#!/bin/bash
# This script is run after recovery_1st_stage to start Standby node.

set -o xtrace
exec > >(logger -i -p local1.info) 2>&1

DEST_NODE_HOST="$1"
DEST_NODE_PGDATA="$2"

PGHOME=/usr/lib/postgresql/12

logger -i -p local1.info pgpool_remote_start: start: remote start Standby node $DEST_NODE_HOST

## Test passwrodless SSH
ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null postgres@${DEST_NODE_HOST} -i ~/.ssh/id_rsa_pgpool ls /tmp > /dev/null

if [ $? -ne 0 ]; then
    logger -i -p local1.info pgpool_remote_start: passwrodless SSH to postgres@${DEST_NODE_HOST} failed. Please setup passwrodless SSH.
    exit 1
fi

## Start Standby node
ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null postgres@$DEST_NODE_HOST -i ~/.ssh/id_rsa_pgpool "
    $PGHOME/bin/pg_ctl -l /dev/null -w -D $DEST_NODE_PGDATA start
"

if [ $? -ne 0 ]; then
    logger -i -p local1.error pgpool_remote_start: $DEST_NODE_HOST PostgreSQL start failed.
    exit 1
fi

logger -i -p local1.info pgpool_remote_start: end: $DEST_NODE_HOST PostgreSQL started successfully.
exit 0