systemd/test/test-systemctl-enable.sh
Zbigniew Jędrzejewski-Szmek 0c003e8305 test-systemctl-enable: extend the test for repeated WantedBy/RequiredBy
I was considering deduplicating the list of target units in
WantedBy/RequiredBy. But to do this meaningfully, we'd need to do alias
expansion first, i.e. after the initial parsing is done. This seems to be
more trouble than it would be worth.

Instead, I added tests that we're doing the right thing and creating symlinks
as expected. For duplicate links, we create the link, and on the second time we
see that the link is already there, so the output is correct.
2022-03-29 16:17:56 +02:00

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Bash

#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -ex
# Silence warning from running_in_chroot_or_offline()
export SYSTEMD_IGNORE_CHROOT=1
systemctl=${1:-systemctl}
unset root
cleanup() {
[ -n "$root" ] && rm -rf "$root"
}
trap cleanup exit
root=$(mktemp -d --tmpdir systemctl-test.XXXXXX)
islink() {
test -h "$1" || return 1
test "$(readlink "$1")" = "$2" || return 2
}
: ------enablement nonexistent--------------------------------
"$systemctl" --root="$root" enable test1.service && { echo "Expected failure" >&2; exit 1; }
: ------basic enablement--------------------------------------
mkdir -p "$root/etc/systemd/system"
cat >"$root/etc/systemd/system/test1.service" <<EOF
[Install]
WantedBy=default.target
RequiredBy=special.target
EOF
"$systemctl" --root="$root" enable test1.service
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test -h "$root/etc/systemd/system/special.target.requires/test1.service"
"$systemctl" --root="$root" reenable test1.service
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test -h "$root/etc/systemd/system/special.target.requires/test1.service"
"$systemctl" --root="$root" disable test1.service
test ! -e "$root/etc/systemd/system/default.target.wants/test1.service"
test ! -e "$root/etc/systemd/system/special.target.requires/test1.service"
: ------suffix guessing---------------------------------------
"$systemctl" --root="$root" enable test1
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test -h "$root/etc/systemd/system/special.target.requires/test1.service"
"$systemctl" --root="$root" reenable test1
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test -h "$root/etc/systemd/system/special.target.requires/test1.service"
"$systemctl" --root="$root" disable test1
test ! -e "$root/etc/systemd/system/default.target.wants/test1.service"
test ! -e "$root/etc/systemd/system/special.target.requires/test1.service"
: -------aliases----------------------------------------------
cat >>"$root/etc/systemd/system/test1.service" <<EOF
Alias=test1-goodalias.service
Alias=test1@badalias.service
Alias=test1-badalias.target
Alias=test1-badalias.socket
# we have a series of good, bad, and then good again
Alias=test1-goodalias2.service
EOF
"$systemctl" --root="$root" enable test1 && { echo "Expected failure" >&2; exit 1; }
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test -h "$root/etc/systemd/system/special.target.requires/test1.service"
test ! -e "$root/etc/systemd/system/test1-goodalias.service"
test -h "$root/etc/systemd/system/test1-goodalias.service"
test ! -e "$root/etc/systemd/system/test1@badalias.service"
test ! -e "$root/etc/systemd/system/test1-badalias.target"
test ! -e "$root/etc/systemd/system/test1-badalias.socket"
test -h "$root/etc/systemd/system/test1-goodalias2.service"
: -------aliases in reeanble----------------------------------
"$systemctl" --root="$root" reenable test1 && { echo "Expected failure" >&2; exit 1; }
test -h "$root/etc/systemd/system/default.target.wants/test1.service"
test ! -e "$root/etc/systemd/system/test1-goodalias.service"
