ambari/ambari-web/app/mappers/hosts_mapper.js

/**
 * 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.
 */


App.hostsMapper = App.QuickDataMapper.create({
  model : App.Host,
  config : {
    id : 'Hosts.host_name',
    host_name : 'Hosts.host_name',
    cluster_id: 'Hosts.cluster_name',//1
    components_key: 'host_components',
    components_type: 'array',
    components: {
      item : 'HostRoles.component_name'
    },
    rack: 'Hosts.rack_info',
    host_components_key: 'host_components',
    host_components_type: 'array',
    host_components: {
      item: 'id'
    },
    cpu : 'Hosts.cpu_count',
    memory : 'Hosts.total_mem',
    disk_info: 'Hosts.disk_info',
    $disk_usage: '-',
    health_status: 'Hosts.host_status',
    $load_avg: '-',
    $cpu_usage: 33,
    $memory_usage: 26,
    $network_usage: 36,
    $io_usage: 39,
    last_heart_beat_time : "Hosts.last_heartbeat_time",
    os_arch : 'Hosts.os_arch',
    os_type : 'Hosts.os_type',
    ip : 'Hosts.ip'
  },
  map: function (json) {
    if (!this.get('model')) {
      return;
    }

    if (json.items) {
      var result = [];

      json.items.forEach(function (item) {
        item.host_components.forEach(function(host_component){
          host_component.id = host_component.HostRoles.component_name + "_" + host_component.HostRoles.host_name;
        }, this);
        result.push(this.parseIt(item, this.config));
      }, this);

      //console.log(this.get('model'), result);
      App.store.loadMany(this.get('model'), result);
    }
  }

});