listen_addresses = '*'
port = 9999
socket_dir = '/tmp'
pcp_listen_addresses = '*'
pcp_port = 9898
pcp_socket_dir = '/tmp'
listen_backlog_multiplier = 2

backend_hostname0 = 'masterip'
backend_port0 = 5432
backend_weight0 = 1

backend_data_directory0 = '/var/lib/pgsql/data'
backend_flag0 = 'ALLOW_TO_FAILOVER'
backend_hostname1 = 'slaveip'
backend_port1 = 5432
backend_weight1 = 1
backend_data_directory1 = '/var/lib/pgsql/data'
backend_flag1 = 'ALLOW_TO_FAILOVER'

enable_pool_hba = off
pool_passwd = 'pool_passwd'
authentication_timeout = 60

ssl = off
num_init_children = 32
max_pool = 4
child_life_time = 300
child_max_connections = 0
connection_life_time = 0
client_idle_limit = 0

log_destination = 'syslog'
log_line_prefix = '%t: pid %p: '
log_connections = off
log_hostname = off
log_statement = off
log_per_node_statement = off
log_standby_delay = 'if_over_threshold'


syslog_facility = 'LOCAL0'
syslog_ident = 'pgpool'
debug_level = 0

pid_file_name = '/var/run/pgpool/pgpool.pid'
logdir = '/var/log/pgpool'
connection_cache = on
reset_query_list = 'ABORT; DISCARD ALL'
replication_mode = off
replicate_select = off
insert_lock = off

master_slave_mode = on
master_slave_sub_mode = 'stream'
sr_check_period = 10
sr_check_user = 'postgres'
sr_check_password = 'password'
delay_threshold = 10000000

follow_master_command = ''
health_check_period = 5
health_check_timeout = 10
health_check_user = 'postgres'
health_check_password = 'password'
health_check_max_retries = 10
health_check_retry_delay = 2
connect_timeout = 10000

failover_command = '/etc/pgpool-II/failover.sh  %d %P %H %R'
failback_command = ''

recovery_user = 'postgres'
recovery_password = 'password'
recovery_1st_stage_command = 'recovery_1st_stage.sh'
recovery_2nd_stage_command = ''
recovery_timeout = 90
client_idle_limit_in_recovery = 0

#! /bin/sh -x
# Execute command by failover.
# special values:  %d = node id
#                  %h = host name
#                  %p = port number
#                  %D = database cluster path
#                  %m = new master node id
#                  %M = old master node id
#                  %H = new master node host name
#                  %P = old primary node id
#                  %R = new master database cluster path
#                  %r = new master port number
#                  %% = '%' character

falling_node=$1          # %d
old_primary=$2           # %P
new_primary=$3           # %H
pgdata=$4                # %R

log=/var/log/pgpool/failover.log

date >> $log
echo "failed_node_id=$falling_node new_primary=$new_primary" >> $log

if [ $falling_node = $old_primary ]; then
    if [ $UID -eq 0 ]
    then
        su postgres -c "ssh postgres@$new_primary /usr/bin/pg_ctl promote -D $pgdata"
    else
        ssh postgres@$new_primary /usr/bin/pg_ctl promote -D $pgdata
    fi
    exit 0;
fi;

#!/bin/bash -x
# Recovery script for streaming replication.

pgdata=$1
remote_host=$2
remote_pgdata=$3
port=$4


archivedir=/var/lib/pgsql/incrementalbackup/archivedwals
hostname=$(hostname)

ssh -T postgres@$remote_host
rm -rf $remote_pgdata
/usr/bin/pg_basebackup -h $hostname -U repuser -D $remote_pgdata -x -c fast
rm -rf $archivedir/*

cd $remote_pgdata
#cp postgresql.conf postgresql.conf.bak
#sed -e 's/#*hot_standby = off/hot_standby = on/' postgresql.conf.bak > postgresql.conf
#rm -f postgresql.conf.bak
cat > recovery.conf << EOT
standby_mode = 'on'
primary_conninfo = 'host="$hostname" port=$port user=repuser'
restore_command = 'scp $hostname:$archivedir/%f %p'
EOT
"