mirror of https://github.com/apache/superset.git
[CLI] adding 'superset flower' command (flower is a UI for Celery) (#2963)
* [CLI] adding 'superset flower' command (flower is a UI for Celery) * Addressing comments
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4
setup.py
4
setup.py
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@ -43,7 +43,8 @@ setup(
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scripts=['superset/bin/superset'],
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install_requires=[
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'boto3==1.4.4',
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'celery==3.1.23',
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'celery==3.1.25',
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'colorama==0.3.9',
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'cryptography==1.7.2',
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'flask-appbuilder==1.9.0',
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'flask-cache==0.13.1',
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@ -52,6 +53,7 @@ setup(
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'flask-sqlalchemy==2.1',
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'flask-testing==0.6.2',
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'flask-wtf==0.14.2',
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'flower==0.9.1',
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'future>=0.16.0, <0.17',
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'humanize==0.5.1',
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'gunicorn==19.7.1',
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@ -5,17 +5,18 @@ from __future__ import print_function
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from __future__ import unicode_literals
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import logging
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import celery
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from celery.bin import worker as celery_worker
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from datetime import datetime
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from subprocess import Popen
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from colorama import Fore, Style
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from flask_migrate import MigrateCommand
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from flask_script import Manager
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from superset import app, db, security
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from superset import app, db, security, utils
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config = app.config
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celery_app = utils.get_celery_app(config)
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manager = Manager(app)
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manager.add_command('db', MigrateCommand)
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@ -41,7 +42,8 @@ def init():
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'-p', '--port', default=config.get("SUPERSET_WEBSERVER_PORT"),
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help="Specify the port on which to run the web server")
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@manager.option(
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'-w', '--workers', default=config.get("SUPERSET_WORKERS", 2),
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'-w', '--workers',
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default=config.get("SUPERSET_WORKERS", 2),
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help="Number of gunicorn web server workers to fire up")
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@manager.option(
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'-t', '--timeout', default=config.get("SUPERSET_WEBSERVER_TIMEOUT"),
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@ -55,6 +57,13 @@ def runserver(debug, no_reload, address, port, timeout, workers, socket):
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"""Starts a Superset web server."""
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debug = debug or config.get("DEBUG")
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if debug:
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print(Fore.BLUE + '-=' * 20)
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print(
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Fore.YELLOW + "Starting Superset server in " +
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Fore.RED + "DEBUG" +
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Fore.YELLOW + " mode")
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print(Fore.BLUE + '-=' * 20)
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print(Style.RESET_ALL)
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app.run(
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host='0.0.0.0',
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port=int(port),
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@ -71,7 +80,9 @@ def runserver(debug, no_reload, address, port, timeout, workers, socket):
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"--limit-request-line 0 "
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"--limit-request-field_size 0 "
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"superset:app").format(**locals())
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print("Starting server with command: " + cmd)
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print(Fore.GREEN + "Starting server with command: ")
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print(Fore.YELLOW + cmd)
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print(Style.RESET_ALL)
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Popen(cmd, shell=True).wait()
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@ -80,14 +91,13 @@ def runserver(debug, no_reload, address, port, timeout, workers, socket):
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help="Show extra information")
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def version(verbose):
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"""Prints the current version number"""
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s = (
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"\n-----------------------\n"
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"Superset {version}\n"
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"-----------------------").format(
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version=config.get('VERSION_STRING'))
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print(s)
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print(Fore.BLUE + '-=' * 15)
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print(Fore.YELLOW + "Superset " + Fore.CYAN + "{version}".format(
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version=config.get('VERSION_STRING')))
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print(Fore.BLUE + '-=' * 15)
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if verbose:
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print("[DB] : " + "{}".format(db.engine))
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print(Style.RESET_ALL)
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@manager.option(
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@ -173,22 +183,43 @@ def update_datasources_cache():
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@manager.option(
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'-w', '--workers', default=config.get("SUPERSET_CELERY_WORKERS", 32),
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'-w', '--workers',
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type=int,
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help="Number of celery server workers to fire up")
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def worker(workers):
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"""Starts a Superset worker for async SQL query execution."""
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# celery -A tasks worker --loglevel=info
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print("Starting SQL Celery worker.")
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if config.get('CELERY_CONFIG'):
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print("Celery broker url: ")
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print(config.get('CELERY_CONFIG').BROKER_URL)
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if workers:
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celery_app.conf.update(CELERYD_CONCURRENCY=workers)
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elif config.get("SUPERSET_CELERY_WORKERS"):
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celery_app.conf.update(
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worker_concurrency=config.get("SUPERSET_CELERY_WORKERS"))
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application = celery.current_app._get_current_object()
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c_worker = celery_worker.worker(app=application)
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options = {
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'broker': config.get('CELERY_CONFIG').BROKER_URL,
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'loglevel': 'INFO',
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'traceback': True,
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'concurrency': int(workers),
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}
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c_worker.run(**options)
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worker = celery_worker.worker(app=celery_app)
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worker.run()
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@manager.option(
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'-p', '--port',
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default='5555',
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help=('Port on which to start the Flower process'))
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@manager.option(
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'-a', '--address',
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default='localhost',
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help=('Address on which to run the service'))
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def flower(port, address):
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"""Runs a Celery Flower web server
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Celery Flower is a UI to monitor the Celery operation on a given
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broker"""
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BROKER_URL = celery_app.conf.BROKER_URL
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cmd = (
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"celery flower "
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"--broker={BROKER_URL} "
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"--port={port} "
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"--address={address} "
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).format(**locals())
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print(Fore.GREEN + "Starting a Celery Flower instance")
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print(Fore.BLUE + '-=' * 40)
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print(Fore.YELLOW + cmd)
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print(Fore.BLUE + '-=' * 40)
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Popen(cmd, shell=True).wait()
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@ -16,9 +16,10 @@ from superset.models.sql_lab import Query
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from superset.sql_parse import SupersetQuery
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from superset.db_engine_specs import LimitMethod
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from superset.jinja_context import get_template_processor
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from superset.utils import QueryStatus
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from superset.utils import QueryStatus, get_celery_app
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celery_app = celery.Celery(config_source=app.config.get('CELERY_CONFIG'))
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config = app.config
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celery_app = get_celery_app(config)
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def dedup(l, suffix='__'):
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@ -21,6 +21,8 @@ import zlib
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from builtins import object
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from datetime import date, datetime, time
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import celery
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from dateutil.parser import parse
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from email.mime.text import MIMEText
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from email.mime.multipart import MIMEMultipart
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@ -622,3 +624,13 @@ def zlib_decompress_to_string(blob):
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decompressed = zlib.decompress(bytes(blob, "utf-8"))
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return decompressed.decode("utf-8")
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return zlib.decompress(blob)
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_celery_app = None
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def get_celery_app(config):
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global _celery_app
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if _celery_app:
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return _celery_app
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_celery_app = celery.Celery(config_source=config.get('CELERY_CONFIG'))
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return _celery_app
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