realms-wiki/realms/commands.py
Matthew Scragg 863de00a14 Fix #33 bug, thinking all users are anon
Fix bug in vagrantfile
Fix bug in db create/drop
Fix typo in cli
2014-11-11 11:35:09 -06:00

377 lines
8.9 KiB
Python

from realms import config, create_app, db, __version__, cli
from realms.lib.util import random_string, in_virtualenv, green, yellow, red
from subprocess import call, Popen
from multiprocessing import cpu_count
import click
import json
import sys
import os
import pip
import time
# called to discover commands in modules
app = create_app()
def get_user():
for name in ('SUDO_USER', 'LOGNAME', 'USER', 'LNAME', 'USERNAME'):
user = os.environ.get(name)
if user:
return user
def get_pid():
try:
with file(config.PIDFILE) as f:
return f.read().strip()
except IOError:
return None
def is_running(pid):
if not pid:
return False
pid = int(pid)
try:
os.kill(pid, 0)
except OSError:
return False
return True
def module_exists(module_name):
try:
__import__(module_name)
except ImportError:
return False
else:
return True
@cli.command()
@click.option('--site-title',
default=config.SITE_TITLE,
prompt='Enter site title.')
@click.option('--base_url',
default=config.BASE_URL,
prompt='Enter base URL.')
@click.option('--port',
default=config.PORT,
prompt='Enter port number.')
@click.option('--secret-key',
default=config.SECRET_KEY if config.SECRET_KEY != "CHANGE_ME" else random_string(64),
prompt='Enter secret key.')
@click.option('--wiki-path',
default=config.WIKI_PATH,
prompt='Enter wiki data directory.',
help='Wiki Directory (git repo)')
@click.option('--allow-anon',
default=config.ALLOW_ANON,
is_flag=True,
prompt='Allow anonymous edits?')
@click.option('--registration-enabled',
default=config.REGISTRATION_ENABLED,
is_flag=True,
prompt='Enable registration?')
@click.option('--cache-type',
default=config.CACHE_TYPE,
type=click.Choice([None, 'simple', 'redis', 'memcached']),
prompt='Cache type?')
@click.option('--db-uri',
default=config.DB_URI,
prompt='Database URI? Examples: http://goo.gl/RyW0cl')
@click.pass_context
def setup(ctx, **kw):
""" Start setup wizard
"""
try:
os.mkdir('/etc/realms-wiki')
except OSError:
pass
conf = {}
for k, v in kw.items():
conf[k.upper()] = v
conf_path = config.update(conf)
if conf['CACHE_TYPE'] == 'redis':
ctx.invoke(setup_redis)
elif conf['CACHE_TYPE'] == 'memcached':
ctx.invoke(setup_memcached)
green('Config saved to %s' % conf_path)
if not conf_path.startswith('/etc/realms-wiki'):
yellow('Note: You can move file to /etc/realms-wiki/realms-wiki.json')
click.echo()
yellow('Type "realms-wiki start" to start server')
yellow('Type "realms-wiki dev" to start server in development mode')
yellow('Full usage: realms-wiki --help')
@click.command()
@click.option('--cache-redis-host',
default=getattr(config, 'CACHE_REDIS_HOST', "127.0.0.1"),
prompt='Redis host')
@click.option('--cache-redis-port',
default=getattr(config, 'CACHE_REDIS_POST', 6379),
prompt='Redis port')
@click.option('--cache-redis-password',
default=getattr(config, 'CACHE_REDIS_PASSWORD', None),
prompt='Redis password')
@click.option('--cache-redis-db',
default=getattr(config, 'CACHE_REDIS_DB', 0),
prompt='Redis db')
def setup_redis(**kw):
conf = {}
for k, v in kw.items():
conf[k.upper()] = v
config.update(conf)
install_redis()
def get_prefix():
return sys.prefix
@cli.command(name='pip')
@click.argument('cmd', nargs=-1)
def pip_(cmd):
""" Execute pip commands, useful for virtualenvs
"""
pip.main(cmd)
def install_redis():
pip.main(['install', 'redis'])
def install_mysql():
pip.main(['install', 'MySQL-Python'])
def install_postgres():
pip.main(['install', 'psycopg2'])
def install_crate():
pip.main(['install', 'crate'])
def install_memcached():
pip.main(['install', 'python-memcached'])
@click.command()
@click.option('--cache-memcached-servers',
default=getattr(config, 'CACHE_MEMCACHED_SERVERS', ["127.0.0.1:11211"]),
type=click.STRING,
prompt='Memcached servers, separate with a space')
def setup_memcached(**kw):
conf = {}
for k, v in kw.items():
conf[k.upper()] = v
config.update(conf)
@cli.command()
@click.option('--user',
default=get_user(),
type=click.STRING,
prompt='Run as which user? (it must exist)')
@click.option('--port',
default=config.PORT,
type=click.INT,
prompt='What port to listen on?')
