def testQueue_Task(self):
def isnotqueued(result):
self.assertEqual(result.id, None)
self.assertEqual(result.uuid, None)
self.assertEqual(len(result.errors.keys()) > 0, True)
def isqueued(result):
self.assertNotEqual(result.id, None)
self.assertNotEqual(result.uuid, None)
self.assertEqual(len(result.errors.keys()), 0)
s = Scheduler(self.db)
fname = 'foo'
watch = s.queue_task(fname, task_name='watch')
# queuing a task returns id, errors, uuid
self.assertEqual(set(watch.keys()), set(['id', 'uuid', 'errors']))
# queueing nothing isn't allowed
self.assertRaises(TypeError, s.queue_task, *[])
# passing pargs and pvars wrongly
# # pargs as dict
isnotqueued(s.queue_task(fname, dict(a=1), dict(b=1)))
# # pvars as list
isnotqueued(s.queue_task(fname, ['foo', 'bar'], ['foo', 'bar']))
# two tasks with the same uuid won't be there
isqueued(s.queue_task(fname, uuid='a'))
isnotqueued(s.queue_task(fname, uuid='a'))
def testNoReturn_and_Timeout_and_Progress(self):
s = Scheduler(self.db)
noret1 = s.queue_task('demo5')
noret2 = s.queue_task('demo3')
timeout1 = s.queue_task('demo4', timeout=5)
timeout2 = s.queue_task('demo4')
progress = s.queue_task('demo6', sync_output=2)
self.db.commit()
self.writefunction(r"""
def demo3():
time.sleep(15)
print(1/0)
return None
def demo4():
time.sleep(15)
print("I'm printing something")
return dict(a=1, b=2)
def demo5():
time.sleep(15)
print("I'm printing something")
rtn = dict(a=1, b=2)
def demo6():
time.sleep(5)
print('50%')
time.sleep(5)
print('!clear!100%')
return 1
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# noreturn check
task1, task_run1 = self.fetch_results(s, noret1)
task2, task_run2 = self.fetch_results(s, noret2)
res = [
("tasks no_returns1 completed", task1.status == 'COMPLETED'),
("tasks no_returns2 failed", task2.status == 'FAILED'),
("no_returns1 doesn't have a scheduler_run record", len(task_run1) == 0),
("no_returns2 has a scheduler_run record FAILED", (len(task_run2) == 1 and task_run2[0].status == 'FAILED')),
]
self.exec_asserts(res, 'NO_RETURN')
# timeout check
task1 = s.task_status(timeout1.id, output=True)
task2 = s.task_status(timeout2.id, output=True)
res = [
("tasks timeouts1 timeoutted", task1.scheduler_task.status == 'TIMEOUT'),
("tasks timeouts2 completed", task2.scheduler_task.status == 'COMPLETED')
]
self.exec_asserts(res, 'TIMEOUT')
# progress check
task1 = s.task_status(progress.id, output=True)
res = [
("tasks percentages completed", task1.scheduler_task.status == 'COMPLETED'),
("output contains only 100%", task1.scheduler_run.run_output.strip() == "100%")
]
self.exec_asserts(res, 'PROGRESS')
def testQueue_Task(self):
def isnotqueued(result):
self.assertEqual(result.id, None)
self.assertEqual(result.uuid, None)
self.assertEqual(len(list(result.errors.keys())) > 0, True)
def isqueued(result):
self.assertNotEqual(result.id, None)
self.assertNotEqual(result.uuid, None)
self.assertEqual(len(list(result.errors.keys())), 0)
s = Scheduler(self.db)
fname = 'foo'
watch = s.queue_task(fname, task_name='watch')
# queuing a task returns id, errors, uuid
self.assertEqual(set(watch.keys()), set(['id', 'uuid', 'errors']))
# queueing nothing isn't allowed
self.assertRaises(TypeError, s.queue_task, *[])
# passing pargs and pvars wrongly
# # pargs as dict
isnotqueued(s.queue_task(fname, dict(a=1), dict(b=1)))
# # pvars as list
isnotqueued(s.queue_task(fname, ['foo', 'bar'], ['foo', 'bar']))
# two tasks with the same uuid won't be there
isqueued(s.queue_task(fname, uuid='a'))
isnotqueued(s.queue_task(fname, uuid='a'))
def testRegressions(self):
s = Scheduler(self.db)
huge_result = s.queue_task('demo10', retry_failed=1, period=1)
issue_1485 = s.queue_task('issue_1485')
termination = s.queue_task('termination')
self.db.commit()
self.writefunction(r"""
def demo10():
res = 'a' * 99999
return dict(res=res)
def issue_1485():
return response.render('issue_1485.html', dict(variable='abc'))
""")
self.writeview(r"""<span>{{=variable}}</span>""", 'issue_1485.html')
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# huge_result - checks
task_huge = s.task_status(huge_result.id, output=True)
res = [
("task status completed", task_huge.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task_huge.scheduler_task.times_run == 1),
("result is the correct one", task_huge.result == dict(res='a' * 99999))
]
self.exec_asserts(res, 'HUGE_RESULT')
task_issue_1485 = s.task_status(issue_1485.id, output=True)
res = [
("task status completed", task_issue_1485.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task_issue_1485.scheduler_task.times_run == 1),
("result is the correct one", task_issue_1485.result == '<span>abc</span>')
]
self.exec_asserts(res, 'issue_1485')
def testRegressions(self):
s = Scheduler(self.db)
huge_result = s.queue_task('demo10', retry_failed=1, period=1)
issue_1485 = s.queue_task('issue_1485')
termination = s.queue_task('termination')
self.db.commit()
self.writefunction(r"""
def demo10():
res = 'a' * 99999
return dict(res=res)
def issue_1485():
return response.render('issue_1485.html', dict(variable='abc'))
""")
self.writeview(r"""<span>{{=variable}}</span>""", 'issue_1485.html')
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# huge_result - checks
task_huge = s.task_status(huge_result.id, output=True)
res = [
("task status completed", task_huge.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task_huge.scheduler_task.times_run == 1),
("result is the correct one", task_huge.result == dict(res='a' * 99999))
]
self.exec_asserts(res, 'HUGE_RESULT')
task_issue_1485 = s.task_status(issue_1485.id, output=True)
res = [
("task status completed", task_issue_1485.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task_issue_1485.scheduler_task.times_run == 1),
("result is the correct one", task_issue_1485.result == '<span>abc</span>')
]
self.exec_asserts(res, 'issue_1485')
def testRetryFailed(self):
s = Scheduler(self.db)
failed = s.queue_task('demo2', retry_failed=1, period=1)
failed_consecutive = s.queue_task('demo8',
retry_failed=2,
repeats=2,
period=1)
self.db.commit()
self.writefunction(r"""
def demo2():
1/0
def demo8():
placeholder = os.path.join(request.folder, 'private', 'demo8.pholder')
with open(placeholder, 'a') as g:
g.write('\nplaceholder for demo8 created')
num_of_lines = 0
with open(placeholder) as f:
num_of_lines = len([a for a in f.read().split('\n') if a])
print('number of lines', num_of_lines)
if num_of_lines <= 2:
1/0
else:
os.unlink(placeholder)
return 1
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# failed - checks
task, task_run = self.fetch_results(s, failed)
res = [("task status failed", task.status == 'FAILED'),
("task times_run is 0", task.times_run == 0),
("task times_failed is 2", task.times_failed == 2),
("task ran 2 times only", len(task_run) == 2),
("scheduler_run records are FAILED",
(task_run[0].status == task_run[1].status == 'FAILED')),
("period is respected",
(task_run[1].start_time > task_run[0].start_time +
datetime.timedelta(seconds=task.period)))]
self.exec_asserts(res, 'FAILED')
# failed consecutive - checks
task, task_run = self.fetch_results(s, failed_consecutive)
res = [
("task status completed", task.status == 'COMPLETED'),
("task times_run is 2", task.times_run == 2),
("task times_failed is 0", task.times_failed == 0),
("task ran 6 times", len(task_run) == 6),
("scheduler_run records for COMPLETED is 2",
len([run.status for run in task_run
if run.status == 'COMPLETED']) == 2),
("scheduler_run records for FAILED is 4",
len([run.status for run in task_run
if run.status == 'FAILED']) == 4),
]
self.exec_asserts(res, 'FAILED_CONSECUTIVE')
def testRetryFailed(self):
s = Scheduler(self.db)
failed = s.queue_task('demo2', retry_failed=1, period=5)
failed_consecutive = s.queue_task('demo8', retry_failed=2, repeats=2, period=5)
self.db.commit()
self.writefunction(r"""
def demo2():
1/0
def demo8():
placeholder = os.path.join(request.folder, 'private', 'demo8.pholder')
with open(placeholder, 'a') as g:
