#! /bin/sh
# Failover command for streaming replication.
# This script assumes that DB node 0 is primary, and 1 is standby.
# 
# If standby goes down, do nothing. If primary goes down, create a
# trigger file so that standby takes over primary node.
#
# Arguments: $1: failed node id. $2: new master hostname. $3: path to
# trigger file.

failed_node=$1
new_master=$2
trigger_file=$3

# Do nothing if standby goes down.
if [ $failed_node = 1 ]; then
	exit 0;
fi

# Create the trigger file.
#/usr/bin/ssh -T $new_master /bin/touch $trigger_file
touch /mnt/host_$new_master/tmp trigger_file0

exit 0;