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This will allow Unicode characters to be used, resulting in more
readable source files.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Minor updates to other manual pages for compatibility.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
All except -i/--interactive. This remaining popt option is now neatly
wrapped to fit in 80 columns.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Volatile databases now have their own subdirectory. This makes things
easier if we later recommend mounting a tmpfs on the volatile database
directory, rather than supporting the current CTDB_DBDIR=tmpfs magic.
No need to create database directories for local daemon tests. ctdbd
will do that.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These haven't been used by anyone in a long time. --valgrinding is
less use with CTDB_VALGRINDING now gone.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ctdbd -i might be useful with systemd or similar, so should be
documented.
--nosetsched and --script-log-level options are valid user-level
options.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Tests now deviate from the compile-time default by setting CTDB_BASE.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If the specified file or the default does not exist then log a
warning.
This is done in the takeover code to localise the handling of the
public addresses file. Soon the daemon command-line option will go
away and the takeover code will be replaced in the not too distant
future.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Use environment variables for test-only options.
The setenv() can be dropped because the socket location is either the
compile-time default or the already set environment variable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Event scripts live in a standard place.
For testing, CTDB_BASE is modified.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The plan is to switch to Samba's (incompatible) debug levels, so just
expect CTDB users to use the symbolic name for the debug level.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The underlying change is to allow the cluster mutex argstring to
optionally contain a helper command. When the argument string starts
with '!' then the first word is the helper command to run. This is
now the standard way of changing the helper from the default.
CTDB_CLUSTER_MUTEX_HELPER show now only be used to change the location
of the default helper when testing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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
These still say /tmp/ctdb.socket, which is very out-dated. Update
with build-time location.
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>
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>
There are valid real-world use cases. Improve the documentation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This was true for the daemon until commit
b4589b954e.
Defaulting to ERR in the ctdb CLI tool encourages logging notices at
ERR level, so default to NOTICE instead.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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>
This includes new manpages for ctdb.7, ctdb.conf.5 and ctdb-tunables.7.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 15b5c6c00c248bc1a8364a6da103296a55d7bfb6)
Use sequence numbers to do recovery for persistent databases instead of
RSNs. This fixes the problem of registry corruption during recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 56486d1c01cc8ad0e4b8cee7a22429e72e50f03d)
This simplifies building since we don't use any of the Samba
extensions.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 57aa2dffea60abd73a95233f8b761cc676adebb6)
The code for deadlock detection and killing smbd process causing deadlock
has been removed and replaced with external debug script.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 2211cd94bea266547d3e6f167d3160a6b23bec88)
The example notification script is now much more useful.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 4ba7c73eeab98296c9168e0b0fed1f6bb9f32733)
This really needs to be per-node. The rename is because nodes with
this tunable switched on should drop IPs if they become unhealthy (or
disabled in some other way).
* Add new flag NODE_FLAGS_NOIPHOST, only used in recovery daemon.
* Enhance set_ipflags_internal() and set_ipflags() to setup
NODE_FLAGS_NOIPHOST depending on setting of NoIPHostOnAllDisabled
and/or whether nodes are disabled/inactive.
* Replace can_node_servce_ip() with functions can_node_host_ip() and
can_node_takeover_ip(). These functions are the only ones that need
to look at NODE_FLAGS_NOIPTAKEOVER and NODE_FLAGS_NOIPHOST. They
can make the decision without looking at any other flags due to
previous setup.
* Remove explicit flag checking in IP allocation functions (including
unassign_unsuitable_ips()) and just call can_node_host_ip() and
can_node_takeover_ip() as appropriate.
* Update test code to handle CTDB_SET_NoIPHostOnAllDisabled.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 1308a51f73f2e29ba4dbebb6111d9309a89732cc)
Samba versions 3.6.x and older do not set the database priority.
This can cause deadlock between Samba and CTDB since the locking order
of database will be different. A hack was added for automatic promotion
of priority for specific databases to avoid deadlock. This code should
not be invoked with Samba version 4.x which correctly specifies the
priority for each database.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit 4a9e96ad3d8fc46da1cd44cd82309c1b54301eb7)
This introduces a consistent API for handling locks on single record, complete
db or all dbs. The locks are taken out in a child process. In cases of timeout,
find the processes that currently hold the lock and log.
Callback functions for locking requests take locked boolean to indicate
whether the lock was successfully obtained or not.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 1af99cf0de9919dd89af1feab6d1bd18b95d82ff)
Stops the behaviour where unhealthy nodes can host IPs when there are
no healthy nodes. Set this to 1 when an immediate complete outage is
preferred when all nodes are unhealthy. The alternative
(i.e. default) can lead to undefined behaviour when the shared
filesystem is unavailable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit a555940fb5c914b7581667a05153256ad7d17774)