Package org.apache.hadoop.gateway.topology

Examples of org.apache.hadoop.gateway.topology.Topology

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    String name = "org/apache/hadoop/gateway/topology/xml/simple-topology-ambari-format.conf";
    URL url = ClassLoader.getSystemResource( name );
    assertThat( "Failed to find URL for resource " + name, url, notNullValue() );
    File file = new File( url.getFile() );
    TopologyBuilder topologyBuilder = digester.parse( url );
    Topology topology = topologyBuilder.build();
    assertThat( "Failed to parse resource " + name, topology, notNullValue() );
    topology.setTimestamp( file.lastModified() );

    assertThat( topology.getName(), is( "topology2" ) );
    assertThat( topology.getTimestamp(), is( file.lastModified() ) );
    assertThat( topology.getServices().size(), is( 4 ) );
    assertThat( topology.getProviders().size(), is( 2 ) );

    Service webhdfsService = topology.getService( "WEBHDFS", null );
    assertThat( webhdfsService, notNullValue() );
    assertThat( webhdfsService.getRole(), is( "WEBHDFS" ) );
    assertThat( webhdfsService.getName(), nullValue() );
    assertThat( webhdfsService.getUrl(), is( "http://host:50070/webhdfs" ) );

    Service webhcatService = topology.getService( "WEBHCAT", null );
    assertThat( webhcatService, notNullValue() );
    assertThat( webhcatService.getRole(), is( "WEBHCAT" ) );
    assertThat( webhcatService.getName(), nullValue() );
    assertThat( webhcatService.getUrl(), is( "http://host:50111/templeton" ) );

    Service oozieService = topology.getService( "OOZIE", null );
    assertThat( oozieService, notNullValue() );
    assertThat( oozieService.getRole(), is( "OOZIE" ) );
    assertThat( oozieService.getName(), nullValue() );
    assertThat( oozieService.getUrl(), is( "http://host:11000/oozie" ) );

    Service hiveService = topology.getService( "HIVE", null );
    assertThat( hiveService, notNullValue() );
    assertThat( hiveService.getRole(), is( "HIVE" ) );
    assertThat( hiveService.getName(), nullValue() );
    assertThat( hiveService.getUrl(), is( "http://host:10000" ) );

    Provider authenticationProvider = topology.getProvider( "authentication", "ShiroProvider" );
    assertThat( authenticationProvider, notNullValue() );
    assertThat( authenticationProvider.isEnabled(), is( true ) );
    assertThat( authenticationProvider.getRole(), is( "authentication" ) );
    assertThat( authenticationProvider.getName(), is( "ShiroProvider" ) );
    assertThat( authenticationProvider.getParams().size(), is( 5 ) );
    assertThat( authenticationProvider.getParams().get("main.ldapRealm.contextFactory.url"), is( "ldap://localhost:33389" ) );

    Provider identityAssertionProvider = topology.getProvider( "identity-assertion", "Pseudo" );
    assertThat( identityAssertionProvider, notNullValue() );
    assertThat( identityAssertionProvider.isEnabled(), is( false ) );
    assertThat( identityAssertionProvider.getRole(), is( "identity-assertion" ) );
    assertThat( identityAssertionProvider.getName(), is( "Pseudo" ) );
    assertThat( identityAssertionProvider.getParams().size(), is( 2 ) );
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    @Override
    public void handleTopologyEvent( List<TopologyEvent> events ) {
      synchronized ( GatewayServer.this ) {
        for( TopologyEvent event : events ) {
          Topology topology = event.getTopology();
          File topoDir = calculateAbsoluteTopologiesDir();
          File warDir = calculateDeploymentDir( topology );
          if( event.getType().equals( TopologyEvent.Type.DELETED ) ) {
            File[] files = topoDir.listFiles( new WarDirFilter( topology.getName() + "\\.war\\.[0-9A-Fa-f]+" ) );
            if( files != null ) {
              for( File file : files ) {
                log.deletingDeployment( file.getAbsolutePath() );
                internalUndeploy( topology );
                FileUtils.deleteQuietly( file );
              }
            }
          } else {
            try {
              if( !warDir.exists() ) {
                log.deployingTopology( topology.getName(), warDir.getAbsolutePath() );
                internalUndeploy( topology ); // KNOX-152
                WebArchive war = null;
                war = DeploymentFactory.createDeployment( config, topology );
                File tmp = war.as( ExplodedExporter.class ).exportExploded( topoDir, warDir.getName() + ".tmp" );
                tmp.renameTo( warDir );
                internalDeploy( topology, warDir );
                //log.deployedTopology( topology.getName());
              } else {
                log.redeployingTopology( topology.getName(), warDir.getAbsolutePath() );
                internalDeploy( topology, warDir );
                //log.redeployedTopology( topology.getName() );
              }
            } catch( Throwable e ) {
              log.failedToDeployTopology( topology.getName(), e );
            }
          }
        }
      }
    }
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      srvcs.init(config, options);
    } catch (ServiceLifecycleException e) {
      e.printStackTrace(); // I18N not required.
    }

