#!/bin/sh
set -ev

cd $(realpath $(dirname "${0}"))/install

# Create Postgres instance
mkdir -p /srv/ckan/postgres_data
chown -R 105432:105432 /srv/ckan/postgres_data
chmod 700 /srv/ckan/postgres_data
lxc-execute -n ckan_postgres -- initdb -D /var/lib/postgresql

# Configure Postgres
cp postgres_data/postgresql.conf /srv/ckan/postgres_data/postgresql.conf
cp postgres_data/pg_hba.conf /srv/ckan/postgres_data/pg_hba.conf

# Create database
export CKAN_PWD=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
export CKAN_DS_PWD=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
service ckan_postgres start #TODO: wait?
envsubst <createdb.sql | lxc-attach -u 5432 -g 5432 ckan_postgres -- psql

# Configure Redis
mkdir -p /srv/ckan/redis_conf /srv/ckan/redis_data
cp redis_conf/redis.conf /srv/ckan/redis_conf/redis.conf
chown -R 106379:106379 /srv/ckan/redis_data
service ckan_redis start

# Configure Solr
mkdir -p /srv/ckan/solr_data
lxc-execute ckan_solr -- cat /opt/solr/server/solr/solr.xml >/srv/ckan/solr_data/solr.xml
chown -R 108983:108983 /srv/ckan/solr_data
service ckan_solr start # TODO: add ready / wait

# Configure CKAN Solr core
lxc-attach -u 8983 -g 8983 ckan_solr -- solr create -p 8983 -c ckan # TODO: wait to ensure creation?
service ckan_solr stop
cp solr_data/ckan/conf/schema.xml /srv/ckan/solr_data/ckan/conf/schema.xml
cp solr_data/ckan/conf/solrconfig.xml /srv/ckan/solr_data/ckan/conf/solrconfig.xml
chown 108983:108983 /srv/ckan/solr_data/ckan/conf/schema.xml # TODO: je to potreba?
service ckan_solr start

# Configure CKAN DataPusher
mkdir -p /srv/ckan/datapusher_conf /srv/ckan/datapusher_data
cp datapusher_conf/datapusher.wsgi /srv/ckan/datapusher_conf/datapusher.wsgi
cp datapusher_conf/datapusher_settings.py /srv/ckan/datapusher_conf/datapusher_settings.py
chown -R 108080:108080 /srv/ckan/datapusher_data

# Configure CKAN
mkdir -p /srv/ckan/ckan_conf /srv/ckan/ckan_data
export CKAN_SECRET=$(head -c 18 /dev/urandom | base64 | tr -d '+/=')
export CKAN_UUID=$(cat /proc/sys/kernel/random/uuid)
envsubst <ckan_conf/ckan.ini >/srv/ckan/ckan_conf/ckan.ini
cp ckan_conf/who.ini /srv/ckan/ckan_conf/who.ini
chown -R 108080:108080 /srv/ckan/ckan_data

# Populate database
lxc-execute ckan -- paster --plugin=ckan db init -c /etc/ckan/ckan.ini
lxc-execute ckan -- paster --plugin=ckanext-spatial spatial initdb -c /etc/ckan/ckan.ini
lxc-execute ckan -- paster --plugin=ckan datastore set-permissions -c /etc/ckan/ckan.ini | lxc-attach -u 5432 -g 5432 ckan_postgres -- psql

# Create admin account
export CKAN_ADMIN_USER="admin"
export CKAN_ADMIN_UUID=$(cat /proc/sys/kernel/random/uuid)
export CKAN_ADMIN_APIKEY=$(cat /proc/sys/kernel/random/uuid)
export CKAN_ADMIN_PWD=$(head -c 12 /dev/urandom | base64 | tr -d '+/=')
export CKAN_ADMIN_HASH=$(lxc-execute ckan -- python -c "from passlib.hash import pbkdf2_sha512;print pbkdf2_sha512.encrypt('${CKAN_ADMIN_PWD}')")
export CKAN_ADMIN_EMAIL="admin@example.com"
envsubst <adminpwd.sql | lxc-attach -u 5432 -g 5432 ckan_postgres -- psql ckan

# Install config update script
cp update-conf.sh /srv/ckan/update-conf.sh

# Stop services required for setup
service ckan_solr stop
service ckan_postgres stop
service ckan_redis stop

# Register application
vmmgr register-app ckan ckan "${CKAN_ADMIN_USER}" "${CKAN_ADMIN_PWD}"