import os
import shutil

import bcrypt

from conpeek_setup import util


def run(config):
    util.print_black_light("Preparing metrics file")
    output_directory = os.path.join(util.get_output_path(), "metrics")
    template_env_directory = os.path.join(util.get_templates_path(), "metrics")

    shutil.rmtree(output_directory, ignore_errors=True)
    os.makedirs(output_directory, exist_ok=True)

    util.copy_file(os.path.join(template_env_directory, "node_exporter.yml"), output_directory)
    hashed_password = bcrypt.hashpw(config["machine_secrets"]["prometheus_password"].encode("utf-8"), bcrypt.gensalt()).decode()

    util.basic_on_location_sed(os.path.join(output_directory, "node_exporter.yml"), 'PROMETHEUS_PASSWORD', hashed_password)