#!/bin/bash

# In dev environments this file is missing and useless
test -f /opt/app-root/etc/generate_container_user && source /opt/app-root/etc/generate_container_user

# Stop as soon as an error occurs
set -e

# Default values are set here
export "LOG_LEVEL=${LOG_LEVEL:=info}"
export "NGINX_CONF=${NGINX_CONF:=/opt/app-root/etc/}"
export "BACKEND_ENDPOINT_OVERRIDE=${BACKEND_ENDPOINT_OVERRIDE:=https://su1.3scale.net}"
export "SSO_REALMS=${SSO_REALMS:=3scale}"
export "SSO_CLIENT_ID=${SSO_CLIENT_ID:=admin-cli}"

# Process the environment variables in the nginx configuration file
if [ -f "$NGINX_CONF/nginx.env.conf" ]; then
  envsubst '$LOG_LEVEL:$RESOLVER:$APP_ROOT:$SSO_SERVICE_HOSTNAME:$PROXY_ROUTE_HOSTNAME:$PROXY_ROUTE_HOSTNAME:$BACKEND_ENDPOINT_OVERRIDE:$THREESCALE_PORTAL_ENDPOINT:$SSO_REALMS:$THREESCALE_SERVICE_TOKEN:$THREESCALE_SERVICE_ID:$THREESCALE_ACCESS_TOKEN:$SSO_SERVICE_USERNAME:$SSO_SERVICE_PASSWORD:$SSO_CLIENT_ID' < "$NGINX_CONF/nginx.env.conf" > "$NGINX_CONF/nginx.conf"
fi

# Run openresty with our custom config file
exec openresty -g "daemon off;" -c "$NGINX_CONF/nginx.conf"