Examples with GatewayConfig org.apache.knox.gateway.config.GatewayConfig used on opensource projects

Example 41 with GatewayConfig

use of org.apache.knox.gateway.config.GatewayConfig in project knox by apache.

the class DeploymentFactoryFuncTest method testDeploymentWithServiceParams.

@Test(timeout = LONG_TIMEOUT)
public void testDeploymentWithServiceParams() throws Exception {
    LOG_ENTER();
    GatewayConfig config = new GatewayTestConfig();
    File targetDir = new File(System.getProperty("user.dir"), "target");
    File gatewayDir = new File(targetDir, "gateway-home-" + UUID.randomUUID());
    gatewayDir.mkdirs();
    ((GatewayTestConfig) config).setGatewayHomeDir(gatewayDir.getAbsolutePath());
    File deployDir = new File(config.getGatewayDeploymentDir());
    deployDir.mkdirs();
    DefaultGatewayServices srvcs = new DefaultGatewayServices();
    Map<String, String> options = new HashMap<>();
    options.put("persist-master", "false");
    options.put("master", "password");
    try {
        DeploymentFactory.setGatewayServices(srvcs);
        srvcs.init(config, options);
    } catch (ServiceLifecycleException e) {
        // I18N not required.
        e.printStackTrace();
    }
    Service service;
    Param param;
    Topology topology = new Topology();
    topology.setName("test-cluster");
    service = new Service();
    service.setRole("HIVE");
    service.setUrls(Arrays.asList(new String[] { "http://hive-host:50001/" }));
    param = new Param();
    param.setName("someparam");
    param.setValue("somevalue");
    service.addParam(param);
    topology.addService(service);
    service = new Service();
    service.setRole("WEBHBASE");
    service.setUrls(Arrays.asList(new String[] { "http://hbase-host:50002/" }));
    param = new Param();
    param.setName("replayBufferSize");
    param.setValue("33");
    service.addParam(param);
    topology.addService(service);
    service = new Service();
    service.setRole("OOZIE");
    service.setUrls(Arrays.asList(new String[] { "http://hbase-host:50003/" }));
    param = new Param();
    param.setName("otherparam");
    param.setValue("65");
    service.addParam(param);
    topology.addService(service);
    EnterpriseArchive war = DeploymentFactory.createDeployment(config, topology);
    Document doc = XmlUtils.readXml(war.get("%2F/WEB-INF/gateway.xml").getAsset().openStream());
    // dump( doc );
    Node resourceNode, filterNode, paramNode;
    String value;
    resourceNode = node(doc, "gateway/resource[role/text()='HIVE']");
    assertThat(resourceNode, is(not(nullValue())));
    filterNode = node(resourceNode, "filter[role/text()='dispatch']");
    assertThat(filterNode, is(not(nullValue())));
    paramNode = node(filterNode, "param[name/text()='someparam']");
    value = value(paramNode, "value/text()");
    assertThat(value, is("somevalue"));
    resourceNode = node(doc, "gateway/resource[role/text()='WEBHBASE']");
    assertThat(resourceNode, is(not(nullValue())));
    filterNode = node(resourceNode, "filter[role/text()='dispatch']");
    assertThat(filterNode, is(not(nullValue())));
    paramNode = node(filterNode, "param[name/text()='replayBufferSize']");
    value = value(paramNode, "value/text()");
    assertThat(value, is("33"));
    resourceNode = node(doc, "gateway/resource[role/text()='OOZIE']");
    assertThat(resourceNode, is(not(nullValue())));
    filterNode = node(resourceNode, "filter[role/text()='dispatch']");
    assertThat(filterNode, is(not(nullValue())));
    paramNode = node(filterNode, "param[name/text()='otherparam']");
    value = value(paramNode, "value/text()");
    assertThat(value, is("65"));
    FileUtils.deleteQuietly(deployDir);
    LOG_EXIT();
}

Example 42 with GatewayConfig

use of org.apache.knox.gateway.config.GatewayConfig in project knox by apache.

the class DeploymentFactoryFuncTest method testWebXmlGeneration.

