示例#1
0
def _main(
    inventory,
    operations,
    verbosity,
    chdir,
    ssh_user,
    ssh_port,
    ssh_key,
    ssh_key_password,
    ssh_password,
    winrm_username,
    winrm_password,
    winrm_port,
    winrm_transport,
    shell_executable,
    sudo,
    sudo_user,
    use_sudo_password,
    su_user,
    parallel,
    fail_percent,
    data,
    group_data,
    config_filename,
    dry,
    limit,
    no_wait,
    serial,
    quiet,
    debug,
    debug_facts,
    debug_operations,
    support=None,
):
    # Setup working directory
    #

    if chdir:
        os_chdir(chdir)

    # Setup logging
    #

    if not debug and not sys.warnoptions:
        warnings.simplefilter("ignore")

    log_level = logging.INFO
    if debug:
        log_level = logging.DEBUG
    elif quiet:
        log_level = logging.WARNING

    setup_logging(log_level)

    # Bootstrap any virtualenv
    init_virtualenv()

    #  Check operations are valid and setup command
    #

    # Make a copy before we overwrite
    original_operations = operations

    # Debug (print) inventory + group data
    if operations[0] == "debug-inventory":
        command = "debug-inventory"

    # Get one or more facts
    elif operations[0] == "fact":
        command = "fact"
        operations = get_facts_and_args(operations[1:])

    # Execute a raw command with server.shell
    elif operations[0] == "exec":
        command = "exec"
        operations = operations[1:]

    # Execute one or more deploy files
    elif all(cmd.endswith(".py") for cmd in operations):
        command = "deploy"

        filenames = []

        for filename in operations[0:]:
            if path.exists(filename):
                filenames.append(filename)
                continue
            if chdir and filename.startswith(chdir):
                correct_filename = path.relpath(filename, chdir)
                logger.warning(
                    (
                        "Fixing deploy filename under `--chdir` argument: "
                        f"{filename} -> {correct_filename}"
                    ),
                )
                filenames.append(correct_filename)
                continue
            raise CliError(
                "No deploy file: {0}".format(
                    path.join(chdir, filename) if chdir else filename,
                ),
            )

        operations = filenames

    # Operation w/optional args (<module>.<op> ARG1 ARG2 ...)
    elif len(operations[0].split(".")) == 2:
        command = "op"
        operations = get_operation_and_args(operations)

    else:
        raise CliError(
            """Invalid operations: {0}

    Operation usage:
    pyinfra INVENTORY deploy_web.py [deploy_db.py]...
    pyinfra INVENTORY server.user pyinfra home=/home/pyinfra
    pyinfra INVENTORY exec -- echo "hello world"
    pyinfra INVENTORY fact os [users]...""".format(
                operations,
            ),
        )

    # Setup state, config & inventory
    #

    cwd = getcwd()
    if cwd not in sys.path:  # ensure cwd is present in sys.path
        sys.path.append(cwd)

    state = State()
    state.cwd = cwd
    ctx_state.set(state)

    if verbosity > 0:
        state.print_fact_info = True
        state.print_noop_info = True

    if verbosity > 1:
        state.print_input = state.print_fact_input = True

    if verbosity > 2:
        state.print_output = state.print_fact_output = True

    if not quiet:
        click.echo("--> Loading config...", err=True)

    config = Config()
    ctx_config.set(config)

    # Load up any config.py from the filesystem
    config_filename = path.join(state.cwd, config_filename)
    if path.exists(config_filename):
        exec_file(config_filename)

    # Lock the current config, this allows us to restore this version after
    # executing deploy files that may alter them.
    config.lock_current_state()

    # Arg based config overrides
    if sudo:
        config.SUDO = True
        if sudo_user:
            config.SUDO_USER = sudo_user

    if use_sudo_password:
        config.USE_SUDO_PASSWORD = use_sudo_password

    if su_user:
        config.SU_USER = su_user

    if parallel:
        config.PARALLEL = parallel

    if shell_executable:
        config.SHELL = None if shell_executable in ("None", "null") else shell_executable

    if fail_percent is not None:
        config.FAIL_PERCENT = fail_percent

    if not quiet:
        click.echo("--> Loading inventory...", err=True)

    override_data = {}

    for arg in data:
        key, value = arg.split("=", 1)
        override_data[key] = value

    override_data = {key: parse_cli_arg(value) for key, value in override_data.items()}

    for key, value in (
        ("ssh_user", ssh_user),
        ("ssh_key", ssh_key),
        ("ssh_key_password", ssh_key_password),
        ("ssh_port", ssh_port),
        ("ssh_password", ssh_password),
        ("winrm_username", winrm_username),
        ("winrm_password", winrm_password),
        ("winrm_port", winrm_port),
        ("winrm_transport", winrm_transport),
    ):
        if value:
            override_data[key] = value

