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SC2039: In POSIX sh, ulimit -c/-n is not supported.
Have shellcheck suppress the warnings. If -n is not supported then
don't set CTDB_MAX_OPEN_FILES. If packaging for a platform where -c
is not supported then remove this code and associated documentation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2119: Use FUNC "$@" if function's $1 should meanscript's $1.
SC2120: FUNC references arguments, but none are ever passed.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2046: Quote this to prevent word splitting.
SC2086: Double quote to prevent globbing and word splitting.
Add some quoting where it makes sense. Use shellcheck directives for
false-positives.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids relevant shellcheck warnings. This is most of the
shellcheck low hanging fruit in the non-test code. Many of the other
warnings produced by shellcheck are either false positives, are
non-trivial to fix or a fix may result in worse code.
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): Wed Jul 6 08:15:49 CEST 2016 on sn-devel-144
This makes ctdbd_wrapper usable in non-standard installs.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
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>
Various scripts (including debug_locks.sh, 00.ctdb, 05.system) need
CTDB_DBDIR to point to the right place... but it doesn't.
Move the rewriting of CTDB_DBDIR to loadconfig() so that it happens
for all scripts. Have this code set internal variable
CTDB_DBDIR_TMPFS_OPTIONS so that ctdbd_wrapper can do the mount.
This loses the generality that was present in dbdir_tmpfs_start() but
it wasn't being used anyway. If it is needed in the future then it
will be in the git history.
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): Wed Nov 18 11:51:54 CET 2015 on sn-devel-104
The tmpfs is mounted and unmounted by ctdbd_wrapper. Format is
CTDB_DBDIR=tmpfs:<tmpfs-options>. The only default for the tmpfs is
mode=700 - to override, specify a different value in <tmpfs-options>.
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): Mon Nov 9 10:58:32 CET 2015 on sn-devel-104
This will make it easier to run things after CTDB is stopped.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Since commit 84f5528d9b, CTDB will not
remove an existing socket if it can connect to the existing one.
Instead it will fail to start.
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): Wed Oct 28 09:44:37 CET 2015 on sn-devel-104
If 2 attempts are made to start CTDB in quick succession then it is
possible for the 2nd attempt to remove a newly created PID file from
the 1st.
If the PID file existed then the PID/SID from ctdbd_is_running() will
be passed to kill_ctdbd(). If the PID file did not exist then there
is no point removing it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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>
Required when automatic address detection can not be used. This can
be the case when running multiple ctdbd daemons/nodes on the same
physical host (usually for testing), using InfiniBand for the private
network or on Linux when sysctl net.ipv4.ip_nonlocal_bind=1.
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 Apr 27 06:10:08 CEST 2015 on sn-devel-104
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11007
Signed-off-by: Oleksandr Chumachenko <ledest@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Some implementations may not understand RC3164 format messages on the
UDP socket, so add support for RFC5424 message format.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This has most of the advantages of the old logd with none of the
complexity of the extra process. There are several good syslog
implementations that can listen on the UDP port.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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>
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>
Variables that are not set but exported, may return an empty string
for getenv(). Tested on freebsd.
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 Sep 17 09:55:47 CEST 2014 on sn-devel-104
Allowing people to put random options in CTDB_OPTIONS complicates some
logic (particularly around use of syslog). If we're going to have
variables for options then let's make sure we have a variable for each
option and make people use them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit e55f3a1577eff0182802b0341d865d961aeae1c7)
This ensures that any invocation of the ctdb tool (within the wrapper)
gets the desired value. This at least ensures that ctdbd will be
started.
If a non-standard value is set for CTDB_SOCKET then command-line users
will still need the variable in their environment.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 37ccc7c6cc43a80aaa92291aea7a438f4225488a)
It can be very disconcerting when logging to syslog is expected but
nothing is being logged there.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 412bc0e20bef694d4e911dc9c984fd7716231f1f)
Currently the initscript is very complex. This makes it hard to read
and hard to add support for new init systems, such as systemd.
Create a wrapper called ctdbd_wrapper to be installed alongside ctdbd.
This is called by the initscript to start and stop ctdbd. It does the
ctdbd option construct and waits until ctdbd is properly initialised
before it exits.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit e3abc7eebab5cceddc4ce7817890dd5db9be3450)