g.write('\nplaceholder for demo8 created')
num_of_lines = 0
with open(placeholder) as f:
num_of_lines = len([a for a in f.read().split('\n') if a])
print 'number of lines', num_of_lines
if num_of_lines <= 2:
1/0
else:
os.unlink(placeholder)
return 1
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# failed - checks
info = s.task_status(failed.id)
task_runs = self.db(self.db.scheduler_run.task_id == info.id).select()
res = [
("task status failed", info.status == 'FAILED'),
("task times_run is 0", info.times_run == 0),
("task times_failed is 2", info.times_failed == 2),
("task ran 2 times only", len(task_runs) == 2),
("scheduler_run records are FAILED", (task_runs[0].status == task_runs[1].status == 'FAILED')),
("period is respected", (task_runs[1].start_time > task_runs[0].start_time + datetime.timedelta(seconds=info.period)))
]
for a in res:
self.assertEqual(a[1], True, msg=a[0])
# failed consecutive - checks
info = s.task_status(failed_consecutive.id)
task_runs = self.db(self.db.scheduler_run.task_id == info.id).select()
res = [
("task status completed", info.status == 'COMPLETED'),
("task times_run is 2", info.times_run == 2),
("task times_failed is 0", info.times_failed == 0),
("task ran 6 times", len(task_runs) == 6),
("scheduler_run records for COMPLETED is 2", len([run.status for run in task_runs if run.status == 'COMPLETED']) == 2),
("scheduler_run records for FAILED is 4", len([run.status for run in task_runs if run.status == 'FAILED']) == 4),
]
for a in res:
self.assertEqual(a[1], True, msg=a[0])
def testRepeats_and_Expired_and_Prio(self):
s = Scheduler(self.db)
repeats = s.queue_task('demo1', ['a', 'b'],
dict(c=1, d=2),
repeats=2,
period=5)
a_while_ago = datetime.datetime.now() - datetime.timedelta(seconds=60)
expired = s.queue_task('demo4', stop_time=a_while_ago)
prio1 = s.queue_task('demo1', ['scheduled_first'])
prio2 = s.queue_task('demo1', ['scheduled_second'],
next_run_time=a_while_ago)
self.db.commit()
self.writefunction(r"""
def demo1(*args,**vars):
print('you passed args=%s and vars=%s' % (args, vars))
return args[0]
def demo4():
time.sleep(15)
print("I'm printing something")
return dict(a=1, b=2)
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# repeats check
task, task_run = self.fetch_results(s, repeats)
res = [("task status completed", task.status == 'COMPLETED'),
("task times_run is 2", task.times_run == 2),
("task ran 2 times only", len(task_run) == 2),
("scheduler_run records are COMPLETED ",
(task_run[0].status == task_run[1].status == 'COMPLETED')),
("period is respected",
(task_run[1].start_time > task_run[0].start_time +
datetime.timedelta(seconds=task.period)))]
self.exec_asserts(res, 'REPEATS')
# expired check
task, task_run = self.fetch_results(s, expired)
res = [("task status expired", task.status == 'EXPIRED'),
("task times_run is 0", task.times_run == 0),
("task didn't run at all", len(task_run) == 0)]
self.exec_asserts(res, 'EXPIRATION')
# prio check
task1 = s.task_status(prio1.id, output=True)
task2 = s.task_status(prio2.id, output=True)
res = [("tasks status completed", task1.scheduler_task.status ==
task2.scheduler_task.status == 'COMPLETED'),
("priority2 was executed before priority1",
task1.scheduler_run.id > task2.scheduler_run.id)]
self.exec_asserts(res, 'PRIORITY')
def testDrift_and_env_and_immediate(self):
s = Scheduler(self.db)
immediate = s.queue_task('demo1', ['a', 'b'],
dict(c=1, d=2),
immediate=True)
env = s.queue_task('demo7')
drift = s.queue_task('demo1', ['a', 'b'],
dict(c=1, d=2),
period=93,
prevent_drift=True)
termination = s.queue_task('termination')
self.db.commit()
self.writefunction(r"""
def demo1(*args,**vars):
print('you passed args=%s and vars=%s' % (args, vars))
return args[0]
import random
def demo7():
time.sleep(random.randint(1,5))
print(W2P_TASK, request.now)
return W2P_TASK.id, W2P_TASK.uuid, W2P_TASK.run_id
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# immediate check, can only check that nothing breaks
task1 = s.task_status(immediate.id)
res = [
("tasks status completed", task1.status == 'COMPLETED'),
]
self.exec_asserts(res, 'IMMEDIATE')
# drift check
task, task_run = self.fetch_results(s, drift)
res = [("task status completed", task.status == 'COMPLETED'),
("next_run_time is exactly start_time + period",
(task.next_run_time == task.start_time +
datetime.timedelta(seconds=task.period)))]
self.exec_asserts(res, 'DRIFT')
# env check
task1 = s.task_status(env.id, output=True)
res = [
("task %s returned W2P_TASK correctly" % (task1.scheduler_task.id),
task1.result == [
task1.scheduler_task.id, task1.scheduler_task.uuid,
task1.scheduler_run.id
]),
]
self.exec_asserts(res, 'ENV')
def testRetryFailed(self):
s = Scheduler(self.db)
failed = s.queue_task('demo2', retry_failed=1, period=1)
failed_consecutive = s.queue_task('demo8', retry_failed=2, repeats=2, period=1)
self.db.commit()
self.writefunction(r"""
def demo2():
1/0
def demo8():
placeholder = os.path.join(request.folder, 'private', 'demo8.pholder')
with open(placeholder, 'a') as g:
g.write('\nplaceholder for demo8 created')
num_of_lines = 0
with open(placeholder) as f:
num_of_lines = len([a for a in f.read().split('\n') if a])
print('number of lines', num_of_lines)
if num_of_lines <= 2:
1/0
else:
os.unlink(placeholder)
return 1
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# failed - checks
task, task_run = self.fetch_results(s, failed)
res = [
("task status failed", task.status == 'FAILED'),
("task times_run is 0", task.times_run == 0),
("task times_failed is 2", task.times_failed == 2),
("task ran 2 times only", len(task_run) == 2),
("scheduler_run records are FAILED", (task_run[0].status == task_run[1].status == 'FAILED')),
("period is respected", (task_run[1].start_time > task_run[0].start_time + datetime.timedelta(seconds=task.period)))
]
self.exec_asserts(res, 'FAILED')
# failed consecutive - checks
task, task_run = self.fetch_results(s, failed_consecutive)
res = [
("task status completed", task.status == 'COMPLETED'),
("task times_run is 2", task.times_run == 2),
("task times_failed is 0", task.times_failed == 0),
("task ran 6 times", len(task_run) == 6),
("scheduler_run records for COMPLETED is 2", len([run.status for run in task_run if run.status == 'COMPLETED']) == 2),
("scheduler_run records for FAILED is 4", len([run.status for run in task_run if run.status == 'FAILED']) == 4),
]
self.exec_asserts(res, 'FAILED_CONSECUTIVE')
def testRepeats_and_Expired_and_Prio(self):
s = Scheduler(self.db)
repeats = s.queue_task('demo1', ['a', 'b'], dict(c=1, d=2), repeats=2, period=5)
a_while_ago = datetime.datetime.now() - datetime.timedelta(seconds=60)
expired = s.queue_task('demo4', stop_time=a_while_ago)
prio1 = s.queue_task('demo1', ['scheduled_first'])
prio2 = s.queue_task('demo1', ['scheduled_second'], next_run_time=a_while_ago)
self.db.commit()
self.writefunction(r"""
def demo1(*args,**vars):
print('you passed args=%s and vars=%s' % (args, vars))
return args[0]
def demo4():
time.sleep(15)
print("I'm printing something")
return dict(a=1, b=2)
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# repeats check
task, task_run = self.fetch_results(s, repeats)
res = [
("task status completed", task.status == 'COMPLETED'),
("task times_run is 2", task.times_run == 2),
("task ran 2 times only", len(task_run) == 2),
("scheduler_run records are COMPLETED ", (task_run[0].status == task_run[1].status == 'COMPLETED')),
("period is respected", (task_run[1].start_time > task_run[0].start_time + datetime.timedelta(seconds=task.period)))
]
self.exec_asserts(res, 'REPEATS')
# expired check
task, task_run = self.fetch_results(s, expired)
res = [
("task status expired", task.status == 'EXPIRED'),
("task times_run is 0", task.times_run == 0),
("task didn't run at all", len(task_run) == 0)
]
self.exec_asserts(res, 'EXPIRATION')
# prio check
task1 = s.task_status(prio1.id, output=True)
task2 = s.task_status(prio2.id, output=True)
res = [
