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systemd/test/units/testsuite-15.sh

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#!/bin/bash
set -eux
set -o pipefail
_clear_service () {
local SERVICE_NAME="${1:?_clear_service: missing argument}"
systemctl stop "$SERVICE_NAME.service" 2>/dev/null || :
rm -f /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service
rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.d
rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.{wants,requires}
if [[ $SERVICE_NAME == *@ ]]; then
systemctl stop "$SERVICE_NAME"*.service 2>/dev/null || :
rm -f /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service
rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service.d
rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service.{wants,requires}
fi
}
clear_services () {
for u in "$@"; do
_clear_service "$u"
done
systemctl daemon-reload
}
create_service () {
local SERVICE_NAME="${1:?create_service: missing argument}"
clear_services "$SERVICE_NAME"
cat >/etc/systemd/system/"$SERVICE_NAME".service <<EOF
[Unit]
Description=$SERVICE_NAME unit
[Service]
ExecStart=/bin/sleep 100000
EOF
mkdir -p /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.d
mkdir -p /etc/systemd/system/"$SERVICE_NAME".service.{wants,requires}
mkdir -p /run/systemd/system/"$SERVICE_NAME".service.{wants,requires}
mkdir -p /usr/lib/systemd/system/"$SERVICE_NAME".service.{wants,requires}
}
create_services () {
for u in "$@"; do
create_service "$u"
done
}
check_ok () {
[ $# -eq 3 ] || return
x="$(systemctl show --value -p "$2" "$1")"
case "$x" in
*$3*) return 0 ;;
*) return 1 ;;
esac
}
check_ko () {
! check_ok "$@"
}
test_basic_dropins () {
echo "Testing basic dropins..."
echo "*** test a wants b wants c"
create_services test15-a test15-b test15-c
ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
ln -s ../test15-c.service /etc/systemd/system/test15-b.service.wants/
check_ok test15-a Wants test15-b.service
check_ok test15-b Wants test15-c.service
echo "*** test a wants,requires b"
create_services test15-a test15-b test15-c
ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
ln -s ../test15-b.service /etc/systemd/system/test15-a.service.requires/
check_ok test15-a Wants test15-b.service
check_ok test15-a Requires test15-b.service
echo "*** test a wants nonexistent"
create_service test15-a
ln -s ../nonexistent.service /etc/systemd/system/test15-a.service.wants/
check_ok test15-a Wants nonexistent.service
systemctl start test15-a
systemctl stop test15-a
echo "*** test a requires nonexistent"
ln -sf ../nonexistent.service /etc/systemd/system/test15-a.service.requires/
systemctl daemon-reload
check_ok test15-a Requires nonexistent.service
# 'b' is already loaded when 'c' pulls it in via a dropin.
echo "*** test a,c require b"
create_services test15-a test15-b test15-c
ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
ln -sf ../test15-b.service /etc/systemd/system/test15-c.service.requires/
systemctl start test15-a
check_ok test15-c Requires test15-b.service
systemctl stop test15-a test15-b
# 'b' is already loaded when 'c' pulls it in via an alias dropin.
echo "*** test a wants alias"
create_services test15-a test15-b test15-c
ln -sf test15-c.service /etc/systemd/system/test15-c1.service
ln -sf ../test15-c.service /etc/systemd/system/test15-a.service.wants/
ln -sf ../test15-c1.service /etc/systemd/system/test15-b.service.wants/
systemctl start test15-a
check_ok test15-a Wants test15-c.service
check_ok test15-b Wants test15-c.service
systemctl stop test15-a test15-c
echo "*** test service.d/ top level drop-in"
create_services test15-a test15-b
check_ko test15-a ExecCondition "/bin/echo a"
check_ko test15-b ExecCondition "/bin/echo b"
mkdir -p /usr/lib/systemd/system/service.d
cat >/usr/lib/systemd/system/service.d/override.conf <<EOF
[Service]
ExecCondition=/bin/echo %n
EOF
systemctl daemon-reload
check_ok test15-a ExecCondition "/bin/echo test15-a"
check_ok test15-b ExecCondition "/bin/echo test15-b"
rm -rf /usr/lib/systemd/system/service.d
clear_services test15-a test15-b test15-c
}
test_linked_units () {
echo "Testing linked units..."
