Package org.apache.whirr.service.ClusterSpec

Examples of org.apache.whirr.service.ClusterSpec.InstanceTemplate

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  public void testApplyRoleAliases() {
    CompositeConfiguration c = new CompositeConfiguration();
    Configuration config = new PropertiesConfiguration();
    config.addProperty("whirr.instance-templates", "1 nn+jt+tt+dn+zk");
    c.addConfiguration(config);   
    InstanceTemplate template = InstanceTemplate.parse(c).get(0);
    Set<String> expected = Sets.newLinkedHashSet(Arrays.asList(new String[]{
        "hadoop-namenode", "hadoop-jobtracker", "hadoop-tasktracker",
        "hadoop-datanode", "zookeeper"}));
    assertThat(template.getRoles(), is(expected));
  }
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    Configuration conf = new PropertiesConfiguration();
    conf.addProperty("whirr.instance-templates", "1 hadoop-namenode+hadoop-jobtracker,3 hadoop-datanode+hadoop-tasktracker");
    conf.addProperty("whirr.instance-templates-max-percent-failures", "60 % hadoop-datanode+hadoop-tasktracker");
    ClusterSpec expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    List<InstanceTemplate> templates = expectedClusterSpec.getInstanceTemplates();
    InstanceTemplate t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    InstanceTemplate t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(2));
  }
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    Configuration conf = new PropertiesConfiguration();
    conf.addProperty("whirr.instance-templates", "1 hadoop-namenode+hadoop-jobtracker,3 hadoop-datanode+hadoop-tasktracker");
    conf.addProperty("whirr.instance-templates-max-percent-failures", "60% hadoop-datanode+hadoop-tasktracker");
    ClusterSpec expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    List<InstanceTemplate> templates = expectedClusterSpec.getInstanceTemplates();
    InstanceTemplate t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    InstanceTemplate t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(2));
  }
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    Configuration conf = new PropertiesConfiguration();
    conf.addProperty("whirr.instance-templates", "1 hadoop-namenode+hadoop-jobtracker,3 hadoop-datanode+hadoop-tasktracker");
    conf.addProperty("whirr.instance-templates-max-percent-failures", "100 hadoop-namenode+hadoop-jobtracker,60 hadoop-datanode+hadoop-tasktracker");
    ClusterSpec expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    List<InstanceTemplate> templates = expectedClusterSpec.getInstanceTemplates();
    InstanceTemplate t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    InstanceTemplate t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(2));
   
    conf.setProperty("whirr.instance-templates-max-percent-failures", "60 hadoop-datanode+hadoop-tasktracker");
    expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    templates = expectedClusterSpec.getInstanceTemplates();
    t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(2));

    conf.addProperty("whirr.instance-templates-minumum-number-of-instances", "1 hadoop-datanode+hadoop-tasktracker");
    expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    templates = expectedClusterSpec.getInstanceTemplates();
    t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(2));

    conf.setProperty("whirr.instance-templates-minimum-number-of-instances", "3 hadoop-datanode+hadoop-tasktracker");
    expectedClusterSpec = ClusterSpec.withNoDefaults(conf);
    templates = expectedClusterSpec.getInstanceTemplates();
    t1 = templates.get(0);
    assertThat(t1.getMinNumberOfInstances(), is(1));
    t2 = templates.get(1);
    assertThat(t2.getMinNumberOfInstances(), is(3));
  }
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Related Classes of org.apache.whirr.service.ClusterSpec.InstanceTemplate

  • org.apache.whirr.cluster.actions.BootstrapClusterAction
  • org.apache.whirr.service.cassandra.CassandraService
  • org.apache.whirr.service.ClusterSpecTest
  • org.apache.whirr.service.hadoop.HadoopService
  • org.apache.whirr.service.zookeeper.ZooKeeperService
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