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Block and unblock IP addresses using these new functions. This makes
the code more readable.
The case statement in each function is very cheap, so there is no need
to prematurely optimise and pass the family.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB_INIT_STYLE isn't used in this script.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Kai Blin <kai@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri May 20 21:06:18 CEST 2016 on sn-devel-144
Some Linux distributions don't have a "service" compatibility command.
To avoid breaking working systems, prefer the "service" compatibility
command just in case it does some extra, unexpected magic.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Kai Blin <kai@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Tue May 17 21:21:30 CEST 2016 on sn-devel-144
If this fails, we want to know which states it wanted to move to. Don't do the
return before the debug.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Sat May 14 03:06:05 CEST 2016 on sn-devel-144
Add CTDB_NFS_STATE_FS_TYPE and CTDB_NFS_STATE_MNT config options, show use in
nfs-ganesha-callout. Since the callout script is only an example, we
officially don't have default values for these.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Comment typos and clarifications, erroneous variable names, corrected
pathnames, reorganizing variables, and squashing a few non-fatal
scripting errors.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
If a recovery is going to be done then this will be followed by a
takeover run anyway. So, there's no use doing the takeover run
checks, potentially doing a takeover run and then doing a recovery.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The recovery daemon should be less involved in the service monitoring
logic.
The cases handled here are already handled elsewhere:
* When a node becomes unhealthy/healthy the monitoring code will
trigger a takeover run
* When a node is disabled/enabled the ctdb CLI tool will trigger a
takeover run
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It will just become healthy again in the next monitor cycle.
Instead, let the recovery master ban it if the problem persists.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Banning is now handled by the takeover code sending banning credit
messages.
This commit makes a change in behaviour quite obvious. Takeover runs
were initiated from several locations in the code but banning was only
done from one of these locations. Now banning can be done from any
failed takeover run.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Post-process failues and only send banning credits to the node with
the most failures.
If there is a widespread problem or a problem on the recovery master
node then this should help avoid banning all the nodes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will allow banning credits assignments to be limited according to
some criteria.
Note that this only matters when multiple controls are sent to each
node: RELEASE_IP and TAKEOVER_IP. This doesn't change the behaviour
for IPREALLOCATED.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Banning credits are now assigned by takeover runs called from all
locations in the recovery daemon. Previously this only happened from
one of the callers. When separating out the takeover run code the
behaviour should be consistent.
The callback (and corresponding data) passed to ctdb_takeover_run() is
now ignored. Dropping this will allow the interface between the
recovery daemon and IP takeover to be simplified.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Probably due to oversight, this is currently only used for the
"takeip" step.
This does consistent error handling and provides a layer of
indirection to the passed callback, so use it for "releaseip" and
"ipreallocated" steps too.
The callback data now needs to be initialised before the first
possible jump to "ipreallocated".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Abstract out the initialisation of the callback data. Later, we'll
need to do it multiple times or move it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The ipreallocated control has been in CTDB for a long time.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These tests do not use ctdb tool stub anymore.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed May 11 02:19:20 CEST 2016 on sn-devel-144
Since there are no public IPs setup, these tests do not really test the
functionality.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This tested parse_nodestring function from tools/ctdb.c. However,
ctdb.c is soon going to be replaced with the code using new client API.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Now all the IP takeover code for non-master node is in this function.
The function can always be renamed to something more suitable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri May 6 15:10:59 CEST 2016 on sn-devel-144
Update log levels and messages, comments and wrapping of long lines.
No functional changes.
Note that interfaces_have_changed() already does adequate logging.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
