def test_pull_tasks1(app1, app2, job_id1, log, tasks_json_tmpfile):
"""
Parent tasks should be generated and executed before child tasks
(The Bubble Up and then Bubble Down test)
If A --> B, and:
we queue and run B, then we should have 0 completed tasks,
but A should be queued
nothing should change until:
we run A and A becomes completed
we then run B and B becomes completed
"""
enqueue(app2, job_id1)
run_code(log, tasks_json_tmpfile, app2)
validate_one_queued_task(app1, job_id1)
validate_zero_queued_task(app2)
run_code(log, tasks_json_tmpfile, app2)
validate_one_queued_task(app1, job_id1)
validate_zero_queued_task(app2)
run_code(log, tasks_json_tmpfile, app1)
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
run_code(log, tasks_json_tmpfile, app2)
validate_one_completed_task(app2, job_id1)
def test_create_child_task_after_one_parent_completed(
app1, app2, app3, job_id1, log, tasks_json_tmpfile, func_name):
# if you modify the tasks.json file in the middle of processing the dag
# modifications to the json file should be recognized
# the child task should run if another parent completes
# but otherwise should not run until it's manually queued
injected_app = app3
dct = {
injected_app: {
"depends_on": {"app_name": [app1, app2]},
},
}
qb.set_state(
app1, job_id1, completed=True)
validate_one_completed_task(app1, job_id1)
validate_zero_queued_task(injected_app)
consume_queue(app2)
qb.set_state(app2, job_id1, completed=True)
with inject_into_dag(func_name, dct):
validate_zero_queued_task(injected_app)
qb.set_state(app2, job_id1, completed=True)
validate_zero_queued_task(injected_app)
qb.set_state(app1, job_id1, completed=True)
validate_one_queued_task(injected_app, job_id1)
run_code(log, tasks_json_tmpfile, injected_app, '--bash_cmd echo 123')
validate_one_completed_task(injected_app, job_id1)
def test_push_tasks1(app1, app2, job_id1, log, tasks_json_tmpfile):
"""
Child tasks should be generated and executed properly
if task A --> task B, and we queue & run A,
then we should end up with one A task completed and one queued B task
"""
enqueue(app1, job_id1)
run_code(log, tasks_json_tmpfile, app1)
validate_one_completed_task(app1, job_id1)
# check child
validate_one_queued_task(app2, job_id1)
def test_complex_dependencies_pull_push(
depends_on1, depends_on_job_id1, log, tasks_json_tmpfile):
job_id = depends_on_job_id1
enqueue(depends_on1, job_id)
run_code(log, tasks_json_tmpfile, depends_on1, '--bash_cmd echo 123')
parents = api.get_parents(depends_on1, job_id)
parents = list(api.topological_sort(parents))
for parent, pjob_id in parents[:-1]:
qb.set_state(parent, pjob_id, completed=True)
validate_zero_queued_task(depends_on1)
qb.set_state(*parents[-1], completed=True)
validate_one_queued_task(depends_on1, job_id)
run_code(log, tasks_json_tmpfile, depends_on1, '--bash_cmd echo 123')
validate_one_completed_task(depends_on1, job_id)
def test_rerun_pull_tasks1(app1, app2, job_id1, log, tasks_json_tmpfile):
# queue and complete app 1. it queues a child
enqueue(app1, job_id1)
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
validate_zero_queued_task(app1)
validate_one_queued_task(app2, job_id1)
# complete app 2
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_zero_queued_task(app2)
# readd app 2
qb.readd_subtask(app2, job_id1)
validate_zero_queued_task(app1)
validate_one_queued_task(app2, job_id1)
# run app 2. the parent was previously completed
run_code(log, tasks_json_tmpfile, app2)
validate_one_completed_task(app1, job_id1) # previously completed
validate_one_completed_task(app2, job_id1)
def test_race_condition_when_parent_queues_child(
app1, app2, job_id1, log, tasks_json_tmpfile):
# The parent queues the child and the child runs before the parent gets
# a chance to mark itself as completed
qb.set_state(app1, job_id1, pending=True)
lock = qb.obtain_execute_lock(app1, job_id1)
assert lock
qb.set_state(app1, job_id1, completed=True)
qb.set_state(app1, job_id1, pending=True)
validate_one_queued_task(app2, job_id1)
validate_zero_queued_task(app1)
