#!/bin/bash

# removing the database cluster if it exists and prepping everything for posgresql operation
# be careful, Will Robinson!

# we need to be root for this
if [[ `whoami` != 'root' ]]; then
  echo "we need to be root for this, quitting"
  exit 1
fi

# work the directory
cd /var/lib/postgresql
chown -R postgres:postgres ./
chmod -R 0700 ./

# do we need to init the db?
if [ ! -e /var/lib/postgresql/9.3/main ]; then

  # initdb as postgres
  su -c '/usr/lib/postgresql/9.3/bin/initdb /var/lib/postgresql/9.3/main' postgres

  # config
  # TODO: this needs to be much mroe specific for production!
  echo "host    all    any  `hostname -I | sed 's/ //g'`/16   trust" >> /var/lib/postgresql/9.3/main/pg_hba.conf
  echo "listen_addresses='*'" >> /var/lib/postgresql/9.3/main/postgresql.conf

  # create the needed databases
  /etc/init.d/postgresql start
  #su -c 'psql --command "CREATE USER some_user;"' postgres
  #su -c "psql --command \"CREATE DATABASE some_db WITH OWNER some_user TEMPLATE template0 ENCODING 'UTF8';\"" postgres
  /etc/init.d/postgresql stop

fi

# run postgres as user postgres
su -c '/usr/lib/postgresql/9.3/bin/postgres -D /var/lib/postgresql/9.3/main' postgres