systemd.after=late.service 0 1"
# Incomplete, but valid entries
"/dev/incomplete1 /incomplete1"
"/dev/incomplete2 /incomplete2 ext4"
"/dev/incomplete3 /incomplete3 ext4 defaults"
"/dev/incomplete4 /incomplete4 ext4 defaults 0"
# Remote filesystems
"/dev/remote1 /nfs nfs bg 0 0"
"/dev/remote2 /nfs4 nfs4 bg 0 0"
"bar.tld:/store /remote/storage nfs ro,x-systemd.wanted-by=store.service 0 0"
"user@host.tld:/remote/dir /remote/top-secret sshfs rw,x-systemd.before=naughty.service 0 0"
"foo.tld:/hello /hello/world ceph defaults 0 0"
"//192.168.0.1/storage /cifs-storage cifs automount,nofail 0 0"
)
FSTAB_GENERAL_ROOT=(
# rootfs with bunch of options we should ignore and fsck enabled
"/dev/test1 / ext4 noauto,nofail,automount,x-systemd.wanted-by=foo,x-systemd.required-by=bar 0 1"
"${FSTAB_GENERAL[@]}"
)
FSTAB_MINIMAL=(
"/dev/loop1 /foo/bar ext3 defaults 0 0"
)
FSTAB_DUPLICATE=(
"/dev/dup1 / ext4 defaults 0 1"
"/dev/dup2 / ext4 defaults,x-systemd.requires=foo.mount 0 2"
)
FSTAB_INVALID=(
# Ignored entries
"/dev/ignored1 /sys/fs/cgroup/foo ext4 defaults 0 0"
"/dev/ignored2 /sys/fs/selinux ext4 defaults 0 0"
"/dev/ignored3 /dev/console ext4 defaults 0 0"
"/dev/ignored4 /proc/kmsg ext4 defaults 0 0"
"/dev/ignored5 /proc/sys ext4 defaults 0 0"
"/dev/ignored6 /proc/sys/kernel/random/boot_id ext4 defaults 0 0"
"/dev/ignored7 /run/host ext4 defaults 0 0"
"/dev/ignored8 /run/host/foo ext4 defaults 0 0"
"/dev/ignored9 /autofs autofs defaults 0 0"
"/dev/invalid1 not-a-path ext4 defaults 0 0"
""
"/dev/invalid1"
" "
"\\"
"$"
)
check_fstab_mount_units() {
local what where fstype opts passno unit
local item opt split_options filtered_options supp service device arg
local array_name="${1:?}"
local out_dir="${2:?}"
# Get a reference to the array from its name
local -n fstab_entries="$array_name"
# Running the checks in a container is pretty much useless, since we don't
# generate any mounts, but don't skip the whole test to test the "skip"
# paths as well
in_container && return 0
for item in "${fstab_entries[@]}"; do
# Don't use a pipe here, as it would make the variables out of scope
read -r what where fstype opts _ passno <<< "$item"
# Skip non-initrd mounts in initrd
if in_initrd_host && ! [[ "$opts" =~ x-initrd.mount ]]; then
continue
fi
if [[ "$fstype" == swap ]]; then
unit="$(systemd-escape --suffix=swap --path "${what:?}")"
cat "$out_dir/$unit"
grep -qE "^What=$what$" "$out_dir/$unit"
if [[ "$opts" != defaults ]]; then
grep -qE "^Options=$opts$" "$out_dir/$unit"
fi
if [[ "$opts" =~ x-systemd.makefs ]]; then
service="$(systemd-escape --template=systemd-mkswap@.service --path "$what")"
test -e "$out_dir/$service"
fi
continue
fi
# If we're parsing host's fstab in initrd, prefix all mount targets
# with /sysroot
in_initrd_host && where="/sysroot${where:?}"