("tasks status completed", task1.scheduler_task.status == task2.scheduler_task.status == 'COMPLETED'),
("priority2 was executed before priority1" , task1.scheduler_run.id > task2.scheduler_run.id)
]
self.exec_asserts(res, 'PRIORITY')
def testJobGraph(self):
s = Scheduler(self.db)
myjob = JobGraph(self.db, 'job_1')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob.add_deps(shoes.id, socks.id)
## results in the following topological sort
# 9,3,6 --> 4,5 --> 8,7 --> 2
# socks, shirt, undershorts
# tie, pants
# shoes, belt
# jacket
known_toposort = [
set([socks.id, shirt.id, undershorts.id]),
set([tie.id, pants.id]),
set([shoes.id, belt.id]),
set([jacket.id])
]
toposort = myjob.validate('job_1')
self.assertEqual(toposort, known_toposort)
# add a cyclic dependency, jacket to undershorts
myjob.add_deps(undershorts.id, jacket.id)
# no exceptions raised, but result None
self.assertEqual(myjob.validate('job_1'), None)
def testJobGraph(self):
s = Scheduler(self.db)
myjob = JobGraph(self.db, 'job_1')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob.add_deps(shoes.id, socks.id)
## results in the following topological sort
# 9,3,6 --> 4,5 --> 8,7 --> 2
# socks, shirt, undershorts
# tie, pants
# shoes, belt
# jacket
known_toposort = [
set([socks.id, shirt.id, undershorts.id]),
set([tie.id, pants.id]),
set([shoes.id, belt.id]),
set([jacket.id])
]
toposort = myjob.validate('job_1')
self.assertEqual(toposort, known_toposort)
# add a cyclic dependency, jacket to undershorts
myjob.add_deps(undershorts.id, jacket.id)
# no exceptions raised, but result None
self.assertEqual(myjob.validate('job_1'), None)
def testDrift_and_env_and_immediate(self):
s = Scheduler(self.db)
immediate = s.queue_task('demo1', ['a', 'b'], dict(c=1, d=2), immediate=True)
env = s.queue_task('demo7')
drift = s.queue_task('demo1', ['a', 'b'], dict(c=1, d=2), period=93, prevent_drift=True)
termination = s.queue_task('termination')
self.db.commit()
self.writefunction(r"""
def demo1(*args,**vars):
print('you passed args=%s and vars=%s' % (args, vars))
return args[0]
import random
def demo7():
time.sleep(random.randint(1,5))
print(W2P_TASK, request.now)
return W2P_TASK.id, W2P_TASK.uuid, W2P_TASK.run_id
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# immediate check, can only check that nothing breaks
task1 = s.task_status(immediate.id)
res = [
("tasks status completed", task1.status == 'COMPLETED'),
]
self.exec_asserts(res, 'IMMEDIATE')
# drift check
task, task_run = self.fetch_results(s, drift)
res = [
("task status completed", task.status == 'COMPLETED'),
("next_run_time is exactly start_time + period", (task.next_run_time == task.start_time + datetime.timedelta(seconds=task.period)))
]
self.exec_asserts(res, 'DRIFT')
# env check
task1 = s.task_status(env.id, output=True)
res = [
("task %s returned W2P_TASK correctly" % (task1.scheduler_task.id), task1.result == [task1.scheduler_task.id, task1.scheduler_task.uuid, task1.scheduler_run.id]),
]
self.exec_asserts(res, 'ENV')
def testBasic(self):
s = Scheduler(self.db)
foo = s.queue_task('foo')
self.db.commit()
self.writefunction(r"""
def foo():
return 'a'
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
info = s.task_status(foo.id, output=True)
self.assertEqual(info.result, 'a')
def testBasic(self):
s = Scheduler(self.db)
foo = s.queue_task('foo')
self.db.commit()
self.writefunction(r"""
def foo():
return 'a'
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
info = s.task_status(foo.id, output=True)
self.assertEqual(info.result, 'a')
def testJobGraphDifferentJobs(self):
s = Scheduler(self.db)
myjob1 = JobGraph(self.db, 'job_1')
myjob2 = JobGraph(self.db, 'job_2')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob1.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob1.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob1.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob1.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob2.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob2.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob2.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob2.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob2.add_deps(shoes.id, socks.id)
# every job by itself can be completed
self.assertNotEqual(myjob1.validate('job_1'), None)
self.assertNotEqual(myjob1.validate('job_2'), None)
# and, implicitly, every queued task can be too
self.assertNotEqual(myjob1.validate(), None)
# add a cyclic dependency, jacket to undershorts
myjob2.add_deps(undershorts.id, jacket.id)
# every job can still be completed by itself
self.assertNotEqual(myjob1.validate('job_1'), None)
self.assertNotEqual(myjob1.validate('job_2'), None)
# but trying to see if every task will ever be completed fails
self.assertEqual(myjob2.validate(), None)
def testJobGraphDifferentJobs(self):
s = Scheduler(self.db)
myjob1 = JobGraph(self.db, 'job_1')
myjob2 = JobGraph(self.db, 'job_2')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob1.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob1.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob1.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob1.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob2.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob2.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob2.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob2.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob2.add_deps(shoes.id, socks.id)
# every job by itself can be completed
self.assertNotEqual(myjob1.validate('job_1'), None)
self.assertNotEqual(myjob1.validate('job_2'), None)
# and, implicitly, every queued task can be too
self.assertNotEqual(myjob1.validate(), None)
# add a cyclic dependency, jacket to undershorts
myjob2.add_deps(undershorts.id, jacket.id)
# every job can still be completed by itself
self.assertNotEqual(myjob1.validate('job_1'), None)
self.assertNotEqual(myjob1.validate('job_2'), None)
# but trying to see if every task will ever be completed fails
self.assertEqual(myjob2.validate(), None)
def testTask_Status(self):
s = Scheduler(self.db)
fname = 'foo'
watch = s.queue_task(fname, task_name='watch')
# fetch status by id
by_id = s.task_status(watch.id)
# fetch status by uuid
by_uuid = s.task_status(watch.uuid)
# fetch status by query
by_query = s.task_status(self.db.scheduler_task.function_name == 'foo')
self.assertEqual(by_id, by_uuid)
self.assertEqual(by_id, by_query)
# fetch status by anything else throws
self.assertRaises(SyntaxError, s.task_status, *[[1, 2]])
# adding output returns the joined set, plus "result"
rtn = s.task_status(watch.id, output=True)
self.assertEqual(set(rtn.keys()), set(['scheduler_run', 'scheduler_task', 'result']))
def testTask_Status(self):
s = Scheduler(self.db)
fname = 'foo'
watch = s.queue_task(fname, task_name='watch')
# fetch status by id
by_id = s.task_status(watch.id)
# fetch status by uuid
by_uuid = s.task_status(watch.uuid)
# fetch status by query
by_query = s.task_status(self.db.scheduler_task.function_name == 'foo')
self.assertEqual(by_id, by_uuid)
self.assertEqual(by_id, by_query)
# fetch status by anything else throws
self.assertRaises(SyntaxError, s.task_status, *[[1, 2]])
# adding output returns the joined set, plus "result"
rtn = s.task_status(watch.id, output=True)
self.assertEqual(set(rtn.keys()), set(['scheduler_run', 'scheduler_task', 'result']))
def testJobGraphFailing(self):
s = Scheduler(self.db)
myjob = JobGraph(self.db, 'job_1')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob.add_deps(shoes.id, socks.id)
# add a cyclic dependency, jacket to undershorts
myjob.add_deps(undershorts.id, jacket.id)
# no exceptions raised, but result None
self.assertEqual(myjob.validate('job_1'), None)
# and no deps added
deps_inserted = self.db(self.db.scheduler_task_deps.id>0).count()
self.assertEqual(deps_inserted, 0)
def testJobGraphFailing(self):
s = Scheduler(self.db)
myjob = JobGraph(self.db, 'job_1')
fname = 'foo'
