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1aa0f38491
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.
475 lines
19 KiB
Bash
Executable File
475 lines
19 KiB
Bash
Executable File
#! /bin/bash
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set -e
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set -x
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_clear_service () {
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systemctl stop $1.service 2>/dev/null || :
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rm -f /{etc,run,usr/lib}/systemd/system/$1.service
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rm -fr /{etc,run,usr/lib}/systemd/system/$1.service.d
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rm -fr /{etc,run,usr/lib}/systemd/system/$1.service.{wants,requires}
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if [[ $1 == *@ ]]; then
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systemctl stop $1*.service 2>/dev/null || :
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rm -f /{etc,run,usr/lib}/systemd/system/$1*.service
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rm -fr /{etc,run,usr/lib}/systemd/system/$1*.service.d
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rm -fr /{etc,run,usr/lib}/systemd/system/$1*.service.{wants,requires}
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fi
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}
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clear_services () {
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for u in $*; do
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_clear_service $u
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done
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systemctl daemon-reload
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}
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create_service () {
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clear_services $1
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cat >/etc/systemd/system/$1.service<<EOF
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[Unit]
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Description=$1 unit
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[Service]
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ExecStart=/bin/sleep 100000
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EOF
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mkdir -p /{etc,run,usr/lib}/systemd/system/$1.service.d
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mkdir -p /etc/systemd/system/$1.service.{wants,requires}
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mkdir -p /run/systemd/system/$1.service.{wants,requires}
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mkdir -p /usr/lib/systemd/system/$1.service.{wants,requires}
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}
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create_services () {
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for u in $*; do
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create_service $u
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done
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}
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check_ok () {
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[ $# -eq 3 ] || return
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x="$(systemctl show --value -p $2 $1)"
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case "$x" in
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*$3*) return 0 ;;
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*) return 1 ;;
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esac
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}
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check_ko () {
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! check_ok "$@"
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}
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test_basic_dropins () {
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echo "Testing basic dropins..."
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echo "*** test a wants b wants c"
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create_services test15-a test15-b test15-c
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ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
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ln -s ../test15-c.service /etc/systemd/system/test15-b.service.wants/
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check_ok test15-a Wants test15-b.service
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check_ok test15-b Wants test15-c.service
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echo "*** test a wants,requires b"
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create_services test15-a test15-b test15-c
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ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
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ln -s ../test15-b.service /etc/systemd/system/test15-a.service.requires/
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check_ok test15-a Wants test15-b.service
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check_ok test15-a Requires test15-b.service
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echo "*** test a wants nonexistent"
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create_service test15-a
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ln -s ../nonexistent.service /etc/systemd/system/test15-a.service.wants/
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check_ok test15-a Wants nonexistent.service
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systemctl start test15-a
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systemctl stop test15-a
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echo "*** test a requires nonexistent"
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ln -sf ../nonexistent.service /etc/systemd/system/test15-a.service.requires/
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systemctl daemon-reload
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check_ok test15-a Requires nonexistent.service
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# 'b' is already loaded when 'c' pulls it in via a dropin.
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echo "*** test a,c require b"
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create_services test15-a test15-b test15-c
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ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
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ln -sf ../test15-b.service /etc/systemd/system/test15-c.service.requires/
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systemctl start test15-a
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check_ok test15-c Requires test15-b.service
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systemctl stop test15-a test15-b
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# 'b' is already loaded when 'c' pulls it in via an alias dropin.
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echo "*** test a wants alias"
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create_services test15-a test15-b test15-c
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ln -sf test15-c.service /etc/systemd/system/test15-c1.service
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ln -sf ../test15-c.service /etc/systemd/system/test15-a.service.wants/
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ln -sf ../test15-c1.service /etc/systemd/system/test15-b.service.wants/
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systemctl start test15-a
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check_ok test15-a Wants test15-c.service
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check_ok test15-b Wants test15-c.service
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systemctl stop test15-a test15-c
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echo "*** test service.d/ top level drop-in"
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create_services test15-a test15-b
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check_ko test15-a ExecCondition "/bin/echo a"
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check_ko test15-b ExecCondition "/bin/echo b"
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mkdir -p /usr/lib/systemd/system/service.d
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cat >/usr/lib/systemd/system/service.d/override.conf <<EOF
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[Service]
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ExecCondition=/bin/echo %n
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EOF
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systemctl daemon-reload
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check_ok test15-a ExecCondition "/bin/echo test15-a"
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check_ok test15-b ExecCondition "/bin/echo test15-b"
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rm -rf /usr/lib/systemd/system/service.d
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clear_services test15-a test15-b test15-c
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}
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test_hierarchical_dropins () {
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echo "Testing hierarchical dropins..."
