Revert "[Streaming] Fault Tolerance Implementation (#10008)" (#10582)

This reverts commit 1b1466748f.

streaming/python/runtime/remote_call.py

@@ -1,95 +0,0 @@
-import logging
-import os
-import ray
-import time
-from enum import Enum
-
-from ray.actor import ActorHandle
-from ray.streaming.generated import remote_call_pb2
-from ray.streaming.runtime.command\
-    import WorkerCommitReport, WorkerRollbackRequest
-
-logger = logging.getLogger(__name__)
-
-
-class CallResult:
-    """
-    Call Result
-    """
-
-    def __init__(self, success, result_code, result_msg, result_obj):
-        self.success = success
-        self.result_code = result_code
-        self.result_msg = result_msg
-        self.result_obj = result_obj
-
-    @staticmethod
-    def success(payload=None):
-        return CallResult(True, CallResultEnum.SUCCESS, None, payload)
-
-    @staticmethod
-    def fail(payload=None):
-        return CallResult(False, CallResultEnum.FAILED, None, payload)
-
-    @staticmethod
-    def skipped(msg=None):
-        return CallResult(True, CallResultEnum.SKIPPED, msg, None)
-
-    def is_success(self):
-        if self.result_code is CallResultEnum.SUCCESS:
-            return True
-
-        return False
-
-
-class CallResultEnum(Enum):
-    """
-    call result enum
-    """
-
-    SUCCESS = 0
-    FAILED = 1
-    SKIPPED = 2
-
-
-class RemoteCallMst:
-    """
-    remote call job master
-    """
-
-    @staticmethod
-    def request_job_worker_rollback(master: ActorHandle,
-                                    request: WorkerRollbackRequest):
-        logger.info("Remote call mst: request job worker rollback start.")
-        request_pb = remote_call_pb2.BaseWorkerCmd()
-        request_pb.actor_id = request.from_actor_id
-        request_pb.timestamp = int(time.time() * 1000.0)
-        rollback_request_pb = remote_call_pb2.WorkerRollbackRequest()
-        rollback_request_pb.exception_msg = request.exception_msg()
-        rollback_request_pb.worker_hostname = os.uname()[1]
-        rollback_request_pb.worker_pid = str(os.getpid())
-        request_pb.detail.Pack(rollback_request_pb)
-        return_ids = master.requestJobWorkerRollback\
-            .remote(request_pb.SerializeToString())
-        result = remote_call_pb2.BoolResult()
-        result.ParseFromString(ray.get(return_ids))
-        logger.info("Remote call mst: request job worker rollback finish.")
-        return result.boolRes
-
-    @staticmethod
-    def report_job_worker_commit(master: ActorHandle,
-                                 report: WorkerCommitReport):
-        logger.info("Remote call mst: report job worker commit start.")
-        report_pb = remote_call_pb2.BaseWorkerCmd()
-
-        report_pb.actor_id = report.from_actor_id
-        report_pb.timestamp = int(time.time() * 1000.0)
-        wk_commit = remote_call_pb2.WorkerCommitReport()
-        wk_commit.commit_checkpoint_id = report.commit_checkpoint_id
-        report_pb.detail.Pack(wk_commit)
-        return_id = master.reportJobWorkerCommit\
-            .remote(report_pb.SerializeToString())
-        result = remote_call_pb2.BoolResult()
-        result.ParseFromString(ray.get(return_id))
-        logger.info("Remote call mst: report job worker commit finish.")
-        return result.boolRes