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TEST-60-MOUNT-RATEMINIT: split into small test cases
Then, use run_testcases().
(cherry picked from commit 805d0eed0b)
This commit is contained in:
Yu Watanabe
Luca Boccassi
parent
3b171cb7bc
commit
dcae004218
@ -3,6 +3,8 @@
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set -eux
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set -o pipefail
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# shellcheck source=test/units/test-control.sh
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. "$(dirname "$0")"/test-control.sh
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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@ -118,7 +120,9 @@ check_dependencies() {
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fi
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}
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test_dependencies() {
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testcase_dependencies() {
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# test for issue #19983 and #23552.
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if systemd-detect-virt --quiet --container; then
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echo "Skipping test_dependencies in container"
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return
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@ -152,7 +156,9 @@ EOF
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check_dependencies
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}
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test_issue_20329() {
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testcase_issue_20329() {
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# test that handling of mount start jobs is delayed when /proc/self/mouninfo monitor is rate limited
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local tmpdir unit
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tmpdir="$(mktemp -d)"
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unit=$(systemd-escape --suffix mount --path "$tmpdir")
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@ -202,7 +208,9 @@ EOF
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}
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}
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test_issue_23796() {
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testcase_issue_23796() {
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# test for reexecuting with background mount job
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local mount_path mount_mytmpfs since
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mount_path="$(command -v mount 2>/dev/null)"
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@ -244,77 +252,75 @@ EOF
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done
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}
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testcase_long_path() {
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local long_path long_mnt ts
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# make sure we can handle mounts at very long paths such that mount unit name must be hashed to fall within our unit name limit
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long_path="$(printf "/$(printf "x%0.s" {1..255})%0.s" {1..7})"
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long_mnt="$(systemd-escape --suffix=mount --path "$long_path")"
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journalctl --sync
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ts="$(date '+%H:%M:%S')"
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mkdir -p "$long_path"
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mount -t tmpfs tmpfs "$long_path"
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systemctl daemon-reload
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# check that unit is active(mounted)
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systemctl --no-pager show -p SubState --value "$long_path" | grep -q mounted
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# check that relevant part of journal doesn't contain any errors related to unit
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[ "$(journalctl -b --since="$ts" --priority=err | grep -c "$long_mnt")" = "0" ]
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# check that we can successfully stop the mount unit
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systemctl stop "$long_path"
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rm -rf "$long_path"
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}
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testcase_mount_ratelimit() {
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local num_dirs=20
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local ts i
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# mount/unmount enough times to trigger the /proc/self/mountinfo parsing rate limiting
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for ((i = 0; i < num_dirs; i++)); do
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mkdir "/tmp/meow${i}"
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done
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# The following loop may produce many journal entries.
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# Let's process all pending entries before testing.
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journalctl --sync
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ts="$(date '+%H:%M:%S')"
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for ((i = 0; i < num_dirs; i++)); do
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mount -t tmpfs tmpfs "/tmp/meow${i}"
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done
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systemctl daemon-reload
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systemctl list-units -t mount tmp-meow* | grep -q tmp-meow
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for ((i = 0; i < num_dirs; i++)); do
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umount "/tmp/meow${i}"
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done
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# Figure out if we have entered the rate limit state.
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# If the infra is slow we might not enter the rate limit state; in that case skip the exit check.
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set +o pipefail
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journalctl --sync
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if timeout 2m journalctl -u init.scope --since="$ts" -n all --follow | grep -m 1 -q -F '(mount-monitor-dispatch) entered rate limit'; then
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journalctl --sync
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timeout 2m journalctl -u init.scope --since="$ts" -n all --follow | grep -m 1 -q -F '(mount-monitor-dispatch) left rate limit'
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fi
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set -o pipefail
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# Verify that the mount units are always cleaned up at the end.
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# Give some time for units to settle so we don't race between exiting the rate limit state and cleaning up the units.
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timeout 2m bash -c 'while systemctl list-units -t mount tmp-meow* | grep -q tmp-meow; do systemctl daemon-reload; sleep 10; done'
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}
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systemd-analyze log-level debug
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systemd-analyze log-target journal
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NUM_DIRS=20
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# make sure we can handle mounts at very long paths such that mount unit name must be hashed to fall within our unit name limit
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LONGPATH="$(printf "/$(printf "x%0.s" {1..255})%0.s" {1..7})"
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LONGMNT="$(systemd-escape --suffix=mount --path "$LONGPATH")"
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journalctl --sync
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TS="$(date '+%H:%M:%S')"
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mkdir -p "$LONGPATH"
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mount -t tmpfs tmpfs "$LONGPATH"
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systemctl daemon-reload
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# check that unit is active(mounted)
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systemctl --no-pager show -p SubState --value "$LONGPATH" | grep -q mounted
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# check that relevant part of journal doesn't contain any errors related to unit
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[ "$(journalctl -b --since="$TS" --priority=err | grep -c "$LONGMNT")" = "0" ]
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# check that we can successfully stop the mount unit
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systemctl stop "$LONGPATH"
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rm -rf "$LONGPATH"
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# mount/unmount enough times to trigger the /proc/self/mountinfo parsing rate limiting
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for ((i = 0; i < NUM_DIRS; i++)); do
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mkdir "/tmp/meow${i}"
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done
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# The following loop may produce many journal entries.
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# Let's process all pending entries before testing.
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journalctl --sync
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TS="$(date '+%H:%M:%S')"
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for ((i = 0; i < NUM_DIRS; i++)); do
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mount -t tmpfs tmpfs "/tmp/meow${i}"
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done
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systemctl daemon-reload
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systemctl list-units -t mount tmp-meow* | grep -q tmp-meow
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for ((i = 0; i < NUM_DIRS; i++)); do
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umount "/tmp/meow${i}"
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done
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# Figure out if we have entered the rate limit state.
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# If the infra is slow we might not enter the rate limit state; in that case skip the exit check.
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set +o pipefail
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journalctl --sync
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if timeout 2m journalctl -u init.scope --since="$TS" -n all --follow | grep -m 1 -q -F '(mount-monitor-dispatch) entered rate limit'; then
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journalctl --sync
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timeout 2m journalctl -u init.scope --since="$TS" -n all --follow | grep -m 1 -q -F '(mount-monitor-dispatch) left rate limit'
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fi
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set -o pipefail
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# Verify that the mount units are always cleaned up at the end.
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# Give some time for units to settle so we don't race between exiting the rate limit state and cleaning up the units.
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timeout 2m bash -c 'while systemctl list-units -t mount tmp-meow* | grep -q tmp-meow; do systemctl daemon-reload; sleep 10; done'
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# test for issue #19983 and #23552.
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test_dependencies
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# test that handling of mount start jobs is delayed when /proc/self/mouninfo monitor is rate limited
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test_issue_20329
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# test for reexecuting with background mount job
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test_issue_23796
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systemd-analyze log-level info
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run_testcases
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touch /testok
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