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Martin Schwenke ab51f283e7 ctdb-scripts: Call iptables/ip6tables directly from iptables_wrapper 
Drops the iptables() and ip6tables() functions and, hence, the
hardcoding of paths /sbin/iptables and /sbin/ip6tables.  The latter
avoids problems on openSUSE where (for example) /usr/sbin/iptables is
used instead.

This means that locking around ip*tables commands is only done when
iptables_wrapper is called directly.  This is fine because the only
conflict is when "releaseip" or "takeip"/"updateip" events are run in
parallel.  The other uses in 11.natgw and 70.iscsi are in events where
there will be no collisions.

Making 11.natgw support IPv6 is unnecessary.  Just put a static IPv6
address on each interface - they're plentiful.

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 Jan 28 08:29:55 CET 2015 on sn-devel-104
2015-01-28 08:29:55 +01:00
..
events.d ctdb-scripts: Error message, comment and whitespace cleanups 2015-01-28 06:01:09 +01:00
nfs-rpc-checks.d ctdb-scripts: Try to restart statd after every 10 failures 2014-11-18 04:17:10 +01:00
ctdb-crash-cleanup.sh scripts: drop_all_public_ips() now prints messages to stdout, not log 2013-06-20 13:01:09 +10:00
ctdb.init Add missing $remote_fs LSB dependency 2013-10-24 16:54:08 +11:00
ctdb.service initscript: Update systemd configuration to put PID file in /run/ctdb 2013-10-25 12:06:07 +11:00
ctdb.sudoers statd-callout: Make sure statd callout script always runs as root 2013-04-08 11:14:28 +10:00
ctdb.sysconfig ctdb-logging: New option CTDB_LOGGING, remove CTDB_LOGFILE, CTDB_SYSLOG 2014-10-28 05:42:04 +01:00
ctdbd_wrapper ctdb-scripts: Fix bashism in ctdbd_wrapper script 2015-01-09 02:03:40 +01:00
debug_locks.sh ctdb-scripts: Fix the regular expresssion for parsing /proc/locks 2014-09-25 07:19:59 +02:00
debug-hung-script.sh ctdb-scripts: Fix stack dumping when debugging hung scripts 2014-11-18 06:37:44 +01:00
functions ctdb-scripts: Call iptables/ip6tables directly from iptables_wrapper 2015-01-28 08:29:55 +01:00
gcore_trace.sh common: Debug ctdb_addr_to_str() using new function ctdb_external_trace() 2012-10-18 20:05:42 +11:00
notify.d.README scripts: Rework notify.sh to use notify.d/ directory 2013-05-23 16:18:23 +10:00
notify.sh scripts: Rework notify.sh to use notify.d/ directory 2013-05-23 16:18:23 +10:00
README Eventscript support - Remove unused interface_modify.sh 2012-03-22 15:30:27 +11:00
statd-callout ctdb-scripts: Don't use the GNU awk gensub() function 2015-01-09 02:03:40 +01:00

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.

  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.