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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>
The "natgwlist" command is no longer marked "auto all" and is also
marked "without daemon". That latter is not strictly true because
ctdb_natgw needs the daemon so a subsequent invocation of "ctdb
nodestatus" will work. However, "without daemon" is used here because
the top-level "ctdb natgwlist" does not need to open a connection to
the daemon. It just needs to invoke ctdb_natgw.
Update tests to suit.
It would make sense to make "ctdb natgw" generally call out to
ctdb_natgw, passing all argument. However, that can be done later.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These tests deal only with timeouts that can occur retrieving
capabilities. The NAT gateway capability is going away so drop the
tests now to simplify future commits.
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>
Some features, such NAT gateway and LVS support, can be implemented
without daemon and (internal) ctdb CLI tool support. These are
non-core features that don't need incredible performance and they
don't need to be in the core code. They can easily be reimplemented
in scripts, along with some configuration changes.
For continuity, the ctdb CLI tool code will call out to helper scripts
so that the current status information can still be provided. Those
helper scripts may then reinvoke the ctdb CLI tool to gather
information.
So, redo the tool testing using a "ctdb" stub command. This will
swallow standard input and feed it to the test program each time the
"ctdb" stub is called.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is intended to replace the use of "ctdb natgwlist" in 11.natgw
and provide different views of the NAT gateway status.
It replaces the use of CTDB_NATGW_SLAVE_ONLY=yes with a "slave-only"
keyword in the NAT gateway nodes file. This means the nodes file must
be consistent on all nodes in a NAT gateway group.
Note that this script is not yet integrated, so there are no behaviour
or documentation changes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This has always been the case. Now it is documented and enforced.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Now its name describes its usage and the code reads better.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Each is now used in only one place and the logic is more obvious
without them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
... instead of talloc_zero(). This sets the db_id correctly.
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): Wed Jan 20 07:28:42 CET 2016 on sn-devel-144
The reqid will be deleted when the client control state is freed.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This allows the client code to optionally clean up and/or re-connect to
CTDB daemon when it the daemon goes away. If no disconnect callback is
registered and CTDB daemon goes away, then the client will terminate.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reduces intentation by using early returns.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Jan 14 22:41:29 CET 2016 on sn-devel-144
These allocate enough memory but things get confusing if they're used
as a guide when updating the code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Tue Jan 12 22:19:16 CET 2016 on sn-devel-144
Consider this sequence of events:
1. Instance of script running update_tickles() hangs
2. Script debugging is launched asynchronously
3. New instance of script is launched, creates temporary file(s)
4. Original hung script makes progress before asynchronous script
debugging kills it, so it removes temporary file(s)
5. New instance of script produces error due to missing files(s)
This is obviously rare.
Use more unique filenames to avoid step (4) removing the file(s)
belonging to other instances of the script.
This requires some extra cleanup to avoid too many temporary files
(which is why unique filenames were not originally usd). It is
sufficient to remove files modified at least 10 minutes ago.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Whitespace and indentation improvements.
Remove comments describing events, since the README covers that much
better.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
The current code uses so many shell idioms that it is difficult to
follow.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Commit cfa0ffe780 introduced a memory
leak. Never assume...
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
The first element of these structures is a 32-bit PNN. On 64-bit
systems this field can be followed by 32-bits of padding. When the
structures are copied this can cause uninitialised memory to be
copied.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Thousands of these can be generated each second, rendering INFO level
debugging useless.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
assinged -> assigned
Signed-off-by: Karolin Seeger <kseeger@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Jan 11 21:40:36 CET 2016 on sn-devel-144
This is used by the recovery daemon to validate the current recovery
master. Don't risk being unable to elect a new master if the current
master is inactive but unresponsive.
Note that this client call is currently not used by any other callers.
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): Sun Dec 13 03:17:10 CET 2015 on sn-devel-104
Add a new option -l to check whether POSIX byte range locks are
working. Usage:
node1$ touch /path/to/cluster-fs/FILE
node1$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Holding lock, press any key to continue...
You should run the same command on another node now.
node2$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Output can either be:
Holding lock, press any key to continue...
This means POSIX byte range locks are *not* working.
If you see this instead:
file already locked, calling check_lock to tell us who has it locked...:
check_lock failed: lock held: pid='27375', type='1', start='0', len='0'
Working POSIX byte range locks
Congrats, you have a cluster fs with functional byte range locks!
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Dec 10 08:48:38 CET 2015 on sn-devel-104
Shorter temporary variables for compactness/readability. "tmp_ip" is
5 characters longer than "t". In each for statement it is used 4
times, so costs 20 characters. Save those extra characters so that
future edits will avoid going over 80 columns.
Tweak whitespace for readability, rewrap some code.
No functional changes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