test -h "$root/etc/systemd/system/test1-goodalias.service"
test ! -e "$root/etc/systemd/system/test1@badalias.service"
test ! -e "$root/etc/systemd/system/test1-badalias.target"
test ! -e "$root/etc/systemd/system/test1-badalias.socket"
"$systemctl" --root="$root" disable test1
test ! -e "$root/etc/systemd/system/default.target.wants/test1.service"
test ! -e "$root/etc/systemd/system/special.target.requires/test1.service"
test ! -e "$root/etc/systemd/system/test1-goodalias.service"
: -------also units-------------------------------------------
cat >"$root/etc/systemd/system/test2.socket" <<EOF
[Install]
WantedBy=sockets.target
Also=test2.service
EOF
cat >"$root/etc/systemd/system/test2.service" <<EOF
[Install]
WantedBy=default.target
Also=test2.socket
EOF
"$systemctl" --root="$root" reenable test2.service
test -h "$root/etc/systemd/system/default.target.wants/test2.service"
test -h "$root/etc/systemd/system/sockets.target.wants/test2.socket"
"$systemctl" --root="$root" reenable test2.socket
test -h "$root/etc/systemd/system/default.target.wants/test2.service"
test -h "$root/etc/systemd/system/sockets.target.wants/test2.socket"
"$systemctl" --root="$root" disable test2.socket
test ! -e "$root/etc/systemd/system/default.target.wants/test2.service"
test ! -e "$root/etc/systemd/system/sockets.target.wants/test2.socket"
: -------link-------------------------------------------------
# File doesn't exist yet
test ! -e "$root/link1.path"
"$systemctl" --root="$root" link '/link1.path' && { echo "Expected failure" >&2; exit 1; }
test ! -e "$root/etc/systemd/system/link1.path"
cat >"$root/link1.path" <<EOF
[Install]
WantedBy=paths.target
EOF
"$systemctl" --root="$root" link '/link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
: -------link already linked same path------------------------
SYSTEMD_LOG_LEVEL=debug "$systemctl" --root="$root" link '/link1.path' # this passes
islink "$root/etc/systemd/system/link1.path" "/link1.path"
: -------link already linked different path-------------------
mkdir "$root/subdir"
cp "$root/link1.path" "$root/subdir/"
"$systemctl" --root="$root" link '/subdir/link1.path' && { echo "Expected failure" >&2; exit 1; }
islink "$root/etc/systemd/system/link1.path" "/link1.path"
: -------link bad suffix--------------------------------------
cp "$root/link1.path" "$root/subdir/link1.suffix"
"$systemctl" --root="$root" link '/subdir/link1.suffix' && { echo "Expected failure" >&2; exit 1; }
test ! -e "$root/etc/systemd/system/link1.suffix"
: -------unlink by unit name----------------------------------
"$systemctl" --root="$root" disable 'link1.path'
test ! -e "$root/etc/systemd/system/link1.path"
: -------unlink by path---------------------------------------
"$systemctl" --root="$root" link '/link1.path'
test -h "$root/etc/systemd/system/link1.path"
"$systemctl" --root="$root" disable '/link1.path'
test ! -e "$root/etc/systemd/system/link1.path"
: -------unlink by wrong path---------------------------------
"$systemctl" --root="$root" link '/link1.path'
test -h "$root/etc/systemd/system/link1.path"
"$systemctl" --root="$root" disable '/subdir/link1.path' # we only care about the name
test ! -e "$root/etc/systemd/system/link1.path"
: -------link and enable--------------------------------------
"$systemctl" --root="$root" enable '/link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
: -------enable already linked same path----------------------
"$systemctl" --root="$root" enable '/link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
: -------enable already linked different path-----------------
"$systemctl" --root="$root" enable '/subdir/link1.path' && { echo "Expected failure" >&2; exit 1; }
islink "$root/etc/systemd/system/link1.path" "/link1.path"
islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
: -------enable bad suffix------------------------------------
cp "$root/link1.path" "$root/subdir/link1.suffix"
"$systemctl" --root="$root" enable '/subdir/link1.suffix' && { echo "Expected failure" >&2; exit 1; }
test ! -e "$root/etc/systemd/system/link1.suffix"
test ! -e "$root/etc/systemd/system/paths.target.wants/link1.suffix"
: -------disable by unit name---------------------------------
"$systemctl" --root="$root" disable 'link1.path'
test ! -e "$root/etc/systemd/system/link1.path"
test ! -e "$root/etc/systemd/system/paths.target.wants/link1.path"
: -------disable by path--------------------------------------
"$systemctl" --root="$root" enable '/link1.path'
test -h "$root/etc/systemd/system/link1.path"
test -h "$root/etc/systemd/system/paths.target.wants/link1.path"
"$systemctl" --root="$root" disable '/link1.path'
test ! -e "$root/etc/systemd/system/link1.path"
test ! -e "$root/etc/systemd/system/paths.target.wants/link1.path"
: -------link then enable-------------------------------------
"$systemctl" --root="$root" link '/link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
test ! -h "$root/etc/systemd/system/paths.target.wants/link1.path"
"$systemctl" --root="$root" enable 'link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
"$systemctl" --root="$root" reenable 'link1.path'
islink "$root/etc/systemd/system/link1.path" "/link1.path"
islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
: -------manual link------------------------------------------
cat >"$root/link3.suffix" <<EOF
[Install]
WantedBy=services.target
EOF
ln -s "/link3.suffix" "$root/etc/systemd/system/link3.service"
# SYSTEMD_LOG_LEVEL=debug SYSTEMD_LOG_LOCATION=1 "$systemctl" --root="$root" enable 'link3.service'
# islink "$root/etc/systemd/system/link3.service" "/link3.suffix"
# islink "$root/etc/systemd/system/services.target.wants/link3.service" "../link3.service"
# unit_file_load_or_readlink() needs to be fixed to not follow links
: -------enable on masked-------------------------------------
ln -s "/dev/null" "$root/etc/systemd/system/masked.service"
"$systemctl" --root="$root" enable 'masked.service' && { echo "Expected failure" >&2; exit 1; }
"$systemctl" --root="$root" enable '/etc/systemd/system/masked.service' && { echo "Expected failure" >&2; exit 1; }
: -------enable on masked alias-------------------------------
test -h "$root/etc/systemd/system/masked.service"
ln -s "masked.service" "$root/etc/systemd/system/masked-alias.service"
"$systemctl" --root="$root" enable 'masked-alias.service' && { echo "Expected failure" >&2; exit 1; }
"$systemctl" --root="$root" enable '/etc/systemd/system/masked-alias.service' && { echo "Expected failure" >&2; exit 1; }
: -------issue 22000: link in subdirectory--------------------
mkdir -p "$root/etc/systemd/system/myown.d"
cat >"$root/etc/systemd/system/link5-also.service" <<EOF
[Install]
WantedBy=services.target
Also=link5.service
EOF
cat >"$root/etc/systemd/system/myown.d/link5.service" <<EOF
[Install]
WantedBy=services.target
Also=link5-also.service
EOF
"$systemctl" --root="$root" enable 'link5.service' && { echo "Expected failure" >&2; exit 1; }
test ! -h "$root/etc/systemd/system/services.target.wants/link5.service"
test ! -h "$root/etc/systemd/system/services.target.wants/link5-also.service"
"$systemctl" --root="$root" enable 'link5-also.service'
test ! -h "$root/etc/systemd/system/services.target.wants/link5.service"
islink "$root/etc/systemd/system/services.target.wants/link5-also.service" "/etc/systemd/system/link5-also.service"
: -------template enablement----------------------------------
cat >"$root/etc/systemd/system/templ1@.service" <<EOF
[Install]