@click.option('--workers',
default=cpu_count() * 2 + 1,
type=click.INT,
prompt="Number of workers? (defaults to ncpu*2+1)")
def setup_upstart(**kwargs):
""" Start upstart conf creation wizard
"""
from realms.lib.util import upstart_script
if in_virtualenv():
app_dir = get_prefix()
path = '/'.join(sys.executable.split('/')[:-1])
else:
# Assumed root install, not sure if this matters?
app_dir = '/'
path = None
kwargs.update(dict(app_dir=app_dir, path=path))
conf_file = '/etc/init/realms-wiki.conf'
script = upstart_script(**kwargs)
try:
with open(conf_file, 'w') as f:
f.write(script)
green('Wrote file to %s' % conf_file)
except IOError:
with open('/tmp/realms-wiki.conf', 'w') as f:
f.write(script)
yellow("Wrote file to /tmp/realms-wiki.conf, to install type:")
yellow("sudo mv /tmp/realms-wiki.conf /etc/init/realms-wiki.conf")
click.echo()
click.echo("Upstart usage:")
green("sudo start realms-wiki")
green("sudo stop realms-wiki")
green("sudo restart realms-wiki")
green("sudo status realms-wiki")
@cli.command()
@click.argument('json_string')
def configure(json_string):
""" Set config, expects JSON encoded string
"""
try:
config.update(json.loads(json_string))
except ValueError, e:
red('Config value should be valid JSON')
@cli.command()
@click.option('--port', default=config.PORT)
def dev(port):
""" Run development server
"""
green("Starting development server")
config_path = config.get_path()
if config_path:
green("Using config: %s" % config_path)
else:
yellow("Using default configuration")
create_app().run(host="0.0.0.0",
port=port,
debug=True)
def start_server():
if is_running(get_pid()):
yellow("Server is already running")
return
flags = '--daemon --pid %s' % config.PIDFILE
green("Server started. Port: %s" % config.PORT)
config_path = config.get_path()
if config_path:
green("Using config: %s" % config_path)
else:
yellow("Using default configuration")
Popen("gunicorn 'realms:create_app()' -b 0.0.0.0:%s -k gevent %s" %
(config.PORT, flags), shell=True, executable='/bin/bash')
def stop_server():
pid = get_pid()
if not is_running(pid):
yellow("Server is not running")
else:
yellow("Shutting down server")
call(['kill', pid])
while is_running(pid):
time.sleep(1)
@cli.command()
def run():
""" Run production server (alias for start)
"""
start_server()
@cli.command()
def start():
""" Run server daemon
"""
start_server()
@cli.command()
def stop():
""" Stop server
"""
stop_server()
@cli.command()
def restart():
""" Restart server
"""
stop_server()
start_server()
@cli.command()
def status():
""" Get server status
"""
pid = get_pid()
if not is_running(pid):
yellow("Server is not running")
else:
green("Server is running PID: %s" % pid)
@cli.command()
def create_db():
""" Creates DB tables
"""
green("Creating all tables")
with app.app_context():
green('DB_URI: %s' % app.config.get('DB_URI'))
db.metadata.create_all(db.get_engine(app))
@cli.command()
@click.confirmation_option(help='Are you sure you want to drop the db?')
def drop_db():
""" Drops DB tables
"""
yellow("Dropping all tables")
with app.app_context():
db.metadata.drop_all(db.get_engine(app))
@cli.command()
def test():
""" Run tests
"""
for mod in [('flask.ext.testing', 'Flask-Testing'), ('nose', 'nose'), ('blinker', 'blinker')]:
if not module_exists(mod[0]):
pip.main(['install', mod[1]])
nosetests = get_prefix() + "/bin/nosetests" if in_virtualenv() else "nosetests"
call([nosetests, 'realms'])
@cli.command()
def version():
""" Output version
"""
green(__version__)
if __name__ == '__main__':
cli()