unit="$(systemd-escape --suffix=mount --path "${where:?}")"
cat "$out_dir/$unit"
# Check the general stuff
grep -qE "^What=$what$" "$out_dir/$unit"
grep -qE "^Where=$where$" "$out_dir/$unit"
if [[ -n "$fstype" ]] && [[ "$fstype" != auto ]]; then
grep -qE "^Type=$fstype$" "$out_dir/$unit"
fi
if [[ -n "$opts" ]] && [[ "$opts" != defaults ]]; then
# Some options are not propagated to the generated unit
filtered_options="$(opt_filter_consumed "$opts")"
if [[ "${filtered_options[*]}" != defaults ]]; then
grep -qE "^Options=.*$filtered_options.*$" "$out_dir/$unit"
fi
fi
if ! [[ "$opts" =~ (noauto|x-systemd.(wanted-by=|required-by=|automount)) ]]; then
# We don't create the Requires=/Wants= symlinks for noauto/automount mounts
# and for mounts that use x-systemd.wanted-by=/required-by=
if in_initrd_host; then
if [[ "$where" == / ]] || ! [[ "$opts" =~ nofail ]]; then
link_eq "$out_dir/initrd-fs.target.requires/$unit" "../$unit"
else
link_eq "$out_dir/initrd-fs.target.wants/$unit" "../$unit"
fi
elif [[ "$fstype" =~ $NETWORK_FS_RX || "$opts" =~ _netdev ]]; then
# Units with network filesystems should have a Requires= dependency
# on the remote-fs.target, unless they use nofail or are an nfs "bg"
# mounts, in which case the dependency is downgraded to Wants=
if [[ "$opts" =~ nofail ]] || [[ "$fstype" =~ ^(nfs|nfs4) && "$opts" =~ bg ]]; then
link_eq "$out_dir/remote-fs.target.wants/$unit" "../$unit"
else
link_eq "$out_dir/remote-fs.target.requires/$unit" "../$unit"
fi
else
# Similarly, local filesystems should have a Requires= dependency on
# the local-fs.target, unless they use nofail, in which case the
# dependency is downgraded to Wants=. Rootfs is a special case,
# since we always ignore nofail there
if [[ "$where" == / ]] || ! [[ "$opts" =~ nofail ]]; then
link_eq "$out_dir/local-fs.target.requires/$unit" "../$unit"
else
link_eq "$out_dir/local-fs.target.wants/$unit" "../$unit"
fi
fi
fi
if [[ "${passno:=0}" -ne 0 ]]; then
# Generate systemd-fsck@.service dependencies, if applicable
if in_initrd && [[ "$where" == / || "$where" == /usr ]]; then
continue
fi
if [[ "$where" == / ]]; then
link_endswith "$out_dir/local-fs.target.wants/systemd-fsck-root.service" "/lib/systemd/system/systemd-fsck-root.service"
else
service="$(systemd-escape --template=systemd-fsck@.service --path "$what")"
grep -qE "^After=$service$" "$out_dir/$unit"
if [[ "$where" == /usr ]]; then
grep -qE "^Wants=$service$" "$out_dir/$unit"
else
grep -qE "^Requires=$service$" "$out_dir/$unit"
fi
fi
fi
# Check various x-systemd options
#
# First, split them into an array to make splitting them even further
# easier
IFS="," read -ra split_options <<< "$opts"
