#! /bin/sh
version="abf5c5"
version="924b"
killall -9 postgres
source pgsetpath $version 0
rm -rf $PGDATA/* $PGARC/*
PGDATA0=$PGDATA
PGPORT0=$PGPORT
initdb -D $PGDATA0
cat >> $PGDATA0/postgresql.conf <<EOF
wal_level = hot_standby
checkpoint_segments = 300
checkpoint_timeout = 1h
archive_mode = on
archive_command = 'cp %p $PGARC/%f'
max_wal_senders = 3
hot_standby = on
EOF
cat >> $PGDATA0/pg_hba.conf <<EOF
local   replication     horiguti                                trust
EOF
echo ## Startup master
pg_ctl -D $PGDATA0 -w start
source pgsetpath $version 1 -p 5433
PGDATA1=$PGDATA
PGPORT1=$PGPORT
rm -rf $PGDATA/* $PGARC/*
echo "## basebackup"
pg_basebackup -h /tmp -p $PGPORT0 -F p -X s -D $PGDATA1
chmod 700 $PGDATA1
cat >> $PGDATA1/recovery.conf <<EOF
standby_mode = yes
primary_conninfo='host=/tmp port=5432'
restore_command='a=$PGARC; if [ -f \$a/%f ]; then cp \$a/%f %p; else exit 1; fi'
#restore_command='a=$PGARC; if [  -d \$a ]; then echo Archive directory \$a is not found.; exit 1; elif [ -f \$a/%f ]; then cp \$a/%f %p; else exit 1; fi'
EOF

echo "## Startup standby"
pg_ctl -D $PGDATA1 start
echo "## Sleep for 5 seconds"
sleep 5

echo "## Shutdown standby"
pg_ctl -D $PGDATA1 -w stop -m f

echo "## Shutdown master in immediate mode"
pg_ctl -D $PGDATA0 -w stop -m i

cat >> $PGDATA0/recovery.conf <<EOF
standby_mode = yes
primary_conninfo='host=/tmp port=5433'
restore_command='a=$PGARC; if [ -f \$a/%f ]; then cp \$a/%f %p; else exit 1; fi'
EOF

echo "## Starting master as a standby"
if [ "$1" == "w" ]; then touch /tmp/xlogwait; fi
PGPORT=5432 pg_ctl -D $PGDATA0  start
#psql postgres -c "select pg_is_in_recovery();"