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echo "*** test service.d/ top level drop-in"
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create_services a-b-c
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check_ko a-b-c ExecCondition "/bin/echo service.d"
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check_ko a-b-c ExecCondition "/bin/echo a-.service.d"
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check_ko a-b-c ExecCondition "/bin/echo a-b-.service.d"
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check_ko a-b-c ExecCondition "/bin/echo a-b-c.service.d"
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for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
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mkdir -p /usr/lib/systemd/system/$dropin
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echo "
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[Service]
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ExecCondition=/bin/echo $dropin
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" > /usr/lib/systemd/system/$dropin/override.conf
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systemctl daemon-reload
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check_ok a-b-c ExecCondition "/bin/echo $dropin"
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done
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for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
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rm -rf /usr/lib/systemd/system/$dropin
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done
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clear_services a-b-c
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}
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test_template_dropins () {
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echo "Testing template dropins..."
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create_services foo bar@ yup@
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# Declare some deps to check if the body was loaded
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cat >>/etc/systemd/system/bar@.service <<EOF
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[Unit]
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After=bar-template-after.device
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EOF
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cat >>/etc/systemd/system/yup@.service <<EOF
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[Unit]
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After=yup-template-after.device
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EOF
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ln -s /etc/systemd/system/bar@.service /etc/systemd/system/foo.service.wants/bar@1.service
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check_ok foo Wants bar@1.service
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echo "*** test bar-alias@.service→bar@.service, but instance symlinks point to yup@.service ***"
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ln -s bar@.service /etc/systemd/system/bar-alias@.service
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ln -s bar@1.service /etc/systemd/system/bar-alias@1.service
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ln -s yup@.service /etc/systemd/system/bar-alias@2.service
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ln -s yup@3.service /etc/systemd/system/bar-alias@3.service
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# create some dropin deps
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mkdir -p /etc/systemd/system/bar@{,0,1,2,3}.service.requires/
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mkdir -p /etc/systemd/system/yup@{,0,1,2,3}.service.requires/
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mkdir -p /etc/systemd/system/bar-alias@{,0,1,2,3}.service.requires/
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ln -s ../bar-template-requires.device /etc/systemd/system/bar@.service.requires/
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ln -s ../bar-0-requires.device /etc/systemd/system/bar@0.service.requires/
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ln -s ../bar-1-requires.device /etc/systemd/system/bar@1.service.requires/
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ln -s ../bar-2-requires.device /etc/systemd/system/bar@2.service.requires/
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ln -s ../bar-3-requires.device /etc/systemd/system/bar@3.service.requires/
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ln -s ../yup-template-requires.device /etc/systemd/system/yup@.service.requires/
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ln -s ../yup-0-requires.device /etc/systemd/system/yup@0.service.requires/
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ln -s ../yup-1-requires.device /etc/systemd/system/yup@1.service.requires/
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ln -s ../yup-2-requires.device /etc/systemd/system/yup@2.service.requires/
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ln -s ../yup-3-requires.device /etc/systemd/system/yup@3.service.requires/
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ln -s ../bar-alias-template-requires.device /etc/systemd/system/bar-alias@.service.requires/
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ln -s ../bar-alias-0-requires.device /etc/systemd/system/bar-alias@0.service.requires/
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ln -s ../bar-alias-1-requires.device /etc/systemd/system/bar-alias@1.service.requires/
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ln -s ../bar-alias-2-requires.device /etc/systemd/system/bar-alias@2.service.requires/
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ln -s ../bar-alias-3-requires.device /etc/systemd/system/bar-alias@3.service.requires/
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systemctl daemon-reload
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echo '*** bar@0 is aliased by bar-alias@0 ***'
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systemctl show -p Names,Requires bar@0
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systemctl show -p Names,Requires bar-alias@0
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check_ok bar@0 Names bar@0
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check_ok bar@0 Names bar-alias@0
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check_ok bar@0 After bar-template-after.device
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check_ok bar@0 Requires bar-0-requires.device
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check_ok bar@0 Requires bar-alias-0-requires.device
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check_ok bar@0 Requires bar-template-requires.device
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check_ok bar@0 Requires bar-alias-template-requires.device
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check_ko bar@0 Requires yup-template-requires.device