# We have a few items to wear, and there's an "order" to respect...
# Items are: watch, jacket, shirt, tie, pants, undershorts, belt, shoes, socks
# Now, we can't put on the tie without wearing the shirt first, etc...
watch = s.queue_task(fname, task_name='watch')
jacket = s.queue_task(fname, task_name='jacket')
shirt = s.queue_task(fname, task_name='shirt')
tie = s.queue_task(fname, task_name='tie')
pants = s.queue_task(fname, task_name='pants')
undershorts = s.queue_task(fname, task_name='undershorts')
belt = s.queue_task(fname, task_name='belt')
shoes = s.queue_task(fname, task_name='shoes')
socks = s.queue_task(fname, task_name='socks')
# before the tie, comes the shirt
myjob.add_deps(tie.id, shirt.id)
# before the belt too comes the shirt
myjob.add_deps(belt.id, shirt.id)
# before the jacket, comes the tie
myjob.add_deps(jacket.id, tie.id)
# before the belt, come the pants
myjob.add_deps(belt.id, pants.id)
# before the shoes, comes the pants
myjob.add_deps(shoes.id, pants.id)
# before the pants, comes the undershorts
myjob.add_deps(pants.id, undershorts.id)
# before the shoes, comes the undershorts
myjob.add_deps(shoes.id, undershorts.id)
# before the jacket, comes the belt
myjob.add_deps(jacket.id, belt.id)
# before the shoes, comes the socks
myjob.add_deps(shoes.id, socks.id)
# add a cyclic dependency, jacket to undershorts
myjob.add_deps(undershorts.id, jacket.id)
# no exceptions raised, but result None
self.assertEqual(myjob.validate('job_1'), None)
# and no deps added
deps_inserted = self.db(self.db.scheduler_task_deps.id > 0).count()
self.assertEqual(deps_inserted, 0)
def testHugeResult(self):
s = Scheduler(self.db)
huge_result = s.queue_task('demo10', retry_failed=1, period=1)
self.db.commit()
self.writefunction(r"""
def demo10():
res = 'a' * 99999
return dict(res=res)
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# huge_result - checks
task = s.task_status(huge_result.id, output=True)
res = [("task status completed",
task.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task.scheduler_task.times_run == 1),
("result is the correct one",
task.result == dict(res='a' * 99999))]
self.exec_asserts(res, 'HUGE_RESULT')
def testHugeResult(self):
s = Scheduler(self.db)
huge_result = s.queue_task('demo10', retry_failed=1, period=1)
self.db.commit()
self.writefunction(r"""
def demo10():
res = 'a' * 99999
return dict(res=res)
""")
ret = self.exec_sched()
# process finished just fine
self.assertEqual(ret, 0)
# huge_result - checks
task = s.task_status(huge_result.id, output=True)
res = [
("task status completed", task.scheduler_task.status == 'COMPLETED'),
("task times_run is 1", task.scheduler_task.times_run == 1),
("result is the correct one", task.result == dict(res='a' * 99999))
]
self.exec_asserts(res, 'HUGE_RESULT')
knn = neighbors.KNeighborsClassifier(weights='distance',
metric='minkowski')
knn.fit(knnIn, knnOut)
for row in db(db.user_interests.user_id == userid).select():
aRow = []
for field in db.knnRef.fields[2:]:
aRow.append(row[field])
#print aRow
#print len(aRow)
aRow = np.array(aRow[1:])
aRow = aRow.astype(float)
clusterId = knn.predict(aRow)
nRow = db(db.user_clusters.user_id == userid).count()
if nRow:
temp = int(clusterId[0])
db(db.user_clusters.user_id == userid).update(cluster_id=temp)
else:
db.user_clusters.insert(user_id=userid, cluster_id=int(clusterId[0]))
return 0
#knnSelect(8)
#knnMake()
#make_clusters()
from gluon.scheduler import Scheduler
scheduler = Scheduler(db)
scheduler.queue_task(make_clusters,
repeats=0,
start_time=datetime.datetime.now(),
period=86400)
aggregateRows = aggregateRows.astype(float)
#print "computing knn"
knnOut = aggregateRows[:, 0]
knnIn = aggregateRows[:,1:]
knn = neighbors.KNeighborsClassifier( weights='distance',metric='minkowski')
knn.fit(knnIn, knnOut)
for row in db(db.user_interests.user_id == userid).select():
aRow = []
for field in db.knnRef.fields[2:]:
aRow.append(row[field])
#print aRow
#print len(aRow)
aRow = np.array(aRow[1:])
aRow = aRow.astype(float)
clusterId = knn.predict(aRow)
nRow = db(db.user_clusters.user_id == userid).count()
if nRow:
temp = int(clusterId[0])
db(db.user_clusters.user_id == userid).update(cluster_id = temp )
else:
db.user_clusters.insert(user_id=userid, cluster_id=int(clusterId[0] ))
return 0
#knnSelect(8)
#knnMake()
#make_clusters()
from gluon.scheduler import Scheduler
scheduler = Scheduler(db)
scheduler.queue_task(make_clusters, repeats=0, start_time=datetime.datetime.now(), period=86400)
p = subprocess.Popen(['open', 'http://localhost:8088/fsr/newsAPI/index'])
time.sleep(1800)
p.kill()
return "Finished"
from gluon.scheduler import Scheduler
Now = datetime.datetime.now()
start_time = datetime.datetime.strftime(Now, '%Y-%m-%d 15:00:00')
start_time1 = datetime.datetime.strftime(Now, '%Y-%m-%d %H:%M:%S')
start_time = datetime.datetime.strptime(start_time, '%Y-%m-%d %H:%M:%S')
start_time2 = datetime.datetime.strptime(
start_time1, '%Y-%m-%d %H:%M:%S') + timedelta(minutes=5)
start_time3 = datetime.datetime.strptime(
start_time1, '%Y-%m-%d %H:%M:%S') + timedelta(minutes=35)
scheduler = Scheduler(fbdb)
scheduler.queue_task('DailyUpdater',
repeats=0,
period=3600 * 24,
start_time=start_time)
scheduler.queue_task('HourlyUpdater',
repeats=0,
period=3600,
start_time=start_time2)
scheduler.queue_task('NewsUpdater',
repeats=0,
period=3600,
start_time=start_time3)
current.scheduler = scheduler
# Make sure to run the ad login refresh every hour or so
refresh_ad_login = current.cache.ram('refresh_ad_login',
lambda: True,
time_expire=60 * 60)
if refresh_ad_login is True and request.is_scheduler is not True:
# Set the current value to false so we don't need to refresh for a while
current.cache.ram('refresh_ad_login', lambda: False, time_expire=-1)
# Update the last login value for all users (students and faculty)
AD.Init() # Make sur AD settings are loaded
print("Queueing up refresh_all_ad_logins...")
# print(str(request.is_scheduler))
# print(str(request))
if AD._ldap_enabled is not True:
# Not enabled, skip
print("AD Not enabled, skipping refresh_all_ad_logins...")
else:
# Schedule the process
result = scheduler.queue_task('refresh_all_ad_logins',
timeout=1200,
sync_output=5,
group_name="misc",
repeats=1,
period=0,
pvars=dict(run_from='x_scheduler.py'))
# Make sure to start the scheduler process
# cmd = "/usr/bin/nohup /usr/bin/python " + os.path.join(request.folder, 'static/scheduler/start_misc_scheduler.py') + " > /dev/null 2>&1 &"
# p = subprocess.Popen(cmd, shell=True, close_fds=True)
actor = actor,
edApp = edApp,
group = organization,
object = resource,
eventTime = datetime.now().isoformat(),
action = "NavigatedTo"
)
# Once built, you can use your sensor to describe one or more often used
# entities; suppose for example, you'll be sending a number of events
# that all have the same actor
ret = the_sensor.describe(the_event.actor)
# The return structure from the sensor will be a dictionary of lists: each
# item in the dictionary has a key corresponding to a client key,
# so ret['default'] fetches back the list of URIs of all the @ids of
# the fully described Caliper objects you have sent with that describe call.
#
# Now you can use this list with event sendings to send only the identifiers
# of already-described entities, and not their full forms:
#print(the_sensor.send(the_event, described_objects=ret['default'])
# You can also just send the event in its full form, with all fleshed out
# entities:
the_sensor.send(the_event)
rslogger.info("Event sent!")
