本文整理汇总了Python中notification.models.TaskHistory.update_status_for方法的典型用法代码示例。如果您正苦于以下问题：Python TaskHistory.update_status_for方法的具体用法？Python TaskHistory.update_status_for怎么用？Python TaskHistory.update_status_for使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类notification.models.TaskHistory的用法示例。
在下文中一共展示了TaskHistory.update_status_for方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Command
# 需要导入模块: from notification.models import TaskHistory [as 别名]
# 或者: from notification.models.TaskHistory import update_status_for [as 别名]
class Command(BaseCommand):
help = "Check if all Tasks with status running are in celery"
option_list = BaseCommand.option_list + (
make_option(
"-n",
"--celery_hosts",
dest="celery_hosts",
help="Number of celery hosts",
type="int",
),
)
def __init__(self):
super(Command, self).__init__()
self.task = TaskHistory()
self.task.task_id = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
self.task.task_name = "sync_celery_tasks"
self.task.relevance = TaskHistory.RELEVANCE_WARNING
self.task.task_status = TaskHistory.STATUS_RUNNING
self.task.context = {'hostname': socket.gethostname()}
self.task.save()
self.task.add_detail('Syncing metadata tasks with celery tasks')
self.unique_tasks = [{
'name': 'backup.tasks.make_databases_backup',
'unique_key': 'makedatabasebackupkey'
}]
self._redis_conn = None
@property
def redis_conn(self):
if not self._redis_conn:
self._redis_conn = Redis(
host=settings.REDIS_HOST,
port=settings.REDIS_PORT,
password=settings.REDIS_PASSWORD
)
return self._redis_conn
def handle(self, *args, **kwargs):
self.task.arguments = {'args': args, 'kwargs': kwargs}
if not kwargs['celery_hosts']:
raise CommandError("Please specified the --celery_hosts count")
try:
tasks_with_problem = self.check_tasks(kwargs['celery_hosts'])
except CeleryActivesNodeError as celery_error:
self.task.update_status_for(
TaskHistory.STATUS_WARNING,
'Could not check celery tasks.\n{}{}'.format(
full_stack(), celery_error
)
)
return
except Exception as e:
self.task.update_status_for(
TaskHistory.STATUS_ERROR,
'Could not execute task.\n{}{}'.format(full_stack(), e)
)
return
problems = len(tasks_with_problem)
status = TaskHistory.STATUS_SUCCESS
if problems > 0:
status = TaskHistory.STATUS_WARNING
self.task.update_status_for(status, 'Problems: {}'.format(problems))
self.check_unique_keys()
def check_unique_keys(self):
for unique_task in self.unique_tasks:
task_running = TaskHistory.objects.filter(
task_status='RUNNING',
task_name=unique_task['name']
)
if not task_running:
unique_key = unique_task['unique_key']
if unique_key in self.redis_conn.keys():
self.redis_conn.delete(unique_key)
def check_tasks(self, celery_hosts):
tasks_running = TaskHistory.objects.filter(
task_status=TaskHistory.STATUS_RUNNING
).exclude(
id=self.task.id
)
self.task.add_detail(
"\nTasks with status running: {}\n".format(len(tasks_running))
)
celery_tasks = self.get_celery_active_tasks(celery_hosts)
self.task.add_detail("Celery running: {}\n".format(len(celery_tasks)))
tasks_with_problem = []
self.task.add_detail("Checking tasks status")
for task in tasks_running:
self.task.add_detail(
"{} - {}".format(task.task_id, task.task_name), level=1
#.........这里部分代码省略.........