def install()

in subcommands/install.py [0:0]

• 33 lines of code
• 10 McCabe index (conditional complexity)

def install(config_manager, output_dir, dryrun, update_repo):
    """Create the final configuration for the helm charts and Kubernetes resources
    and install them to Kubernetes, if not run in --dryrun mode.

    Arguments:
        config_manager {AbstractConfigManager} -- ConfigManager that contains the
          configuration of the monitoring setup to be uninstalled.
        output_dir {string} -- Path to the directory where the generated files
          should be safed in
        dryrun {boolean} -- Whether the installation will be run in dryrun mode
        update_repo {boolean} -- Whether to update the helm repositories locally
    """
    config = config_manager.get_config()

    if not os.path.exists(output_dir):
        os.mkdir(output_dir)
    elif os.listdir(output_dir):
        while True:
            response = input(
                (
                    "Output directory already exists. This may lead to file conflicts "
                    "and unwanted configuration applied to the cluster. Do you want "
                    "to empty the directory? [y/n] "
                )
            )
            if response == "y":
                shutil.rmtree(output_dir)
                os.mkdir(output_dir)
                break
            if response == "n":
                print("Aborting installation. Please provide empty directory.")
                sys.exit(1)
            print("Unknown input.")

    _run_ytt(config, output_dir)

    namespace = config_manager.get_config()["namespace"]
    _create_dashboard_configmaps(output_dir, namespace)

    if os.path.exists(os.path.join(output_dir, "promtailLocalConfig.yaml")):
        _create_promtail_configs(config, output_dir)
        if not dryrun:
            _download_promtail(output_dir)

    if not dryrun:
        if update_repo:
            _update_helm_repos()
        _deploy_loose_resources(output_dir)
        _install_or_update_charts(output_dir, namespace)