echo "*** test linked unit (same basename)"
create_service test15-a
mv /etc/systemd/system/test15-a.service /
ln -s /test15-a.service /etc/systemd/system/
ln -s test15-a.service /etc/systemd/system/test15-b.service
check_ok test15-a Names test15-a.service
check_ok test15-a Names test15-b.service
echo "*** test linked unit (cross basename)"
mv /test15-a.service /test15-a@.scope
ln -fs /test15-a@.scope /etc/systemd/system/test15-a.service
systemctl daemon-reload
check_ok test15-a Names test15-a.service
check_ok test15-a Names test15-b.service
check_ko test15-a Names test15-a@ # test15-a@.scope is the symlink target.
# Make sure it is completely ignored.
rm /test15-a@.scope
clear_services test15-a test15-b
}
test_hierarchical_dropins () {
echo "Testing hierarchical dropins..."
echo "*** test service.d/ top level drop-in"
create_services a-b-c
check_ko a-b-c ExecCondition "/bin/echo service.d"
check_ko a-b-c ExecCondition "/bin/echo a-.service.d"
check_ko a-b-c ExecCondition "/bin/echo a-b-.service.d"
check_ko a-b-c ExecCondition "/bin/echo a-b-c.service.d"
for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
mkdir -p /usr/lib/systemd/system/$dropin
echo "
[Service]
ExecCondition=/bin/echo $dropin
" >/usr/lib/systemd/system/$dropin/override.conf
systemctl daemon-reload
check_ok a-b-c ExecCondition "/bin/echo $dropin"
done
for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
rm -rf /usr/lib/systemd/system/$dropin
done
clear_services a-b-c
}
test_template_dropins () {
echo "Testing template dropins..."
create_services foo bar@ yup@
# Declare some deps to check if the body was loaded
cat >>/etc/systemd/system/bar@.service <<EOF
[Unit]
After=bar-template-after.device
EOF
cat >>/etc/systemd/system/yup@.service <<EOF
[Unit]
After=yup-template-after.device
EOF
ln -s /etc/systemd/system/bar@.service /etc/systemd/system/foo.service.wants/bar@1.service
check_ok foo Wants bar@1.service
echo "*** test bar-alias@.service→bar@.service, but instance symlinks point to yup@.service ***"
ln -s bar@.service /etc/systemd/system/bar-alias@.service
ln -s bar@1.service /etc/systemd/system/bar-alias@1.service
ln -s yup@.service /etc/systemd/system/bar-alias@2.service
ln -s yup@3.service /etc/systemd/system/bar-alias@3.service
# create some dropin deps
mkdir -p /etc/systemd/system/bar@{,0,1,2,3}.service.requires/
mkdir -p /etc/systemd/system/yup@{,0,1,2,3}.service.requires/
mkdir -p /etc/systemd/system/bar-alias@{,0,1,2,3}.service.requires/
ln -s ../bar-template-requires.device /etc/systemd/system/bar@.service.requires/
ln -s ../bar-0-requires.device /etc/systemd/system/bar@0.service.requires/
ln -s ../bar-1-requires.device /etc/systemd/system/bar@1.service.requires/
ln -s ../bar-2-requires.device /etc/systemd/system/bar@2.service.requires/
ln -s ../bar-3-requires.device /etc/systemd/system/bar@3.service.requires/
ln -s ../yup-template-requires.device /etc/systemd/system/yup@.service.requires/
ln -s ../yup-0-requires.device /etc/systemd/system/yup@0.service.requires/
ln -s ../yup-1-requires.device /etc/systemd/system/yup@1.service.requires/
ln -s ../yup-2-requires.device /etc/systemd/system/yup@2.service.requires/
ln -s ../yup-3-requires.device /etc/systemd/system/yup@3.service.requires/
ln -s ../bar-alias-template-requires.device /etc/systemd/system/bar-alias@.service.requires/
ln -s ../bar-alias-0-requires.device /etc/systemd/system/bar-alias@0.service.requires/
ln -s ../bar-alias-1-requires.device /etc/systemd/system/bar-alias@1.service.requires/
ln -s ../bar-alias-2-requires.device /etc/systemd/system/bar-alias@2.service.requires/
