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Since no records are deleted from RB tree during step 1, there is no
need for the check. Run step 2 unconditionally.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
If a node fails to delete a record in TRY_DELETE_RECORDS control during
vacuuming, then it's possible that other nodes also may fail to delete a
record. So instead of deleting the record from RB tree on first failure,
keep track of the remote failures.
Update delete_list.remote_error and delete_list.left statistics only
once per record during the delete_record_traverse.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The 3-phase deletion of vacuumed records was introduced to overcome
the problem of record(s) resurrection during recovery. This problem
is now handled by avoiding the records from recently INACTIVE nodes in
the recovery process.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Ensure that deleted records and vacuumed records are not resurrected
from recently inactive nodes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids unnecessary work during recovery to pull records from nodes
that were INACTIVE just before the recovery.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
If a node becomes INACTIVE, then all the records in volatile databases
are invalidated. This avoids the need to include records from such
nodes during subsequent recovery after the node comes out INACTIVE state.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13641
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This allows the attempt to be cancelled if an election is lost and an
unlock is done before the attempt is completed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
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): Tue Sep 18 02:18:30 CEST 2018 on sn-devel-144
If the recovery lock is in the process of being taken then free the
cluster mutex handle but leave the recovery lock handle in place.
This allows ctdb_recovery_lock() to fail.
Note that this isn't yet live because rec->recovery_lock_handle is
still only set at the completion of the attempt to take the lock.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes upcoming changes simpler.
Update to modern debug macro while touching relevant line.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
... not just cluster mutex handle.
This makes the recovery lock handle long-lived and with allow the
releasing code to cancel an in-progress attempt to take the recovery
lock.
The cluster mutex handle is now allocated off the recovery lock
handle.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
At the moment this is still local and is freed after the mutex is
successfully taken.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If the master changed while trying to take the lock then fail gracefully.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If SIGTERM is received and the tevent signal handler setup in the
recovery daemon is still enabled then the signal is handled and a
corresponding event is queued. The child never runs an event loop so
the signal is effectively ignored.
Resetting the SIGTERM handler isn't enough. A signal can arrive
before that.
Block SIGTERM before forking and then immediately unblock it in the
parent.
In the child, unblock SIGTERM after the signal handler is reset. An
explicit unblock is needed because according to sigprocmask(2) "the
signal mask is preserved across execve(2)".
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If SIGTERM is received and the tevent signal handler setup in the
recovery daemon is still enabled then the signal is handled and a
corresponding event is queued. The child never runs an event loop so
the signal is effectively ignored.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13617
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13610
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Ralph Böhme <slow@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Sep 12 21:50:57 CEST 2018 on sn-devel-144
Split get_version() into 2 functions, so that .distversion file can be
created.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
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): Wed Sep 12 05:50:46 CEST 2018 on sn-devel-144
install_dir() doesn't work (doesn't respect $DESTDIR) and is only
available for backward compatibilty.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
gcc 4.8.5 complains:
[319/381] Compiling ctdb/tests/src/system_socket_test.c
../tests/src/system_socket_test.c: In function ‘test_tcp’:
../tests/src/system_socket_test.c:196:20: error: ‘rst_out’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
assert((rst != 0) == (rst_out != 0));
^
cc1: all warnings being treated as errors
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andreas Schneider <asn@samba.org>
CTDB -O3 --picky-developer build is failing. Not sure how this
slipped through.
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): Thu Sep 6 08:33:59 CEST 2018 on sn-devel-144
Using default context functions before waf initialization occured
is prone to error. Postpone calling samba_version.* code until we
got default context initialized.
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This function is used to run a extra command to check a result. This
command is usually a script (often a stub) or an external command, so
no need to trace it with valgrind or whatever else might be specified.
In the worst case the command being run is a shell function, which
valgrind won't be able to find.
There is little use running the event script tests under valgrind.
However, when the whole test suite is being run under valgrind then it
should work.
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): Mon Sep 3 14:04:00 CEST 2018 on sn-devel-144
The in-tree local daemons tests don't work from a top-level Samba
compile. The simple test suite was the first test suite and things
have generally worked, so it has been slow to adopt general test
infrastructure changes.
Instead of re-calculating script and helper locations, use the paths
from script_install_paths.sh. The bin/ directory is already added to
PATH in common.sh, so don't add it here.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB's test suite doesn't work from a top-level compile. The first
step to fixing this is to correctly locate the bin/ directory.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
At the moment multiple errors will be encountered one at a time, on
each load or validate. Instead, allow all configuration errors to
printed in a single pass.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Only use ENOENT for missing configuration file.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Only use ENOENT for missing configuration file.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This covers both options that appear before a section and options in
unknown sections.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The message is incorrect because the actual failure was loading the
config file. Instead of fixing the message, drop it because
ctdb_config_load() already logs the failure.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The IPv4 check for short packets was strange. It appeared to ensure
that the capture included everything up to and including the window
size. The checksum field immediately follows the window size field,
so just ensure that the packet is large enough to contain everything
up to the start of the checksum.
