| # |
| # |
| # 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. |
| # |
| # |
| class hdp2-hadoop::datanode( |
| $service_state = $hdp2::params::cluster_service_state, |
| $opts = {} |
| ) inherits hdp2-hadoop::params |
| { |
| |
| $hdp2::params::service_exists['hdp2-hadoop::datanode'] = true |
| |
| Hdp2-hadoop::Common<||>{service_states +> $service_state} |
| |
| if ($hdp2::params::use_32_bits_on_slaves == true) { |
| Hdp2-hadoop::Package<||>{include_32_bit => true} |
| Hdp2-hadoop::Configfile<||>{sizes +> 32} |
| } else { |
| Hdp2-hadoop::Package<||>{include_64_bit => true} |
| Hdp2-hadoop::Configfile<||>{sizes +> 64} |
| } |
| |
| if ($service_state == 'no_op') { |
| } elsif ($service_state in ['running','stopped','installed_and_configured','uninstalled']) { |
| $dfs_data_dir = $hdp2-hadoop::params::dfs_data_dir |
| |
| if (($hdp2::params::service_exists['hdp2-hadoop::namenode'] == true) or ($hdp2::params::service_exists['hdp2-hadoop::snamenode'] == true)){ |
| $a_namenode_on_node = true |
| } else { |
| $a_namenode_on_node = false |
| } |
| |
| #adds package, users and directories, and common hadoop configs |
| include hdp2-hadoop::initialize |
| |
| hdp2-hadoop::datanode::create_data_dirs { $dfs_data_dir: |
| service_state => $service_state |
| } |
| |
| if ($a_namenode_on_node == true){ |
| $create_pid_dir = false |
| $create_log_dir = false |
| } else { |
| $create_pid_dir = true |
| $create_log_dir = true |
| } |
| |
| hdp2-hadoop::service{ 'datanode': |
| ensure => $service_state, |
| user => $hdp2-hadoop::params::hdfs_user, |
| create_pid_dir => $create_pid_dir, |
| create_log_dir => $create_log_dir |
| } |
| |
| #top level does not need anchors |
| Class['hdp2-hadoop'] -> Hdp2-hadoop::Service['datanode'] |
| Hdp2-hadoop::Datanode::Create_data_dirs<||> -> Hdp2-hadoop::Service['datanode'] |
| } else { |
| hdp_fail("TODO not implemented yet: service_state = ${service_state}") |
| } |
| } |
| |
| define hdp2-hadoop::datanode::create_data_dirs($service_state) |
| { |
| $dirs = hdp_array_from_comma_list($name) |
| hdp2::directory_recursive_create { $dirs : |
| owner => $hdp2-hadoop::params::hdfs_user, |
| mode => '0750', |
| service_state => $service_state, |
| force => true |
| } |
| } |