ln -s ../bar-alias-3-requires.device /etc/systemd/system/bar-alias@3.service.requires/
systemctl daemon-reload
echo '*** bar@0 is aliased by bar-alias@0 ***'
systemctl show -p Names,Requires bar@0
systemctl show -p Names,Requires bar-alias@0
check_ok bar@0 Names bar@0
check_ok bar@0 Names bar-alias@0
check_ok bar@0 After bar-template-after.device
check_ok bar@0 Requires bar-0-requires.device
check_ok bar@0 Requires bar-alias-0-requires.device
check_ok bar@0 Requires bar-template-requires.device
check_ok bar@0 Requires bar-alias-template-requires.device
check_ko bar@0 Requires yup-template-requires.device
check_ok bar-alias@0 After bar-template-after.device
check_ok bar-alias@0 Requires bar-0-requires.device
check_ok bar-alias@0 Requires bar-alias-0-requires.device
check_ok bar-alias@0 Requires bar-template-requires.device
check_ok bar-alias@0 Requires bar-alias-template-requires.device
check_ko bar-alias@0 Requires yup-template-requires.device
check_ko bar-alias@0 Requires yup-0-requires.device
echo '*** bar@1 is aliased by bar-alias@1 ***'
systemctl show -p Names,Requires bar@1
systemctl show -p Names,Requires bar-alias@1
check_ok bar@1 Names bar@1
check_ok bar@1 Names bar-alias@1
check_ok bar@1 After bar-template-after.device
check_ok bar@1 Requires bar-1-requires.device
check_ok bar@1 Requires bar-alias-1-requires.device
check_ok bar@1 Requires bar-template-requires.device
# See https://github.com/systemd/systemd/pull/13119#discussion_r308145418
check_ok bar@1 Requires bar-alias-template-requires.device
check_ko bar@1 Requires yup-template-requires.device
check_ko bar@1 Requires yup-1-requires.device
check_ok bar-alias@1 After bar-template-after.device
check_ok bar-alias@1 Requires bar-1-requires.device
check_ok bar-alias@1 Requires bar-alias-1-requires.device
check_ok bar-alias@1 Requires bar-template-requires.device
check_ok bar-alias@1 Requires bar-alias-template-requires.device
check_ko bar-alias@1 Requires yup-template-requires.device
check_ko bar-alias@1 Requires yup-1-requires.device
echo '*** bar-alias@2 aliases yup@2, bar@2 is independent ***'
systemctl show -p Names,Requires bar@2
systemctl show -p Names,Requires bar-alias@2
check_ok bar@2 Names bar@2
check_ko bar@2 Names bar-alias@2
check_ok bar@2 After bar-template-after.device
check_ok bar@2 Requires bar-2-requires.device
check_ko bar@2 Requires bar-alias-2-requires.device
check_ok bar@2 Requires bar-template-requires.device
check_ko bar@2 Requires bar-alias-template-requires.device
check_ko bar@2 Requires yup-template-requires.device
check_ko bar@2 Requires yup-2-requires.device
check_ko bar-alias@2 After bar-template-after.device
check_ko bar-alias@2 Requires bar-2-requires.device
check_ok bar-alias@2 Requires bar-alias-2-requires.device
check_ko bar-alias@2 Requires bar-template-requires.device
check_ok bar-alias@2 Requires bar-alias-template-requires.device
check_ok bar-alias@2 Requires yup-template-requires.device
check_ok bar-alias@2 Requires yup-2-requires.device
echo '*** bar-alias@3 aliases yup@3, bar@3 is independent ***'
systemctl show -p Names,Requires bar@3
systemctl show -p Names,Requires bar-alias@3
check_ok bar@3 Names bar@3
check_ko bar@3 Names bar-alias@3
check_ok bar@3 After bar-template-after.device
check_ok bar@3 Requires bar-3-requires.device
check_ko bar@3 Requires bar-alias-3-requires.device
check_ok bar@3 Requires bar-template-requires.device
check_ko bar@3 Requires bar-alias-template-requires.device
check_ko bar@3 Requires yup-template-requires.device
