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Commit Graph

184 Commits

Author SHA1 Message Date
Michael Adam
476672b647 dlist: remove unneeded type argument from DLIST_ADD_END()
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-02-06 21:48:17 +01:00
Amitay Isaacs
f50db5cba5 ctdb-server: Replace ctdb_logging.h with common/logging.h
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
2015-11-16 00:46:15 +01:00
Amitay Isaacs
848da80152 ctdb-daemon: Move switch_from_server_to_client() to ctdb_daemon.c
This function can only called from ctdb daemon.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
2015-11-16 00:46:14 +01:00
Mathieu Parent
c315fce17e Fix various spelling errors
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Nov  6 13:43:45 CET 2015 on sn-devel-104
2015-11-06 13:43:45 +01:00
Amitay Isaacs
563f518283 ctdb-daemon: Remove struct ctdb_client_notify_deregister
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:15 +01:00
Amitay Isaacs
b936145951 ctdb-daemon: Rename struct ctdb_client_notify_register to ctdb_notify_data_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:15 +01:00
Amitay Isaacs
afc5d8a442 ctdb-daemon: Rename struct ctdb_node_map to ctdb_node_map_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
1c828b4ed6 ctdb-daemon: Rename struct ctdb_reply_control to ctdb_reply_control_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
e1fed53e2a ctdb-daemon: Rename struct ctdb_req_control to ctdb_req_control_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
acf858defb ctdb-daemon: Rename struct ctdb_req_message to ctdb_req_message_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
277c21f0cd ctdb-daemon: Rename struct ctdb_reply_call to ctdb_reply_call_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
e0c42c5698 ctdb-daemon: Rename struct ctdb_req_call to ctdb_req_call_old
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-11-04 00:47:14 +01:00
Amitay Isaacs
4647787773 ctdb-daemon: Separate prototypes for common client/server functions
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>
2015-10-30 02:00:27 +01:00
Amitay Isaacs
ded94c426b ctdb-build: Calculate correct version when building from tarball
When building standalone ctdb from git repo, samba_version_file correctly
includes git sha in VERSION string.  When building standalone ctdb from
tarball, samba_version_file puts UNKNOWN in the VERSION string.

Use the packaged include/ctdb_version.h file to set the correct git sha.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-10-30 02:00:27 +01:00
Amitay Isaacs
01c6c90e98 ctdb-daemon: Remove dependency on includes.h
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>
2015-10-30 02:00:27 +01:00
Amitay Isaacs
2fdb332fad ctdb-daemon: Stop using tevent compatibility definitions
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-10-30 02:00:27 +01:00
Amitay Isaacs
b900adc55c ctdb-daemon: Separate prototypes for system specific functions
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>
2015-10-30 02:00:27 +01:00
Amitay Isaacs
b25c1135a7 ctdb-daemon: Use reqid abstraction
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-10-07 14:53:28 +02:00
Amitay Isaacs
9d75bf3a9f ctdb-daemon: formatting fix
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-10-07 14:53:28 +02:00
Amitay Isaacs
62f1e2579a ctdb-daemon: Replace ctdb_message with srvid abstraction
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2015-10-07 14:53:28 +02:00
Volker Lendecke
239062a062 ctdb: Fix a 32-bit problem
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Thu Sep  3 22:12:02 CEST 2015 on sn-devel-104
2015-09-03 22:12:02 +02:00
Martin Schwenke
6551591914 ctdb-daemon: Ignore SIGUSR1
No use dying or failing eventscripts if someone sends a random
SIGUSR1.

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 Jul 21 11:00:17 CEST 2015 on sn-devel-104
2015-07-21 11:00:17 +02:00
Martin Schwenke
eb159f3ff5 ctdb-daemon: Promote debug messages about --start-as-* to NOTICE level
It is important to know when ctdbd is started with --start-as-stopped
or --start-as-disabled.  Given that this only happens once it makes
sense to promote these debug items to NOTICE level.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-07-01 04:18:29 +02:00
Michael Adam
c0364fa075 ctdb: remove useless setting of variable domain_socket_name
This was used to unlink the socket at daemon exit, which
was removed in ctdb commit b18356764cd49d934eab901e596bb75c6e3ecdf8
(Samba master commit 4259156050).

