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# -*- coding: utf-8 -*- |
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# Apache Software License 2.0 |
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# |
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# Copyright (c) 2018, Christophe Duong |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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""" |
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CLI module for Airflow related commands. |
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""" |
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import logging |
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from os.path import expanduser |
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from os.path import join |
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import click |
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from aiscalator import __version__ |
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from aiscalator.airflow import command |
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from aiscalator.core.config import AiscalatorConfig |
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@click.group() |
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@click.version_option(version=__version__) |
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def airflow(): |
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"""Author workflow DAGs and run tasks on schedule.""" |
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@airflow.command() |
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@click.version_option(version=__version__) |
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@click.option('-d', '--config-home', 'config_home', |
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default=join(expanduser("~"), '.aiscalator'), |
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help="Redefine the location of the application home directory.") |
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@click.option('--append/--replace', 'append', default=False) |
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@click.argument('workspace', nargs=-1, required=True, |
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type=click.Path()) |
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def setup(config_home, append, workspace): |
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"""Setup interactively the Airflow home folder and configurations.""" |
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click.echo(command.airflow_setup(AiscalatorConfig(), |
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config_home, workspace, |
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append=append)) |
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@airflow.command() |
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@click.version_option(version=__version__) |
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def update(): |
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""" |
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Checks and tries to update the current docker image |
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to run airflow to a newer version. |
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Initiates a docker pull of the latest images we are depending on |
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and build the next aiscalator images from there. |
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Before replacing the version tags in the Dockerfile, we make sure |
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to do a maximum in the background while still having a working |
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image in the meantime. |
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""" |
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# TODO to implement |
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logging.error("Not implemented yet") |
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@airflow.command() |
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@click.version_option(version=__version__) |
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def start(): |
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"""Start docker images to bring airflow services up.""" |
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click.echo(command.airflow_up(AiscalatorConfig())) |
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click.echo(""" |
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Airflow: http://localhost:8080 |
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Flower: http://localhost:5555 |
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""") |
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@airflow.command() |
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@click.version_option(version=__version__) |
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def stop(): |
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"""Stop docker images to bring airflow services down.""" |
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click.echo(command.airflow_down(AiscalatorConfig())) |
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@airflow.command() |
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@click.option("-s", "--service", default="webserver", |
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help='Run subcommand in docker service (default webserver)', |
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metavar='<service>') |
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@click.argument('subcommand', nargs=-1, required=True) |
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@click.version_option(version=__version__) |
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def run(service, subcommand): |
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"""Run sub-command in a running docker service.""" |
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if not subcommand: |
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subcommand = None |
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click.echo(command.airflow_cmd(AiscalatorConfig(), |
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service=service, cmd=subcommand)) |
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# TODO CLI to scale celery workers |
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# docker-compose -f docker-compose-CeleryExecutor.yml scale worker=5 |
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@airflow.command() |
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@click.option('--name', prompt='What is the name of your dag?', |
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help="Name of the new dag to create", |
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metavar='<DAG>') |
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@click.option('-f', '--format', 'output_format', |
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help="format of the configuration file (default is hocon)", |
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type=click.Choice(['json', 'hocon']), |
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default='hocon') |
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@click.argument('path', type=click.Path()) |
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@click.version_option(version=__version__) |
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def new(name, output_format, path): |
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"""Create a new DAG job""" |
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# TODO to implement |
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logging.error("Not implemented yet %s %s %s", |
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name, output_format, path) |
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View Code Duplication |
@airflow.command() |
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@click.argument('conf', type=click.Path(exists=True)) |
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@click.argument('notebook', nargs=-1) |
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@click.version_option(version=__version__) |
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def edit(conf, notebook): |
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"""Edit DAG job""" |
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if len(notebook) < 2: |
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notebook = notebook[0] if notebook else None |
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app_config = AiscalatorConfig(config=conf, |
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dag_selection=notebook) |
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click.echo(command.airflow_edit(app_config)) |
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else: |
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raise click.BadArgumentUsage("Expecting one or less notebook names") |
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View Code Duplication |
@airflow.command() |
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@click.argument('conf', type=click.Path(exists=True)) |
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@click.argument('notebook', nargs=-1) |
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@click.version_option(version=__version__) |
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def push(conf, notebook): |
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"""Push a job into the DAGS folder to schedule in Airflow.""" |
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if notebook: |
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for note in notebook: |
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app_config = AiscalatorConfig(config=conf, |
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dag_selection=note) |
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click.echo(command.airflow_push(app_config)) |
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else: |
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app_config = AiscalatorConfig(config=conf) |
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click.echo(command.airflow_push(app_config)) |
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Aiscalate /
aiscalator
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