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This implements the type of fcntl locking that the recovery lock uses.
The intent is to use it for multiple locks and allow the choice of
helper to be configured.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These controls have never been used and also they do not use the server_id
structure defined in samba. In future, similar controls can be added to
register/unregister using proper server_id structure.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This will replace the ctdb CLI tool "lvs" and "lvsmaster" options. It
also makes LVS daemon support unnecessary.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will allow killing of TCP connections without daemon involvement.
It looks strange that the common code for daemon and helper is in the
server directory. Having it in the server directory means less
temporary changes to the build configuration. This code will move
into the helper itself and will no longer be used by the daemon.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will be used in a standalone helper.
Don't worry that the API isn't clean and opaque. All of the code will
eventually move into the helper and will no longer be used by the
daemon.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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 Mar 17 13:56:41 CET 2016 on sn-devel-144
GNU/kFreeBSD's platform name is 'gnukfreebsd', not just 'kfreebsd'.
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Garming Sam <garming@samba.org>
Autobuild-Date(master): Tue Mar 1 05:42:23 CET 2016 on sn-devel-144
These have been scattered around the code so that
tevent_loop_allow_nesting() can be called. However, only the main
daemon and some tests currently use nested event loops.
TEVENT_DEPRECATED is already defined in the places where it is needed.
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): Fri Feb 26 07:11:29 CET 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11696
We neither have public headers nor a public library.
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Fri Jan 29 04:33:36 CET 2016 on sn-devel-144
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>
Include system_util.c in ctdb-system subsystem.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Nov 16 03:51:36 CET 2015 on sn-devel-104
These functions are only used in the ctdb daemon code.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Commit 3ddd35142a tries to
unconditionally install pre-built manpages if xsltproc is unavailable.
However, these only exist in a tarball, not in a git repo. That can
make the installation fail.
If xsltproc does not exist then check for each pre-built manpage at
configure time. This should cover all the possible cases.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Nov 11 06:23:48 CET 2015 on sn-devel-104
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 Nov 4 03:52:27 CET 2015 on sn-devel-104
Currently only Samba is built with CTDB and since CTDB headers are not
public any more, no other application can build with CTDB. So define
CTDB_SOCKET only during build.
In future CTDB will have public API and proper way of figuring out
CTDB_SOCKET.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The databases are repacked automatically during vacuuming when the
freelist size grows beyond configured threshold (RepackLimit).
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Parallel database recovery fixes the samba/ctdb deadlock during recovery.
Many times samba tries to grab multiple record locks in sequence.
Consider a case when samba is already holding a record lock on a database
and tries to get a record lock on second database. If the second record
is not available on the local node, samba asks ctdb to migrate the record.
If recovery occurs at this time (e.g. node becoming inactive), ctdb
cannot freeze all the databases since samba is already holding a lock
and waiting for the second lock. CTDB can process the second record
request only after the recovery is complete, thus causing a deadlock.
In parallel database recovery, each database is frozen and recovered
independent from each other. So as soon as the second database is
recovered, CTDB will resend all the pending migration requests and Samba
can get the second lock. Once samba releases both the locks, ctdb can
freeze the first database and recover it completing recovery process.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Attempt to make common code independent and free from ctdb_context.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The functions defined in common/system_*.c depend on the functions
defined in common/system_common.c. So keep them together.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
These headers are used by the server code and should not be marked public.
Samba builds against the in-tree version of the headers and should not
be built with externally installed CTDB.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
These changes enable the default installation prefix settings to
take effect in both Waf 1.5 and 1.8 with no additional code changes.
Signed-off-by: Thomas Nagy <tnagy@waf.io>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
At the moment they are not installed at all if xsltproc is not
available.
They can still be filtered to have the paths match what was
configured.
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>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Tue Sep 15 11:57:44 CEST 2015 on sn-devel-104
In this case: ctdbd_wrapper, onnode, ctdb_diagnostics, ctdb.sudoers.
Set sensible defaults from configure options.
Update documentation to match, trying to fix up anything that has been
missed before.
The onnode unit tests need a symlink to the functions file.
The simple integration tests need to set CTDB_BASE and also
need symlinks to functions/nodes.
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>
fixup
Signed-off-by: Martin Schwenke <martin@meltin.net>
Have wscript do path substitution.
No need to export this and CTDB_ETCDIR here, but test scripts will
still need to do so.
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>
