#!/bin/sh
set -e

SOURCE_DIR=$(realpath $(dirname "${0}"))/setup

# Create Postgres instance
mkdir -p /srv/postgres/data
chown -R 5432:5432 /srv/postgres/data
chmod 700 /srv/postgres/data
lxc-execute -n postgres -- /usr/bin/initdb -D /var/lib/postgresql

# Configure Postgres
cp ${SOURCE_DIR}/srv/postgres/data/postgresql.conf /srv/postgres/data/postgresql.conf
cp ${SOURCE_DIR}/srv/postgres/data/pg_hba.conf /srv/postgres/data/pg_hba.conf
# Enable query logging. Only if the DEBUG environment variable is set
if [ ${DEBUG:-0} -eq 1 ]; then
    sed -i 's/^#log_destination/log_destination/' /srv/postgres/data/postgresql.conf
    sed -i 's/^#log_statement/log_statement/' /srv/postgres/data/postgresql.conf
fi

# Install service
cp ${SOURCE_DIR}/etc/init.d/postgres /etc/init.d/postgres
rc-update -u