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Martin Schwenke 1971336200 Eventscripts: fix regression in 60.nfs export checking. 
Commit 35a60a63a9b5c7d98dde514ae552239506b691c9 introduced a
regression, reported by "Jonathan Buzzard" <J.Buzzard@dundee.ac.uk>,
as follows:

  Basically the use of sed in the following code snippet does not work
  for long exports where exportfs wraps the host or network onto the
  next line.

         exportfs | grep -v '^#' | grep '^/' |
         sed -e 's/[[:space:]]*[^[:space:]]*$//' |
         ctdb_check_directories

  The result is that the you get lots of blank lines being sent to
  ctdb_check_directories which causes the host to be marked as
  unhealthy and then thrashing sets in of the managed IP's making the
  whole cluster unusable.

This tightens up the sed expression so that it is less likely to
produce a spurious empty line.  It also removes an unnecessary "grep -v".

Signed-off-by: Martin Schwenke <martin@meltin.net>

(This used to be ctdb commit bd39b91ad12fd05271a7fced0e6f9d8c4eba92e6)
2011-08-11 15:01:39 +10:00
..
events.d Eventscripts: fix regression in 60.nfs export checking. 2011-08-11 15:01:39 +10:00
ctdb-crash-cleanup.sh In the example script to remove all ip addresses after a ctdb crash, 2010-04-23 09:08:26 +10:00
ctdb.init When starting and stopping ctdb through the init-script, make sure we first clear all public ips bvefore we start the daemon, in case they are still hanging around since a previous kill -9 and also make sure we drop them after we have stopped the deamon when shutting down 2011-08-11 11:48:04 +10:00
ctdb.sysconfig Add documentation for the new filesystem use monitoring 2011-08-11 10:07:50 +10:00
functions Evenscripts: improvements to ctdb_service_check_reconfigure(). 2011-08-11 10:46:57 +10:00
gdb_backtrace lib/util: import fault/backtrace handling from samba. 2010-01-20 09:44:36 +01:00
interface_modify.sh Scripts: remove absolute paths from interface_modify.sh. 2011-08-08 15:50:10 +10:00
notify.sh server: add "setup" event 2010-02-23 10:38:49 +01:00
README Scripts: add note about not using absolute command paths to README. 2011-08-09 16:36:37 +10:00
statd-callout Eventscripts: remove unnecessary absolute paths from external commands. 2011-08-03 17:19:15 +10:00

README 

This directory contains run-time support scripts for CTDB.

Selected highlights:

  ctdb.init

    An initscript for starting ctdbd at boot time.

  events.d/

    Eventscripts.  See events.d/README for more details.

  functions

    Support functions, sourced by eventscripts and other scripts.

  interface_modify.sh

    Script to support add/remove IPs and other funky stuff.  Not sure
    why this is separate... but it certainly allows easy wrapping by
    flock.

  statd-callout

    rpc.statd high-availability callout to support lock migration on
    failover.

Notes:

* All of these scripts are written in POSIX Bourne shell.  Please
  avoid bash-isms, including the use of "local" variables (which are
  not available in POSIX shell).

* Do not use absolute paths for commands.  Unit tests attempt to
  replace many commands with stubs and can not do this if commands are
  specified with absolute paths.  The functions file controls $PATH so
  absolute paths should not be required.