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Jun 25 18:29:59 CEST 2015 on sn-devel-104
2015-06-25 18:29:59 +02:00
Martin Schwenke
a1d6b3fb4b ctdb-daemon: Move release of all IPs to startup
This means that DisableIPFailover will be set if it should be.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-05-13 06:42:13 +02:00
Martin Schwenke
7d0a4ab622 ctdb-daemon: Never release all IPs when DisableIPFailover is set
If DisableIPFailover is set then something else may be managing public
IP addresses so CTDB should leave them alone.

Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-05-13 06:42:13 +02:00
Martin Schwenke
6808b0aa6a ctdb-daemon: Drop interface monitoring
This is done by 10.interace where the monitor event fails when there
is a missing interface.  The in-daemon interface checking adds no
value.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-05-10 03:22:14 +02:00
Martin Schwenke
81e526965c ctdb-daemon: New control CTDB_CONTROL_GET_NODES_FILE
This is like CTDB_CONTROL_GET_NODEMAP but it loads from the nodes file
instead of the daemon.

Also new client function ctdb_ctrl_getnodesfile()

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-03-23 12:23:12 +01:00
Martin Schwenke
a5be2c245d ctdb-daemon: Store node addresses as ctdb_sock_addr rather than strings
Every time a nodemap is contructed the node IP addresses all need to
be parsed.  This isn't very productive use of CPU.

Instead, parse each string once when the nodes file is loaded.  This
results in much simpler code.

This code also removes the use of ctdb_address.  Duplicating the port
is pointless without an abstraction layer around ctdb_address.  If
CTDB gets an incompatible transport in the future then add an
abstraction layer.

Note that the infiniband code is not updated.  Compilation of the
infiniband code is already broken.  Fixing it will be a separate,
properly tested effort.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
2015-03-23 12:23:12 +01:00
Martin Schwenke
876529054a ctdb-daemon: Set node PNN in one place
This is currently set in 2 places.  One of them makes the node loading
code difficult to refactor.  Also, when the surrounding code in either
place is touched then it might get broken.

This only needs to be done once at startup, not on every reload.  So
do it once in a very obvious way, sacrificing a few CPU cycles for
some added clarity.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-03-23 12:23:12 +01:00
Martin Schwenke
db6385afe9 ctdb-daemon: Move VNN map initialisation out of node loading
Each node reload unnecessarily and incorrectly resets the VNN map,
causing a potentially unnecessary recovery.  When nodes are reloaded
any newly deleted nodes should already be disconnected and any newly
added nodes should also be disconnected.  This means that reloading
the nodes file should not cause a change in the VNN map.

The current implementation also leaks memory every time the nodes are
reloaded.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2015-03-23 12:23:12 +01:00
Amitay Isaacs
a54db687ac ctdb: Rename CTDB_VERSION to CTDB_PROTOCOL
CTDB_VERSION really is the ctdb protocol version.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
2014-10-28 05:42:05 +01:00
Martin Schwenke
2974554356 ctdb-logging: Replace logd code with a basic syslog(3) implementation
It is much simpler for most cases to have a syslog backend that
doesn't need a separate CTDB-specific logging daemon.  This loses the
lossy, non-blocking mode provided by logd.  However, a corresponding
feature with a completely different implemention (not requiring an
extra daemon) will be re-added into the syslog backend.  In an ideal
world the new implementation would be added first but unfortunately
that is hard to do because the logd code is hooked in at more than one
place.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-10-28 05:42:04 +01:00
Amitay Isaacs
f5f11e1a05 ctdb-daemon: Decrement pending calls statistics when calls are deferred
Deferred calls should not be treated as pending calls since they are
re-processed from the beginning.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-09-12 08:46:14 +02:00
Amitay Isaacs
d410b20601 ctdb-daemon: Make sure ctdb runs with real-time priority
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-09-12 08:46:14 +02:00
Amitay Isaacs
e6127a9ece ctdb-daemon: Increment pending calls statistics correctly
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-09-11 09:04:11 +02:00
Martin Schwenke
acf26089f1 ctdb-util: Rename db_wrap to tdb_wrap and make it a build subsystem
This makes it consistent with Samba, to ease transition.

