| #!/usr/bin/env 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. |
| |
| Ambari Agent |
| |
| """ |
| |
| from resource_management.libraries.script import Script |
| from resource_management.libraries.functions.constants import Direction |
| from resource_management.libraries.functions.default import default |
| from resource_management.core.exceptions import Fail |
| from resource_management.core.logger import Logger |
| from resource_management.core.resources.packaging import Package |
| |
| |
| class RemoveBits(Script): |
| """ |
| This script is called during Express Upgrade to remove bits. |
| """ |
| |
| def remove_hdp_21(self, env): |
| """ |
| During Express Upgrade from HDP 2.1 to any higher version (HDP 2.2 or 2.3), the HDP 2.1 bits must be uninstalled. |
| This is because /usr/bin/hadoop used to be a shell script in HDP 2.1, but in HDP 2.3 it is |
| a symlink to <stack-root>/current/hadoop-client/bin/hadoop |
| so both versions cannot coexist. |
| """ |
| Logger.info("Attempting to remove bits for HDP 2.1") |
| config = Script.get_config() |
| |
| packages_to_remove = ["zookeeper", "hadoop", "hadoop-lzo", "hadoop-hdfs", "hadoop-libhdfs", "hadoop-yarn", "hadoop-client", "hadoop-mapreduce", "hive", "hive-hcatalog", "hive-jdbc", "hive-webhcat", "hcatalog", "webhcat-tar-hive", "webhcat-tar-pig", "oozie", "oozie-client", "pig", "sqoop", "tez" "falcon", "storm", "flume", "hbase", "phoenix"] |
| packages_to_remove.reverse() |
| Logger.info("Packages to remove: {0}".format(" ".join(packages_to_remove))) |
| |
| for name in packages_to_remove: |
| Logger.info("Attempting to remove {0}".format(name)) |
| Package(name, action="remove") |
| |
| if __name__ == "__main__": |
| RemoveBits().execute() |