openvidu_coturn

#!/bin/bash
echo_help () {
    echo "coturn help"
    echo "Examples: "
    echo "  - ./openvidu_coturn --start"
    echo "      Start coturn service"
    echo ""
    echo "  - ./openvidu_coturn --stop"
    echo "      Stop coturn service"
    echo ""
    echo "  - ./openvidu_coturn --restart"
    echo "      Restart coturn service"
    echo ""
    echo "  - ./openvidu_coturn --logs"
    echo "      Follow all logs"
    echo ""
}

fatal_error() {
    printf "\n     =======¡ERROR!======="
    printf "\n     %s" "$1"
    printf "\n"
    exit 1
}

prepare_config_files() {
    echo "Preparing configuration files..."

    # Load environment variables
    export $(grep -v '^#' .env | xargs)

    # Check all required variables
    [[ -n "${LETSENCRYPT_EMAIL}" ]] || fatal_error "LETSENCRYPT_EMAIL must be defined"
    [[ -n "${COTURN_DOMAIN_NAME}" ]] || fatal_error "COTURN_DOMAIN_NAME must be defined"
    [[ -n "${TURN_USERNAME}" ]] || fatal_error "TURN_USERNAME must be defined"
    [[ -n "${TURN_PASSWORD}" ]] || fatal_error "TURN_PASSWORD must be defined"

}

# Dependencies check
if ! command -v docker &> /dev/null
then
    echo "'docker' could not be found. You need to install 'docker' and 'docker-compose'"
    exit 1
fi
if ! command -v docker-compose &> /dev/null
then
    echo "'docker-compose' could not be found. You need to install 'docker' and 'docker-compose'"
    exit 1
fi

OPTION=$1

if [[ "${OPTION}" == "--start" ]]; then
    echo ""
    echo "==========================================="
    echo "Starting Coturn"
    echo "==========================================="
    echo ""
    prepare_config_files || exit 1

    docker-compose up -d certbot || exit 1
    until [ -f "${PWD}"/certbot/etc/letsencrypt/live/"${COTURN_DOMAIN_NAME}"/cert.pem ]
    do
        sleep 5
    done
    docker-compose up -d coturn || exit 1
    docker-compose logs -f

elif [[ "${OPTION}" == "--stop" ]]; then
    docker-compose down || exit 1
elif [[ "${OPTION}" == "--restart" ]]; then
    docker-compose down || exit 1
    prepare_config_files || exit 1
    docker-compose up -d certbot || exit 1
    until [ -f "${PWD}"/certbot/etc/letsencrypt/live/"${COTURN_DOMAIN_NAME}"/cert.pem ]
    do
        sleep 5
    done
    docker-compose up -d coturn || exit 1
    docker-compose logs -f
elif [[ "${OPTION}" == "--logs" ]]; then
    docker-compose logs -f
else
    echo_help
fi