# and process them one by one.
#
# Note: the "machinery" below might (and probably does) miss some
# combinations of supported options, so tread carefully
for opt in "${split_options[@]}"; do
if [[ "$opt" =~ ^x-systemd.requires= ]]; then
service="$(opt_get_arg "$opt")"
grep -qE "^Requires=$service$" "$out_dir/$unit"
grep -qE "^After=$service$" "$out_dir/$unit"
elif [[ "$opt" =~ ^x-systemd.before= ]]; then
service="$(opt_get_arg "$opt")"
grep -qE "^Before=$service$" "$out_dir/$unit"
elif [[ "$opt" =~ ^x-systemd.after= ]]; then
service="$(opt_get_arg "$opt")"
grep -qE "^After=$service$" "$out_dir/$unit"
elif [[ "$opt" =~ ^x-systemd.wanted-by= ]]; then
service="$(opt_get_arg "$opt")"
if [[ "$where" == / ]]; then
# This option is ignored for rootfs mounts
(! link_eq "$out_dir/$service.wants/$unit" "../$unit")
else
link_eq "$out_dir/$service.wants/$unit" "../$unit"
fi
elif [[ "$opt" =~ ^x-systemd.required-by= ]]; then
service="$(opt_get_arg "$opt")"
if [[ "$where" == / ]]; then
# This option is ignored for rootfs mounts
(! link_eq "$out_dir/$service.requires/$unit" "../$unit")
else
link_eq "$out_dir/$service.requires/$unit" "../$unit"
fi
elif [[ "$opt" =~ ^x-systemd.requires-mounts-for= ]]; then
arg="$(opt_get_arg "$opt")"
grep -qE "^RequiresMountsFor=$arg$" "$out_dir/$unit"
elif [[ "$opt" == x-systemd.device-bound ]]; then
# This is implied for fstab mounts
:
elif [[ "$opt" == x-systemd.automount ]]; then
# The $unit should have an accompanying automount unit
supp="$(systemd-escape --suffix=automount --path "$where")"
test -e "$out_dir/$supp"
link_eq "$out_dir/local-fs.target.requires/$supp" "../$supp"
elif [[ "$opt" =~ ^x-systemd.idle-timeout= ]]; then
# The timeout applies to the automount unit, not the original
# mount one
arg="$(opt_get_arg "$opt")"
supp="$(systemd-escape --suffix=automount --path "$where")"
grep -qE "^TimeoutIdleSec=$arg$" "$out_dir/$supp"
elif [[ "$opt" =~ ^x-systemd.device-timeout= ]]; then
arg="$(opt_get_arg "$opt")"
device="$(systemd-escape --suffix=device --path "$what")"
grep -qE "^JobRunningTimeoutSec=$arg$" "$out_dir/${device}.d/50-device-timeout.conf"
elif [[ "$opt" == x-systemd.makefs ]]; then
service="$(systemd-escape --template=systemd-makefs@.service --path "$what")"
test -e "$out_dir/$service"
link_eq "$out_dir/${unit}.requires/$service" "../$service"
elif [[ "$opt" == x-systemd.rw-only ]]; then
grep -qE "^ReadWriteOnly=yes$" "$out_dir/$unit"
elif [[ "$opt" == x-systemd.growfs ]]; then
service="$(systemd-escape --template=systemd-growfs@.service --path "$where")"
link_endswith "$out_dir/${unit}.wants/$service" "/lib/systemd/system/systemd-growfs@.service"
elif [[ "$opt" == bg ]] && [[ "$fstype" =~ ^(nfs|nfs4)$ ]]; then
# We "convert" nfs bg mounts to fg, so we can do the job-control
# ourselves
grep -qE "^Options=.*\bx-systemd.mount-timeout=infinity\b" "$out_dir/$unit"
grep -qE "^Options=.*\bfg\b.*" "$out_dir/$unit"
elif [[ "$opt" =~ ^x-systemd\. ]]; then
echo >&2 "Unhandled mount option: $opt"
exit 1
fi
done
done
}
# TODO
# - kernel arguments
: "fstab-generator: regular"
printf "%s\n" "${FSTAB_GENERAL_ROOT[@]}" >"$FSTAB"
cat "$FSTAB"
SYSTEMD_FSTAB="$FSTAB" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
check_fstab_mount_units FSTAB_GENERAL_ROOT "$OUT_DIR"
# Skip the rest when running in a container, as it makes little sense to check
# initrd-related stuff there and fstab-generator might have a bit strange
# behavior during certain tests, like https://github.com/systemd/systemd/issues/27156
if in_container; then
echo "Running in a container, skipping the rest of the fstab-generator tests..."
