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-rwxr-xr-xtest/units/TEST-38-FREEZER.sh (renamed from test/units/testsuite-38.sh)168
1 files changed, 115 insertions, 53 deletions
diff --git a/test/units/testsuite-38.sh b/test/units/TEST-38-FREEZER.sh
index 5fc87fc..0759784 100755
--- a/test/units/testsuite-38.sh
+++ b/test/units/TEST-38-FREEZER.sh
@@ -9,7 +9,7 @@ set -o pipefail
systemd-analyze log-level debug
-unit=testsuite-38-sleep.service
+unit=TEST-38-FREEZER-sleep.service
start_test_service() {
systemctl daemon-reload
@@ -94,7 +94,7 @@ check_freezer_state() {
# Ignore the intermediate freezing & thawing states in case we check
# the unit state too quickly
- [[ "$state" =~ ^(freezing|thawing)$ ]] || break
+ [[ "$state" =~ ^(freezing|thawing) ]] || break
sleep .5
done
@@ -105,7 +105,14 @@ check_freezer_state() {
}
check_cgroup_state() {
- grep -q "frozen $2" /sys/fs/cgroup/system.slice/"$1"/cgroup.events
+ # foo.unit -> /system.slice/foo.unit/
+ # foo.slice/ -> /foo.slice/./
+ # foo.slice/foo.unit -> /foo.slice/foo.unit/
+ local slice unit
+ unit="${1##*/}"
+ slice="${1%"$unit"}"
+ slice="${slice%/}"
+ grep -q "frozen $2" /sys/fs/cgroup/"${slice:-system.slice}"/"${unit:-.}"/cgroup.events
}
testcase_dbus_api() {
@@ -142,31 +149,6 @@ testcase_dbus_api() {
echo
}
-testcase_jobs() {
- local pid_before=
- local pid_after=
- echo "Test that it is possible to apply jobs on frozen units:"
-
- systemctl start "${unit}"
- dbus_freeze "${unit}"
- check_freezer_state "${unit}" "frozen"
-
- echo -n " - restart: "
- pid_before=$(systemctl show -p MainPID "${unit}" --value)
- systemctl restart "${unit}"
- pid_after=$(systemctl show -p MainPID "${unit}" --value)
- [ "$pid_before" != "$pid_after" ] && echo "[ OK ]"
-
- dbus_freeze "${unit}"
- check_freezer_state "${unit}" "frozen"
-
- echo -n " - stop: "
- timeout 5s systemctl stop "${unit}"
- echo "[ OK ]"
-
- echo
-}
-
testcase_systemctl() {
echo "Test that systemctl freeze/thaw verbs:"
@@ -224,22 +206,101 @@ testcase_recursive() {
echo "Test recursive freezing:"
- echo -n " - freeze: "
+ echo -n " - freeze/thaw parent: "
systemctl freeze "$slice"
- check_freezer_state "${slice}" "frozen"
- check_freezer_state "${unit}" "frozen"
- grep -q "frozen 1" /sys/fs/cgroup/"${slice}"/cgroup.events
- grep -q "frozen 1" /sys/fs/cgroup/"${slice}"/"${unit}"/cgroup.events
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen-by-parent"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$slice"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "running"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 0
echo "[ OK ]"
- echo -n " - thaw: "
+ echo -n " - child freeze/thaw during frozen parent: "
+ systemctl freeze "$slice"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen-by-parent"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl freeze "$unit"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$unit"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen-by-parent"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
systemctl thaw "$slice"
- check_freezer_state "${unit}" "running"
- check_freezer_state "${slice}" "running"
- grep -q "frozen 0" /sys/fs/cgroup/"${slice}"/cgroup.events
- grep -q "frozen 0" /sys/fs/cgroup/"${slice}"/"${unit}"/cgroup.events
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "running"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 0
echo "[ OK ]"
+ echo -n " - pre-frozen child not thawed by parent: "
+ systemctl freeze "$unit"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 1
+ systemctl freeze "$slice"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$slice"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 1
+ echo "[ OK ]"
+
+ echo -n " - pre-frozen child demoted and thawed by parent: "
+ systemctl freeze "$slice"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$unit"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen-by-parent"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$slice"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "running"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 0
+ echo "[ OK ]"
+
+ echo -n " - child promoted and not thawed by parent: "
+ systemctl freeze "$slice"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen-by-parent"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl freeze "$unit"
+ check_freezer_state "$slice" "frozen"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
+ systemctl thaw "$slice"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "frozen"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 1
+ echo "[ OK ]"
+
+ echo -n " - can't stop a frozen unit: "
+ (! systemctl -q stop "$unit" )
+ echo "[ OK ]"
+ systemctl thaw "$unit"
+
systemctl stop "$unit"
systemctl stop "$slice"
@@ -255,38 +316,39 @@ testcase_preserve_state() {
echo "Test that freezer state is preserved when recursive freezing is initiated from outside (e.g. by manager up the tree):"
echo -n " - freeze from outside: "
- echo 1 >/sys/fs/cgroup/"${slice}"/cgroup.freeze
+ echo 1 >/sys/fs/cgroup/"$slice"/cgroup.freeze
# Give kernel some time to freeze the slice
sleep 1
# Our state should not be affected
- check_freezer_state "${slice}" "running"
- check_freezer_state "${unit}" "running"
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "running"
# However actual kernel state should be frozen
- grep -q "frozen 1" /sys/fs/cgroup/"${slice}"/cgroup.events
- grep -q "frozen 1" /sys/fs/cgroup/"${slice}"/"${unit}"/cgroup.events
+ check_cgroup_state "$slice/" 1
+ check_cgroup_state "$slice/$unit" 1
echo "[ OK ]"
echo -n " - thaw from outside: "
- echo 0 >/sys/fs/cgroup/"${slice}"/cgroup.freeze
+ echo 0 >/sys/fs/cgroup/"$slice"/cgroup.freeze
sleep 1
- check_freezer_state "${unit}" "running"
- check_freezer_state "${slice}" "running"
- grep -q "frozen 0" /sys/fs/cgroup/"${slice}"/cgroup.events
- grep -q "frozen 0" /sys/fs/cgroup/"${slice}"/"${unit}"/cgroup.events
+ check_freezer_state "$unit" "running"
+ check_freezer_state "$slice" "running"
+ check_cgroup_state "$slice/" 0
+ check_cgroup_state "$slice/$unit" 0
echo "[ OK ]"
echo -n " - thaw from outside while inner service is frozen: "
systemctl freeze "$unit"
- check_freezer_state "${unit}" "frozen"
- echo 1 >/sys/fs/cgroup/"${slice}"/cgroup.freeze
- echo 0 >/sys/fs/cgroup/"${slice}"/cgroup.freeze
- check_freezer_state "${slice}" "running"
- check_freezer_state "${unit}" "frozen"
+ check_freezer_state "$unit" "frozen"
+ echo 1 >/sys/fs/cgroup/"$slice"/cgroup.freeze
+ echo 0 >/sys/fs/cgroup/"$slice"/cgroup.freeze
+ check_freezer_state "$slice" "running"
+ check_freezer_state "$unit" "frozen"
echo "[ OK ]"
+ systemctl thaw "$unit"
systemctl stop "$unit"
systemctl stop "$slice"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 05:06:51 +0000