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Martin Schwenke b208ae73d1 ctdb-scripts: Avoid shellcheck warning SC2154 (unassigned variables) 
SC2154: VAR is referenced but not assigned.

Change ctdb_setup_service_state_dir(), ctdb_get_pnn() and
ctdb_get_ip_address() to print the value so it can be assigned to a
variable.  The performance gain from avoiding the sub-shells when
calling these functions is close to zero.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-07-21 02:24:26 +02:00
..
events.d ctdb-scripts: Avoid shellcheck warning SC2154 (unassigned variables) 2016-07-21 02:24:26 +02:00
nfs-checks.d ctdb-scripts: Move 60.nfs Ganesha callout to doc/examples/ 2015-07-21 07:54:09 +02:00
ctdb-crash-cleanup.sh ctdb-scripts: Update script boilerplate to avoid shellcheck warnings 2016-07-06 04:28:09 +02:00
ctdb.init ctdb-scripts: Avoid shellcheck warnings SC2046, SC2086 (double-quoting) 2016-07-21 02:24:26 +02:00
ctdb.service initscript: Update systemd configuration to put PID file in /run/ctdb 2013-10-25 12:06:07 +11:00
ctdb.sudoers ctdb-scripts: Update important installed files to use build-time defaults 2015-09-15 08:56:21 +02:00
ctdb.sysconfig ctdb-scripts: Add new configuration variable CTDB_MAX_OPEN_FILES 2015-04-30 06:45:26 +02:00
ctdbd_wrapper ctdb-scripts: Avoid shellcheck warnings SC2046, SC2086 (double-quoting) 2016-07-21 02:24:26 +02:00
debug_locks.sh ctdb-scripts: Avoid shellcheck warnings SC2046, SC2086 (double-quoting) 2016-07-21 02:24:26 +02:00
debug-hung-script.sh ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
functions ctdb-scripts: Avoid shellcheck warning SC2154 (unassigned variables) 2016-07-21 02:24:26 +02:00
gcore_trace.sh common: Debug ctdb_addr_to_str() using new function ctdb_external_trace() 2012-10-18 20:05:42 +11:00
nfs-linux-kernel-callout ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
notify.d.README scripts: Rework notify.sh to use notify.d/ directory 2013-05-23 16:18:23 +10:00
notify.sh ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
README Eventscript support - Remove unused interface_modify.sh 2012-03-22 15:30:27 +11:00
statd-callout ctdb-scripts: Avoid shellcheck warning SC2154 (unassigned variables) 2016-07-21 02:24:26 +02:00

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.