Add a similar check for IPv6 packets.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Captured packets include a link-layer header, which is considered in
the Linux code but not the PCAP code. Also, the actual captured
length is in caplen, not len.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The current code might be slightly more efficient but
intentionally (although temporarily) modifying a const argument just
seems wrong.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Most packet sizes and offsets are multiples of 32-bit words. The IPv6
payload length is in octets. The IPv6 version is the top 4 bits of
the relevant field.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Calculate each offset from the beginning of the buffer and explicitly
use the sizes of structures.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Ethernet packets must be at least 64 bytes.
For ARP the packet size was limited to 64 bytes. This is probably OK
but the code might as well be a little more general.
For IPv6 NA there was no guarantee that the packet is at least 64
bytes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There are numerous places in the code where errno can be lost causing
the wrong error to be printed by a caller. Change ctdb_sys_send_arp()
to always return a useful errno on error instead of returning -1 and
sometimes having errno set correctly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Finding the interface and the MAC address are obvious. Might as well
set up the common parts of the destination address structure.
Continue to open the socket and find the MAC address first. This
might seem odd because marshalling and other subsequent steps may
fail. However, in the future this code might be optimised to open a
single socket to send ARPs for a list of addresses on each interface,
so don't change the logic.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit fa94a49dbb accidentally dropped
some copyright attributions. The original version of system_socket.c
was based on system_linux.c but many parts have been taking from
system_freebsd.c, which had these additional copyright attributions.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Confirmation is now received from eventd that it is accepting
connections, so this is no longer needed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13592
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The current method of retrying the connection to eventd means that
messages get logged for each failure.
Instead, pass a pipe file descriptor to eventd and wait for it to
write 0 to the pipe to indicate that it is ready to accept client
connections.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13592
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The pipe will soon be needed earlier, so initialise it earlier.
Ensure the file descriptors are closed on error.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13592
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Other errors free argv, so do it here too.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13592
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The daemon writes 0 into the specified file descriptor when it is up
and listening. This can be used to avoid loops in clients that
attempt to connect until they succeed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13592
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This shows that config file loading continues in spite of unknown keys
if ignore_unknown is true.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Use the "failover:disabled" option instead.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Only a "disabled" option for now. Not documented because it isn't
used yet.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is about to become a config file option that can't be dynamically
changed at run-time, so drop this test for now. This test will be added
once the tunable becomes a config file option.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This make the new configuration style more consistent with the old one.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will become common, so will be useful to have support for.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Negative options can be confusing, so switch to a positive option.
This was supposed to be done months ago but was forgotten.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Values for ctdb.conf options are now returned by
get_ctdb_conf_option(). The main goal is to allow old boolean options
to be replaced by new logically negated options.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This should never have been a user-level option, but some people used
it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Since commit 9c51b278b1 the compiler has
been able to inline the affected call to uint16_checksum(). Given
that the data (phdr) is being accessed by an incompatible
pointer (data) there is an aliasing problem when the call is inlined.
This results in incorrect behaviour with -O2/-O3 when compiling with
at least GCC 6, 7, and 8.
Fix this by making the types compatible.
Also fixes CID 1437604 (Reliance on integer endianness). This is a
false positive because the uint16_checksum doesn't depend on the order
of the input uint16_t items.
https://bugzilla.samba.org/show_bug.cgi?id=13588
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The queue's input buffer is calculated in an iterative way.
This can result in a few back and forth jumping and
a few memory allocations and mem-free cycles.
This is very time consuming and not required, because the required
memory size can be calculated right away.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Aug 18 04:58:05 CEST 2018 on sn-devel-144
The calculation of the bytes to read from the socket can be done easier
by the usage of the common MIN() macro.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Jeremy Allison <jra@samba.org>
Kill the ctdb_mutex_ceph_rados_helper with SIGKILL and then confirm
that the lock is automatically released following expiry.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Thu Aug 9 16:26:36 CEST 2018 on sn-devel-144
RADOS locks without expiry persist indefinitely. This results in CTDB
deadlock during failover if the recovery master dies unexpectedly, as
subsequently elected recovery master nodes can't obtain the recovery
lock.
Avoid deadlock by using a lock expiration time (10s by default), and
renewing it periodically.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13540
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
In preparation for adding a lock refresh timer.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Set a handler for SIGINT to release the lock.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ceph-common linkage is needed with new versions of Ceph.
