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Make sure there is 'control' node before clvmd is started.
Somehow 'clvmd' is not allowed by selinux to create one.
TODO: Check is selinux policy is right here...
Add more time for tests, since debug kernels are getting slower...
and we add more and more tests.
However many test should be shortened to avoid testing disk-perfomance
and focus on lvm functionality...
(Often we should probably test with inactive volumes when we check
metadata operation of lvm2)
We may need to support option for 'DEEP' longer testing.
Also something like LVM_TEST_TIMEOUT_FACTOR might be useful
though it would be much better if test suite could approximete
from system perfomance test lenght...
Instead of rereading device list via cat - keep
the list in bash array. (Also solves problem
with spaces in device path)
Move usage of "$path" out of lvm shell usage,
since we don't support such thing there...
disable_dev can't use transaction - since it may lead occasionaly to
weird error - example could be nomda-missing.sh test case.
Here occasionaly device instead of being removed was left as
error device and testing different code path (which is unfortunatelly
buggy)
When we want to test 'error' device - 'aux error_dev()' should be used.
Delay udev notification after the point udev transaction
is finished - since otherwise some device may still
be found missing until udev transaction is finished.
It's not so easy to recongnize unusable /dev/kmsg
Reorder the code in a way if the first regular read of /dev/kmsg
fail, fallback to klogctl interface.
Call drain_dmesg also for the case there is no user log output.
Add a bit more complexity here - Switch to use /dev/kmsg
which has been introduced in 3.5 kernels and could run without
lossing lines from /proc/kmsg.
On older systems user may set env var LVM_TEST_CAN_CLOBBER_DMESG=1
to get kernel messages via klogctl() call (which deletes dmesg buffer)
otherwise no logging of kernel messages is provided.
Since there could be multiple readers of kmsg (test & journald) it needs
to be fast, to capture things like sysrq trace.
But to capture whole output it would need to prioritize reading of kmsg,
thus we would first log kernel messages and followed by command output.
As a trade-off always log command output first and use large drain
buffer so is captures most of messages, but occasionaly miss some
lines.
Basically reverts commit af8580d756.
"test: Use klogctl in the harness instead of reading /var/log/messages."
Problem is - this interface clears dmesg buffer
(just like call of dmesg -c)
Thus after running lvm2 test suitedmesg is empty - while all the
messages are usually logged in the journal/message, it's still not nice to
clear dmesg buffer.
It's not a pure revert, but switch to use /proc/kmsg directly instead of
reading /var/log/messages.
Test LVM_LVMETAD_PIDFILE for pid for lvm command.
Fix WHATS_NEW envvar name usage
Fix init order in prepare_lvmetad to respect set vars
and avoid clash with system settings.
Update test to really test the 'is running' message.
If we are stuck in user for too long without output,
grab kernel stack traces.
If we just produce too many lines of output, it's
not probably kernel related bug.
When the test is interrupted because debug.log has got to big,
and the test doesn't react on SIGINT - and needs to be only
killed with SIGKILL - it's still valuable to print at least
a portion of this debug.log (currently 4MB).
LVM_TEST_UNLIMITED could be set to avoid this limitation
(i.e. when busy-looping lvm command needs to be running
for gdb attachment)
Make it easier to run a live lvmetad in debugging mode and
to avoid conflicts if multiple test instances need to be run
alongside a live one.
No longer require -s when -f is used: use built-in default.
Add -p to lvmetad to specify the pid file.
No longer disable pidfile if -f used to run in foreground.
If specified socket file appears to be genuine but stale, remove it
before use.
On error, only remove lvmetad socket file if created by the same
process. (Previous code removes socket even while a running instance
is using it!)
Do not use signature wiping for newly created LVs in tests - we're
reusing the devs in tests and such detection could just interfere
inappropriately. We'd need to modify all tests to anwer the prompt
whether any signature found should be removed or not or we'd need
to use "-y" option for all lvcreates in tests. It's better to disable
this feature then and let's do a separate test to test this signature
wiping functionality.
3.12.0 kernel prevents raid test to be usable,
leaving unremovable devices in table.
This needs to be fixed ASAP, meanwhile disable test to make
test machines at least usable.
Add 'can_use_16T' to detect systems where we could
safely use 16T devices without causing system deadlocks.
16T size leads on those to endless loops in udevd
- it calls blkid which tries cached read from such device
- this ends in endless loop.
Related problems:
https://bugzilla.redhat.com/show_bug.cgi?id=1015028
Reverts previously added udevsettle call.
Seems to be unrelated, while udev on old system may take over 10
minutes, to finish it's very slow and CPU intensive work, it doesn't
interact directly with created device, only access /dev/mapper/control
node via dmsetup, so the device is ocasionaly blocked by something else.
Patch helps a bit when lvm2 is build with disabled udev_sync support,
but udevd runs in the system - so it randomly influences unrelated tests
even - so before every test wait at least till udevd is settled.
Reshape code a bit to make sockepair 'swappable' with plain old pipe
call.
Display status for FAILED error.
Increase buffer to hold always at least 1 page size.
Print error results with capitals.
A know issue with kmem_cach is causing failures while testing
RAID 4/5/6 device replacement. Blacklist the offending kernel
so that these tests are not performed there.
Rewrite check lv_on and add new lv_tree_on
Move more pvmove test unrelated code out to check & get sections
(so they do not obfuscate trace output unnecesserily)
Use new lv_tree_on()
NOTE: unsure how the snapshot origin should be accounted here.
Split pmove-all-segments into separate tests for raid and thins
(so the test output properly shows what has been skipped in test)
Update usage of "" around shell vars.
trim needs to trim both sides now.
trim also removes debug.log since it's only called when lvm command
has finished properly (so if something fails afterward, there
is no missleading debug trace in the log)
'die' evaluates given string - so \n could be used for
multiline error report
Also remove debug.log since the command finished properly when we
call 'die'
Note: we should not call 'die' after lvm command failure.
Add a very simple hack for embeding /var/log/messages into
the tests output - it's not ideal since it sometimes breaks lines,
but still gives valuable info.
Creation, deletion, [de]activation, repair, conversion, scrubbing
and changing operations are all now available for RAID LVs in a
cluster - provided that they are activated exclusively.
The code has been changed to ensure that no LV or sub-LV activation
is attempted cluster-wide. This includes the often overlooked
operations of activating metadata areas for the brief time it takes
to clear them. Additionally, some 'resume_lv' operations were
replaced with 'activate_lv_excl_local' when sub-LVs were promoted
to top-level LVs for removal, clearing or extraction. This was
necessary because it forces the appropriate renaming actions the
occur via resume in the single-machine case, but won't happen in
a cluster due to the necessity of acquiring a lock first.
The *raid* tests have been updated to allow testing in a cluster.
For the most part, this meant creating devices with '-aey' if they
were to be converted to RAID. (RAID requires the converting LV to
be EX because it is a condition of activation for the RAID LV in
a cluster.)
Function to create slower responsive device.
Useful for testing things which needs to happen something during on
going operation - with 'delayed' device - much smaller sizes of devices
are needed and its much more deterministic (though still not optimal)
