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Signed-off-by: Richard Sharpe <realrichardsharpe@gmail.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jun 7 09:22:29 CEST 2017 on sn-devel-144
This variable is used for adding a prefix to log entries from various
child processes.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
This groups function prototypes for common client/server functions in
common/common.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of includes.h, include the required header files explicitly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This groups function prototypes for system specific functions in
common/system.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Remove --logfile and --syslog daemon options and replace with
--logging.
Modularise and clean up logging initialisation code. The
initialisation API includes an app_name argument that is currently
unused - this will be used in extensions to the syslog backend.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes the code cleaner and allows the syslog backend to be easily
modified without affecting other code. Also do some extra clean-up,
including whitespace fixups.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is set but otherwise not used. This allows the 1st argument to
ctdb_set_logfile() to be generalised to a TALLOC_CTX.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is only used by logging code and there is already a file-level
variable for this. struct ctdb_context already contains too many
things.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Now it is obvious that it has something to do with child processes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Internally map them to DEBUG_ERR to limit code churn.
This reduces the unwieldy number of debug levels used by CTDB. ALERT
and CRIT aren't of much use as separate errors, since everything from
ERR up should always be logged. In future just ERR can be used.
This also improves compatibility with Samba's debug.c system priority
mapping.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It isn't used and shouldn't be. CTDB can't make the system unusable.
Update associated test to ensure that EMERG isn't attempted. Actually
test all remaining debug levels and modernise the test a bit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This got lost with the transition to the new Samba debug code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Samba's debug subsystem has changed a lot, so CTDB's logging needs
to be rewritten to be compatible.
The new debug.h/debug.c can't just be pulled in because it has some
extra dependencies into Samba's lib/util. For now, to support the
smallest possible patch, implement a minimal subset of Samba's
debug.[ch] that just supports the DEBUG_CALLBACK logtype.
Define a callback for each logging method.
Check later to see if debug_extra (or similar) can somehow be
implemented using debug classes.
The timestamp on CTDB CLI tool and test program DEBUG() output goes
away, so update the unit test code to cope.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
As far as we know, nobody uses this and it just complicates the
logging subsystem.
Remove all ringbuffer code and documentation. Update the local
daemons startup code correspondingly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
This function has been replaced with ctdb_vfork_with_logging().
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 Jan 16 04:05:35 CET 2014 on sn-devel-104
This will be used to spawn lightweight helper processes to run
eventscripts.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This helps distinguish processes in process list in top, perf, etc.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 2493f57ce268d6fe7e4c40a87852c347fd60d29e)
Messages are lost until it is really up because syslogd_is_started is
set too early. Adding a pipe to do the notification allows the parent
to wait and only set syslogd_is_started when the logging daemon is
actually ready.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit f3dd2eec200d6eeada2ea19cd7e76f1edfad6167)
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 4c0cbfbe8b19f2e6fe17093b52c734bec63dd8b7)
To log debugging information from child processes that are started
with vfork and exec, do not set close_on_exec on STDOUT and STDERR for
that process.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 08c53ee609b80f87450a7a1d7dd24fbcdf5ab7bc)
This is currently mapped to DEBUG_EMERG. CTDB really has no business
logging anything at EMERG level since the whole system is not about to
abort or catch fire. EMERG causes the message to appear on the
console and on every terminal. That's a bit overzealous!
There would be very few situations where logs are being filtered at
level below ERROR, so CRIT should certainly suffice.
The trigger for this was curious messages saying "No event for <n>
seconds!" logged in a user's terminal.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 0e56e2dad1861892aa8ba59494ad244f2498314e)
scheduler for the child.
Use ctdb_fork() from callers where we dont want the child to be running
at real-time privilege.
(This used to be ctdb commit 58795a4c9e0624e20fa3e0023b65127053edd103)
This means we can distinguish which child is logging, esp. via syslog where we have no pid.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(This used to be ctdb commit 68b3761a0874429b90731741f0531f76dcfbb081)
