def substitute_thermos(cls, command, task, cluster, **kw):
prefix_command = 'cd %s;' % cls.thermos_sandbox(cluster, **kw)
thermos_namespace = ThermosContext(
task_id=task.assignedTask.taskId,
ports=task.assignedTask.assignedPorts)
mesos_namespace = MesosContext(instance=task.assignedTask.instanceId)
command = String(prefix_command + command) % Environment(
thermos=thermos_namespace, mesos=mesos_namespace)
return command.get()
def interpolate_cmd(task, cmd):
"""
:param task: Assigned task passed from Mesos Agent
:param cmd: Command defined inside shell_command inside config.
:return: Interpolated cmd with filled in values, for example ports.
"""
thermos_namespace = ThermosContext(task_id=task.taskId,
ports=task.assignedPorts)
mesos_namespace = MesosContext(instance=task.instanceId)
command = String(cmd) % Environment(thermos=thermos_namespace,
mesos=mesos_namespace)
return command.get()
def task_instance_from_job(job, instance, hostname):
instance_context = MesosContext(instance=instance, hostname=hostname)
health_check_config = HealthCheckConfig()
if job.has_health_check_config():
health_check_config = job.health_check_config()
ti = MesosTaskInstance(task=job.task(),
role=job.role(),
health_check_config=health_check_config,
instance=instance)
if job.has_announce():
ti = ti(announce=job.announce())
if job.has_environment():
ti = ti(environment=job.environment())
if job.has_lifecycle():
ti = ti(lifecycle=job.lifecycle())
return ti.bind(mesos=instance_context)
def task_instance_from_job(job, instance):
instance_context = MesosContext(instance=instance)
# TODO(Sathya): Remove health_check_interval_secs references after deprecation cycle is complete.
health_check_config = HealthCheckConfig()
if job.has_health_check_interval_secs():
health_check_config = HealthCheckConfig(
interval_secs=job.health_check_interval_secs().get())
elif job.has_health_check_config():
health_check_config = job.health_check_config()
ti = MesosTaskInstance(
task=job.task(),
role=job.role(),
health_check_interval_secs=health_check_config.interval_secs().get(),
health_check_config=health_check_config,
instance=instance)
if job.has_announce():
ti = ti(announce=job.announce())
if job.has_environment():
ti = ti(environment=job.environment())
return ti.bind(mesos=instance_context).interpolate()
def context(self, instance=None): context = dict(instance=instance) # Filter unspecified values return Environment(mesos=MesosContext(dict((k, v) for k, v in context.items() if v)))