WantedBy=services.target
EOF
# No instance here — this can't succeed.
"$systemctl" --root="$root" enable 'templ1@.service' && { echo "Expected failure" >&2; exit 1; }
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
"$systemctl" --root="$root" enable 'templ1@one.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" enable 'templ1@two.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" disable 'templ1@one.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" disable 'templ1@two.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@two.service"
: -------template enablement w/ default instance--------------
cat >"$root/etc/systemd/system/templ1@.service" <<EOF
[Install]
# check enablement with
WantedBy=services.target services.target
RequiredBy=other@templ1.target other@%p.target
DefaultInstance=333
EOF
"$systemctl" --root="$root" enable 'templ1@.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" enable 'templ1@one.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" enable 'templ1@two.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service" "/etc/systemd/system/templ1@.service"
"$systemctl" --root="$root" disable 'templ1@one.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service"
islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service" "/etc/systemd/system/templ1@.service"
# disable remaining links here
"$systemctl" --root="$root" disable 'templ1@.service'
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@333.service"
test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service"
test ! -h "$root/etc/systemd/system/services.target.wants/templ1@two.service"
test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service"
: -------template enablement for another template-------------
cat >"$root/etc/systemd/system/templ2@.service" <<EOF
[Install]
RequiredBy=another-template@.target
EOF
"$systemctl" --root="$root" enable 'templ2@.service'
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
"$systemctl" --root="$root" enable 'templ2@two.service'
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service" "/etc/systemd/system/templ2@.service"
"$systemctl" --root="$root" disable 'templ2@other.service'
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service" "/etc/systemd/system/templ2@.service"
"$systemctl" --root="$root" disable 'templ2@two.service'
islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service"
"$systemctl" --root="$root" disable 'templ2@.service'
test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@.service"
test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service"
: -------aliases w/ and w/o instance--------------------------
test ! -e "$root/etc/systemd/system/link4.service"
cat >"$root/etc/systemd/system/link4.service" <<EOF
[Install]
Alias=link4.service
Alias=link4@.service
Alias=link4@inst.service
Alias=link4alias.service
Alias=link4alias2.service
EOF
"$systemctl" --root="$root" enable 'link4.service' && { echo "Expected failure" >&2; exit 1; }
test ! -h "$root/etc/systemd/system/link4.service" # this is our file
test ! -h "$root/etc/systemd/system/link4@.service"
test ! -h "$root/etc/systemd/system/link4@inst.service"
islink "$root/etc/systemd/system/link4alias.service" "/etc/systemd/system/link4.service"
islink "$root/etc/systemd/system/link4alias2.service" "/etc/systemd/system/link4.service"
"$systemctl" --root="$root" disable 'link4.service'
test ! -h "$root/etc/systemd/system/link4.service"
test ! -h "$root/etc/systemd/system/link4@.service"
test ! -h "$root/etc/systemd/system/link4@inst.service"
test ! -h "$root/etc/systemd/system/link4alias.service"
test ! -h "$root/etc/systemd/system/link4alias2.service"
: -------systemctl enable on path to unit file----------------
cat >"$root/etc/systemd/system/link4.service" <<EOF
[Install]
Alias=link4alias.service
Alias=link4alias2.service
EOF
# Apparently this works. I'm not sure what to think.
"$systemctl" --root="$root" enable '/etc/systemd/system/link4.service'
test ! -h "$root/etc/systemd/system/link4.service" # this is our file
islink "$root/etc/systemd/system/link4alias.service" "/etc/systemd/system/link4.service"
islink "$root/etc/systemd/system/link4alias2.service" "/etc/systemd/system/link4.service"
"$systemctl" --root="$root" disable '/etc/systemd/system/link4.service'
test ! -h "$root/etc/systemd/system/link4.service"
test ! -h "$root/etc/systemd/system/link4alias.service"
test ! -h "$root/etc/systemd/system/link4alias2.service"
: -------issue 661: link and enable on unit file--------------
test ! -e "$root/etc/systemd/system/link5.service"
cat >"$root/etc/systemd/system/link5.service" <<EOF
[Install]
Alias=link5.service
Alias=link5alias.service
Alias=link5alias2.service
EOF
"$systemctl" --root="$root" enable 'link5.service'
