lambda

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import logging
import os

import click

import aws_lambda

CURRENT_DIR = os.getcwd()

logging.getLogger('pip').setLevel(logging.CRITICAL)


@click.group()
def cli():
    pass


@click.command(help='Create a new function for Lambda.')
@click.option(
    '--minimal',
    default=False,
    is_flag=True,
    help='Exclude any unnecessary template files',
)
@click.argument(
    'folder', nargs=-1,
    type=click.Path(file_okay=False, writable=True),
)
def init(folder, minimal):
    path = CURRENT_DIR
    if len(folder) > 0:
        path = os.path.join(CURRENT_DIR, *folder)
        if not os.path.exists(path):
            os.makedirs(path)
    aws_lambda.init(path, minimal=minimal)


@click.command(help='Bundles package for deployment.')
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option(
    '--requirements',
    default=None,
    type=click.Path(),
    help='Install packages from supplied requirements file.',
)
@click.option(
    '--local-package',
    default=None,
    type=click.Path(),
    help='Install local package as well.',
    multiple=True,
)
def build(requirements, local_package, config_file, profile):
    aws_lambda.build(
        CURRENT_DIR,
        requirements=requirements,
        local_package=local_package,
        config_file=config_file,
        profile_name=profile,
    )


@click.command(help='Run a local test of your function.')
@click.option(
    '--event-file',
    default='event.json',
    help='Alternate event file.',
)
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option('--verbose', '-v', is_flag=True)
def invoke(event_file, config_file, profile, verbose):
    aws_lambda.invoke(
        CURRENT_DIR,
        event_file=event_file,
        config_file=config_file,
        profile_name=profile,
        verbose=verbose,
    )


@click.command(help='Register and deploy your code to lambda.')
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option(
    '--requirements',
    default=None,
    type=click.Path(),
    help='Install all packages defined in supplied requirements file',
)
@click.option(
    '--local-package',
    default=None,
    type=click.Path(),
    help='Install local package as well.',
    multiple=True,
)
@click.option(
    '--preserve-vpc',
    default=False,
    is_flag=True,
    help='Preserve VPC configuration on existing functions',
)
def deploy(requirements, local_package, config_file, profile, preserve_vpc):
    aws_lambda.deploy(
        CURRENT_DIR,
        requirements=requirements,
        local_package=local_package,
        config_file=config_file,
        profile_name=profile,
        preserve_vpc=preserve_vpc,
    )


@click.command(help='Upload your lambda to S3.')
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option(
    '--requirements',
    default=None,
    type=click.Path(),
    help='Install all packages defined in supplied requirements file',
)
@click.option(
    '--local-package',
    default=None,
    type=click.Path(),
    help='Install local package as well.',
    multiple=True,
)
def upload(requirements, local_package, config_file, profile):
    aws_lambda.upload(
        CURRENT_DIR,
        requirements=requirements,
        local_package=local_package,
        config_file=config_file,
        profile_name=profile,
    )


@click.command(help='Deploy your lambda via S3.')
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option(
    '--requirements',
    default=None,
    type=click.Path(),
    help='Install all packages defined in supplied requirements file',
)
@click.option(
    '--local-package',
    default=None,
    type=click.Path(),
    multiple=True,
    help='Install local package as well.',
)
def deploy_s3(requirements, local_package, config_file, profile):
    aws_lambda.deploy_s3(
        CURRENT_DIR,
        requirements=requirements,
        local_package=local_package,
        config_file=config_file,
        profile_name=profile,
    )


@click.command(help='Delete old versions of your functions')
@click.option(
    '--config-file',
    default='config.yaml',
    help='Alternate config file.',
)
@click.option(
    '--profile',
    help='AWS profile to use.',
)
@click.option(
    '--keep-last',
    type=int,
    prompt='Please enter the number of recent versions to keep',
)
def cleanup(keep_last, config_file, profile):
    aws_lambda.cleanup_old_versions(
        CURRENT_DIR,
        keep_last,
        config_file=config_file,
        profile_name=profile,
    )


if __name__ == '__main__':
    cli.add_command(init)
    cli.add_command(invoke)
    cli.add_command(deploy)
    cli.add_command(upload)
    cli.add_command(deploy_s3)
    cli.add_command(build)
    cli.add_command(cleanup)
    cli()