@Test(timeout = LONG_TIMEOUT)
public void testWebXmlGeneration() throws IOException, SAXException, ParserConfigurationException, URISyntaxException {
    LOG_ENTER();
    GatewayConfig config = new GatewayTestConfig();
    File targetDir = new File(System.getProperty("user.dir"), "target");
    File gatewayDir = new File(targetDir, "gateway-home-" + UUID.randomUUID());
    gatewayDir.mkdirs();
    ((GatewayTestConfig) config).setGatewayHomeDir(gatewayDir.getAbsolutePath());
    File deployDir = new File(config.getGatewayDeploymentDir());
    deployDir.mkdirs();
    DefaultGatewayServices srvcs = new DefaultGatewayServices();
    Map<String, String> options = new HashMap<>();
    options.put("persist-master", "false");
    options.put("master", "password");
    try {
        DeploymentFactory.setGatewayServices(srvcs);
        srvcs.init(config, options);
    } catch (ServiceLifecycleException e) {
        // I18N not required.
        e.printStackTrace();
    }
    Topology topology = new Topology();
    topology.setName("test-cluster");
    Service service = new Service();
    service.setRole("WEBHDFS");
    service.addUrl("http://localhost:50070/webhdfs");
    topology.addService(service);
    Provider provider = new Provider();
    provider.setRole("authentication");
    provider.setName("ShiroProvider");
    provider.setEnabled(true);
    Param param = new Param();
    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("Default");
    asserter.setEnabled(true);
    topology.addProvider(asserter);
    Provider authorizer = new Provider();
    authorizer.setRole("authorization");
    authorizer.setName("AclsAuthz");
    authorizer.setEnabled(true);
    topology.addProvider(authorizer);
    Provider ha = new Provider();
    ha.setRole("ha");
    ha.setName("HaProvider");
    ha.setEnabled(true);
    topology.addProvider(ha);
    for (int i = 0; i < 10; i++) {
        createAndTestDeployment(config, topology);
    }
    LOG_EXIT();
}

Example 43 with GatewayConfig

use of org.apache.knox.gateway.config.GatewayConfig in project knox by apache.

the class DeploymentFactoryFuncTest method testServiceAnonAuth.