Also respect the --libcephfs_dir=<path> parameter when provided.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
After
commit e097b7f8ff
Author: David Disseldorp <ddiss@suse.de>
Date: Sun Jul 31 03:14:54 2011 +0200
io: Make queue_io_read() safe for reentry
the destructor has no purpose anymore, therfore, remove it.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Aug 6 11:37:32 CEST 2018 on sn-devel-144
Include an example ctdbd.conf-style file for testing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13550
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): Mon Jul 30 14:30:06 CEST 2018 on sn-devel-144
They no longer go over the socket to eventd to enable and disable
scripts. Use the event script abstraction to chmod them directly.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13551
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Provides for listing of scripts and chmod enable/disable.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13551
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13546
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): Sat Jul 28 07:26:24 CEST 2018 on sn-devel-144
On freebsd, there are trailing spaces in od output.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
On freebsd, sed does not accept multiple pattern strings.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
C library buffering API can behave in unexpected fashion if underlying
fd for stdin, stdout or stderr is closed and re-opened.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
getopt is being used with non-portable options. In most cases use
simpler, POSIX-compliant getopts instead.
In the case of the ctdb test stub command, options can appear after
other arguments, so this requires an additional nested loop.
In the case of smnotify, there are no short options, so handle the
long options manually.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
getopt is being used with non-portable options. Use simpler,
POSIX-compliant getopts instead.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
getopt is being used with non-portable options. Use simpler,
POSIX-compliant getopts instead.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
FreeBSD and others do not have /bin/bash, so use "/usr/bin/env bash"
for better flexibility.
There are still many integration tests that use /bin/bash but this at
least lets FreeBSD start running tests.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
FreeBSD and others do not have /bin/bash, so use "/usr/bin/env bash"
for better flexibility.
There are still many integration tests that use /bin/bash but this at
least lets FreeBSD start running tests.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When configured with --picky-developer and using -O3 with gcc 8.1:
../protocol/protocol_util.c: In function ‘ctdb_sock_addr_from_string’:
../protocol/protocol_util.c:282:2: error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
strncpy(s, str, len+1);
^~~~~~~~~~~~~~~~~~~~~~
../protocol/protocol_util.c:277:8: note: length computed here
len = strlen(str);
^~~~~~~~~~~
Use strlcpy() instead and check the result.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13545
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When configured with --picky-developer and using -O3 with gcc 8.1:
../common/system_socket.c: In function ‘parse_ip_mask’:
../common/system_socket.c:229:2: error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
strncpy(s, str, len+1);
^~~~~~~~~~~~~~~~~~~~~~
../common/system_socket.c:223:8: note: length computed here
len = strlen(str);
^~~~~~~~~~~
Use strlcpy() instead and check the result.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13545
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
As per previous commit, pstree can truncate output if it gets too
wide. Instead of matching against the script's full path and
arguments, just match against the script name.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13531
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): Wed Jul 18 14:53:39 CEST 2018 on sn-devel-144
pstree truncates output when it exceeds a maximum width - the default
is 132 columns. A couple of recent
commits (12fd8d7a5c,
b23f3f9960) lengthened the command
string in the output so that it is more likely to exceed this limit
and be truncated, as below:
==================================================
Running "cat /memdisk/autobuild/fl/b1851760/ctdb/ctdb/tests/var/eventd/debug_script.log"
--------------------------------------------------
Output (Exit status: 0):
--------------------------------------------------
02.enabled.scri,PID /memdisk/autobuild/fl/b1851760/ctdb/ctdb/tests/var/eventd/events/random/02.enabled.script ...
`-sleep,PID 99
01.disabled DISABLED
02.enabled TIMEDOUT DATETIME
OUTPUT: Sleeping for 99 seconds
--------------------------------------------------
Required output (Exit status: 0):
--------------------------------------------------
02.enabled.scri,PID /memdisk/autobuild/fl/b1851760/ctdb/ctdb/tests/var/eventd/events/random/02.enabled.script verbosetimeout
`-sleep,PID 99
01.disabled DISABLED
02.enabled TIMEDOUT DATETIME
OUTPUT: Sleeping for 99 seconds
FAILED
It isn't clear that the above example exceeds 132 characters, given
that the PID has been filtered into a fixed string, but it certainly
goes close. Whether or not it is truncated probably depends on the
width of the PID in the unfiltered output. This would explain why the
test flaps.
Avoid the output truncation by dropping the -a and -p options to
simplify the pstree output.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13531
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
gstack isn't widely available, so provide a simple function that does
the same thing if it gstack can't be found.