# Period set to 60 for testing, this should be configurable and a lot longer
scheduler.queue_task(send_events_to_caliper, period=30, repeats=0)
class S3Task(object):
""" Asynchronous Task Execution """
TASK_TABLENAME = "scheduler_task"
# -------------------------------------------------------------------------
def __init__(self):
migrate = current.deployment_settings.get_base_migrate()
tasks = current.response.s3.tasks
# Instantiate Scheduler
try:
from gluon.scheduler import Scheduler
except ImportError:
# Warning should already have been given by eden_update_check.py
self.scheduler = None
else:
self.scheduler = Scheduler(
current.db,
tasks,
migrate=migrate,
#use_spawn = True # Possible subprocess method with Py3
)
# -------------------------------------------------------------------------
def configure_tasktable_crud(
self,
task=None,
function=None,
args=None,
vars=None,
period=3600, # seconds, so 1 hour
status_writable=False,
):
"""
Configure the task table for interactive CRUD,
setting defaults, widgets and hiding unnecessary fields
@param task: the task name (will use a UUID if omitted)
@param function: the function name (won't hide if omitted)
@param args: the function position arguments
@param vars: the function named arguments
@param period: the default period for tasks
@param status_writable: make status and next run time editable
"""
T = current.T
NONE = current.messages["NONE"]
UNLIMITED = T("unlimited")
tablename = self.TASK_TABLENAME
table = current.db[tablename]
# Configure start/stop time fields
for fn in ("start_time", "stop_time"):
field = table[fn]
field.represent = lambda dt: \
S3DateTime.datetime_represent(dt, utc=True)
set_min = set_max = None
if fn == "start_time":
field.requires = IS_UTC_DATETIME()
set_min = "#scheduler_task_stop_time"
elif fn == "stop_time":
field.requires = IS_EMPTY_OR(IS_UTC_DATETIME())
set_max = "#scheduler_task_start_time"
field.widget = S3CalendarWidget(
past=0,
set_min=set_min,
set_max=set_max,
timepicker=True,
)
# Task name (default use UUID)
if task is None:
from uuid import uuid4
task = str(uuid4())
field = table.task_name
field.default = task
field.readable = field.writable = False
# Function (default+hide if specified as parameter)
if function:
field = table.function_name
field.default = function
field.readable = field.writable = False
# Args and vars
if isinstance(args, list):
field = table.args
field.default = json.dumps(args)
field.readable = field.writable = False
else:
field.default = "[]"
if isinstance(vars, dict):
field = table.vars
field.default = json.dumps(vars)
field.readable = field.writable = False
else:
field.default = {}
# Fields which are always editable
field = table.repeats
field.label = T("Repeat")
field.comment = T("times (0 = unlimited)")
field.default = 0
field.represent = lambda opt: \
opt and "%s %s" % (opt, T("times")) or \
opt == 0 and UNLIMITED or \
NONE
field = table.period
field.label = T("Run every")
field.default = period
field.widget = S3TimeIntervalWidget.widget
field.requires = IS_INT_IN_RANGE(0, None)
field.represent = S3TimeIntervalWidget.represent
field.comment = None
table.timeout.default = 600
table.timeout.represent = lambda opt: \
opt and "%s %s" % (opt, T("seconds")) or \
opt == 0 and UNLIMITED or \
NONE
# Always use "default" controller (web2py uses current controller),
# otherwise the anonymous worker does not pass the controller
# permission check and gets redirected to login before it reaches
# the task function which does the s3_impersonate
field = table.application_name
field.default = "%s/default" % current.request.application
field.readable = field.writable = False
# Hidden fields
hidden = (
"uuid",
"broadcast",
"group_name",
"times_run",
"assigned_worker_name",
"sync_output",
"times_failed",
"cronline",
)
for fn in hidden:
table[fn].readable = table[fn].writable = False
# Optionally editable fields
fields = ("next_run_time", "status", "prevent_drift")
for fn in fields:
table[fn].readable = table[fn].writable = status_writable
list_fields = [
"id", "enabled", "start_time", "repeats", "period",
(T("Last run"), "last_run_time"), (T("Last status"), "status"),
(T("Next run"), "next_run_time"), "stop_time"
]
if not function:
list_fields[1:1] = ["task_name", "function_name"]
current.s3db.configure(
tablename,
list_fields=list_fields,
)
response = current.response
if response:
response.s3.crud_strings[tablename] = Storage(
label_create=T("Create Job"),
title_display=T("Job Details"),
title_list=T("Job Schedule"),
title_update=T("Edit Job"),
label_list_button=T("List Jobs"),
msg_record_created=T("Job added"),
msg_record_modified=T("Job updated"),
msg_record_deleted=T("Job deleted"),
msg_list_empty=T("No jobs configured yet"),
msg_no_match=T("No jobs configured"))
# -------------------------------------------------------------------------
# API Function run within the main flow of the application
# -------------------------------------------------------------------------
def run_async(self, task, args=None, vars=None, timeout=300):
"""
Wrapper to call an asynchronous task.
- run from the main request
@param task: The function which should be run
- async if a worker is alive
@param args: The list of unnamed args to send to the function
@param vars: The list of named vars to send to the function
@param timeout: The length of time available for the task to complete
- default 300s (5 mins)
"""
if args is None:
args = []
if vars is None:
vars = {}
# Check that task is defined (and callable)
tasks = current.response.s3.tasks
if not tasks or not callable(tasks.get(task)):
return False
# Check that args/vars are JSON-serializable
try:
json.dumps(args)
except (ValueError, TypeError):
msg = "S3Task.run_async args not JSON-serializable: %s" % args
current.log.error(msg)
raise
try:
json.dumps(vars)
except (ValueError, TypeError):
msg = "S3Task.run_async vars not JSON-serializable: %s" % vars
current.log.error(msg)
raise
# Run synchronously if scheduler not running
if not self._is_alive():
tasks[task](*args, **vars)
return None # No task ID in this case
# Queue the task (async)
try:
# Add the current user to the vars
vars["user_id"] = current.auth.user.id
except AttributeError:
pass
queued = self.scheduler.queue_task(task,
pargs = args,
pvars = vars,
application_name = "%s/default" % \
current.request.application,
function_name = task,
timeout = timeout,
)
# Return task ID so that status can be polled
return queued.id
# -------------------------------------------------------------------------
def schedule_task(
self,
task,
args=None, # args to pass to the task
vars=None, # vars to pass to the task
function_name=None,
start_time=None,
next_run_time=None,
stop_time=None,
repeats=None,
retry_failed=None,
period=None,
timeout=None,
enabled=None, # None = Enabled
group_name=None,
ignore_duplicate=False,
sync_output=0):
"""
Schedule a task in web2py Scheduler
@param task: name of the function/task to be scheduled
@param args: args to be passed to the scheduled task
@param vars: vars to be passed to the scheduled task
@param function_name: function name (if different from task name)
@param start_time: start_time for the scheduled task
@param next_run_time: next_run_time for the the scheduled task
@param stop_time: stop_time for the the scheduled task
@param repeats: number of times the task to be repeated (0=unlimited)
@param retry_failed: number of times the task to be retried (-1=unlimited)
@param period: time period between two consecutive runs (seconds)
@param timeout: set timeout for a running task
@param enabled: enabled flag for the scheduled task
@param group_name: group_name for the scheduled task
@param ignore_duplicate: disable or enable duplicate checking
@param sync_output: sync output every n seconds (0 = disable sync)
"""
if args is None:
args = []
if vars is None:
vars = {}
if not ignore_duplicate and self._duplicate_task_exists(
task, args, vars):
# if duplicate task exists, do not insert a new one
current.log.warning("Duplicate Task, Not Inserted", value=task)
return False
kwargs = {}
if function_name is None:
function_name = task
# storing valid keyword arguments only if they are provided
if start_time:
kwargs["start_time"] = start_time
if next_run_time:
kwargs["next_run_time"] = next_run_time
elif start_time:
# default it to start_time
kwargs["next_run_time"] = start_time
if stop_time:
kwargs["stop_time"] = stop_time
elif start_time:
# default it to one day ahead of given start_time
if not isinstance(start_time, datetime.datetime):
start_time = datetime.datetime.strptime(
start_time, "%Y-%m-%d %H:%M:%S")
stop_time = start_time + datetime.timedelta(days=1)
if repeats is not None:
kwargs["repeats"] = repeats
if retry_failed is not None:
kwargs["retry_failed"] = retry_failed
if period:
kwargs["period"] = period
if timeout:
kwargs["timeout"] = timeout
if enabled != None:
# NB None => enabled
kwargs["enabled"] = enabled
if group_name:
kwargs["group_name"] = group_name
if sync_output != 0:
kwargs["sync_output"] = sync_output
auth = current.auth
if auth.is_logged_in():
# Add the current user to the vars
vars["user_id"] = auth.user.id
