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This can be used to find ctdb_run_tests and ctdb_local_daemons.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Given other improvements, this is now needlessly complex.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2045 Iterating over ls output is fragile. Use globs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2034 summary appears unused. Verify use (or export if used externally)
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2155 Declare and assign separately to avoid masking return values
The wscript changes require an identical change in local_daemons.sh.
While touching the lines in wscript, escape the backslashes to make
them literal backslashes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2164 Use 'cd ... || exit' or 'cd ... || return' in case cd fails
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2086 Double quote to prevent globbing and word splitting
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit 90de5e0594b9180226b9a13293afe31f18576b3d remove the processing
for this option but forgot to remove it from the getopts command.
Versions of ShellCheck >= 0.4.7 warn on this, so it is worth fixing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14086
RN: Fix onnode test failure with ShellCheck >= 0.4.7
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
On older systems like SLES 11 without POSIX robust mutexes, but with glib robust
mutexes where all the functions are available but have a "_np" suffix,
compilation fails in:
ctdb/tests/src/test_mutex_raw.c.239.o: In function `worker':
/root/samba-4.10.6/bin/default/../../ctdb/tests/src/test_mutex_raw.c:129: undefined reference to `pthread_mutex_consistent'
ctdb/tests/src/test_mutex_raw.c.239.o: In function `main':
/root/samba-4.10.6/bin/default/../../ctdb/tests/src/test_mutex_raw.c:285: undefined reference to `pthread_mutex_consistent'
/root/samba-4.10.6/bin/default/../../ctdb/tests/src/test_mutex_raw.c:332: undefined reference to `pthread_mutexattr_setrobust'
/root/samba-4.10.6/bin/default/../../ctdb/tests/src/test_mutex_raw.c:363: undefined reference to `pthread_mutex_consistent'
collect2: ld returned 1 exit status
This could be fixed by using libreplace system/threads.h instead of pthreads.h
directly, but as there has been a desire to keep test_mutex_raw.c standalone and
compilable without other external depenencies then libc and libpthread, make the
tool developer build only. This should get the average user over the cliff.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14038
RN: Fix compiling ctdb on older systems lacking POSIX robust mutexes
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The "init" event is only run once so don't bother caching the
configured value of the recovery lock. Add some extra error checking.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Jul 26 04:52:04 UTC 2019 on sn-devel-184
These tests currently do not do what is expected. They test the
default case.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If the lock file is inaccessible or the inode number changes then the
lock is lost, so exit. This allows the recovery daemon to trigger an
election. The ensuing recovery will re-take the lock.
By default the lock file is checked every 60 seconds. A lot can
happen in 60 seconds but being more aggressive and accessing the lock
too often could result in a performance issue for the cluster
filesystem.
An new optional 2nd argument is added, which is the lock file re-check
time in seconds.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will allow more conditions to be waited on via additional
sub-requests. At the moment this just completes when the parent wait
completes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Put the checking for the process being immediately re-parented into
the computation too. This will be very rare and doing it
consistently makes testing saner.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There is no need to wait until the parent kills the helper. The
parent will get the initial response, indicating contention or
similar, and will then get a separate event indicating that the pipe
is gone.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes the code more explicit and makes testing easier due to less
dependencies.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
clang warns:
ctdb/server/ctdb_mutex_fcntl_helper.c:61:3: warning: Value stored to 'fd' is never read
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
One of these had a missing space, so this implicitly fixes it. It
also drops the need to unnecessarily include common.h, which comes
with some dependency baggage.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Only do this if the recovery lock is unset. Log every minute for the
first 10 minutes, then every 10 minutes, then every hour.
This is useful for determining whether a split brain occurred. It is
particularly useful if logging failed or was throttled at startup, so
there is no evidence of the split brain when it began.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
In tini, allow_empty_value=false causes the parser to ignore the lines
without '=' sign, but lines with nothing after '=' sign are allowed and
cause empty string ("") to be passed as a value.
This is counter-intuitive, so conf requires special handling for empty
values (which are treated as invalid).
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Regression introduced by commit
2558f96da1f9be8034f26736c8050bb38a1f82a8. count should be signed
because list_of_connected_nodes() returns -1 on failure. Variable i
is used in both signed and unsigned contexts, so add new signed
variable j for use in signed context.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14017
CTDB should start as a disabled unit (systemd) in most of the
distributions and, when trying to enable it for the first time, user
should get an unconfigured, or similar, error.
Depending on /etc/ctdb/nodes file will give a clear direction to final
user on what is needed in order to get cluster up and running. It should
work like previous ENABLED=NO variables in SySV like initialization
scripts.
Signed-off-by: Rafael David Tinoco <rafaeldtinoco@ubuntu.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes it consistent with print-socket.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Fri Jul 5 06:19:11 UTC 2019 on sn-devel-184
csbuild doesn't like the hack where variable buf is initialised to
itself to avoid an unused variable warning. buf is unused so remove
it instead.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This can never be NULL. It could probably be NULL in the past when
"all database" locks existed.
There are paths where is is checked for NULL and then later
dereferenced, causing static analysers to produce spurious warnings.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids static analysers continuing analysis after calls to these
functions and producing incorrect warnings.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Otherwise ret == 0 is returned from successful call to
ctdb_int32_pull().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
According to the documentation, sendto() should either send the packet
as given or return with an error. However, given that it can return
the number of bytes sent, treat the theoretical error of a short
packet send separately, since errno would not be set in this case.
Similarly, treat a short packet recv() separately from an error where
errno is set.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids an unnecessary signed/unsigned comparison issue.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