    # Load up the inventory from the filesystem
    inventory, inventory_group = make_inventory(
        inventory,
        cwd=state.cwd,
        override_data=override_data,
        group_data_directories=group_data,
    )
    ctx_inventory.set(inventory)

    # Now that we have inventory, apply --limit config override
    initial_limit = None
    if limit:
        all_limit_hosts = []

        for limiter in limit:
            try:
                limit_hosts = inventory.get_group(limiter)
            except NoGroupError:
                limit_hosts = [host for host in inventory if fnmatch(host.name, limiter)]

            if not limit_hosts:
                logger.warning("No host matches found for --limit pattern: {0}".format(limiter))

            all_limit_hosts.extend(limit_hosts)
        initial_limit = list(set(all_limit_hosts))

    # Initialise the state
    state.init(inventory, config, initial_limit=initial_limit)

    if command == "debug-inventory":
        print_inventory(state)
        _exit()

    # Connect to the hosts & start handling the user commands
    #

    if not quiet:
        click.echo(err=True)
        click.echo("--> Connecting to hosts...", err=True)

    connect_all(state)

    if command == "fact":
        if not quiet:
            click.echo(err=True)
            click.echo("--> Gathering facts...", err=True)

        state.print_fact_info = True
        fact_data = {}

        for i, command in enumerate(operations):
            fact_cls, args, kwargs = command
            fact_key = fact_cls.name

            if args or kwargs:
                fact_key = "{0}{1}{2}".format(
                    fact_cls.name,
                    args or "",
                    " ({0})".format(get_kwargs_str(kwargs)) if kwargs else "",
                )

            try:
                fact_data[fact_key] = get_facts(
                    state,
                    fact_cls,
                    args=args,
                    kwargs=kwargs,
                    apply_failed_hosts=False,
                )
            except PyinfraError:
                pass

        print_facts(fact_data)
        _exit()

    if command == "exec":
        state.print_output = True
        add_op(
            state,
            server.shell,
            " ".join(operations),
            _allow_cli_mode=True,
        )

    elif command == "deploy":
        if not quiet:
            click.echo(err=True)
            click.echo("--> Preparing operations...", err=True)

        # Number of "steps" to make = number of files * number of hosts
        for i, filename in enumerate(operations):
            logger.info("Loading: {0}".format(click.style(filename, bold=True)))

            state.current_op_file_number = i
            load_deploy_file(state, filename)

            # Remove any config changes introduced by the deploy file & any includes
            config.reset_locked_state()

    elif command == "op":
        if not quiet:
            click.echo(err=True)
            click.echo("--> Preparing operation...", err=True)

        op, args = operations
        args, kwargs = args
        kwargs["_allow_cli_mode"] = True

        def print_host_ready(host):
            logger.info(
                "{0}{1} {2}".format(
                    host.print_prefix,
                    click.style("Ready:", "green"),
                    click.style(original_operations[0], bold=True),
                ),
            )

        kwargs["_after_host_callback"] = print_host_ready

        add_op(state, op, *args, **kwargs)

    # Print proposed changes, execute unless --dry, and exit
    #

    if not quiet:
        click.echo(err=True)
        click.echo("--> Proposed changes:", err=True)
    print_meta(state)

    # If --debug-facts or --debug-operations, print and exit
    if debug_facts or debug_operations:
        if debug_facts:
            print_state_facts(state)

        if debug_operations:
            print_state_operations(state)

        _exit()

    if dry:
        _exit()

    if not quiet:
        click.echo(err=True)

    if not quiet:
        click.echo("--> Beginning operation run...", err=True)
    run_ops(state, serial=serial, no_wait=no_wait)

    if not quiet:
        click.echo("--> Results:", err=True)
    print_results(state)

    _exit()