| #!/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. |
| |
| """ |
| |
| # Python Imports |
| |
| # Ambari Commons & Resource Management imports |
| import os |
| from resource_management.core.logger import Logger |
| from resource_management.libraries.functions.format import format |
| from resource_management.core.resources.system import File, Execute |
| from resource_management.libraries.functions import get_user_call_output |
| from ambari_commons.os_family_impl import OsFamilyFuncImpl, OsFamilyImpl |
| from ambari_commons import OSConst |
| |
| # Local Imports |
| from hive_service import check_fs_root |
| |
| |
| @OsFamilyFuncImpl(os_family=OSConst.WINSRV_FAMILY) |
| def hive_service_interactive(name, action='start', upgrade_type=None): |
| pass |
| |
| |
| @OsFamilyFuncImpl(os_family=OsFamilyImpl.DEFAULT) |
| def hive_service_interactive(name, action='start', upgrade_type=None): |
| import params |
| |
| pid_file = format("{hive_pid_dir}/{hive_interactive_pid}") |
| cmd = format("{start_hiveserver2_interactive_path} {hive_pid_dir}/hive-server2-interactive.out {hive_log_dir}/hive-server2-interactive.err {pid_file} {hive_server_interactive_conf_dir} {hive_log_dir}") |
| |
| pid = get_user_call_output.get_user_call_output(format("cat {pid_file}"), user=params.hive_user, is_checked_call=False)[1] |
| process_id_exists_command = format("ls {pid_file} >/dev/null 2>&1 && ps -p {pid} >/dev/null 2>&1") |
| |
| if action == 'start': |
| check_fs_root(params.hive_server_interactive_conf_dir, params.execute_path_hive_interactive) |
| daemon_cmd = cmd |
| hive_interactive_bin = format("{stack_root}/current/hive-server2-hive2/bin/hive2") |
| |
| Execute(daemon_cmd, |
| user = params.hive_user, |
| environment = { 'JAVA_HOME': params.java64_home, 'HIVE_BIN': hive_interactive_bin }, |
| path = params.execute_path, |
| not_if = process_id_exists_command) |
| |
| if params.hive_jdbc_driver == "com.mysql.jdbc.Driver" or \ |
| params.hive_jdbc_driver == "org.postgresql.Driver" or \ |
| params.hive_jdbc_driver == "oracle.jdbc.driver.OracleDriver": |
| |
| path_to_jdbc = params.target_hive_interactive |
| if not params.jdbc_jar_name: |
| path_to_jdbc = format("{hive_interactive_lib}/") + \ |
| params.default_connectors_map[params.hive_jdbc_driver] if params.hive_jdbc_driver in params.default_connectors_map else None |
| if not os.path.isfile(path_to_jdbc): |
| path_to_jdbc = format("{hive_interactive_lib}/") + "*" |
| error_message = "Error! Sorry, but we can't find jdbc driver with default name " + params.default_connectors_map[params.hive_jdbc_driver] + \ |
| " in hive lib dir. So, db connection check can fail. Please run 'ambari-server setup --jdbc-db={db_name} --jdbc-driver={path_to_jdbc} on server host.'" |
| Logger.error(error_message) |
| |
| db_connection_check_command = format( |
| "{java64_home}/bin/java -cp {check_db_connection_jar}:{path_to_jdbc} org.apache.ambari.server.DBConnectionVerification '{hive_jdbc_connection_url}' {hive_metastore_user_name} {hive_metastore_user_passwd!p} {hive_jdbc_driver}") |
| Execute(db_connection_check_command, |
| path='/usr/sbin:/sbin:/usr/local/bin:/bin:/usr/bin', tries=5, try_sleep=10) |
| elif action == 'stop': |
| |
| daemon_kill_cmd = format("{sudo} kill {pid}") |
| daemon_hard_kill_cmd = format("{sudo} kill -9 {pid}") |
| |
| Execute(daemon_kill_cmd, |
| not_if = format("! ({process_id_exists_command})") |
| ) |
| |
| # check if stopped the process, otherwise send hard kill command. |
| try: |
| Execute(format("! ({process_id_exists_command})"), |
| tries=10, |
| try_sleep=3, |
| ) |
| except: |
| Execute(daemon_hard_kill_cmd, |
| not_if = format("! ({process_id_exists_command}) ") |
| ) |
| |
| # check if stopped the process, else fail the task |
| Execute(format("! ({process_id_exists_command})"), |
| tries=20, |
| try_sleep=3, |
| ) |
| |
| File(pid_file, |
| action = "delete" |
| ) |