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#!/bin/sh
#
# garb.sh for rc.d usage (c) 2013 Codership Oy
# $Id$
# PROVIDE: garb
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable Galera Arbitrator Daemon (garbd):
# garb_enable (bool): Set to "NO" by default.
# Set it to "YES" to enable Galera Arbitrator Daemon.
# garb_galera_nodes (str): A space-separated list of node addresses (address[:port]) in the cluster
# (default empty).
# garb_galera_group (str): Galera cluster name, should be the same as on the rest of the nodes.
# (default empty).
# Optional:
# garb_galera_options (str): Optional Galera internal options string (e.g. SSL settings)
# see http://www.codership.com/wiki/doku.php?id=galera_parameters
# (default empty).
# garb_log_file (str): Log file for garbd (default empty). Optional, by default logs to syslog
# garb_pid_file (str): Custum PID file path and name.
# Default to "/var/run/garb.pid".
#
. /etc/rc.subr
name="garb"
rcvar=garb_enable
load_rc_config $name
# set defaults
: ${garb_enable="NO"}
: ${garb_galera_nodes=""}
: ${garb_galera_group=""}
: ${garb_galera_options=""}
: ${garb_log_file=""}
: ${garb_pid_file="/var/run/garbd"}
procname="/usr/local/bin/garbd"
command="/usr/sbin/daemon"
command_args="-c -f -u nobody -p $garb_pid_file $procname"
start_precmd="${name}_prestart"
#start_cmd="${name}_start"
start_postcmd="${name}_poststart"
stop_precmd="${name}_prestop"
#stop_cmd="${name}_stop"
#stop_postcmd="${name}_poststop"
#extra_commands="reload"
#reload_cmd="${name}_reload"
#export LD_LIBRARY_PATH=/usr/local/lib/gcc44
garb_prestart()
{
[ "$(id -ur)" != "0" ] && err 4 "root rights are required to start $name"
[ -r "$garb_pid_file" ] && err 0 "$procname is already running with PID $(cat $garb_pid_file)"
[ -x "$procname" ] || err 5 "$procname is not found"
# check that node addresses are configured
[ -z "$garb_galera_nodes" ] && err 6 "List of garb_galera_nodes is not configured"
[ -z "$garb_galera_group" ] && err 6 "garb_galera_group name is not configured"
GALERA_PORT=${GALERA_PORT:-4567}
# Concatenate all nodes in the list (for backward compatibility)
ADDRESS=
for NODE in ${garb_galera_nodes}; do
[ -z "$ADDRESS" ] && ADDRESS="$NODE" || ADDRESS="$ADDRESS,$NODE"
done
command_args="$command_args -a gcomm://$ADDRESS"
[ -n "$garb_galera_group" ] && command_args="$command_args -g $garb_galera_group"
[ -n "$garb_galera_options" ] && command_args="$command_args -o '$garb_galera_options'"
[ -n "$garb_log_file" ] && command_args="$command_args -l $garb_log_file"
return 0
}
garb_poststart()
{
local timeout=15
while [ ! -f "$garb_pid_file" -a $timeout -gt 0 ]; do
timeout=$(( timeout - 1 ))
sleep 1
done
return 0
}
garb_prestop() {
[ "$(id -ur)" != "0" ] && err 4 "root rights are required to stop $name"
[ -r $garb_pid_file ] || err 0 ""
return 0
}
run_rc_command "$1"
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