| #!/usr/bin/python |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import util |
| from ozone.exceptions import ContainerNotFoundError |
| |
| |
| class Container: |
| |
| def __init__(self, container_id, cluster): |
| self.container_id = container_id |
| self.cluster = cluster |
| |
| def is_on(self, datanode): |
| return self.cluster.is_container_replica_exist(self.container_id, datanode) |
| |
| def get_datanode_states(self): |
| dns = self.cluster.get_container_datanodes(self.container_id) |
| states = [] |
| for dn in dns: |
| states.append(self.get_state(dn)) |
| return states |
| |
| def get_state(self, datanode): |
| return self.cluster.get_container_state(self.container_id, datanode) |
| |
| def wait_until_replica_is_quasi_closed(self, datanode): |
| def predicate(): |
| try: |
| if self.cluster.get_container_state(self.container_id, datanode) == 'QUASI_CLOSED': |
| return True |
| else: |
| return False |
| except ContainerNotFoundError: |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("Replica is not quasi closed!") |
| |
| def wait_until_one_replica_is_quasi_closed(self): |
| def predicate(): |
| dns = self.cluster.get_container_datanodes(self.container_id) |
| for dn in dns: |
| if self.cluster.get_container_state(self.container_id, dn) == 'QUASI_CLOSED': |
| return True |
| else: |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("None of the container replica is quasi closed!") |
| |
| def wait_until_replica_is_closed(self, datanode): |
| def predicate(): |
| try: |
| if self.cluster.get_container_state(self.container_id, datanode) == 'CLOSED': |
| return True |
| else: |
| return False |
| except ContainerNotFoundError: |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("Replica is not closed!") |
| |
| def wait_until_one_replica_is_closed(self): |
| def predicate(): |
| dns = self.cluster.get_container_datanodes(self.container_id) |
| for dn in dns: |
| if self.cluster.get_container_state(self.container_id, dn) == 'CLOSED': |
| return True |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("None of the container replica is closed!") |
| |
| def wait_until_two_replicas_are_closed(self): |
| def predicate(): |
| dns = self.cluster.get_container_datanodes(self.container_id) |
| closed_count = 0 |
| for dn in dns: |
| if self.cluster.get_container_state(self.container_id, dn) == 'CLOSED': |
| closed_count = closed_count + 1 |
| if closed_count > 1: |
| return True |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("None of the container replica is closed!") |
| |
| def wait_until_all_replicas_are_closed(self): |
| def predicate(): |
| try: |
| dns = self.cluster.get_container_datanodes(self.container_id) |
| for dn in dns: |
| if self.cluster.get_container_state(self.container_id, dn) != 'CLOSED': |
| return False |
| return True |
| except ContainerNotFoundError: |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("Not all the replicas are closed!") |
| |
| def wait_until_replica_is_not_open_anymore(self, datanode): |
| def predicate(): |
| try: |
| if self.cluster.get_container_state(self.container_id, datanode) != 'OPEN' and \ |
| self.cluster.get_container_state(self.container_id, datanode) != 'CLOSING': |
| return True |
| else: |
| return False |
| except ContainerNotFoundError: |
| return False |
| |
| util.wait_until(predicate, int(os.environ["CONTAINER_STATUS_SLEEP"]), 10) |
| if not predicate(): |
| raise Exception("Replica is not closed!") |