/**
 * Test the case where topology has federation provider configured
 * and service uses anonymous authentication in which case we should
 * add AnonymousFilter to the filter chain.
 * @since 1.1.0
 * @throws IOException
 * @throws SAXException
 * @throws ParserConfigurationException
 * @throws URISyntaxException
 * @throws TransformerException
 */
@Test(timeout = MEDIUM_TIMEOUT)
public void testServiceAnonAuth() throws IOException, SAXException, ParserConfigurationException, URISyntaxException, TransformerException {
    LOG_ENTER();
    final GatewayConfig config = new GatewayTestConfig();
    ((GatewayTestConfig) config).setXForwardedEnabled(false);
    final File targetDir = new File(System.getProperty("user.dir"), "target");
    final File gatewayDir = new File(targetDir, "gateway-home-" + UUID.randomUUID());
    gatewayDir.mkdirs();
    ((GatewayTestConfig) config).setGatewayHomeDir(gatewayDir.getAbsolutePath());
    final File deployDir = new File(config.getGatewayDeploymentDir());
    deployDir.mkdirs();
    final DefaultGatewayServices srvcs = new DefaultGatewayServices();
    final Map<String, String> options = new HashMap<>();
    options.put("persist-master", "false");
    options.put("master", "password");
    try {
        DeploymentFactory.setGatewayServices(srvcs);
        srvcs.init(config, options);
    } catch (ServiceLifecycleException e) {
        // I18N not required.
        e.printStackTrace();
    }
    final Topology federationTopology = new Topology();
    final Topology authenticationTopology = new Topology();
    federationTopology.setName("test-cluster");
    authenticationTopology.setName("test-cluster");
    final Service service = new Service();
    service.setRole("RANGER");
    service.addUrl("http://localhost:50070/");
    federationTopology.addService(service);
    authenticationTopology.addService(service);
    /* Add federation provider to first topology */
    final Provider provider = new Provider();
    provider.setRole("federation");
    provider.setName("SSOCookieProvider");
    provider.setEnabled(true);
    Param param = new Param();
    param.setName("sso.authentication.provider.url");
    param.setValue("https://www.local.com:8443/gateway/knoxsso/api/v1/websso");
    provider.addParam(param);
    federationTopology.addProvider(provider);
    /* Add authentication provider to second topology */
    final Provider provider2 = new Provider();
    provider2.setRole("authentication");
    provider2.setName("ShiroProvider");
    provider2.setEnabled(true);
    Param param2 = new Param();
    param2.setName("contextConfigLocation");
    param2.setValue("classpath:app-context-security.xml");
    provider2.addParam(param2);
    authenticationTopology.addProvider(provider2);
    final Provider asserter = new Provider();
    asserter.setRole("identity-assertion");
    asserter.setName("Default");
    asserter.setEnabled(true);
    federationTopology.addProvider(asserter);
    Provider authorizer = new Provider();
    authorizer.setRole("authorization");
    authorizer.setName("AclsAuthz");
    authorizer.setEnabled(true);
    federationTopology.addProvider(authorizer);
    authenticationTopology.addProvider(authorizer);
    final EnterpriseArchive war = DeploymentFactory.createDeployment(config, federationTopology);
    final EnterpriseArchive war2 = DeploymentFactory.createDeployment(config, federationTopology);
    final Document web = XmlUtils.readXml(war.get("%2F/WEB-INF/web.xml").getAsset().openStream());
    final Document web2 = XmlUtils.readXml(war2.get("%2F/WEB-INF/web.xml").getAsset().openStream());
    /* Make sure AnonymousAuthFilter is added to the chain */
    final Document gateway = XmlUtils.readXml(war.get("%2F/WEB-INF/gateway.xml").getAsset().openStream());
    assertThat(gateway, hasXPath("/gateway/resource[1]/pattern", equalTo("/ranger/service/public/**")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[1]/role", equalTo("authentication")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[1]/class", equalTo("org.apache.knox.gateway.filter.AnonymousAuthFilter")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[2]/role", equalTo("rewrite")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[2]/class", equalTo("org.apache.knox.gateway.filter.rewrite.api.UrlRewriteServletFilter")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[3]/role", equalTo("authorization")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[3]/class", equalTo("org.apache.knox.gateway.filter.AclsAuthorizationFilter")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[4]/role", equalTo("dispatch")));
    assertThat(gateway, hasXPath("/gateway/resource[1]/filter[4]/class", equalTo("org.apache.knox.gateway.dispatch.GatewayDispatchFilter")));
    final Document gateway2 = XmlUtils.readXml(war.get("%2F/WEB-INF/gateway.xml").getAsset().openStream());
    assertThat(gateway2, hasXPath("/gateway/resource[1]/pattern", equalTo("/ranger/service/public/**")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[1]/role", equalTo("authentication")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[1]/class", equalTo("org.apache.knox.gateway.filter.AnonymousAuthFilter")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[2]/role", equalTo("rewrite")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[2]/class", equalTo("org.apache.knox.gateway.filter.rewrite.api.UrlRewriteServletFilter")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[3]/role", equalTo("authorization")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[3]/class", equalTo("org.apache.knox.gateway.filter.AclsAuthorizationFilter")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[4]/role", equalTo("dispatch")));
    assertThat(gateway2, hasXPath("/gateway/resource[1]/filter[4]/class", equalTo("org.apache.knox.gateway.dispatch.GatewayDispatchFilter")));
    LOG_EXIT();
}

Example 44 with GatewayConfig

use of org.apache.knox.gateway.config.GatewayConfig in project knox by apache.

the class RemoteConfigurationMonitorTest method testZooKeeperConfigMonitorSASLNodesExistWithUnacceptableACL.