test ! -h "$root/etc/systemd/system/link5.service" # this is our file
# FIXME/CLARIFYME: will systemd think that link5alias2, link5alias, link5 are all aliases?
# https://github.com/systemd/systemd/issues/661#issuecomment-1057931149
islink "$root/etc/systemd/system/link5alias.service" "/etc/systemd/system/link5.service"
islink "$root/etc/systemd/system/link5alias2.service" "/etc/systemd/system/link5.service"
"$systemctl" --root="$root" disable 'link5.service'
test ! -h "$root/etc/systemd/system/link5alias.service"
test ! -h "$root/etc/systemd/system/link5alias2.service"
: ----issue 19437: plain templates in .wants/ or .requires/---
test ! -e "$root/etc/systemd/system/link5@.path"
cat >"$root/etc/systemd/system/link5@.path" <<EOF
[Install]
WantedBy=target5@.target
RequiredBy=target5@.target
WantedBy=target5@inst.target
RequiredBy=target5@inst.target
EOF
"$systemctl" --root="$root" enable 'link5@.path'
test ! -h "$root/etc/systemd/system/link5@.path" # this is our file
islink "$root/etc/systemd/system/target5@.target.wants/link5@.path" "/etc/systemd/system/link5@.path"
islink "$root/etc/systemd/system/target5@.target.requires/link5@.path" "/etc/systemd/system/link5@.path"
islink "$root/etc/systemd/system/target5@inst.target.wants/link5@.path" "/etc/systemd/system/link5@.path"
islink "$root/etc/systemd/system/target5@inst.target.requires/link5@.path" "/etc/systemd/system/link5@.path"
"$systemctl" --root="$root" disable 'link5@.path'
test ! -h "$root/etc/systemd/system/link5@.path" # this is our file
test ! -h "$root/etc/systemd/system/target5@.target.wants/link5@.path"
test ! -h "$root/etc/systemd/system/target5@.target.requires/link5@.path"
test ! -h "$root/etc/systemd/system/target5@inst.target.wants/link5@.path"
test ! -h "$root/etc/systemd/system/target5@inst.target.requires/link5@.path"
: -------removal of symlinks not listed in [Install]----------
# c.f. 66a19d85a533b15ed32f4066ec880b5a8c06babd
test ! -e "$root/etc/systemd/system/multilink.mount"
cat >"$root/etc/systemd/system/multilink.mount" <<EOF
[Install]
WantedBy=multilink.target
EOF
mkdir -p "$root/etc/systemd/system/default.target.wants"
ln -s ../multilink.mount "$root/etc/systemd/system/default.target.wants/"
ln -s ../multilink.mount "$root/etc/systemd/system/multilink-alias.mount"
ln -s ../multilink.mount "$root/etc/systemd/system/multilink-badalias.service"
"$systemctl" --root="$root" disable 'multilink.mount'
test -e "$root/etc/systemd/system/multilink.mount" # this is our file
test ! -h "$root/etc/systemd/system/default.target.wants/"
test ! -h "$root/etc/systemd/system/multilink-alias.mount"
test ! -h "$root/etc/systemd/system/multilink-badalias.service"
: -------merge 20017: specifiers in the unit file-------------
test ! -e "$root/etc/systemd/system/some-some-link6@.socket"
# c.f. de61a04b188f81a85cdb5c64ddb4987dcd9d30d3
check_alias() {
: ------------------ %$1 -------------------------------------
cat >"$root/etc/systemd/system/some-some-link6@.socket" <<EOF
[Install]
Alias=target@$1:%$1.socket
EOF
SYSTEMD_LOG_LEVEL=debug "$systemctl" --root="$root" enable 'some-some-link6@.socket' || return 1
islink "$root/etc/systemd/system/target@$1:$2.socket" "/etc/systemd/system/some-some-link6@.socket" || return 2
}
check_alias a "$(uname -m | tr '_' '-')"
test ! -e "$root/etc/os-release"
test ! -e "$root/usr/lib/os-release"
check_alias A '' && { echo "Expected failure" >&2; exit 1; }
check_alias B '' && { echo "Expected failure" >&2; exit 1; }
check_alias M '' && { echo "Expected failure" >&2; exit 1; }
check_alias o '' && { echo "Expected failure" >&2; exit 1; }
check_alias w '' && { echo "Expected failure" >&2; exit 1; }
