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Steve Schnepp
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154
plugins/celery/celery_tasks
Executable file
154
plugins/celery/celery_tasks
Executable file
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#!/usr/bin/env python
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"""=cut
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=head1 NAME
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celery_tasks_states - Munin plugin to monitor the number of Celery tasks in each state.
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=head1 REQUIREMENTS
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- Python
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- celery (http://celeryproject.org/)
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- celerymon (http://github.com/ask/celerymon)
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Note: don't forget to enable sending of the events on the celery daemon - run it with the --events option
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=head1 CONFIGURATION
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Default configuration:
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[celery_tasks_states]
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env.api_url http://localhost:8989
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env.workers all
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If workers variable is not set or set to "all", task number for all the workers is monitored.
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You can optionally set the workers variable to the string of hostnames you want to monitor separated by a comma.
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For example:
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[celery_tasks]
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env.workers localhost,foo.bar.net,bar.foo.net
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This would only monitor the number of tasks for the workers with the hostnames "localhost", "foo.bar.net" and "bar.foo.net"
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=head1 MAGIC MARKERS
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#%# family=manual
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#%# capabilities=autoconf
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=head1 AUTHOR
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Tomaz Muraus (http://github.com/Kami/munin-celery)
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=head1 LICENSE
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GPLv2
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=cut"""
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import os
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import sys
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import urllib
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try:
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import json
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except:
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import simplejson as json
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API_URL = 'http://localhost:8989'
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URL_ENDPOINTS = {
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'workers': '/api/worker/',
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'worker_tasks': '/api/worker/%s/tasks',
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'tasks': '/api/task/',
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'task_names': '/api/task/name/',
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'task_details': '/api/task/name/%s',
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}
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TASK_STATES = (
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'task-accepted',
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'task-received',
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'task-succeeded',
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'task-failed',
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'task-retried',
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)
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def get_data(what, api_url, *args):
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try:
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request = urllib.urlopen('%s%s' % (api_url, \
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URL_ENDPOINTS[what] % (args)))
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response = request.read()
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return json.loads(response)
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except IOError:
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print 'Could not connect to the celerymon webserver'
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sys.exit(-1)
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def check_web_server_status(api_url):
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try:
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request = urllib.urlopen(api_url)
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response = request.read()
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except IOError:
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print 'Could not connect to the celerymon webserver'
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sys.exit(-1)
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def clean_state_name(state_name):
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return state_name.replace('task-', '')
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# Config
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def print_config(workers = None):
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if workers:
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print 'graph_title Celery tasks in each state [workers = %s]' % (', ' . join(workers))
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else:
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print 'graph_title Celery tasks in each state'
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print 'graph_args --lower-limit 0'
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print 'graph_scale no'
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print 'graph_vlabel tasks per ${graph_period}'
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print 'graph_category celery'
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for name in TASK_STATES:
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name = clean_state_name(name)
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print '%s.label %s' % (name, name)
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print '%s.type DERIVE' % (name)
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print '%s.min 0' % (name)
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print '%s.info number of %s tasks' % (name, name)
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# Values
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def print_values(workers = None, api_url = None):
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data = get_data('tasks', api_url)
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counters = dict([(key, 0) for key in TASK_STATES])
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for task_name, task_data in data.iteritems():
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for entry in task_data:
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if not entry.get('state', None):
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continue
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state = entry.get('state', None)
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hostname = entry.get('hostname', None)
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if workers and hostname not in workers:
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continue
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counters[state] += 1
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for name in TASK_STATES:
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name_cleaned = clean_state_name(name)
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value = counters[name]
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print '%s.value %d' % (name_cleaned, value)
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if __name__ == '__main__':
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workers = os.environ.get('workers', 'all')
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api_url = os.environ.get('api_url', API_URL)
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check_web_server_status(api_url)
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if workers in [None, '', 'all']:
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workers = None
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else:
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workers = workers.split(',')
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if len(sys.argv) > 1:
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if sys.argv[1] == 'config':
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print_config(workers)
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elif sys.argv[1] == 'autoconf':
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print 'yes'
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else:
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print_values(workers, api_url)
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131
plugins/celery/celery_tasks-2
Executable file
131
plugins/celery/celery_tasks-2
Executable file
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@ -0,0 +1,131 @@
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#!/usr/bin/env python
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"""=cut
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=head1 NAME
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celery_tasks - Munin plugin to monitor the number of Celery tasks with specified names.
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=head1 REQUIREMENTS
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- Python
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- celery (http://celeryproject.org/)
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- celerymon (http://github.com/ask/celerymon)
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Note: don't forget to enable sending of the events on the celery daemon - run it with the --events option
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=head1 CONFIGURATION
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Default configuration:
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None
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You must set the name of at least one task you want to monitor (multiple names are separated by a comma).
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For example:
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[celery_tasks]
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env.tasks myapp.tasks.SendEmailTask,myapp2.tasks.FetchUserDataTask
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This would monitor the number of task for a task with name "myapp.tasks.SendEmailTask" and "myapp2.tasks.FetchUserDataTask".
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=head1 MAGIC MARKERS
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#%# family=manual
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#%# capabilities=autoconf
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=head1 AUTHOR
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Tomaz Muraus (http://github.com/Kami/munin-celery)
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=head1 LICENSE
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GPLv2
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=cut"""
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import os
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import sys
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import urllib
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try:
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import json
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except:
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import simplejson as json
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API_URL = 'http://localhost:8989'
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URL_ENDPOINTS = {
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'workers': '/api/worker/',
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'worker_tasks': '/api/worker/%s/tasks',
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'tasks': '/api/task/',
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'task_names': '/api/task/name/',
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'task_details': '/api/task/name/%s',
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}
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TASK_STATES = (
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'task-accepted',
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'task-received',
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'task-succeeded',
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'task-failed',
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'task-retried',
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)
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def get_data(what, api_url, *args):
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try:
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request = urllib.urlopen('%s%s' % (api_url, \
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URL_ENDPOINTS[what] % (args)))
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response = request.read()
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return json.loads(response)
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except IOError:
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print 'Could not connect to the celerymon webserver'
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sys.exit(-1)
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def check_web_server_status(api_url):
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try:
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request = urllib.urlopen(api_url)
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response = request.read()
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except IOError:
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print 'Could not connect to the celerymon webserver'
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sys.exit(-1)
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def clean_task_name(task_name):
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return task_name.replace('.', '_')
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# Config
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def print_config(task_names):
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print 'graph_title Celery tasks'
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print 'graph_args --lower-limit 0'
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print 'graph_scale no'
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print 'graph_vlabel tasks per ${graph_period}'
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print 'graph_category celery'
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for name in task_names:
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print '%s.label %s' % (clean_task_name(name), name)
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print '%s.type DERIVE' % (clean_task_name(name))
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print '%s.min 0' % (clean_task_name(name))
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print '%s.info number of %s tasks' % (clean_task_name(name), name)
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# Values
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def print_values(task_names = None, api_url = None):
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for task_name in task_names:
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count = len(get_data('task_details', api_url, task_name))
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print '%s.value %d' % (clean_task_name(task_name), count)
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if __name__ == '__main__':
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task_names = os.environ.get('tasks', None)
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api_url = os.environ.get('api_url', API_URL)
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check_web_server_status(api_url)
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if not task_names:
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print 'You need to define at least one task name'
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sys.exit(-1)
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task_names = task_names.split(',')
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if len(sys.argv) > 1:
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if sys.argv[1] == 'config':
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print_config(task_names)
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elif sys.argv[1] == 'autoconf':
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print 'yes'
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else:
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print_values(task_names, api_url)
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