def mesos_job_from_assigned_task(assigned_task):
"""Deserialize a MesosJob pystachio struct from an AssignedTask."""
thermos_task = assigned_task.task.executorConfig.data
try:
json_blob = json.loads(thermos_task)
except (TypeError, ValueError):
return None
if 'instance' in json_blob:
# This is a MesosTaskInstance so we cannot get a MesosJob from this assigned_task
return None
return MesosJob.json_loads(thermos_task)
def mesos_job_from_assigned_task(assigned_task):
"""Deserialize a MesosJob pystachio struct from an AssignedTask."""
thermos_task = assigned_task.task.executorConfig.data
try:
json_blob = json.loads(thermos_task)
except (TypeError, ValueError):
return None
if 'instance' in json_blob:
# This is a MesosTaskInstance so we cannot get a MesosJob from this assigned_task
return None
return MesosJob.json_loads(thermos_task)
def mesos_task_instance_from_assigned_task(assigned_task):
"""Deserialize MesosTaskInstance from an AssignedTask thrift."""
thermos_task = assigned_task.task.executorConfig.data
if not thermos_task:
raise ValueError('Task did not have a thermos config!')
try:
json_blob = json.loads(thermos_task)
except (TypeError, ValueError) as e:
raise ValueError('Could not deserialize thermos config: %s' % e)
# As part of the transition for MESOS-2133, we can send either a MesosTaskInstance
# or we can be sending a MesosJob. So handle both possible cases. Once everyone
# is using MesosJob, then we can begin to leverage additional information that
# becomes available such as cluster.
if 'instance' in json_blob:
return MesosTaskInstance.json_loads(thermos_task)
# This is a MesosJob
mti, refs = task_instance_from_job(MesosJob.json_loads(thermos_task),
assigned_task.instanceId)
for ref in refs:
# If the ref is {{thermos.task_id}} or a subscope of
# {{thermos.ports}}, it currently gets bound by the Thermos Runner,
# so we must leave them unbound.
#
# {{thermos.user}} is a legacy binding which we can safely ignore.
#
# TODO(wickman) These should be rewritten by the mesos client to use
# %%style%% replacements in order to allow us to better type-check configs
# client-side.
if ref == Ref.from_address('thermos.task_id'):
continue
if Ref.subscope(Ref.from_address('thermos.ports'), ref):
continue
if ref == Ref.from_address('thermos.user'):
continue
raise ValueError('Unexpected unbound refs: %s' %
' '.join(map(str, refs)))
return mti
def mesos_task_instance_from_assigned_task(assigned_task):
"""Deserialize MesosTaskInstance from an AssignedTask thrift."""
thermos_task = assigned_task.task.executorConfig.data
if not thermos_task:
raise ValueError('Task did not have a thermos config!')
try:
json_blob = json.loads(thermos_task)
except (TypeError, ValueError) as e:
raise ValueError('Could not deserialize thermos config: %s' % e)
# As part of the transition for MESOS-2133, we can send either a MesosTaskInstance
# or we can be sending a MesosJob. So handle both possible cases. Once everyone
# is using MesosJob, then we can begin to leverage additional information that
# becomes available such as cluster.
if 'instance' in json_blob:
return MesosTaskInstance.json_loads(thermos_task)
# This is a MesosJob
mti, refs = task_instance_from_job(MesosJob.json_loads(thermos_task), assigned_task.instanceId)
for ref in refs:
# If the ref is {{thermos.task_id}} or a subscope of
# {{thermos.ports}}, it currently gets bound by the Thermos Runner,
# so we must leave them unbound.
#
# {{thermos.user}} is a legacy binding which we can safely ignore.
#
# TODO(wickman) These should be rewritten by the mesos client to use
# %%style%% replacements in order to allow us to better type-check configs
# client-side.
if ref == Ref.from_address('thermos.task_id'):
continue
if Ref.subscope(Ref.from_address('thermos.ports'), ref):
continue
if ref == Ref.from_address('thermos.user'):
continue
raise ValueError('Unexpected unbound refs: %s' % ' '.join(map(str, refs)))
return mti
HELLO_WORLD_TASK_ID = 'hello_world-001'
HELLO_WORLD = BASE_TASK(name='hello_world',
processes=[
Process(name='hello_world_{{thermos.task_id}}',
cmdline='echo hello world')
])
HELLO_WORLD_MTI = BASE_MTI(task=HELLO_WORLD)
SLEEP60 = BASE_TASK(processes=[Process(name='sleep60', cmdline='sleep 60')])
SLEEP2 = BASE_TASK(processes=[Process(name='sleep2', cmdline='sleep 2')])
SLEEP60_MTI = BASE_MTI(task=SLEEP60)
MESOS_JOB = MesosJob(
name='does_not_matter',
instances=1,
role=getpass.getuser(),
)
def make_provider(checkpoint_root, runner_class=ThermosTaskRunner):
return DefaultThermosTaskRunnerProvider(
pex_location=os.path.join('dist', 'thermos_runner.pex'),
checkpoint_root=checkpoint_root,
task_runner_class=runner_class,
)
def make_executor(proxy_driver,
checkpoint_root,
task,