# Add to DB for pickup by Scheduler task
# @ToDo: Switch to API: self.scheduler.queue_task()
task_id = current.db.scheduler_task.insert(application_name = "%s/default" % \
current.request.application,
task_name = task,
function_name = function_name,
args = json.dumps(args),
vars = json.dumps(vars),
**kwargs)
return task_id
# -------------------------------------------------------------------------
@staticmethod
def _duplicate_task_exists(task, args, vars):
"""
Checks if given task already exists in the Scheduler and both coincide
with their execution time
@param task: name of the task function
@param args: the job position arguments (list)
@param vars: the job named arguments (dict)
"""
db = current.db
ttable = db.scheduler_task
args_json = json.dumps(args)
query = ((ttable.function_name == task) & \
(ttable.args == args_json) & \
(ttable.status.belongs(["RUNNING", "QUEUED", "ALLOCATED"])))
jobs = db(query).select(ttable.vars)
for job in jobs:
job_vars = json.loads(job.vars)
if job_vars == vars:
return True
return False
# -------------------------------------------------------------------------
@staticmethod
def _is_alive():
"""
Returns True if there is at least 1 active worker to run scheduled tasks
- run from the main request
NB Can't run this 1/request at the beginning since the tables
only get defined in zz_last
"""
#if self.scheduler:
# return self.scheduler.is_alive()
#else:
# return False
db = current.db
table = db.scheduler_worker
now = datetime.datetime.now()
offset = datetime.timedelta(minutes=1)
query = (table.last_heartbeat > (now - offset))
cache = current.response.s3.cache
worker_alive = db(query).select(
table.id,
limitby=(0, 1),
cache=cache,
).first()
return True if worker_alive else False
# -------------------------------------------------------------------------
@staticmethod
def reset(task_id):
"""
Reset the status of a task to QUEUED after FAILED
@param task_id: the task record ID
"""
db = current.db
ttable = db.scheduler_task
query = (ttable.id == task_id) & (ttable.status == "FAILED")
task = db(query).select(ttable.id, limitby=(0, 1)).first()
if task:
task.update_record(status="QUEUED")
# =========================================================================
# Functions run within the Task itself
# =========================================================================
@staticmethod
def authenticate(user_id):
"""
Activate the authentication passed from the caller to this new request
- run from within the task
NB This is so simple that we don't normally run via this API
- this is just kept as an example of what needs to happen within the task
"""
current.auth.s3_impersonate(user_id)
eCPC = spend / clicks
eCPI = spend / install
conditions = val.campaign_rule.conditions
try:
ans = eval(conditions)
tempList.append(val.campaign_rule.id)
if ans:
db(db.campaign_rule.id == val.campaign.id).update(
status='deactivate',
next_run_time=datetime.datetime.now().date() +
datetime.timedelta(days=1))
db.commit()
mail.send(to=['*****@*****.**'],
subject='hello',
reply_to='*****@*****.**',
message=' Stop campaign')
except:
pass
return 1
scheduler.queue_task(checkCampaign,
prevent_drift=True,
start_time=datetime.datetime.now(),
timeout=60,
period=9000,
repeat=1)
timeline_table = db(db.timeline.user_extra_id==user['id']).select()
now_time = datetime.now()
if status and len(user_exist):
if not len(timeline_table) or timeline_table[-1]['end_time']: # if not exist end_time record
logger.debug('Insert')
db.timeline.insert(week_day=now_time.strftime('%A %d %b'),
user_extra_id=user['id'],
start_time=now_time.isoformat())
db.commit()
else:
continue
elif len(user_exist):
if (len(timeline_table) and
timeline_table[-1]['start_time'] and
not timeline_table[-1]['end_time']):
logger.debug('Update')
timeline_table[-1].end_time=now_time.isoformat()
timeline_table[-1].update_record()
elif type == 'facebook':
pass
return True or False
# def write_to_db():
# if check_online(user_id):
from gluon.scheduler import Scheduler
scheduler = Scheduler(db)
# scheduler.queue_task(task_add,pvars=dict(a=1,b=2))
scheduler.queue_task(check_online())
db_scheduler,
discard_results=True,
heartbeat=settings.scheduler['heartbeat'],
)
# check if the set_failed task is there, else insert it
sched_failed = cache.ram(
'sched_failed',
lambda: db_scheduler(db_scheduler.scheduler_task.task_name == "set_failed"
).select().first(),
time_expire=60)
if not sched_failed:
scheduler.queue_task(
set_failed,
task_name="set_failed",
timeout=30,
retry_failed=-1,
period=60,
repeats=0,
)
# check if the clean_imagedir task is there, else insert it
sched_clean_imagedir = cache.ram(
'sched_clean_imagedir',
lambda: db_scheduler(db_scheduler.scheduler_task.task_name ==
"clean_imagedir").select().first(),
time_expire=60)
if not sched_clean_imagedir:
scheduler.queue_task(
clean_imagedir,
task_name="clean_imagedir",
timeout=300,
heartbeat=settings.scheduler['heartbeat'],
)
# check if the set_failed task is there, else insert it
sched_failed = cache.ram(
'sched_failed',
lambda: db_scheduler(
db_scheduler.scheduler_task.task_name == "set_failed"
).select().first(),
time_expire=60
)
if not sched_failed:
scheduler.queue_task(
set_failed,
task_name="set_failed",
timeout=30,
retry_failed=-1,
period=60,
repeats=0,
)
# check if the clean_imagedir task is there, else insert it
sched_clean_imagedir = cache.ram(
'sched_clean_imagedir',
lambda: db_scheduler(
db_scheduler.scheduler_task.task_name == "clean_imagedir"
).select().first(),
time_expire=60
)
if not sched_clean_imagedir:
scheduler.queue_task(
clean_imagedir,
else:
sch_db = db
def check_classes_status():
classes = db(Class.status != 2).select()
log_in_file("Checking for open classes...", path="/tmp/scheduler.log")
for course_class in classes:
if int(course_class.status) == 1 and course_class.end_date < request.now.date():
log_in_file("Course %s being closed." % course_class.course.id, path="/tmp/scheduler.log")
course_class.update_record(status=2)
elif int(course_class.status) == 3 and course_class.start_date <= request.now.date():
log_in_file("Course %s in progress." % course_class.course.id, path="/tmp/scheduler.log")
course_class.update_record(status=1)
db.commit()
log_in_file("All status updated!", path="/tmp/scheduler.log")
scheduler = Scheduler(sch_db, tasks=dict(check_classes_status=check_classes_status))
if sch_db(sch_db.scheduler_task).count() == 0:
## do check_classes_status once by day (86400 seconds = 24 hours)
## repeats = 0 means it will repeat forever
## it starts at midnight after you have created it
import datetime
today_midnight = datetime.datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
start_time = today_midnight + datetime.timedelta(days=1)
sched = scheduler.queue_task("check_classes_status", start_time=start_time, period=86400, repeats=0)
log_in_file("New scheduler created: ID %d" % sched.id, path="/tmp/scheduler.log")
from gluon.scheduler import Scheduler
scheduler = Scheduler(db)
def send_email():
# rows = db.courier().select(orderby=~db.courier.arrival_date)
# temp = []
# for row in rows:
# if row.taken == False:
# temp.append(row)
# print temp[0]
hisemail = "*****@*****.**" ###############change it to the mail of user
sub = "New parcel.IIIT courier portal"
msg = "You have new Parcels . Collect it form Nilgiri"
if mail:
if mail.send(to=[hisemail], subject=sub, message=msg):
response.flash = 'email sent successfully.'
else:
response.flash = 'fail to send email sorry!'
else:
response.flash = 'Unable to send the email : email parameters not defined'
scheduler.queue_task(send_email)
vm_util_rrd=vm_utilization_rrd,
vm_daily_checks=process_vmdaily_checks,
vm_garbage_collector=process_unusedvm,
memory_overload=overload_memory,
networking_host=host_networking,
rrd_task=task_rrd,
vm_loadbalance=process_loadbalancer),
group_names=['vm_task', 'vm_sanity', 'host_task', 'vm_rrd', 'snapshot_task','host_network'])
midnight_time = request.now.replace(hour=23, minute=59, second=59)
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_DAILY),
repeats = 0, # run indefinitely
start_time = midnight_time,
period = 24 * HOURS, # every 24h
timeout = 5 * MINUTES,
uuid = UUID_SNAPSHOT_DAILY,
group_name = 'snapshot_task')
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_WEEKLY),
repeats = 0, # run indefinitely
start_time = midnight_time,
period = 7 * DAYS, # every 7 days
timeout = 5 * MINUTES,
uuid = UUID_SNAPSHOT_WEEKLY,
group_name = 'snapshot_task')
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_MONTHLY),
from gluon.scheduler import Scheduler
from datetime import datetime, timedelta
from signal import SIGKILL
import os
def build_monitor():
running_builds = db((db.current_builds.finished==False)).select()
for build in running_builds:
# check which of the running builds are running too long
if (build.start_time + timedelta(seconds=MAX_BUILD_TIME)) < datetime.now():
if build.PID == None:
print 'The build with the ', build.id, 'has not started yet but has already timed out. It is probably garbage.'
else:
# kill the build. the build module will resume and take care of cleanup, etc.
print 'The build', build.id, 'has timed out!'
