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import time
class ManagerLost(Exception):
"""
Task lost due to manager loss. Manager is considered lost when multiple heartbeats
have been missed.
"""
def __init__(self, manager_id: bytes, hostname: str) -> None:
self.manager_id = manager_id
self.tstamp = time.time()
self.hostname = hostname
def __str__(self) -> str:
return (
f"Task failure due to loss of manager {self.manager_id.decode()} on"
f" host {self.hostname}"
)
class VersionMismatch(Exception):
"""Manager and Interchange versions do not match"""
def __init__(self, interchange_version: str, manager_version: str):
self.interchange_version = interchange_version
self.manager_version = manager_version
def __str__(self) -> str:
return (
f"Manager version info {self.manager_version} does not match interchange"
f" version info {self.interchange_version}, causing a critical failure"
)
class WorkerLost(Exception):
"""Exception raised when a worker is lost
"""
def __init__(self, worker_id, hostname):
self.worker_id = worker_id
self.hostname = hostname
def __str__(self):
return "Task failure due to loss of worker {} on host {}".format(self.worker_id, self.hostname)
class CommandClientTimeoutError(Exception):
"""Raised when the command client times out waiting for a response.
"""
class CommandClientBadError(Exception):
"""Raised when the command client is bad from an earlier timeout.
"""
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