2014-11-10 17:07:46 +01:00

134 lines
4.9 KiB
Python

# This file is part of Indico.
# Copyright (C) 2002 - 2014 European Organization for Nuclear Research (CERN).
#
# Indico is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# Indico is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Indico; if not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import transaction
from flask_pluginengine import current_plugin
from flask_script import Manager
from terminaltables import AsciiTable
from indico.core.db import db, DBMgr
from indico.core.db.sqlalchemy.util.session import update_session_options
from indico.util.console import cformat, conferenceHolderIterator
from MaKaC.conference import ConferenceHolder
from indico_livesync.models.agents import LiveSyncAgent
cli_manager = Manager(usage="Manages LiveSync")
@cli_manager.command
def available_agents():
"""Lists the currently available agent types"""
print 'The following LiveSync agents are available:'
for name, agent_class in current_plugin.agent_classes.iteritems():
print cformat(' - %{white!}{}%{reset}: {} ({})').format(name, agent_class.title, agent_class.description)
@cli_manager.command
def agents():
"""Lists the currently active agents"""
print 'The following LiveSync agents are active:'
agent_list = LiveSyncAgent.find().order_by(LiveSyncAgent.backend_name, db.func.lower(LiveSyncAgent.name)).all()
table_data = [['ID', 'Name', 'Backend', 'Initial Export', 'Queue']]
for agent in agent_list:
initial = (cformat('%{green!}done%{reset}') if agent.initial_data_exported else
cformat('%{yellow!}pending%{reset}'))
table_data.append([unicode(agent.id), agent.name, agent.backend.title, initial, unicode(agent.queue.count())])
table = AsciiTable(table_data)
table.justify_columns[4] = 'right'
print table.table
if not all(a.initial_data_exported for a in agent_list):
print
print "You need to perform the initial data export for some agents."
print cformat("To do so, run "
"%{yellow!}indico livesync initial_export %{reset}%{yellow}<agent_id>%{reset} for those agents.")
@cli_manager.option('agent_id')
@cli_manager.option('--force', action='store_true')
def initial_export(agent_id, force=False):
"""Performs the initial data export for an agent"""
update_session_options(db)
agent = LiveSyncAgent.find_first(id=int(agent_id))
if agent is None:
print 'No such agent'
return
print cformat('Selected agent: %{white!}{}%{reset} ({})').format(agent.name, agent.backend.title)
if agent.initial_data_exported and not force:
print 'The initial export has already been performed for this agent.'
print cformat('To re-run it, use %{yellow!}--force%{reset}')
return
def _iter_events():
for i, (_, event) in enumerate(conferenceHolderIterator(ConferenceHolder(), deepness='event'), 1):
yield event
if i % 1000 == 0:
# Clean local ZEO cache
transaction.abort()
with DBMgr.getInstance().global_connection():
agent.backend(agent).run_initial_export(_iter_events())
agent.initial_data_exported = True
db.session.commit()
@cli_manager.command
def create_agent(agent_type, name=None):
"""Creates a new agent"""
update_session_options(db)
try:
agent_class = current_plugin.agent_classes[agent_type]
except KeyError:
print 'No such agent type'
return
# TODO: Prompt for agent type specific settings
agent = LiveSyncAgent(backend_name=agent_type, name=name or agent_class.title)
db.session.add(agent)
db.session.commit()
print agent
# TODO: delete_agent, update_agent, create_task
@cli_manager.command
def run(agent_id=None):
"""Runs the livesync agent"""
update_session_options(db)
if agent_id is None:
agent_list = LiveSyncAgent.find_all()
else:
agent = LiveSyncAgent.find_first(id=int(agent_id))
if agent is None:
print 'No such agent'
return
agent_list = [agent]
for agent in agent_list:
if not agent.initial_data_exported:
print cformat('Skipping agent: %{red!}{}%{reset} (initial export not performed)').format(agent.name)
continue
print cformat('Running agent: %{white!}{}%{reset}').format(agent.name)
with DBMgr.getInstance().global_connection():
try:
agent.backend(agent).run()
finally:
transaction.abort()