os.kill(build.PID, SIGKILL)
return True
TASK_UUID = '29aa3d33-1f7b-4d11-a589-75afa399a4e9'
# initiate scheduler
scheduler = Scheduler(db, discard_results=False, heartbeat=1)
# build_monitor task - drop and reinsert to avoid time stamp conflicts
scheduler.queue_task('build_monitor', task_name='build_monitor', repeats=0, period=2, timeout=2, uuid=TASK_UUID, retry_failed=-1)
def testNoReturn_and_Timeout_and_Progress(self):
s = Scheduler(self.db)
noret1 = s.queue_task('demo5')
noret2 = s.queue_task('demo3')
timeout1 = s.queue_task('demo4', timeout=5)
timeout2 = s.queue_task('demo4')
progress = s.queue_task('demo6', sync_output=2)
termination = s.queue_task('termination')
self.db.commit()
self.writefunction(r"""
def demo3():
time.sleep(3)
print(1/0)
return None
def demo4():
time.sleep(15)
print("I'm printing something")
return dict(a=1, b=2)
def demo5():
time.sleep(3)
print("I'm printing something")
rtn = dict(a=1, b=2)
def demo6():
time.sleep(5)
print('50%')
time.sleep(5)
print('!clear!100%')
return 1
""")
ret = self.exec_sched()
self.assertEqual(ret, 0)
# noreturn check
task1, task_run1 = self.fetch_results(s, noret1)
task2, task_run2 = self.fetch_results(s, noret2)
res = [
("tasks no_returns1 completed", task1.status == 'COMPLETED'),
("tasks no_returns2 failed", task2.status == 'FAILED'),
("no_returns1 doesn't have a scheduler_run record",
len(task_run1) == 0),
("no_returns2 has a scheduler_run record FAILED",
(len(task_run2) == 1 and task_run2[0].status == 'FAILED')),
]
self.exec_asserts(res, 'NO_RETURN')
# timeout check
task1 = s.task_status(timeout1.id, output=True)
task2 = s.task_status(timeout2.id, output=True)
res = [("tasks timeouts1 timeoutted",
task1.scheduler_task.status == 'TIMEOUT'),
("tasks timeouts2 completed",
task2.scheduler_task.status == 'COMPLETED')]
self.exec_asserts(res, 'TIMEOUT')
# progress check
task1 = s.task_status(progress.id, output=True)
res = [("tasks percentages completed",
task1.scheduler_task.status == 'COMPLETED'),
("output contains only 100%",
task1.scheduler_run.run_output.strip() == "100%")]
self.exec_asserts(res, 'PROGRESS')
log_in_file('Course %s being closed.' % course_class.course.id,
path='/tmp/scheduler.log')
course_class.update_record(status=2)
elif int(course_class.status
) == 3 and course_class.start_date <= request.now.date():
log_in_file('Course %s in progress.' % course_class.course.id,
path='/tmp/scheduler.log')
course_class.update_record(status=1)
db.commit()
log_in_file('All status updated!', path='/tmp/scheduler.log')
scheduler = Scheduler(sch_db,
tasks=dict(check_classes_status=check_classes_status))
if sch_db(sch_db.scheduler_task).count() == 0:
## do check_classes_status once by day (86400 seconds = 24 hours)
## repeats = 0 means it will repeat forever
## it starts at midnight after you have created it
import datetime
today_midnight = datetime.datetime.now().replace(hour=0,
minute=0,
second=0,
microsecond=0)
start_time = today_midnight + datetime.timedelta(days=1)
sched = scheduler.queue_task('check_classes_status',
start_time=start_time,
period=86400,
repeats=0)
log_in_file('New scheduler created: ID %d' % sched.id,
path='/tmp/scheduler.log')
db.export_to_csv_file(backup)
except Exception as error:
logger.exception(str(error))
raise
logger.info('Backup completed')
return True
def delete_sessions():
single_loop(auth.settings.expiration)
scheduler = Scheduler(db)
# schedule the backup
if not db((db.scheduler_task.task_name == 'db_export')).select():
scheduler.queue_task(db_export,
pvars={},
timeout=60 * 10,
period=((60*60) * backup_hours),
repeats=0,
retry_failed=5)
# schedule the cleaning of the sessions
if not db((db.scheduler_task.task_name == 'delete_sessions')).select():
scheduler.queue_task(delete_sessions,
pvars={},
timeout=60 * 10,
period=((60*60) * sessions_clean_hours),
repeats=0,
retry_failed=5)
now_time = datetime.now()
if status and len(user_exist):
if not len(timeline_table) or timeline_table[-1][
'end_time']: # if not exist end_time record
logger.debug('Insert')
db.timeline.insert(week_day=now_time.strftime('%A %d %b'),
user_extra_id=user['id'],
start_time=now_time.isoformat())
db.commit()
else:
continue
elif len(user_exist):
if (len(timeline_table) and timeline_table[-1]['start_time']
and not timeline_table[-1]['end_time']):
logger.debug('Update')
timeline_table[-1].end_time = now_time.isoformat()
timeline_table[-1].update_record()
elif type == 'facebook':
pass
return True or False
# def write_to_db():
# if check_online(user_id):
from gluon.scheduler import Scheduler
scheduler = Scheduler(db)
# scheduler.queue_task(task_add,pvars=dict(a=1,b=2))
scheduler.queue_task(check_online())
class S3Task(object):
""" Asynchronous Task Execution """
TASK_TABLENAME = "scheduler_task"
# -------------------------------------------------------------------------
def __init__(self):
migrate = current.deployment_settings.get_base_migrate()
tasks = current.response.s3.tasks
# Instantiate Scheduler
try:
from gluon.scheduler import Scheduler
except:
# Warning should already have been given by eden_update_check.py
self.scheduler = None
else:
self.scheduler = Scheduler(current.db, tasks, migrate=migrate)
# -------------------------------------------------------------------------
def configure_tasktable_crud(
self,
task=None,
function=None,
args=None,
vars=None,
period=3600, # seconds, so 1 hour
):
"""
Configure the task table for interactive CRUD,
setting defaults, widgets and hiding unnecessary fields
@param task: the task name (will use a UUID if omitted)
@param function: the function name (won't hide if omitted)
@param args: the function position arguments
@param vars: the function named arguments
"""
if args is None:
args = []
if vars is None:
vars = {}
T = current.T
NONE = current.messages["NONE"]
UNLIMITED = T("unlimited")
tablename = self.TASK_TABLENAME
table = current.db[tablename]
table.uuid.readable = table.uuid.writable = False
table.prevent_drift.readable = table.prevent_drift.writable = False
table.sync_output.readable = table.sync_output.writable = False
table.times_failed.readable = False
field = table.start_time
field.represent = lambda dt: \
S3DateTime.datetime_represent(dt, utc=True)
field.widget = S3DateTimeWidget(past=0)
field.requires = IS_UTC_DATETIME(
format=current.deployment_settings.get_L10n_datetime_format())
field = table.stop_time
field.represent = lambda dt: \
S3DateTime.datetime_represent(dt, utc=True)
field.widget = S3DateTimeWidget(past=0)
field.requires = IS_EMPTY_OR(
IS_UTC_DATETIME(
format=current.deployment_settings.get_L10n_datetime_format()))
if not task:
import uuid
task = str(uuid.uuid4())
field = table.task_name
field.default = task
field.readable = False
field.writable = False
if function:
field = table.function_name
field.default = function
field.readable = False
field.writable = False
field = table.args
field.default = json.dumps(args)
field.readable = False
field.writable = False
field = table.repeats
field.label = T("Repeat")
field.comment = T("times (0 = unlimited)")
field.default = 0
field.represent = lambda opt: \
opt and "%s %s" % (opt, T("times")) or \
opt == 0 and UNLIMITED or \
NONE
field = table.period
field.label = T("Run every")
field.default = period
field.widget = S3TimeIntervalWidget.widget
field.requires = IS_TIME_INTERVAL_WIDGET(table.period)
field.represent = S3TimeIntervalWidget.represent
field.comment = None
table.timeout.default = 600
table.timeout.represent = lambda opt: \
opt and "%s %s" % (opt, T("seconds")) or \
opt == 0 and UNLIMITED or \
NONE
field = table.vars
field.default = json.dumps(vars)
field.readable = field.writable = False
# Always use "default" controller (web2py uses current controller),
# otherwise the anonymous worker does not pass the controller
# permission check and gets redirected to login before it reaches
# the task function which does the s3_impersonate
field = table.application_name
field.default = "%s/default" % current.request.application
field.readable = field.writable = False
table.group_name.readable = table.group_name.writable = False
table.status.readable = table.status.writable = False
table.next_run_time.readable = table.next_run_time.writable = False
table.times_run.readable = table.times_run.writable = False
table.assigned_worker_name.readable = \
table.assigned_worker_name.writable = False
current.s3db.configure(
tablename,
list_fields=[
"id", "enabled", "start_time", "repeats", "period",
(T("Last run"), "last_run_time"), (T("Last status"), "status"),
(T("Next run"), "next_run_time"), "stop_time"
],
)
response = current.response
if response:
response.s3.crud_strings[tablename] = Storage(
label_create=T("Create Job"),
title_display=T("Scheduled Jobs"),
title_list=T("Job Schedule"),
title_update=T("Edit Job"),
label_list_button=T("List Jobs"),
msg_record_created=T("Job added"),
msg_record_modified=T("Job updated"),
msg_record_deleted=T("Job deleted"),
msg_list_empty=T("No jobs configured yet"),
msg_no_match=T("No jobs configured"))
return
# -------------------------------------------------------------------------
# API Function run within the main flow of the application
# -------------------------------------------------------------------------
def async (self, task, args=None, vars=None, timeout=300):
"""
Wrapper to call an asynchronous task.