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): Wed Jul 11 14:47:21 CEST 2018 on sn-devel-144
CTDB needs the legacy/00.ctdb event script to be able to function
properly. If this script is not enabled then assume a first-time
install or an upgrade to a version that requires events scripts to be
enabled via symlinks. In these cases enable this script and other
commonly used scripts.
Remove links during uninstall (but not during upgrade).
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB needs the legacy/00.ctdb event script to be able to function
properly. If this script is not enabled then assume a first-time
install or an upgrade to a version that requires events scripts to be
enabled via symlinks. In these cases enable this script and other
commonly used scripts.
Only do this for a direct install. If DESTDIR is being used then
assume a package is being built and let the packager handle this case.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Factor out a little bit of common code. More coming.
Most of this is whitespace changes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Only open the client socket when it is needed. Note that this only
works for enabling/disabling event scripts via symlinks.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Supports the case when scripts are installed in the data directory and
are linked to when enabled.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is no longer needed because inactive/disabled nodes no longer
report any available public IP addresses.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This can be done now that NoIPHostOnAllDisabled is gone and will allow
the public IP address failover logic to be simplified.
In the test code, still filter available IP addresses by node state.
This code can't currently read information about available IP
addresses but that will change in future
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Defaulting to host public IP addresses when all nodes are unhealthy
does not obey the principle of least surprise. It has caused much
confusion over the years. It often leads to problems when all nodes
are unhealthy due to something like a cluster filesystem being
unmounted.
Change the default value for this tunable as the first step of
completely removing this behaviour.
Remove tests that set NoIPHostOnAllDisabled=1 and update the expected
result for other tests where no nodes are healthy.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Even the monitor event runs update_tickles(), which needs public IP
addresses and FAKE_CTDB_NUMNODES to be initialised. Currently this
works by default but soon we'll need FAKE_CTDB_NUMNODES in another
context.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This was discovered in an autobuild with a patched tevent that used the
"poll" backend by default. Test failure:
$ bin/sock_daemon_test /dev/shm/sock_daemon_test.pid /dev/shm/sock_daemon_test.sock 5
test5[28011]: daemon started, pid=28011
test5[28011]: listening on /dev/shm/sock_daemon_test.sock
sock_daemon_test: ../ctdb/tests/src/sock_daemon_test.c:980: test5: Assertion `ret == i+1' failed.
Abgebrochen (Speicherabzug geschrieben)
metze@SERNOX14:~/devel/samba/4.0/master4-test$ test5[28011]: PID 28010 gone away, exiting
test5[28011]: Shutting down
sock_daemon_test: ../ctdb/tests/src/sock_daemon_test.c:964: test5:
Assertion `ret == EINTR' failed.
After an epic debugging session we spotted the problem.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This is in addition to af69700853.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Jul 5 15:22:16 CEST 2018 on sn-devel-144
This fixes the build and now new eventd is integrated completely in CTDB.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This breaks the build. The new eventd protocol cannot be introduced without
removing the old eventd protocol.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
From this patch onwards, CTDB daemon is broken till the client code for
new eventd is integrated. This requires getting rid of the old eventd
protocol and client code and then switching to the new eventd protocol
and client code.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This will be used for testing other daemons' protocol code.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This includes marshalling code for basic data types. This will be used
by other daemons.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
CTDB_INTERACTIVE will be used to tell the other daemons if the ctdb daemon
is started in interactive mode. This is primarily used only for testing.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Setting DEBUGLEVEL before calling debug_init() causes segmentation
violation with gcc8. DEBUGLEVEL_CLASS is statically initialized to
debug_class_list_initial which is defined as const. Only after
debug_init() is called, DEBUGLEVEL_CLASS becomes a talloc'd array.
So before modifying DEBUGLEVEL, ensure debug_init() is called via
setup_logging(). (debug_init is a static function.)
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The comment immediately above this code says "don't allow local
clients to attach" and then looks up the client ID regardless of
whether the request is local or remote.
This means that an intentional remote attach from a client will not
work correctly. No real client should ever do that since clients
attach so they an access databases locally. Perhaps some sanity
checks should be added.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13500
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It is incorrectly says that nodes not in the VNN map can not be
DMASTER.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13499
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This broadcast is misnamed. Both places where this type of broadcast
is used expect the broadcast to go to all active nodes.
Make the corresponding change to the semantics in the daemon by
sending to all active nodes.
There is a mismatch between the ideas of VNN map and active nodes. A
node that is not in the VNN map but is active can still host database
records. These were the same until the LMASTER capability was
introduced and then the logic was not updated.
The only place where the VNN map is relevant is when finding the
location master of a record in the migration code.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13499
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This tests that volatile databases traverse correctly, including the
case where a record was updated on a non-lmaster node.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13499
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