    Topology topology = new Topology();
    topology.setName( "test-cluster" );
    Service service = new Service();
    service.setRole( "WEBHDFS" );
    service.setUrl( "http://localhost:50070/webhdfs" );
    topology.addService( service );
    Provider provider = new Provider();
    provider.setRole( "authentication" );
    provider.setEnabled( true );
    ProviderParam param = new ProviderParam();
    param.setName( "contextConfigLocation" );
    param.setValue( "classpath:app-context-security.xml" );
    provider.addParam( param );
    topology.addProvider( provider );
    Provider asserter = new Provider();
    asserter.setRole( "identity-assertion" );
    asserter.setName("Pseudo");
    asserter.setEnabled( true );
    topology.addProvider( asserter );
    Provider authorizer = new Provider();
    authorizer.setRole( "authorization" );
    authorizer.setName("AclsAuthz");
    authorizer.setEnabled( true );
    topology.addProvider( authorizer );

    WebArchive war = DeploymentFactory.createDeployment( config, topology );
    //File dir = new File( System.getProperty( "user.dir" ) );
    //File file = war.as( ExplodedExporter.class ).exportExploded( dir, "test-cluster.war" );
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  @Test
  public void testEmptyTopology() throws IOException, SAXException, ParserConfigurationException {
    GatewayConfig config = new GatewayConfigImpl();

    Topology topology = new Topology();
    topology.setName( "test-cluster" );

    WebArchive war = DeploymentFactory.createDeployment( config, topology );
    //File dir = new File( System.getProperty( "user.dir" ) );
    //File file = war.as( ExplodedExporter.class ).exportExploded( dir, "test-cluster.war" );
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  private static Topology loadTopology( FileObject file ) throws IOException, SAXException {
    log.loadingTopologyFile( file.getName().getFriendlyURI() );
    Digester digester = digesterLoader.newDigester();
    FileContent content = file.getContent();
    TopologyBuilder topologyBuilder = digester.parse( content.getInputStream() );
    Topology topology = topologyBuilder.build();
    topology.setName( FilenameUtils.removeExtension( file.getName().getBaseName() ) );
    topology.setTimestamp( content.getLastModifiedTime() );
    return topology;
  }
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      }
    }
    // Go through the new topologies and figure out what was updated vs added.
    for( FileName fileName : newTopologies.keySet() ) {
      if( oldTopologies.containsKey( fileName ) ) {
        Topology oldTopology = oldTopologies.get( fileName );
        Topology newTopology = newTopologies.get( fileName );
        if( newTopology.getTimestamp() > oldTopology.getTimestamp() ) {
          events.add( new TopologyEvent( TopologyEvent.Type.UPDATED, newTopologies.get( fileName ) ) );
        }
      } else {
        events.add( new TopologyEvent( TopologyEvent.Type.CREATED, newTopologies.get( fileName ) ) );
      }
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  private static void contribute(
      DeploymentContext context,
      Map<String,List<ProviderDeploymentContributor>> providers,
      Map<String,List<ServiceDeploymentContributor>> services ) {
      Topology topology = context.getTopology();
    for( Provider provider : topology.getProviders() ) {
      ProviderDeploymentContributor contributor = getProviderContributor( providers, provider.getRole(), provider.getName() );
      if( contributor != null && provider.isEnabled() ) {
        try {
          contributor.contributeProvider( context, provider );
        } catch( Exception e ) {
          // Maybe it makes sense to throw exception
          log.failedToContributeProvider( provider.getName(), provider.getRole(), e );
          throw new DeploymentException("Failed to contribute provider.", e);
        }
      }
    }
    for( Service service : topology.getServices() ) {
      ServiceDeploymentContributor contributor = getServiceContributor( service.getRole(), null );
      if( contributor != null ) {
        try {
          contributor.contributeService( context, service );
          if (gatewayServices != null) {
            ServiceRegistry sr = (ServiceRegistry) gatewayServices.getService(GatewayServices.SERVICE_REGISTRY_SERVICE);
            if (sr != null) {
              String regCode = sr.getRegistrationCode(topology.getName());
              sr.registerService(regCode, topology.getName(), service.getRole(), service.getUrl() );
            }
          }
        } catch( Exception e ) {
          // Maybe it makes sense to throw exception
          log.failedToContributeService( service.getName(), service.getRole(), e );
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Related Classes of org.apache.hadoop.gateway.topology.Topology

  • org.apache.hadoop.gateway.deploy.DeploymentFactory
  • org.apache.hadoop.gateway.deploy.DeploymentFactoryFuncTest
  • org.apache.hadoop.gateway.deploy.DeploymentFactoryTest
  • org.apache.hadoop.gateway.deploy.impl.ShiroDeploymentContributorTest
  • org.apache.hadoop.gateway.encrypturi.impl.EncryptUriDeploymentContributorTest
  • org.apache.hadoop.gateway.GatewayAdminTopologyFuncTest
  • org.apache.hadoop.gateway.GatewayServer$InternalTopologyListener
  • org.apache.hadoop.gateway.jersey.JerseyDeploymentContributorTest
  • org.apache.hadoop.gateway.securequery.SecureQueryDeploymentContributorTest
  • org.apache.hadoop.gateway.service.admin.TopologyMarshaller
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