| /** |
| * Licensed 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. |
| */ |
| package org.apache.aurora.benchmark; |
| |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.apache.aurora.gen.Attribute; |
| import org.apache.aurora.gen.HostAttributes; |
| import org.apache.aurora.gen.MaintenanceMode; |
| import org.apache.aurora.scheduler.storage.entities.IHostAttributes; |
| |
| /** |
| * Host attribute builder. |
| */ |
| final class Hosts { |
| private Hosts() { |
| // Utility class. |
| } |
| |
| /** |
| * Builds host attributes for the specified configuration. |
| */ |
| static final class Builder { |
| private static final String SLAVE_ID_FORMAT = "slave-%s"; |
| private static final String HOST_NAME_FORMAT = "host-%s"; |
| private static final String RACK_NAME_FORMAT = "rack-%s"; |
| private int hostsPerRack = 1; |
| |
| Builder setNumHostsPerRack(int newHostsPerRack) { |
| hostsPerRack = newHostsPerRack; |
| return this; |
| } |
| |
| Set<IHostAttributes> build(int count) { |
| ImmutableSet.Builder<IHostAttributes> attributes = ImmutableSet.builder(); |
| int rackIndex = 0; |
| for (int i = 0; i < count; i++) { |
| attributes.add(IHostAttributes.build(new HostAttributes() |
| .setHost(String.format(HOST_NAME_FORMAT, i)) |
| .setSlaveId(String.format(SLAVE_ID_FORMAT, i)) |
| .setMode(MaintenanceMode.NONE) |
| .setAttributes(ImmutableSet.of( |
| new Attribute("rack", ImmutableSet.of(String.format(RACK_NAME_FORMAT, rackIndex))), |
| new Attribute("host", ImmutableSet.of(String.format(HOST_NAME_FORMAT, i))))))); |
| |
| if (i % hostsPerRack == 0) { |
| rackIndex++; |
| } |
| } |
| return attributes.build(); |
| } |
| } |
| } |