docker/scripts/setup_env
#!/bin/bash
set -e
export LC_ALL=en_US.UTF-8
export HOME=/app
cd
if [ -f /app/tmp/pids/delayed_job.pid ]; then
rm /app/tmp/pids/delayed_job.pid
fi
# DATABASE_URL takes the highest precedence.
if [[ -n "$DATABASE_URL" ]]; then
case "${DATABASE_URL%%://*}" in
mysql)
DATABASE_ADAPTER=mysql2
DATABASE_URL="$DATABASE_ADAPTER${DATABASE_URL#mysql}" ;;
postgres)
DATABASE_ADAPTER=postgresql ;;
*)
DATABASE_ADAPTER="${DATABASE_URL%%://*}" ;;
esac
eval "$(ruby -ruri -rshellwords -e 'u = URI(ARGV[0]); {
HOST: u.hostname,
PORT: u.port,
USERNAME: u.user,
PASSWORD: u.password,
NAME: u.path[%r{[^/]+}]
}.each {|k,v| puts "HUGINN_DATABASE_#{k}=#{v.to_s.shellescape}" }' "$DATABASE_URL")"
# is a mysql or postgresql database linked?
# requires that the mysql or postgresql containers have exposed
# port 3306 and 5432 respectively.
elif [[ -n "${MYSQL_PORT_3306_TCP_ADDR}" || ("${DATABASE_ADAPTER}" == "mysql2" && -n "${DATABASE_HOST}") ]]; then
DATABASE_ADAPTER=${DATABASE_ADAPTER:-mysql2}
DATABASE_HOST=${DATABASE_HOST:-${MYSQL_PORT_3306_TCP_ADDR}}
DATABASE_PORT=${DATABASE_PORT:-${MYSQL_PORT_3306_TCP_PORT:-3306}}
elif [[ -n "${POSTGRES_PORT_5432_TCP_ADDR}" || ("${DATABASE_ADAPTER}" == "postgresql" && -n "${DATABASE_HOST}") ]]; then
DATABASE_ADAPTER=${DATABASE_ADAPTER:-postgresql}
DATABASE_HOST=${DATABASE_HOST:-${POSTGRES_PORT_5432_TCP_ADDR}}
DATABASE_PORT=${DATABASE_PORT:-${POSTGRES_PORT_5432_TCP_PORT:-5432}}
else
START_MYSQL=${START_MYSQL:-true}
DATABASE_ADAPTER=${DATABASE_ADAPTER:-mysql2}
fi
USE_GRAPHVIZ_DOT=${HUGINN_USE_GRAPHVIZ_DOT:-${USE_GRAPHVIZ_DOT:-dot}}
DATABASE_HOST=${HUGINN_DATABASE_HOST:-${DATABASE_HOST:-localhost}}
DATABASE_PORT=${HUGINN_DATABASE_PORT:-${DATABASE_PORT}}
case "$DATABASE_ADAPTER" in
mysql*)
DATABASE_ENCODING=${HUGINN_DATABASE_ENCODING:-${DATABASE_ENCODING:-utf8mb4}} ;;
*)
DATABASE_ENCODING=${HUGINN_DATABASE_ENCODING:-${DATABASE_ENCODING:-utf8}} ;;
esac
DATABASE_USERNAME=${HUGINN_DATABASE_USERNAME:-${DATABASE_USERNAME}}
DATABASE_PASSWORD=${HUGINN_DATABASE_PASSWORD:-${DATABASE_PASSWORD:-password}}
DATABASE_NAME=${HUGINN_DATABASE_NAME:-${DATABASE_NAME:-huginn_production}}
RAILS_ENV=${HUGINN_RAILS_ENV:-${RAILS_ENV:-production}}
RAILS_LOG_TO_STDOUT=${RAILS_LOG_TO_STDOUT:-true}
RAILS_SERVE_STATIC_FILES=${RAILS_SERVE_STATIC_FILES:-true}
IP="${IP:-0.0.0.0}"
PORT=${HUGINN_PORT:-${PORT:-3000}}
PORT="$(echo $PORT|awk -F ':' '{print $NF}')"
HUGINN_PORT=${PORT}
cp -a /app/.env.example /tmp/
# Do we have a Rails secret yet?
# If not, generate one, but persist it for the container's lifetime.
if [ -z "$APP_SECRET_TOKEN" ] && grep -q ^APP_SECRET_TOKEN=REPLACE_ME_NOW /tmp/.env.example; then
[ -e '/tmp/secret' ] && secret="$(cat /tmp/secret)"
if [ -z "$secret" ]; then
echo 'Generating random APP_SECRET_TOKEN.'
secret=$(dd if=/dev/urandom bs=36 count=1 | openssl base64)
echo "$secret" > /tmp/secret
fi
sed -i "s:REPLACE_ME_NOW!:$secret:" /tmp/.env.example
fi
# Add ENV variables to .env.example which are not present in it but usable
cat >> /tmp/.env.example <<EOF
ASSET_HOST=
DEFAULT_SCENARIO_FILE=
IP=
RAILS_ENV=
RAILS_LOG_TO_STDOUT=
RAILS_SERVE_STATIC_FILES=
SEED_EMAIL=
SEED_PASSWORD=
SEED_USERNAME=
SMTP_OPENSSL_CA_FILE=
SMTP_OPENSSL_CA_PATH=
SMTP_OPENSSL_VERIFY_MODE=
START_MYSQL=
EOF
[ -e '/app/.env' ] && cat /app/.env >> /tmp/.env.example
quote_if_necessary() {
if grep -q -E -e '^".*" *$' -e "^'.*' *$" <<<"$*"; then
# preserve single or double quotes if they are provided
echo "$*";
else
# otherwise double quote the string after escaping \, $, `
echo "\"$(sed -e 's/\\/\\\\/g' -e 's/\$/\\\$/g' -e 's/`/\\`/g' <<<"$*")\""
fi
}
# Default to the environment variable values set in .env.example
sed -n -r -e 's/^#?([A-Za-z0-9_]+=.*)/\1/p' /tmp/.env.example | \
while IFS='=' read var value ; do
huginn_var="HUGINN_$var"
val="${!huginn_var:-${!var:-$value}}"
echo "$var=$(quote_if_necessary $val)"
done > /tmp/.env
source /tmp/.env
if [ "${START_MYSQL}" = "true" ]; then
echo 'DATABASE_SOCKET=/app/tmp/sockets/mysqld.sock' >> /tmp/.env
DATABASE_SOCKET='/app/tmp/sockets/mysqld.sock'
fi
[ -e '/app/.env' ] || cp -a /tmp/.env /app/
chmod ugo+r /app/.env
rm -f /tmp/.env.example
# use default port number if it is still not set
case "${DATABASE_ADAPTER}" in
mysql2) DATABASE_PORT=${DATABASE_PORT:-3306} ;;
postgresql) DATABASE_PORT=${DATABASE_PORT:-5432} ;;
*) echo "Unsupported database adapter. Available adapters are mysql2, and postgresql." && exit 1 ;;
esac
bundle config set --local path vendor/bundle
bundle config set --local without 'test development'
bundle install
# Configure the unicorn server
sed -r config/unicorn.rb.example \
-e "s/^ *listen .+/listen '$IP:$PORT'/" \
-e 's;^ *stderr_path .+;stderr_path "/dev/stderr";' \
-e 's;^ *stdout_path .+;stdout_path "/dev/stdout";' \
-e '/^ *pid .+/d' > config/unicorn.rb
mkdir -p tmp/pids tmp/cache tmp/sockets log