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check_ok bar-alias@0 After bar-template-after.device
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check_ok bar-alias@0 Requires bar-0-requires.device
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check_ok bar-alias@0 Requires bar-alias-0-requires.device
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check_ok bar-alias@0 Requires bar-template-requires.device
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check_ok bar-alias@0 Requires bar-alias-template-requires.device
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check_ko bar-alias@0 Requires yup-template-requires.device
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check_ko bar-alias@0 Requires yup-0-requires.device
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echo '*** bar@1 is aliased by bar-alias@1 ***'
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systemctl show -p Names,Requires bar@1
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systemctl show -p Names,Requires bar-alias@1
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check_ok bar@1 Names bar@1
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check_ok bar@1 Names bar-alias@1
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check_ok bar@1 After bar-template-after.device
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check_ok bar@1 Requires bar-1-requires.device
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check_ok bar@1 Requires bar-alias-1-requires.device
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check_ok bar@1 Requires bar-template-requires.device
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# See https://github.com/systemd/systemd/pull/13119#discussion_r308145418
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check_ok bar@1 Requires bar-alias-template-requires.device
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check_ko bar@1 Requires yup-template-requires.device
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check_ko bar@1 Requires yup-1-requires.device
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check_ok bar-alias@1 After bar-template-after.device
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check_ok bar-alias@1 Requires bar-1-requires.device
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check_ok bar-alias@1 Requires bar-alias-1-requires.device
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check_ok bar-alias@1 Requires bar-template-requires.device
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check_ok bar-alias@1 Requires bar-alias-template-requires.device
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check_ko bar-alias@1 Requires yup-template-requires.device
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check_ko bar-alias@1 Requires yup-1-requires.device
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echo '*** bar-alias@2 aliases yup@2, bar@2 is independent ***'
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systemctl show -p Names,Requires bar@2
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systemctl show -p Names,Requires bar-alias@2
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check_ok bar@2 Names bar@2
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check_ko bar@2 Names bar-alias@2
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check_ok bar@2 After bar-template-after.device
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check_ok bar@2 Requires bar-2-requires.device
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check_ko bar@2 Requires bar-alias-2-requires.device
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check_ok bar@2 Requires bar-template-requires.device
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check_ko bar@2 Requires bar-alias-template-requires.device
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check_ko bar@2 Requires yup-template-requires.device
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check_ko bar@2 Requires yup-2-requires.device
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check_ko bar-alias@2 After bar-template-after.device
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check_ko bar-alias@2 Requires bar-2-requires.device
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check_ok bar-alias@2 Requires bar-alias-2-requires.device
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check_ko bar-alias@2 Requires bar-template-requires.device
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check_ok bar-alias@2 Requires bar-alias-template-requires.device
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check_ok bar-alias@2 Requires yup-template-requires.device
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check_ok bar-alias@2 Requires yup-2-requires.device
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echo '*** bar-alias@3 aliases yup@3, bar@3 is independent ***'
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systemctl show -p Names,Requires bar@3
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systemctl show -p Names,Requires bar-alias@3
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check_ok bar@3 Names bar@3
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check_ko bar@3 Names bar-alias@3
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check_ok bar@3 After bar-template-after.device
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check_ok bar@3 Requires bar-3-requires.device
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check_ko bar@3 Requires bar-alias-3-requires.device
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check_ok bar@3 Requires bar-template-requires.device
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check_ko bar@3 Requires bar-alias-template-requires.device
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check_ko bar@3 Requires yup-template-requires.device
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check_ko bar@3 Requires yup-3-requires.device
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check_ko bar-alias@3 After bar-template-after.device
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check_ko bar-alias@3 Requires bar-3-requires.device
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check_ok bar-alias@3 Requires bar-alias-3-requires.device
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check_ko bar-alias@3 Requires bar-template-requires.device
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check_ok bar-alias@3 Requires bar-alias-template-requires.device
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check_ok bar-alias@3 Requires yup-template-requires.device
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check_ok bar-alias@3 Requires yup-3-requires.device
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clear_services foo {bar,yup,bar-alias}@{,1,2,3}
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}
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test_alias_dropins () {
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echo "Testing alias dropins..."
