#!/bin/bash

function start_database_container() {

if ! docker inspect "$DB_CONTAINER" >/dev/null 2>/dev/null; then

# Create data directory if does not exist

if [[ ! -d "$DB_ROOT" ]]; then

mkdir -p "$DB_ROOT"

chown -R dokku: "$DB_ROOT"

fi

# Create root password if not specified

if [[ ! -f "$DB_ADMIN_PASSWORD" ]]; then

generate_random_password > "$DB_ADMIN_PASSWORD"

fi

# Start database container

docker run --detach \

--name="$DB_CONTAINER" \

--volume="$DB_VOLUME":"$DB_CONTAINER_VOLUME" \

--volume="$DB_ADMIN_PASSWORD":"$DB_CONTAINER_PASSWORD" \

"$DB_IMAGE" \

"$DB_COMMAND" >/dev/null

fi

for i in $(seq 1 100); do

if [[ -f "$DB_VOLUME/initialized" ]]; then

break

fi

echo "Waiting for $DB_HOST to boot ($i)..."

sleep 5s

done

}

function restart_database_container() {

stop_and_remove_container "$DB_CONTAINER"

start_database_container

}

function ensure_database_container_is_running() {

remove_container "$DB_CONTAINER"

start_database_container

}

function db_info() {

APP="$1"

DB_NAME="$2"

DB_PASSWORD="$DB_APP_PASSWORDS$APP"

DB_LINK="$DB_APP_DATABASES$APP/$DB_NAME"

DB_PASSWORD="$(cat "$DB_PASSWORD" 2>/dev/null)"

DB_USER="$APP"

DB_DATABASE="$DB_NAME"

DB_URL="$DB_PROTOCOL://$DB_USER:$DB_PASSWORD@$DB_HOST:$DB_PORT/$DB_DATABASE"

[[ ! -f "$DB_LINK" ]] && return 1

return 0

}