if sufficient_time_passed(closed_at, now, 7):
instance.logger.info("Shutting down obsolete sandbox instance")
instance.archive()
@db_task()
def terminate_obsolete_appservers_all_instances():
"""
Terminate obsolete app servers for all instances.
"""
for instance in OpenEdXInstance.objects.all():
instance.logger.info("Terminating obsolete appservers for instance")
instance.terminate_obsolete_appservers()
@db_periodic_task(crontab(day='*/1', hour='1', minute='0'))
def clean_up():
"""
Clean up obsolete VMs.
This task runs once per day.
"""
shut_down_obsolete_pr_sandboxes()
terminate_obsolete_appservers_all_instances()
@db_periodic_task(crontab())
def reconfigure_dirty_load_balancers():
"""
Any load balancers that are dirty need to be reconfigured.
import random
from huey.contrib.djhuey import task, periodic_task, crontab, db_task
@task()
def count_beans(number):
print('-- counted %s beans --' % number)
return 'Counted %s beans' % number
@periodic_task(crontab(minute='*/5'))
def every_five_mins():
print('Every five minutes this will be printed by the consumer')
@task(retries=3, retry_delay=10)
def try_thrice():
if random.randint(1, 3) == 1:
print('OK')
else:
print('About to fail, will retry in 10 seconds')
raise Exception('Crap something went wrong')
@db_task()
def foo(number):
print('foo(%s)' % number)
from huey.contrib.djhuey import crontab, db_periodic_task
from neon_app.models import Day
from icalendar import Calendar
from django.db import IntegrityError
from re import compile
import requests
pro_d_terms = ['Professional', 'Pro-D', 'Development']
holiday_terms = ['Holiday', 'Statutory', 'School Closed']
late_start_terms = ['Late Start']
early_dismissal_terms = ['Early Dismissal']
@db_periodic_task(crontab(minute="*/5"))
def update_from_calendar():
r = requests.get("http://www.sd44.ca/school/windsor/"
"_LAYOUTS/15/scholantis/handlers/ical/"
"event.ashx?List=f13b021f-ee41-4705-ab17-1a2f36172f0b")
cal = Calendar.from_ical(r.text)
for event in (x for x in cal.subcomponents if x.name == 'VEVENT'):
day_type = ""
if any(x in event['summary'] for x in holiday_terms):
day_type = "holiday"
elif any(x in event['summary'] for x in late_start_terms):
day_type = "late-start"
elif any(x in event['summary'] for x in pro_d_terms):
day_type = "pro-d"
elif any(x in event['summary'] for x in early_dismissal_terms):
day_type = "early-d"
else:
day_type = "normal"
# Tasks #######################################################################
@db_task()
def provision_instance(instance_pk):
"""
Run provisioning on an existing instance
"""
logger.info('Retreiving instance: pk=%s', instance_pk)
instance = SingleVMOpenEdXInstance.objects.get(pk=instance_pk)
logger.info('Running provisioning on %s', instance)
instance.provision()
@db_periodic_task(crontab(minute='*/1'))
def watch_pr():
"""
Automatically create/update sandboxes for PRs opened by members of the watched
organization on the watched repository
"""
team_username_list = get_username_list_from_team(settings.WATCH_ORGANIZATION)
for username in team_username_list:
for pr in get_pr_list_from_username(username, settings.WATCH_FORK):
sub_domain = 'pr{number}.sandbox'.format(number=pr.number)
instance, created = SingleVMOpenEdXInstance.objects.update_or_create_from_pr(pr, sub_domain)
if created:
logger.info('New PR found, creating sandbox: %s', pr)
provision_instance(instance.pk)
from utils import read_top
import logging
# The next two LOC should be parameterized; this is on the to-do list.
# The logger is commented out to assist new users.
# logging.basicConfig(level=logging.DEBUG, filename='/tmp/metrics.log')
# osx
TOP_COMMAND = 'top -n 0 -l 1' # zero processes, one repetition in logging mode
# ubuntu
# TOP_COMMAND = 'top -n 1 -b' # one repetition in batch mode
@db_periodic_task(crontab(minute='*')) # Once per minute
def make_new_top_entry():
try:
data = read_top(TOP_COMMAND)
# Data is automatically jsonified by the JSONField in Entry
new_entry = Entry.objects.create(command=TOP_COMMAND, data=data)
new_entry.save()
except:
logging.exception('Exception raised in make_new_top_entry')
# Examples of alternative tasks.
# `make_new_top_delta_entry` runs `top -d`; the resulting Entry will contain
# the delta since the last time top was called. Can be done on the ORM/database
# levels (or even in Django), too. Doing it here is trading space for time.
# I could have made another layer of abstraction here, but I didn't want to
"""
File name: tasks.py
Author: dhilipsiva <*****@*****.**>
Date created: 2017-03-18
"""
import logging
from django.conf import settings
from importlib import import_module
from statboard.core.models import Metric
from statboard.core.config import huey # NOQA
from huey.contrib.djhuey import crontab, periodic_task
logger = logging.getLogger(__name__)
@periodic_task(crontab(minute='*/1'))
def fetch_metrics():
for metric_name in settings.METRICS:
logger.debug('~' * 80)
try:
logger.debug("Initializing metrics for: %s" % metric_name)
metric = Metric.objects.get(name=metric_name)
metric_module = import_module('statboard.core.metrics.%s' %
metric_name)
logger.debug("Attemting to fetch metrics for: %s" % metric_name)
metric_module.fetch(metric)
logger.debug("DONE! fetched metrics for: %s" % metric_name)
except Exception as e:
logger.error("FAILED! metrics for: %s \n %s" % (metric_name, e))
for instance in OpenEdXInstance.objects.filter(watchedpullrequest__isnull=False):
pr = github.get_pr_info_by_number(
instance.watchedpullrequest.target_fork_name,
instance.watchedpullrequest.github_pr_number
)
if pr['state'] == 'closed':
closed_at = github.parse_date(pr['closed_at'])
now = datetime.now()
if sufficient_time_passed(closed_at, now, 7):
instance.shut_down()
@db_task()
def terminate_obsolete_appservers_all_instances():
"""
Terminate obsolete app servers for all instances.
"""
for instance in OpenEdXInstance.objects.all():
instance.terminate_obsolete_appservers()
@db_periodic_task(crontab(day='*/1', hour='1', minute='0'))
def clean_up():
"""
Clean up obsolete VMs.
This task runs once per day.
"""
shut_down_obsolete_pr_sandboxes()
terminate_obsolete_appservers_all_instances()
from django.db import transaction, IntegrityError
from django.conf import settings
from django.core.exceptions import ObjectDoesNotExist
from .models import Posts
from huey.contrib.djhuey import crontab
from huey import RedisHuey
import logging
logger = logging.getLogger('huey.consumer')
# This is necessary in order to get the right RedisHuey instance.
huey = RedisHuey('main', password = settings.CACHE_PASSWORD)
@huey.periodic_task(crontab(minute='0', hour='*/1'))
def viewcountupdate():
""" This task is being executed hourly
and pushed the cached view counters
into the database using a single transaction
"""
# This is the prefix we are going to use to distinguish the cache keys
# we need for the view counters
PREFIX = settings.CACHE_PREFIX
logger.warn('Entering viewcountupdate...')
with redis_cache.lock('lock'):
keys = redis_cache.keys(PREFIX + "*")
if keys:
try:
with transaction.atomic():