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echo "*** test a wants b1 alias of b"
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create_services test15-a test15-b
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ln -sf test15-b.service /etc/systemd/system/test15-b1.service
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ln -sf ../test15-b1.service /etc/systemd/system/test15-a.service.wants/
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check_ok test15-a Wants test15-b.service
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systemctl start test15-a
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systemctl --quiet is-active test15-b
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systemctl stop test15-a test15-b
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rm /etc/systemd/system/test15-b1.service
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clear_services test15-a test15-b
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# Check that dependencies don't vary.
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echo "*** test 2"
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create_services test15-a test15-x test15-y
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mkdir -p /etc/systemd/system/test15-a1.service.wants/
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ln -sf test15-a.service /etc/systemd/system/test15-a1.service
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ln -sf ../test15-x.service /etc/systemd/system/test15-a.service.wants/
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ln -sf ../test15-y.service /etc/systemd/system/test15-a1.service.wants/
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check_ok test15-a1 Wants test15-x.service # see [1]
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check_ok test15-a1 Wants test15-y.service
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systemctl start test15-a
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check_ok test15-a1 Wants test15-x.service # see [2]
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check_ok test15-a1 Wants test15-y.service
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systemctl stop test15-a test15-x test15-y
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rm /etc/systemd/system/test15-a1.service
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clear_services test15-a test15-x test15-y
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}
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test_masked_dropins () {
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echo "Testing masked dropins..."
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create_services test15-a test15-b
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# 'b' is masked for both deps
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echo "*** test a wants,requires b is masked"
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ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
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ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b.service
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check_ko test15-a Wants test15-b.service
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check_ko test15-a Requires test15-b.service
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# 'a' wants 'b' and 'b' is masked at a lower level
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echo "*** test a wants b, mask override"
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ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.wants/test15-b.service
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ln -sf /dev/null /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
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check_ok test15-a Wants test15-b.service
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# 'a' wants 'b' and 'b' is masked at a higher level
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echo "*** test a wants b, mask"
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ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
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ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
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check_ko test15-a Wants test15-b.service
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# 'a' is masked but has an override config file
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echo "*** test a is masked but has an override"
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create_services test15-a test15-b
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ln -sf /dev/null /etc/systemd/system/test15-a.service
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cat >/usr/lib/systemd/system/test15-a.service.d/override.conf <<EOF
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[Unit]
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After=test15-b.service
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EOF
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check_ok test15-a UnitFileState masked
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# 'b1' is an alias for 'b': masking 'b' dep should not influence 'b1' dep
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echo "*** test a wants b, b1, and one is masked"
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create_services test15-a test15-b
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ln -sf test15-b.service /etc/systemd/system/test15-b1.service
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ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
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ln -sf ../test15-b1.service /usr/lib/systemd/system/test15-a.service.wants/test15-b1.service
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systemctl cat test15-a
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systemctl show -p Wants,Requires test15-a
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systemctl cat test15-b1
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systemctl show -p Wants,Requires test15-b1
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check_ok test15-a Wants test15-b.service
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check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
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rm /etc/systemd/system/test15-b1.service
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# 'b1' is an alias for 'b': masking 'b1' should not influence 'b' dep
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echo "*** test a wants b, alias dep is masked"
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create_services test15-a test15-b
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ln -sf test15-b.service /etc/systemd/system/test15-b1.service
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ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b1.service
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ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
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check_ok test15-a Wants test15-b.service
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check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
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rm /etc/systemd/system/test15-b1.service
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# 'a' has Wants=b.service but also has a masking
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# dropin 'b': 'b' should still be pulled in.
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echo "*** test a wants b both ways"
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create_services test15-a test15-b
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ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
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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
|