check_ko bar@3 Requires yup-3-requires.device
check_ko bar-alias@3 After bar-template-after.device
check_ko bar-alias@3 Requires bar-3-requires.device
check_ok bar-alias@3 Requires bar-alias-3-requires.device
check_ko bar-alias@3 Requires bar-template-requires.device
check_ok bar-alias@3 Requires bar-alias-template-requires.device
check_ok bar-alias@3 Requires yup-template-requires.device
check_ok bar-alias@3 Requires yup-3-requires.device
clear_services foo {bar,yup,bar-alias}@{,1,2,3}
}
test_alias_dropins () {
echo "Testing alias dropins..."
echo "*** test a wants b1 alias of b"
create_services test15-a test15-b
ln -sf test15-b.service /etc/systemd/system/test15-b1.service
ln -sf ../test15-b1.service /etc/systemd/system/test15-a.service.wants/
check_ok test15-a Wants test15-b.service
systemctl start test15-a
systemctl --quiet is-active test15-b
systemctl stop test15-a test15-b
rm /etc/systemd/system/test15-b1.service
clear_services test15-a test15-b
# Check that dependencies don't vary.
echo "*** test 2"
create_services test15-a test15-x test15-y
mkdir -p /etc/systemd/system/test15-a1.service.wants/
ln -sf test15-a.service /etc/systemd/system/test15-a1.service
ln -sf ../test15-x.service /etc/systemd/system/test15-a.service.wants/
ln -sf ../test15-y.service /etc/systemd/system/test15-a1.service.wants/
check_ok test15-a1 Wants test15-x.service # see [1]
check_ok test15-a1 Wants test15-y.service
systemctl start test15-a
check_ok test15-a1 Wants test15-x.service # see [2]
check_ok test15-a1 Wants test15-y.service
systemctl stop test15-a test15-x test15-y
rm /etc/systemd/system/test15-a1.service
clear_services test15-a test15-x test15-y
}
test_masked_dropins () {
echo "Testing masked dropins..."
create_services test15-a test15-b
# 'b' is masked for both deps
echo "*** test a wants,requires b is masked"
ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b.service
check_ko test15-a Wants test15-b.service
check_ko test15-a Requires test15-b.service
# 'a' wants 'b' and 'b' is masked at a lower level
echo "*** test a wants b, mask override"
ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.wants/test15-b.service
ln -sf /dev/null /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
check_ok test15-a Wants test15-b.service
# 'a' wants 'b' and 'b' is masked at a higher level
echo "*** test a wants b, mask"
ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
check_ko test15-a Wants test15-b.service
# 'a' is masked but has an override config file
echo "*** test a is masked but has an override"
create_services test15-a test15-b
ln -sf /dev/null /etc/systemd/system/test15-a.service
cat >/usr/lib/systemd/system/test15-a.service.d/override.conf <<EOF
2018-03-02 08:07:27 +03:00
[Unit]
After=test15-b.service
2018-03-02 08:07:27 +03:00
EOF
check_ok test15-a UnitFileState masked
# 'b1' is an alias for 'b': masking 'b' dep should not influence 'b1' dep
echo "*** test a wants b, b1, and one is masked"
create_services test15-a test15-b
ln -sf test15-b.service /etc/systemd/system/test15-b1.service
ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
ln -sf ../test15-b1.service /usr/lib/systemd/system/test15-a.service.wants/test15-b1.service
systemctl cat test15-a
systemctl show -p Wants,Requires test15-a
systemctl cat test15-b1
systemctl show -p Wants,Requires test15-b1
check_ok test15-a Wants test15-b.service
check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
rm /etc/systemd/system/test15-b1.service
# 'b1' is an alias for 'b': masking 'b1' should not influence 'b' dep
echo "*** test a wants b, alias dep is masked"
