diff options
Diffstat (limited to 'test/TEST-15-DROPIN/test-dropin.sh')
| -rwxr-xr-x | test/TEST-15-DROPIN/test-dropin.sh | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/test/TEST-15-DROPIN/test-dropin.sh b/test/TEST-15-DROPIN/test-dropin.sh new file mode 100755 index 0000000..ab0a58c --- /dev/null +++ b/test/TEST-15-DROPIN/test-dropin.sh @@ -0,0 +1,284 @@ +#! /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} +} + +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 a b c + ln -s ../b.service /etc/systemd/system/a.service.wants/ + ln -s ../c.service /etc/systemd/system/b.service.wants/ + check_ok a Wants b.service + check_ok b Wants c.service + + echo "*** test a wants,requires b" + create_services a b c + ln -s ../b.service /etc/systemd/system/a.service.wants/ + ln -s ../b.service /etc/systemd/system/a.service.requires/ + check_ok a Wants b.service + check_ok a Requires b.service + + echo "*** test a wants nonexistent" + create_service a + ln -s ../nonexistent.service /etc/systemd/system/a.service.wants/ + check_ok a Wants nonexistent.service + systemctl start a + systemctl stop a + + echo "*** test a requires nonexistent" + ln -sf ../nonexistent.service /etc/systemd/system/a.service.requires/ + systemctl daemon-reload + check_ok a Requires nonexistent.service + + # 'b' is already loaded when 'c' pulls it in via a dropin. + echo "*** test a,c require b" + create_services a b c + ln -sf ../b.service /etc/systemd/system/a.service.requires/ + ln -sf ../b.service /etc/systemd/system/c.service.requires/ + systemctl start a + check_ok c Requires b.service + systemctl stop a b + + # 'b' is already loaded when 'c' pulls it in via an alias dropin. + echo "*** test a wants alias" + create_services a b c + ln -sf c.service /etc/systemd/system/c1.service + ln -sf ../c.service /etc/systemd/system/a.service.wants/ + ln -sf ../c1.service /etc/systemd/system/b.service.wants/ + systemctl start a + check_ok a Wants c.service + check_ok b Wants c.service + systemctl stop a c + + clear_services a b c +} + +test_template_dropins () { + echo "Testing template dropins..." + + create_services foo bar@ yup@ + + ln -s /etc/systemd/system/bar@.service /etc/systemd/system/foo.service.wants/bar@1.service + check_ok foo Wants bar@1.service + + clear_services foo bar@ yup@ +} + +test_alias_dropins () { + echo "Testing alias dropins..." + + echo "*** test a wants b1 alias of b" + create_services a b + ln -sf b.service /etc/systemd/system/b1.service + ln -sf ../b1.service /etc/systemd/system/a.service.wants/ + check_ok a Wants b.service + systemctl start a + systemctl --quiet is-active b + systemctl stop a b + rm /etc/systemd/system/b1.service + clear_services a b + + # A weird behavior: the dependencies for 'a' may vary. It can be + # changed by loading an alias... + # + # [1] 'a1' is loaded and then "renamed" into 'a'. 'a1' is therefore + # part of the names set so all its specific dropins are loaded. + # + # [2] 'a' is already loaded. 'a1' is simply only merged into 'a' so + # none of its dropins are loaded ('y' is missing from the deps). + echo "*** test 2" + create_services a x y + mkdir -p /etc/systemd/system/a1.service.wants/ + ln -sf a.service /etc/systemd/system/a1.service + ln -sf ../x.service /etc/systemd/system/a.service.wants/ + ln -sf ../y.service /etc/systemd/system/a1.service.wants/ + check_ok a1 Wants x.service # see [1] + check_ok a1 Wants y.service + systemctl start a + check_ok a1 Wants x.service # see [2] + check_ko a1 Wants y.service + systemctl stop a x y + rm /etc/systemd/system/a1.service + + clear_services a x y +} + +test_masked_dropins () { + echo "Testing masked dropins..." + + create_services a b + + # 'b' is masked for both deps + echo "*** test a wants,requires b is masked" + ln -sf /dev/null /etc/systemd/system/a.service.wants/b.service + ln -sf /dev/null /etc/systemd/system/a.service.requires/b.service + check_ko a Wants b.service + check_ko a Requires b.service + + # 'a' wants 'b' and 'b' is masked at a lower level + echo "*** test a wants b, mask override" + ln -sf ../b.service /etc/systemd/system/a.service.wants/b.service + ln -sf /dev/null /usr/lib/systemd/system/a.service.wants/b.service + check_ok a Wants 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/a.service.wants/b.service + ln -sf ../b.service /usr/lib/systemd/system/a.service.wants/b.service + check_ko a Wants b.service + + # 'a' is masked but has an override config file + echo "*** test a is masked but has an override" + create_services a b + ln -sf /dev/null /etc/systemd/system/a.service + cat >/usr/lib/systemd/system/a.service.d/override.conf <<EOF +[Unit] +After=b.service +EOF + check_ok 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 a b + ln -sf b.service /etc/systemd/system/b1.service + ln -sf /dev/null /etc/systemd/system/a.service.wants/b.service + ln -sf ../b1.service /usr/lib/systemd/system/a.service.wants/b1.service + systemctl cat a + systemctl show -p Wants,Requires a + systemctl cat b1 + systemctl show -p Wants,Requires b1 + check_ok a Wants b.service + check_ko a Wants b1.service # the alias does not show up in the list of units + rm /etc/systemd/system/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 a b + ln -sf b.service /etc/systemd/system/b1.service + ln -sf /dev/null /etc/systemd/system/a.service.wants/b1.service + ln -sf ../b.service /usr/lib/systemd/system/a.service.wants/b.service + check_ok a Wants b.service + check_ko a Wants b1.service # the alias does not show up in the list of units + rm /etc/systemd/system/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 a b + ln -sf /dev/null /etc/systemd/system/a.service.wants/b.service + cat >/usr/lib/systemd/system/a.service.d/wants-b.conf<<EOF +[Unit] +Wants=b.service +EOF + check_ok a Wants b.service + + # mask a dropin that points to an nonexistent unit. + echo "*** test a wants nonexistent is masked" + create_services a + ln -sf /dev/null /etc/systemd/system/a.service.requires/nonexistent.service + ln -sf ../nonexistent.service /usr/lib/systemd/system/a.service.requires/ + check_ko 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 a b c + ln -sf ../b.service /etc/systemd/system/a.service.requires/ + ln -sf ../b.service /run/systemd/system/c.service.requires/ + ln -sf /dev/null /etc/systemd/system/c.service.requires/b.service + systemctl start a + check_ko c Requires b.service + systemctl stop a 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 a b c + ln -sf ../b.service /etc/systemd/system/a.service.requires/ + ln -sf ../b.service /etc/systemd/system/c.service.requires/ + ln -sf /dev/null /run/systemd/system/c.service.requires/b.service + systemctl start a + check_ok c Requires b.service + systemctl stop a 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 a b + ln -sf b.service /etc/systemd/system/b1.service + ln -sf b.service /etc/systemd/system/b2.service + ln -sf /dev/null /etc/systemd/system/a.service.requires/b1.service + ln -sf ../b1.service /run/systemd/system/a.service.requires/ + ln -sf ../b2.service /usr/lib/systemd/system/a.service.requires/ + check_ok a Requires b + + # Same as above but now 'b' is masked. + echo "*** test a requires alias of b, b dep masked" + create_services a b + ln -sf b.service /etc/systemd/system/b1.service + ln -sf b.service /etc/systemd/system/b2.service + ln -sf ../b1.service /run/systemd/system/a.service.requires/ + ln -sf ../b2.service /usr/lib/systemd/system/a.service.requires/ + ln -sf /dev/null /etc/systemd/system/a.service.requires/b.service + check_ok a Requires b + + clear_services a b +} + +test_basic_dropins +test_template_dropins +test_alias_dropins +test_masked_dropins + +touch /testok |