awx/awx/main/models/schedules.py

115 lines
3.1 KiB
Python

# Copyright (c) 2014 AnsibleWorks, Inc.
# All Rights Reserved.
import re
import logging
import datetime
import dateutil.rrule
# Django
from django.db import models
from django.db.models.query import QuerySet
from django.utils.timezone import now, make_aware, get_default_timezone
# AWX
from awx.main.models.base import *
from awx.main.utils import ignore_inventory_computed_fields, emit_websocket_notification
from django.core.urlresolvers import reverse
logger = logging.getLogger('awx.main.models.schedule')
__all__ = ['Schedule']
class ScheduleFilterMethods(object):
def enabled(self, enabled=True):
return self.filter(enabled=enabled, active=enabled)
def before(self, dt):
return self.filter(next_run__lt=dt)
def after(self, dt):
return self.filter(next_run__gt=dt)
def between(self, begin, end):
return self.after(begin).before(end)
class ScheduleQuerySet(ScheduleFilterMethods, QuerySet):
pass
class ScheduleManager(ScheduleFilterMethods, models.Manager):
use_for_related_objects = True
def get_query_set(self):
return ScheduleQuerySet(self.model, using=self._db)
class Schedule(CommonModel):
class Meta:
app_label = 'main'
ordering = ['-next_run']
objects = ScheduleManager()
unified_job_template = models.ForeignKey(
'UnifiedJobTemplate',
related_name='schedules',
on_delete=models.CASCADE,
)
enabled = models.BooleanField(
default=True,
)
dtstart = models.DateTimeField(
null=True,
default=None,
editable=False,
)
dtend = models.DateTimeField(
null=True,
default=None,
editable=False,
)
rrule = models.CharField(
max_length=255,
)
next_run = models.DateTimeField(
null=True,
default=None,
editable=False,
)
def __unicode__(self):
return u'%s_t%s_%s_%s' % (self.name, self.unified_job_template.id, self.id, self.next_run)
def get_absolute_url(self):
return reverse('api:schedule_detail', args=(self.pk,))
def update_computed_fields(self):
future_rs = dateutil.rrule.rrulestr(self.rrule, forceset=True)
next_run_actual = future_rs.after(now())
self.next_run = next_run_actual
try:
self.dtstart = future_rs[0]
except IndexError:
self.dtstart = None
self.dtend = None
if 'until' in self.rrule.lower():
match_until = re.match(".*?(UNTIL\=[0-9]+T[0-9]+Z)", self.rrule)
until_date = match_until.groups()[0].split("=")[1]
self.dtend = make_aware(datetime.datetime.strptime(until_date, "%Y%m%dT%H%M%SZ"), get_default_timezone())
if 'count' in self.rrule.lower():
self.dtend = future_rs[-1]
emit_websocket_notification('/socket.io/schedules', 'schedule_changed', dict(id=self.id))
with ignore_inventory_computed_fields():
self.unified_job_template.update_computed_fields()
def save(self, *args, **kwargs):
self.update_computed_fields()
super(Schedule, self).save(*args, **kwargs)