- run from the main request
@param task: The function which should be run
- async if a worker is alive
@param args: The list of unnamed args to send to the function
@param vars: The list of named vars to send to the function
@param timeout: The length of time available for the task to complete
- default 300s (5 mins)
"""
if args is None:
args = []
if vars is None:
vars = {}
# Check that task is defined
tasks = current.response.s3.tasks
if not tasks:
return False
if task not in tasks:
return False
# Check that worker is alive
if not self._is_alive():
# Run the task synchronously
_args = []
for arg in args:
if isinstance(arg, (int, long, float)):
_args.append(str(arg))
elif isinstance(arg, basestring):
_args.append("%s" % str(json.dumps(arg)))
else:
error = "Unhandled arg type: %s" % arg
current.log.error(error)
raise HTTP(501, error)
args = ",".join(_args)
_vars = ",".join(
["%s=%s" % (str(var), str(vars[var])) for var in vars])
if args:
statement = "tasks['%s'](%s,%s)" % (task, args, _vars)
else:
statement = "tasks['%s'](%s)" % (task, _vars)
# Handle JSON
null = None
exec(statement)
return None
auth = current.auth
if auth.is_logged_in():
# Add the current user to the vars
vars["user_id"] = auth.user.id
# Run the task asynchronously
record = current.db.scheduler_task.insert(
application_name="%s/default" % current.request.application,
task_name=task,
function_name=task,
args=json.dumps(args),
vars=json.dumps(vars),
timeout=timeout)
# Return record so that status can be polled
return record
# -------------------------------------------------------------------------
def schedule_task(
self,
task,
args=None, # args to pass to the task
vars=None, # vars to pass to the task
function_name=None,
start_time=None,
next_run_time=None,
stop_time=None,
repeats=None,
period=None,
timeout=None,
enabled=None, # None = Enabled
group_name=None,
ignore_duplicate=False,
sync_output=0,
report_progress=False):
"""
Schedule a task in web2py Scheduler
@param task: name of the function/task to be scheduled
@param args: args to be passed to the scheduled task
@param vars: vars to be passed to the scheduled task
@param function_name: function name (if different from task name)
@param start_time: start_time for the scheduled task
@param next_run_time: next_run_time for the the scheduled task
@param stop_time: stop_time for the the scheduled task
@param repeats: number of times the task to be repeated
@param period: time period between two consecutive runs
@param timeout: set timeout for a running task
@param enabled: enabled flag for the scheduled task
@param group_name: group_name for the scheduled task
@param ignore_duplicate: disable or enable duplicate checking
@param sync_output: sync output every n seconds (0 = disable sync)
"""
if args is None:
args = []
if vars is None:
vars = {}
kwargs = {}
if function_name is None:
function_name = task
# storing valid keyword arguments only if they are provided
if start_time:
kwargs["start_time"] = start_time
if next_run_time:
kwargs["next_run_time"] = next_run_time
elif start_time:
# default it to start_time
kwargs["next_run_time"] = start_time
if stop_time:
kwargs["stop_time"] = stop_time
elif start_time:
# default it to one day ahead of given start_time
if not isinstance(start_time, datetime.datetime):
start_time = datetime.datetime.strptime(
start_time, "%Y-%m-%d %H:%M:%S")
stop_time = start_time + datetime.timedelta(days=1)
if repeats is not None:
kwargs["repeats"] = repeats
if period:
kwargs["period"] = period
if timeout:
kwargs["timeout"] = timeout
if enabled != None:
# NB None => enabled
kwargs["enabled"] = enabled
if group_name:
kwargs["group_name"] = group_name
if not ignore_duplicate and self._duplicate_task_exists(
task, args, vars):
# if duplicate task exists, do not insert a new one
current.log.warning("Duplicate Task, Not Inserted", value=task)
return False
if sync_output != 0:
kwargs["sync_output"] = sync_output
auth = current.auth
if auth.is_logged_in():
# Add the current user to the vars
vars["user_id"] = auth.user.id
# Add to DB for pickup by Scheduler task
record = self.scheduler.queue_task(task,
args,
vars,
sync_output=sync_output)
if report_progress:
log_name = datetime.datetime.now() \
.strftime("%y-%m-%d-%H-%M") + "_" + task + ".txt"
from time import sleep
rt = RepeatedTimer(1, self.check_status, log_name, record.id,
self.scheduler, task, current.request.folder)
try:
'''
While the task is running..? What if it
never gets out of a QUEUED state?
Every second for 10 seconds, check
the task's status
'''
sleep(15)
finally:
rt.stop()
return record
#--------------------------------------------------------------------------
def check_status(user_id, log_name, task_id, scheduler, task_name, folder):
import os
log_path = os.path.join(folder, "logs", "tasks")
from gluon import DAL, Field
'''
If we use current.db here instead of getting a
new handle to the db, the task that we
previously queued won't get inserted into the db
so every call we make in this method to check
on the task's status will always result in the task being in
the 'QUEUED' state.
'''
db = DAL('sqlite://storage.db',
folder='applications/eden/databases',
auto_import=True)
table = db.scheduler_task
query = (table.id == task_id)
task_status = None
try:
task_status = db(query).select(table.status).first().status
except AttributeError:
task_status = 'Unknown (task not yet in db)'
'''
This is the preferred way to check a task's status since
it's using the web2py API, but we can't use this
because the scheduler is pointing to
current.db (see above comment):
task_status = scheduler.task_status(task_id, output=True)
print task_status.scheduler_task.status
print task_status.result
print task_status.scheduler_run.run_output
'''
if not os.path.exists(log_path):
os.makedirs(log_path)
with open(os.path.join(log_path, log_name), "a+") as log:
log.write('<%s>: %s is currently in the %s state\n' %
(datetime.datetime.now(), task_name, task_status))
# -------------------------------------------------------------------------
def _duplicate_task_exists(self, task, args, vars):
"""
Checks if given task already exists in the Scheduler and both coincide
with their execution time
@param task: name of the task function
@param args: the job position arguments (list)
@param vars: the job named arguments (dict)
"""
db = current.db
ttable = db.scheduler_task
_args = json.dumps(args)
query = ((ttable.function_name == task) & \
(ttable.args == _args) & \
(ttable.status.belongs(["RUNNING", "QUEUED", "ALLOCATED"])))
jobs = db(query).select(ttable.vars)
for job in jobs:
job_vars = json.loads(job.vars)
if job_vars == vars:
return True
return False
# -------------------------------------------------------------------------
def _is_alive(self):
"""
Returns True if there is at least 1 active worker to run scheduled tasks
- run from the main request
NB Can't run this 1/request at the beginning since the tables
only get defined in zz_last
"""
#if self.scheduler:
# return self.scheduler.is_alive()
#else:
# return False
db = current.db
cache = current.response.s3.cache
now = datetime.datetime.now()
offset = datetime.timedelta(minutes=1)
table = db.scheduler_worker
query = (table.last_heartbeat > (now - offset))
worker_alive = db(query).select(table.id, limitby=(0, 1),
cache=cache).first()
if worker_alive:
return True
else:
return False
# -------------------------------------------------------------------------
@staticmethod
def reset(task_id):
"""
Reset the status of a task to QUEUED after FAILED
@param task_id: the task record ID
"""
db = current.db
ttable = db.scheduler_task
query = (ttable.id == task_id) & (ttable.status == "FAILED")
task = db(query).select(ttable.id, limitby=(0, 1)).first()
if task:
task.update_record(status="QUEUED")
# =========================================================================
# Functions run within the Task itself
# =========================================================================
def authenticate(self, user_id):
"""
Activate the authentication passed from the caller to this new request
- run from within the task
NB This is so simple that we don't normally run via this API
- this is just kept as an example of what needs to happen within the task
"""
current.auth.s3_impersonate(user_id)
vnc_access=check_vnc_access,
host_sanity=host_sanity_check,
vm_util_rrd=vm_utilization_rrd,
vm_daily_checks=process_vmdaily_checks,
vm_purge_unused=process_unusedvm_purge,
memory_overload=overload_memory,
networking_host=host_networking),
group_names=['vm_task', 'vm_sanity', 'host_task', 'vm_rrd', 'snapshot_task'])
midnight_time = request.now.replace(hour=23, minute=59, second=59)
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_DAILY),
repeats = 0, # run indefinitely
start_time = midnight_time,
period = 24 * HOURS, # every 24h
timeout = 5 * MINUTES,
uuid = UUID_SNAPSHOT_DAILY,
group_name = 'snapshot_task')
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_WEEKLY),
repeats = 0, # run indefinitely
start_time = midnight_time,
period = 7 * DAYS, # every 7 days
timeout = 5 * MINUTES,
uuid = UUID_SNAPSHOT_WEEKLY,
group_name = 'snapshot_task')
vm_scheduler.queue_task(TASK_SNAPSHOT,
pvars = dict(snapshot_type = SNAPSHOT_MONTHLY),