Update unit test code to link to with tdb_wrap instead of including
db_wrap.c.

There are some potential whitespace fixes in this commit that have
been ignored.  CTDB's lib/tdb_wrap will be deleted after the
transition to Samba's lib/tdb_wrap, so there's no point polishing it
too much.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-09-10 01:36:15 +02:00
Martin Schwenke
a81dccf7ad ctdb-daemon: Move some inline declarations to header file
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-09-10 01:36:14 +02:00
Amitay Isaacs
deb7bb89b3 ctdb-daemon: Remove duplicate code with refactored function
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-09-05 07:05:10 +02:00
Martin Schwenke
1677dd499c ctdb-daemon: Remove ctdbd_pid global variable
This duplicates ctdb->ctdbd_pid.

Thanks to Sumit Bose <sbose@redhat.com> for the suggestion.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-07-05 06:51:13 +02:00
Martin Schwenke
e454e5ac9c ctdb-daemon: Check PID in ctdb_remove_pidfile(), not unreliable flag
If something unexpectedly uses fork() then an exiting child will
remove the PID file while the main daemon is still running.  The real
test is whether the current process has the PID of the main CTDB
daemon, which is the process that calls setsid().

This could be done using getpgrp() instead.  At the moment the
eventscript handler harmlessly calls setpgid() - harmless because the
atexit() handlers are cleared upon exec().  However, it is possible
that process groups will be used more in future so it is probably
better to rely on the session ID.

Thanks to Sumit Bose <sbose@redhat.com> for the idea.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-07-05 06:51:13 +02:00
Martin Schwenke
c7b3be97d9 ctdb-daemon: Exit if setting the session ID fails
Currently ctdbd_wrapper depends on the session ID.  Very soon PID file
removal will too.  :-)

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-07-05 06:51:13 +02:00
Amitay Isaacs
8c8ef5640e ctdb-daemon: Rename ctdb_lockdown_memory to lockdown_memory
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-06-12 05:40:10 +02:00
Amitay Isaacs
22f71579a4 ctdb-daemon: Instead of passing ctdb context, pass valgrinding boolean
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-06-12 05:40:10 +02:00
Amitay Isaacs
d09f8134c1 ctdb-daemon: Rename block_signal to ignore_signal
This function does not block signals, but ignores them.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-06-12 05:40:10 +02:00
Amitay Isaacs
3a9d375328 ctdb-common: Drop ctdb prefix from utility functions independent of ctdb
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-06-12 05:40:10 +02:00
Amitay Isaacs
5b580e5d65 ctdb-common: Changing scheduler policy does not require ctdb context
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-06-12 05:40:10 +02:00
Martin Schwenke
e6304d1e1a ctdb/daemon: Untangle serialisation of 1st recovery -> startup -> monitor
At the moment ctdb_check_healthy() is overloaded to wait until the
first recovery is complete, handle the "startup" event and also
actually handle monitoring.  This is untidy and hard to follow.

Instead, have the daemon explicitly wait for 1st recovery after the
"setup" event.  When first recovery is complete, schedule a function
to handle the "startup" event.  When the "startup" event succeeds then
explicitly enable monitoring.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2014-01-17 17:59:41 +11:00
Amitay Isaacs
7aa20ccb5c ctdb-daemon: No need to call event scripts with CTDB_CALLED_BY_USER
This was added to support external monitoring using CTDB event scripts.
However, it was never used.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2014-01-16 11:41:12 +11:00
Amitay Isaacs
6d1b74f052 ctdb-server: Coverity fixes
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
2013-11-19 17:13:03 +01:00