exit 0
fi
# In this mode we treat the entries as "regular" ones
: "fstab-generator: initrd - initrd fstab"
printf "%s\n" "${FSTAB_GENERAL[@]}" >"$FSTAB"
cat "$FSTAB"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" SYSTEMD_SYSROOT_FSTAB=/dev/null run_and_list "$GENERATOR_BIN" "$OUT_DIR"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" SYSTEMD_SYSROOT_FSTAB=/dev/null check_fstab_mount_units FSTAB_GENERAL "$OUT_DIR"
# In this mode we prefix the mount target with /sysroot and ignore all mounts
# that don't have the x-initrd.mount flag
: "fstab-generator: initrd - host fstab"
printf "%s\n" "${FSTAB_GENERAL_ROOT[@]}" >"$FSTAB"
cat "$FSTAB"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB=/dev/null SYSTEMD_SYSROOT_FSTAB="$FSTAB" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB=/dev/null SYSTEMD_SYSROOT_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_GENERAL_ROOT "$OUT_DIR"
# Check the default stuff that we (almost) always create in initrd
: "fstab-generator: initrd default"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB=/dev/null SYSTEMD_SYSROOT_FSTAB=/dev/null run_and_list "$GENERATOR_BIN" "$OUT_DIR"
test -e "$OUT_DIR/sysroot.mount"
test -e "$OUT_DIR/systemd-fsck-root.service"
link_eq "$OUT_DIR/initrd-root-fs.target.requires/sysroot.mount" "../sysroot.mount"
link_eq "$OUT_DIR/initrd-root-fs.target.requires/sysroot.mount" "../sysroot.mount"
: "fstab-generator: run as systemd-sysroot-fstab-check in initrd"
ln -svf "$GENERATOR_BIN" /tmp/systemd-sysroot-fstab-check
(! /tmp/systemd-sysroot-fstab-check foo)
(! SYSTEMD_IN_INITRD=0 /tmp/systemd-sysroot-fstab-check)
printf "%s\n" "${FSTAB_GENERAL[@]}" >"$FSTAB"
SYSTEMD_IN_INITRD=1 SYSTEMD_SYSROOT_FSTAB="$FSTAB" /tmp/systemd-sysroot-fstab-check
: "fstab-generator: duplicate"
printf "%s\n" "${FSTAB_DUPLICATE[@]}" >"$FSTAB"
cat "$FSTAB"
(! SYSTEMD_FSTAB="$FSTAB" run_and_list "$GENERATOR_BIN" "$OUT_DIR")
: "fstab-generator: invalid"
printf "%s\n" "${FSTAB_INVALID[@]}" >"$FSTAB"
cat "$FSTAB"
# Don't care about the exit code here
SYSTEMD_FSTAB="$FSTAB" run_and_list "$GENERATOR_BIN" "$OUT_DIR" || :
# No mounts should get created here
[[ "$(find "$OUT_DIR" -name "*.mount" | wc -l)" -eq 0 ]]
: "fstab-generator: kernel args - fstab=0"
printf "%s\n" "${FSTAB_MINIMAL[@]}" >"$FSTAB"
SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="fstab=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
(! SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR")
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="fstab=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
(! SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR")
: "fstab-generator: kernel args - rd.fstab=0"
printf "%s\n" "${FSTAB_MINIMAL[@]}" >"$FSTAB"
SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="rd.fstab=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="rd.fstab=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
(! SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR")

8
test/units/testsuite-81.service Normal file
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@ -0,0 +1,8 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Unit]
Description=TEST-81-GENERATORS
[Service]
ExecStartPre=rm -f /failed /testok
ExecStart=/usr/lib/systemd/tests/testdata/units/%N.sh
Type=oneshot

16
test/units/testsuite-81.sh Executable file
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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
: >/failed
systemctl log-level debug
for script in "${0%.sh}".*.sh; do
echo "Running $script"
"./$script"
done
touch /testok
rm /failed