diff options
| l--------- | test/TEST-60-MOUNT-RATELIMIT/Makefile | 1 | ||||
| -rwxr-xr-x | test/TEST-60-MOUNT-RATELIMIT/test.sh | 7 | ||||
| -rw-r--r-- | test/units/testsuite-60.service | 6 | ||||
| -rwxr-xr-x | test/units/testsuite-60.sh | 73 |
4 files changed, 87 insertions, 0 deletions
diff --git a/test/TEST-60-MOUNT-RATELIMIT/Makefile b/test/TEST-60-MOUNT-RATELIMIT/Makefile new file mode 120000 index 0000000000..e9f93b1104 --- /dev/null +++ b/test/TEST-60-MOUNT-RATELIMIT/Makefile @@ -0,0 +1 @@ +../TEST-01-BASIC/Makefile
\ No newline at end of file diff --git a/test/TEST-60-MOUNT-RATELIMIT/test.sh b/test/TEST-60-MOUNT-RATELIMIT/test.sh new file mode 100755 index 0000000000..f9eb11ccb4 --- /dev/null +++ b/test/TEST-60-MOUNT-RATELIMIT/test.sh @@ -0,0 +1,7 @@ +#!/usr/bin/env bash +set -e +TEST_DESCRIPTION="Test that mount/unmount storms can enter/exit rate limit state and will not leak units" + +. $TEST_BASE_DIR/test-functions + +do_test "$@" diff --git a/test/units/testsuite-60.service b/test/units/testsuite-60.service new file mode 100644 index 0000000000..3715c4f341 --- /dev/null +++ b/test/units/testsuite-60.service @@ -0,0 +1,6 @@ +[Unit] +Description=TEST-60-MOUNT-RATELIMIT + +[Service] +Type=oneshot +ExecStart=/usr/lib/systemd/tests/testdata/units/%N.sh diff --git a/test/units/testsuite-60.sh b/test/units/testsuite-60.sh new file mode 100755 index 0000000000..8158754667 --- /dev/null +++ b/test/units/testsuite-60.sh @@ -0,0 +1,73 @@ +#!/usr/bin/env bash +set -eux +set -o pipefail + +systemd-analyze log-level debug +systemd-analyze log-target journal + +NUM_DIRS=20 + +# mount/unmount enough times to trigger the /proc/self/mountinfo parsing rate limiting + +for ((i = 0; i < NUM_DIRS; i++)); do + mkdir "/tmp/meow${i}" +done + +for ((i = 0; i < NUM_DIRS; i++)); do + mount -t tmpfs tmpfs "/tmp/meow${i}" +done + +systemctl daemon-reload +systemctl list-units -t mount tmp-meow* | grep -q tmp-meow + +for ((i = 0; i < NUM_DIRS; i++)); do + umount "/tmp/meow${i}" +done + +# figure out if we have entered the rate limit state + +exited_rl=0 +timeout="$(date -ud "2 minutes" +%s)" +while [[ $(date -u +%s) -le ${timeout} ]]; do + if journalctl -u init.scope | grep -q "(mount-monitor-dispatch) entered rate limit"; then + entered_rl=1 + break + fi + sleep 5 +done + +# if the infra is slow we might not enter the rate limit state; in that case skip the exit check + +if [ "${entered_rl}" = "1" ]; then + exited_rl=0 + timeout="$(date -ud "2 minutes" +%s)" + while [[ $(date -u +%s) -le ${timeout} ]]; do + if journalctl -u init.scope | grep -q "(mount-monitor-dispatch) left rate limit"; then + exited_rl=1 + break + fi + sleep 5 + done + + if [ "${exited_rl}" = "0" ]; then + exit 24 + fi +fi + +# give some time for units to settle so we don't race between exiting the rate limit state and cleaning up the units + +sleep 60 +systemctl daemon-reload +sleep 60 + +# verify that the mount units are always cleaned up at the end + +if systemctl list-units -t mount tmp-meow* | grep -q tmp-meow; then + exit 42 +fi + +systemd-analyze log-level info + +echo OK >/testok + +exit 0 |