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Ensure that it doesn't mangle the rt_tables file.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12516
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): Tue Jan 17 06:02:23 CET 2017 on sn-devel-144
(cherry picked from commit eaa508b82650197a7d473a24b3362e9e9c329937)
This changed to "ctdb gratarp" some time ago but the scripts were
never updated.
Fix the documentation for the ctdb tool too.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12512
Reported-by: Ralph Böhme <slow@samba.org>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
(cherry picked from commit 5e00a6b346325f52e35b9785eaffd72239aebcf5)
These features are going away. There is nothing to reconfigure for
NFS anyway.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If any processes remain then they may be stuck in D state and this
might tell us why.
Update tests: tweak pidof stub, add support for smbd stack traces and
add some new tests for the shutdown event.
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 Oct 10 12:54:24 CEST 2016 on sn-devel-144
On a busy system the backgrounded counter reset can survive into the
next test and interfere with its result.
To avoid this, wait until all forks of 01.reclock exit before
continuing on to the next test.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Aug 1 17:53:27 CEST 2016 on sn-devel-144
This makes the logic more obvious.
Fix the (probably) accidental fall-through to the regular monitor
failure.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Ensures that backups of corrupt TDB files are correctly limited in
number.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Tweak eventscript unit test infrastructure to support.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jun 1 04:30:36 CEST 2016 on sn-devel-144
Stub scripts are more obvious. rc.local should only be used when
strictly necessary.
iptables_wrapper doesn't need to be no-op-ed, provided flock is
installed.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ss with a filter is much faster than post-processing output from
netstat. CTDB already has a hard dependency on iproute2 for IP
address handling, so depending on ss is no big deal.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
For "master", if there is a master then print the PNN, otherwise print
nothing.
For "list", print the PNN and IP addresses without a colon in between.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To keep this commit comprehensible, 91.lvs and the CTDB CLI tool are
temporarily inconsistent. The tool will be made consistent in a
subsequent commit.
LVS now uses a configuration file specified by CTDB_LVS_NODES and
supports the same slave-only syntax as CTDB_NATGW_NODES. LVS also
uses new variable CTDB_LVS_PUBLIC_IFACE instead of
CTDB_PUBLIC_INTERFACE.
Update unit tests and documentation.
Note that the --lvs and --single-public-ip daemon options are no
longer used. These will be removed and relevant documentation
updated in a subsequent commit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ctdb_killtcp will take up to 5 seconds to kill connections, so don't
wait in a loop. Just check if there are remaining connections on
completion and log a message either way.
Also add a test stub.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Nothing checks it anymore.
This means that the NAT gateway capability in the daemon is now
unused.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To keep this commit comprehensible, 11.natgw and the CTDB CLI tool are
temporarily inconsistent. The tool will be made consistent in a
subsequent commit.
ctdb_natgw_slave_only() is reimplemented to check for the option in
the appropriate line in $CTDB_NATGW_NODES.
Update unit tests and documentation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Handle the "slave-only" option in the unit test setup. Reindent
function while touching it.
Also drop a test that no longer makes sense. Specifying both "master"
and "slave-only' is now much more obvious, since they need to be on
the same line, and is now punishable by undefined behaviour.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
exportfs can hang when, for example, DNS is flakey. Given that
exports don't change much, it makes sense to cache them.
Don't try to add error handling when exportfs fails but do print a
warning. Proper error handling can be added separately.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This variable points to /etc/ by default.
This distinguishes it from the different variable from wscript, which
points to /etc/ctdb/.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Clearly identifies where all state files from scripts should go and
allows that location to be easily changed. This patch should not
change any behaviour (outside of eventscript unit tests, where a
clearer location is now used).
CTDB_VARDIR should no longer be overridden. Continue to set
CTDB_DBDIR and similar to override database location in unit tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Always check filesystem usage for the database directories.
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): Sat Aug 29 20:08:48 CEST 2015 on sn-devel-104
CTDB should warn by default if too much system memory or swap is used.
The tests have also been tweaked. In particular, the filesystem-only
tests need to initialise the memory information to avoid errors where
meminfo isn't set.
Document the defaults, warning against disabling them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
They are only printed when the percentage usage changes. This should
stop the logs from being filled with warnings.
Add a test for the throttling.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Marking the node unhealthy should cause Samba processes to close,
possible freeing a stack of memory. If not, then it is somebody
else's problem.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
New variables CTDB_MONITOR_MEMORY_USAGE and CTDB_MONITOR_SWAP_USAGE.
Both take a pair of <warn_threshold>:<unhealthy_threshold> where each
theshold is specified as a percentage.
This adds a callout to check_thresholds() that is run when the
unhealthy threshold is reached.
Add some combination tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB_MONITOR_FREE_MEMORY and CTDB_MONITOR_FREE_MEMORY_WARN are now
percentages that specify thresholds of acceptable memory usage.
Memory/swap usage in tests also specified as percentages.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No need to use 2 different sources of information for similar checks.
Also, output of free has been changed, whereas /proc/meminfo is a
kernel API, which will not change.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
