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systemd/test/units/testsuite-15.sh
Zbigniew Jędrzejewski-Szmek 1aa0f38491 test/TEST-15: call daemon-reload in two more places
Sometimes the test would fail there, nondeterministically. I'm not sure why,
but relying on PID1 not caching the file is clearly very brittle. Let's instead
call daemon-reload.
2020-03-28 11:46:47 +01:00

475 lines
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Executable File

#! /bin/bash
set -e
set -x
_clear_service () {
systemctl stop $1.service 2>/dev/null || :
rm -f /{etc,run,usr/lib}/systemd/system/$1.service
rm -fr /{etc,run,usr/lib}/systemd/system/$1.service.d
rm -fr /{etc,run,usr/lib}/systemd/system/$1.service.{wants,requires}
if [[ $1 == *@ ]]; then
systemctl stop $1*.service 2>/dev/null || :
rm -f /{etc,run,usr/lib}/systemd/system/$1*.service
rm -fr /{etc,run,usr/lib}/systemd/system/$1*.service.d
rm -fr /{etc,run,usr/lib}/systemd/system/$1*.service.{wants,requires}
fi
}
clear_services () {
for u in $*; do
_clear_service $u
done
systemctl daemon-reload
}
create_service () {
clear_services $1
cat >/etc/systemd/system/$1.service<<EOF
[Unit]
Description=$1 unit
[Service]
ExecStart=/bin/sleep 100000
EOF
mkdir -p /{etc,run,usr/lib}/systemd/system/$1.service.d
mkdir -p /etc/systemd/system/$1.service.{wants,requires}
mkdir -p /run/systemd/system/$1.service.{wants,requires}
mkdir -p /usr/lib/systemd/system/$1.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_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
[Unit]
After=test15-b.service
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_hierarchical_dropins
test_template_dropins
test_alias_dropins
test_masked_dropins
test_invalid_dropins
touch /testok