Examples with Topology org.apache.knox.gateway.topology.Topology used on opensource projects

Example 31 with Topology

use of org.apache.knox.gateway.topology.Topology in project knox by apache.

the class TopologyRulesModuleTest method testParseServiceParamsInAmbariFormat.

@Test
public void testParseServiceParamsInAmbariFormat() throws IOException, SAXException {
    Digester digester = loader.newDigester();
    String name = "org/apache/knox/gateway/topology/xml/service-param-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("test-topology-name"));
    assertThat(topology.getTimestamp(), is(file.lastModified()));
    assertThat(topology.getProviders().size(), is(1));
    Provider provider = topology.getProviders().iterator().next();
    assertThat(provider, notNullValue());
    assertThat(provider.getRole(), is("test-provider-role"));
    assertThat(provider.getName(), is("test-provider-name"));
    assertThat(provider.isEnabled(), is(true));
    assertThat(provider.getParams(), hasEntry(is("test-provider-param-name-1"), is("test-provider-param-value-1")));
    assertThat(provider.getParams(), hasEntry(is("test-provider-param-name-2"), is("test-provider-param-value-2")));
    assertThat(topology.getServices().size(), is(1));
    Service service = topology.getServices().iterator().next();
    assertThat(service, notNullValue());
    assertThat(service.getRole(), is("test-service-role"));
    assertThat(service.getUrls().size(), is(2));
    assertThat(service.getUrls(), hasItem("test-service-scheme://test-service-host1:42/test-service-path"));
    assertThat(service.getUrls(), hasItem("test-service-scheme://test-service-host2:42/test-service-path"));
    assertThat(service.getName(), is("test-service-name"));
    assertThat(service.getParams(), hasEntry(is("test-service-param-name-1"), is("test-service-param-value-1")));
    assertThat(service.getParams(), hasEntry(is("test-service-param-name-2"), is("test-service-param-value-2")));
}

Example 32 with Topology

use of org.apache.knox.gateway.topology.Topology in project knox by apache.

the class TopologyRulesModuleTest method testParseSimpleTopologyXmlInKnoxFormat.

@Test
public void testParseSimpleTopologyXmlInKnoxFormat() throws IOException, SAXException, URISyntaxException {
    Digester digester = loader.newDigester();
    String name = "org/apache/knox/gateway/topology/xml/simple-topology-knox-format.xml";
    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("topology"));
    assertThat(topology.getTimestamp(), is(file.lastModified()));
    assertThat(topology.getServices().size(), is(3));
    Service comp = topology.getServices().iterator().next();
    assertThat(comp, notNullValue());
    assertThat(comp.getRole(), is("WEBHDFS"));
    assertThat(comp.getVersion().toString(), is("2.4.0"));
    assertThat(comp.getUrls().size(), is(2));
    assertThat(comp.getUrls(), hasItem("http://host1:80/webhdfs"));
    assertThat(comp.getUrls(), hasItem("http://host2:80/webhdfs"));
    Provider provider = topology.getProviders().iterator().next();
    assertThat(provider, notNullValue());
    assertThat(provider.isEnabled(), is(true));
    assertThat(provider.getRole(), is("authentication"));
    assertThat(provider.getParams().size(), is(5));
    Service service = topology.getService("WEBHDFS", "webhdfs", new Version(2, 4, 0));
    assertEquals(comp, service);
    comp = topology.getService("RESOURCEMANAGER", null, new Version("2.5.0"));
    assertThat(comp, notNullValue());
    assertThat(comp.getRole(), is("RESOURCEMANAGER"));
    assertThat(comp.getVersion().toString(), is("2.5.0"));
    assertThat(comp.getUrl(), is("http://host1:8088/ws"));
    comp = topology.getService("HIVE", "hive", null);
    assertThat(comp, notNullValue());
    assertThat(comp.getRole(), is("HIVE"));
    assertThat(comp.getName(), is("hive"));
    assertThat(comp.getUrl(), is("http://host2:10001/cliservice"));
}

Example 33 with Topology

use of org.apache.knox.gateway.topology.Topology in project knox by apache.

the class TopologyRulesModuleTest method testParseTopologyWithApplication.

@Test
public void testParseTopologyWithApplication() throws IOException, SAXException {
    Digester digester = loader.newDigester();
    String name = "topology-with-application.xml";
    URL url = TestUtils.getResourceUrl(TopologyRulesModuleTest.class, 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());
    Application app = topology.getApplications().iterator().next();
    assertThat("Failed to find application", app, notNullValue());
    assertThat(app.getName(), is("test-app-name"));
    assertThat(app.getUrl(), is("test-app-path"));
    assertThat(app.getUrls().get(0), is("test-app-path"));
    assertThat(app.getParams().get("test-param-name"), is("test-param-value"));
}

Example 34 with Topology

use of org.apache.knox.gateway.topology.Topology in project knox by apache.

the class DefaultTopologyServiceTest method testTopologiesUpdateFromProviderConfigChange.