# should not complete child. should de-queue child
# should not queue parent.
# should exit gracefully
# stays in the queue (forever) until parent state is completed
run_code(log, tasks_json_tmpfile, app2)
validate_zero_queued_task(app1)
validate_one_queued_task(app2, job_id1)
qb.set_state(
app1, job_id1, completed=True,
_disable_maybe_queue_children_for_testing_only=True)
lock.release()
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
run_code(log, tasks_json_tmpfile, app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
def test_create_parent_task_after_child_completed(app1, app3, job_id1,
func_name):
# if you modify the tasks.json file in the middle of processing the dag
# modifications to the json file should be recognized appropriately
# we do not re-schedule the child unless parent is completed
qb.set_state(app1, job_id1, completed=True)
validate_one_completed_task(app1, job_id1)
injected_app = app3
child_injapp = 'test_stolos/%s/testX' % func_name
dct = {
injected_app: {
},
child_injapp: {
"depends_on": {"app_name": [injected_app]}
}
}
with inject_into_dag(func_name, dct):
validate_zero_queued_task(injected_app)
qb.set_state(injected_app, job_id1, completed=True)
validate_one_completed_task(injected_app, job_id1)
validate_one_queued_task(child_injapp, job_id1)
def test_rerun_push_tasks_when_manually_queuing_child_and_parent(
app1, app2, job_id1):
_test_rerun_tasks_when_manually_queuing_child_and_parent(
app1, app2, job_id1)
# complete parent first
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
# child completes normally
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
def test_rerun_pull_tasks_when_manually_queuing_child_and_parent(
app1, app2, job_id1):
_test_rerun_tasks_when_manually_queuing_child_and_parent(
app1, app2, job_id1)
# complete child first
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
# --> parent still queued
validate_one_queued_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
# then complete parent
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
# --> child gets re-queued
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
# complete child second time
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
def test_complex_dependencies_readd(depends_on1, depends_on_job_id1,
log, tasks_json_tmpfile):
job_id = depends_on_job_id1
# mark everything completed. ensure only last completed parent queues child
parents = list(api.topological_sort(api.get_parents(depends_on1, job_id)))
for parent, pjob_id in parents[:-1]:
qb.set_state(parent, pjob_id, completed=True)
validate_zero_queued_task(depends_on1)
qb.set_state(parents[-1][0], parents[-1][1], completed=True)
validate_one_queued_task(depends_on1, job_id)
# --> parents should queue our app
consume_queue(depends_on1)
qb.set_state(depends_on1, job_id, completed=True)
validate_one_completed_task(depends_on1, job_id)
# ok great - ran through pipeline once.
log.warn("OK... Now try complex dependency test with a readd")
# re-complete the very first parent.
# we assume that this parent is a root task
parent, pjob_id = parents[0]
qb.readd_subtask(parent, pjob_id)
validate_one_queued_task(parent, pjob_id)
validate_zero_queued_task(depends_on1)
consume_queue(parent)
qb.set_state(parent, pjob_id, completed=True)
validate_one_completed_task(parent, pjob_id)
# since the parent that re-queues children that may be depends_on1's
# parents, complete those too!
for p2, pjob2 in api.get_children(parent, pjob_id, False):
if p2 == depends_on1:
continue
consume_queue(p2)
qb.set_state(p2, pjob2, completed=True)
# now, that last parent should have queued our application
validate_n_queued_task(
depends_on1, job_id,
job_id.replace('testID1', 'testID3')) # this replace is a hack
run_code(log, tasks_json_tmpfile, depends_on1, '--bash_cmd echo 123')
run_code(log, tasks_json_tmpfile, depends_on1, '--bash_cmd echo 123')
validate_one_completed_task(depends_on1, job_id)
def _test_rerun_tasks_when_manually_queuing_child_and_parent(
app1, app2, job_id1):
# complete parent and child
enqueue(app1, job_id1)
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
# manually re-add child
qb.readd_subtask(app2, job_id1)
validate_one_queued_task(app2, job_id1)
validate_one_completed_task(app1, job_id1)
# manually re-add parent
qb.readd_subtask(app1, job_id1)
validate_one_queued_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
def test_pull_tasks_with_many_children(app1, app2, app3, app4, job_id1,
log, tasks_json_tmpfile):
enqueue(app4, job_id1)
validate_one_queued_task(app4, job_id1)
validate_zero_queued_task(app1)
validate_zero_queued_task(app2)
validate_zero_queued_task(app3)
run_code(log, tasks_json_tmpfile, app4, '--bash_cmd echo app4helloworld')
validate_zero_queued_task(app4)
validate_one_queued_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
validate_one_queued_task(app3, job_id1)
consume_queue(app1)
qb.set_state(app1, job_id1, completed=True)
validate_zero_queued_task(app4)
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
validate_one_queued_task(app3, job_id1)
consume_queue(app2)
qb.set_state(app2, job_id1, completed=True)
validate_zero_queued_task(app4)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
validate_one_queued_task(app3, job_id1)
consume_queue(app3)
qb.set_state(app3, job_id1, completed=True)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
validate_one_completed_task(app3, job_id1)
validate_one_queued_task(app4, job_id1)
consume_queue(app4)
qb.set_state(app4, job_id1, completed=True)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
validate_one_completed_task(app3, job_id1)
validate_one_completed_task(app4, job_id1)
def test_rerun_push_tasks1(app1, app2, job_id1):
# this tests recursively deleteing parent status on child nodes
# queue and complete app 1. it queues a child
enqueue(app1, job_id1)
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
# complete app 2
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
# readd app 1
qb.readd_subtask(app1, job_id1)
validate_one_queued_task(app1, job_id1)
validate_zero_queued_task(app2)
nose.tools.assert_true(
qb.check_state(app2, job_id1, pending=True))
# complete app 1
qb.set_state(app1, job_id1, completed=True)
consume_queue(app1)
validate_one_completed_task(app1, job_id1)
validate_one_queued_task(app2, job_id1)
# complete app 2
qb.set_state(app2, job_id1, completed=True)
consume_queue(app2)
validate_one_completed_task(app1, job_id1)
validate_one_completed_task(app2, job_id1)