create_services test15-a test15-b
ln -sf test15-b.service /etc/systemd/system/test15-b1.service
ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b1.service
ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
check_ok test15-a Wants test15-b.service
check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
rm /etc/systemd/system/test15-b1.service
# 'a' has Wants=b.service but also has a masking
# dropin 'b': 'b' should still be pulled in.
echo "*** test a wants b both ways"
create_services test15-a test15-b
ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
cat >/usr/lib/systemd/system/test15-a.service.d/wants-b.conf<<EOF
[Unit]
Wants=test15-b.service
EOF
check_ok test15-a Wants test15-b.service
# mask a dropin that points to an nonexistent unit.
echo "*** test a wants nonexistent is masked"
create_services test15-a
ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/nonexistent.service
ln -sf ../nonexistent.service /usr/lib/systemd/system/test15-a.service.requires/
check_ko test15-a Requires nonexistent.service
# 'b' is already loaded when 'c' pulls it in via a dropin but 'b' is
# masked at a higher level.
echo "*** test a wants b is masked"
create_services test15-a test15-b test15-c
ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
ln -sf ../test15-b.service /run/systemd/system/test15-c.service.requires/
ln -sf /dev/null /etc/systemd/system/test15-c.service.requires/test15-b.service
systemctl start test15-a
check_ko test15-c Requires test15-b.service
systemctl stop test15-a test15-b
# 'b' is already loaded when 'c' pulls it in via a dropin but 'b' is
# masked at a lower level.
echo "*** test a requires b is masked"
create_services test15-a test15-b test15-c
ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
ln -sf ../test15-b.service /etc/systemd/system/test15-c.service.requires/
ln -sf /dev/null /run/systemd/system/test15-c.service.requires/test15-b.service
systemctl start test15-a
check_ok test15-c Requires test15-b.service
systemctl stop test15-a test15-b
# 'a' requires 2 aliases of 'b' and one of them is a mask.
echo "*** test a requires alias of b, other alias masked"
create_services test15-a test15-b
ln -sf test15-b.service /etc/systemd/system/test15-b1.service
ln -sf test15-b.service /etc/systemd/system/test15-b2.service
ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b1.service
ln -sf ../test15-b1.service /run/systemd/system/test15-a.service.requires/
ln -sf ../test15-b2.service /usr/lib/systemd/system/test15-a.service.requires/
check_ok test15-a Requires test15-b
# Same as above but now 'b' is masked.
echo "*** test a requires alias of b, b dep masked"
create_services test15-a test15-b
ln -sf test15-b.service /etc/systemd/system/test15-b1.service
ln -sf test15-b.service /etc/systemd/system/test15-b2.service
ln -sf ../test15-b1.service /run/systemd/system/test15-a.service.requires/
ln -sf ../test15-b2.service /usr/lib/systemd/system/test15-a.service.requires/
ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b.service
check_ok test15-a Requires test15-b
clear_services test15-a test15-b
}
test_invalid_dropins () {
echo "Testing invalid dropins..."
# Assertion failed on earlier versions, command exits unsuccessfully on later versions
systemctl cat nonexistent@.service || true
create_services a
systemctl daemon-reload
# Assertion failed on earlier versions, command exits unsuccessfully on later versions
systemctl cat a@.service || true
systemctl stop a
clear_services a
return 0
}
test_basic_dropins
test_linked_units
test_hierarchical_dropins
test_template_dropins
test_alias_dropins
test_masked_dropins
test_invalid_dropins
touch /testok