/**
 * KNOX-1014
 *
 * Test the lifecycle relationship between provider configuration files, simple descriptors, and topology files.
 *
 * N.B. This test depends on the DummyServiceDiscovery extension being configured:
 *        org.apache.knox.gateway.topology.discovery.test.extension.DummyServiceDiscovery
 */
@Test
public void testTopologiesUpdateFromProviderConfigChange() throws Exception {
    File dir = createDir();
    File topologyDir = new File(dir, "topologies");
    topologyDir.mkdirs();
    File descriptorsDir = new File(dir, "descriptors");
    descriptorsDir.mkdirs();
    File sharedProvidersDir = new File(dir, "shared-providers");
    sharedProvidersDir.mkdirs();
    try {
        TestTopologyListener topoListener = new TestTopologyListener();
        FileAlterationMonitor monitor = new FileAlterationMonitor(Long.MAX_VALUE);
        TopologyService ts = new DefaultTopologyService();
        Map<String, String> c = new HashMap<>();
        GatewayConfig config = EasyMock.createNiceMock(GatewayConfig.class);
        EasyMock.expect(config.getGatewayTopologyDir()).andReturn(topologyDir.getAbsolutePath()).anyTimes();
        EasyMock.expect(config.getGatewayConfDir()).andReturn(descriptorsDir.getParentFile().getAbsolutePath()).anyTimes();
        EasyMock.replay(config);
        ts.init(config, c);
        ts.addTopologyChangeListener(topoListener);
        ts.reloadTopologies();
        java.lang.reflect.Field dmField = ts.getClass().getDeclaredField("descriptorsMonitor");
        dmField.setAccessible(true);
        DefaultTopologyService.DescriptorsMonitor dm = (DefaultTopologyService.DescriptorsMonitor) dmField.get(ts);
        // Write out the referenced provider configs first
        createFile(sharedProvidersDir, "provider-config-one.xml", "org/apache/knox/gateway/topology/file/provider-config-one.xml", System.currentTimeMillis());
        // Create the simple descriptor, which depends on provider-config-one.xml
        File simpleDesc = createFile(descriptorsDir, "six.json", "org/apache/knox/gateway/topology/file/simple-descriptor-six.json", System.currentTimeMillis());
        // "Notice" the simple descriptor change, and generate a topology based on it
        dm.onFileChange(simpleDesc);
        // Load the generated topology
        ts.reloadTopologies();
        Collection<Topology> topologies = ts.getTopologies();
        assertThat(topologies.size(), is(1));
        Iterator<Topology> iterator = topologies.iterator();
        Topology topology = iterator.next();
        assertFalse("The Shiro provider is disabled in provider-config-one.xml", topology.getProvider("authentication", "ShiroProvider").isEnabled());
        // Overwrite the referenced provider configuration with a different ShiroProvider config, and check that the
        // changes are propagated to the associated topology
        File providerConfig = createFile(sharedProvidersDir, "provider-config-one.xml", "org/apache/knox/gateway/topology/file/ambari-cluster-policy.xml", System.currentTimeMillis());
        // "Notice" the simple descriptor change as a result of the referenced config change
        dm.onFileChange(simpleDesc);
        // Load the generated topology
        ts.reloadTopologies();
        topologies = ts.getTopologies();
        assertFalse(topologies.isEmpty());
        topology = topologies.iterator().next();
        assertTrue("The Shiro provider is enabled in ambari-cluster-policy.xml", topology.getProvider("authentication", "ShiroProvider").isEnabled());
        // Delete the provider configuration, and make sure that the associated topology file is unaffected.
        // The topology file should not be affected because the simple descriptor handling will fail to resolve the
        // referenced provider configuration.
        // Delete the file
        providerConfig.delete();
        // The provider config deletion will trigger a descriptor change notification
        dm.onFileChange(simpleDesc);
        ts.reloadTopologies();
        topologies = ts.getTopologies();
        assertFalse(topologies.isEmpty());
        assertTrue("The Shiro provider is enabled in ambari-cluster-policy.xml", topology.getProvider("authentication", "ShiroProvider").isEnabled());
    } finally {
        FileUtils.deleteQuietly(dir);
    }
}

Example 35 with Topology

use of org.apache.knox.gateway.topology.Topology in project knox by apache.

the class PropertyTopologyBuilderTest method testBuildSuccessfulForServiceProperty.

@Test(expected = IllegalArgumentException.class)
public void testBuildSuccessfulForServiceProperty() {
    PropertyTopologyBuilder propertyTopologyBuilder = new PropertyTopologyBuilder();
    propertyTopologyBuilder.addProperty(new Property("topology.gateway.service.WEBHDFS..url", "http://host:50070/webhdfs"));
    Topology topology = propertyTopologyBuilder.build();
    assertThat(topology, notNullValue());
}