check_alias W '' && { echo "Expected failure" >&2; exit 1; }
cat >"$root/etc/os-release" <<EOF
# empty
EOF
check_alias A ''
check_alias B ''
check_alias M ''
check_alias o ''
check_alias w ''
check_alias W ''
cat >"$root/etc/os-release" <<EOF
ID='the-id'
VERSION_ID=39a
BUILD_ID=build-id
VARIANT_ID=wrong
VARIANT_ID=right
IMAGE_ID="foobar"
IMAGE_VERSION='1-2-3'
EOF
check_alias A '1-2-3'
check_alias B 'build-id'
check_alias M 'foobar'
check_alias o 'the-id'
check_alias w '39a'
check_alias W 'right'
check_alias b "$(systemd-id128 boot-id)"
# Specifiers not available for [Install]
check_alias C '' && { echo "Expected failure" >&2; exit 1; }
check_alias E '' && { echo "Expected failure" >&2; exit 1; }
check_alias f '' && { echo "Expected failure" >&2; exit 1; }
check_alias h '' && { echo "Expected failure" >&2; exit 1; }
check_alias I '' && { echo "Expected failure" >&2; exit 1; }
check_alias J '' && { echo "Expected failure" >&2; exit 1; }
check_alias L '' && { echo "Expected failure" >&2; exit 1; }
check_alias P '' && { echo "Expected failure" >&2; exit 1; }
check_alias s '' && { echo "Expected failure" >&2; exit 1; }
check_alias S '' && { echo "Expected failure" >&2; exit 1; }
check_alias t '' && { echo "Expected failure" >&2; exit 1; }
check_alias T '' && { echo "Expected failure" >&2; exit 1; }
check_alias V '' && { echo "Expected failure" >&2; exit 1; }
check_alias g root
check_alias G 0
check_alias u root
check_alias U 0
check_alias i ""
check_alias j 'link6'
check_alias l "$(uname -n | sed 's/\..*//')"
test ! -e "$root/etc/machine-id"
check_alias m '' && { echo "Expected failure" >&2; exit 1; }
systemd-id128 new >"$root/etc/machine-id"
check_alias m "$(cat "$root/etc/machine-id")"
check_alias n 'some-some-link6@.socket'
check_alias N 'some-some-link6@'
check_alias p 'some-some-link6'
check_alias v "$(uname -r)"
check_alias % '%' && { echo "Expected failure because % is not legal in unit name" >&2; exit 1; }
check_alias z 'z' && { echo "Expected failure because %z is not known" >&2; exit 1; }
: -------specifiers in WantedBy-------------------------------
# We don't need to repeat all the tests. Let's do a basic check that specifier
# expansion is performed.
cat >"$root/etc/systemd/system/some-some-link7.socket" <<EOF
[Install]
WantedBy=target@%p.target
WantedBy=another-target@.target
RequiredBy=target2@%p.target
RequiredBy=another-target2@.target
EOF
"$systemctl" --root="$root" enable 'some-some-link7.socket'
islink "$root/etc/systemd/system/target@some-some-link7.target.wants/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
islink "$root/etc/systemd/system/another-target@.target.wants/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
islink "$root/etc/systemd/system/target2@some-some-link7.target.requires/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
islink "$root/etc/systemd/system/another-target2@.target.requires/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
"$systemctl" --root="$root" disable 'some-some-link7.socket'
test ! -h "$root/etc/systemd/system/target@some-some-link7.target.wants/some-some-link7.socket"
test ! -h "$root/etc/systemd/system/another-target@.target.wants/some-some-link7.socket"
test ! -h "$root/etc/systemd/system/target2@some-some-link7.target.requires/some-some-link7.socket"
test ! -h "$root/etc/systemd/system/another-target2@.target.requires/some-some-link7.socket"
# TODO: repeat the tests above for presets
: -------SYSTEMD_OS_RELEASE relative to root------------------
# check that os-release overwriting works as expected with root
test -e "$root/etc/os-release"
cat >"$root/etc/os-release2" <<EOF
ID='the-id2'
EOF
SYSTEMD_OS_RELEASE="$root/etc/os-release2" check_alias o 'the-id2'