@Test
public void testZooKeeperConfigMonitorSASLNodesExistWithUnacceptableACL() throws Exception {
    final String configMonitorName = "zkConfigClient";
    final String alias = "zkPass";
    // Setup the base GatewayConfig mock
    GatewayConfig gc = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gc.getGatewayProvidersConfigDir()).andReturn(providersDir.getAbsolutePath()).anyTimes();
    EasyMock.expect(gc.getGatewayDescriptorsDir()).andReturn(descriptorsDir.getAbsolutePath()).anyTimes();
    EasyMock.expect(gc.getRemoteRegistryConfigurationNames()).andReturn(Collections.singletonList(configMonitorName)).anyTimes();
    final String registryConfig = GatewayConfig.REMOTE_CONFIG_REGISTRY_TYPE + "=" + ZooKeeperClientService.TYPE + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_ADDRESS + "=" + zkCluster.getConnectString() + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_PRINCIPAL + "=" + ZK_USERNAME + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_AUTH_TYPE + "=Digest;" + GatewayConfig.REMOTE_CONFIG_REGISTRY_CREDENTIAL_ALIAS + "=" + alias;
    EasyMock.expect(gc.getRemoteRegistryConfiguration(configMonitorName)).andReturn(registryConfig).anyTimes();
    EasyMock.expect(gc.getRemoteConfigurationMonitorClientName()).andReturn(configMonitorName).anyTimes();
    EasyMock.replay(gc);
    AliasService aliasService = EasyMock.createNiceMock(AliasService.class);
    EasyMock.expect(aliasService.getPasswordFromAliasForGateway(alias)).andReturn(ZK_PASSWORD.toCharArray()).anyTimes();
    EasyMock.replay(aliasService);
    RemoteConfigurationRegistryClientService clientService = (new ZooKeeperClientServiceProvider()).newInstance();
    clientService.setAliasService(aliasService);
    clientService.init(gc, Collections.emptyMap());
    clientService.start();
    RemoteConfigurationMonitorFactory.setClientService(clientService);
    RemoteConfigurationMonitor cm = RemoteConfigurationMonitorFactory.get(gc);
    assertNotNull("Failed to load RemoteConfigurationMonitor", cm);
    final ACL ANY_AUTHENTICATED_USER_ALL = new ACL(ZooDefs.Perms.ALL, new Id("auth", ""));
    List<ACL> acls = Arrays.asList(ANY_AUTHENTICATED_USER_ALL, new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.ANYONE_ID_UNSAFE));
    client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT).withACL(acls).forPath(PATH_KNOX);
    client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT).withACL(acls).forPath(PATH_KNOX_CONFIG);
    client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT).withACL(acls).forPath(PATH_KNOX_PROVIDERS);
    client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT).withACL(acls).forPath(PATH_KNOX_DESCRIPTORS);
    // Make sure both ACLs were applied
    List<ACL> preACLs = client.getACL().forPath(PATH_KNOX);
    assertEquals(2, preACLs.size());
    // Check that the config nodes really do exist (the monitor will NOT create them if they're present)
    assertNotNull(client.checkExists().forPath(PATH_KNOX));
    assertNotNull(client.checkExists().forPath(PATH_KNOX_CONFIG));
    assertNotNull(client.checkExists().forPath(PATH_KNOX_PROVIDERS));
    assertNotNull(client.checkExists().forPath(PATH_KNOX_DESCRIPTORS));
    try {
        cm.start();
    } catch (Exception e) {
        fail("Failed to start monitor: " + e.getMessage());
    }
    // Validate the expected ACLs on the Knox config znodes (make sure the monitor removed the world:anyone ACL)
    List<ACL> expectedACLs = Collections.singletonList(SASL_TESTUSER_ALL);
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_CONFIG));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_PROVIDERS));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_DESCRIPTORS));
}

Example 45 with GatewayConfig

use of org.apache.knox.gateway.config.GatewayConfig in project knox by apache.

the class RemoteConfigurationMonitorTest method testZooKeeperConfigMonitorSASLCreateNodes.

@Test
public void testZooKeeperConfigMonitorSASLCreateNodes() throws Exception {
    final String configMonitorName = "zkConfigClient";
    final String alias = "zkPass";
    // Setup the base GatewayConfig mock
    GatewayConfig gc = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gc.getGatewayProvidersConfigDir()).andReturn(providersDir.getAbsolutePath()).anyTimes();
    EasyMock.expect(gc.getGatewayDescriptorsDir()).andReturn(descriptorsDir.getAbsolutePath()).anyTimes();
    EasyMock.expect(gc.getRemoteRegistryConfigurationNames()).andReturn(Collections.singletonList(configMonitorName)).anyTimes();
    final String registryConfig = GatewayConfig.REMOTE_CONFIG_REGISTRY_TYPE + "=" + ZooKeeperClientService.TYPE + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_ADDRESS + "=" + zkCluster.getConnectString() + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_PRINCIPAL + "=" + ZK_USERNAME + ";" + GatewayConfig.REMOTE_CONFIG_REGISTRY_AUTH_TYPE + "=Digest;" + GatewayConfig.REMOTE_CONFIG_REGISTRY_CREDENTIAL_ALIAS + "=" + alias;
    EasyMock.expect(gc.getRemoteRegistryConfiguration(configMonitorName)).andReturn(registryConfig).anyTimes();
    EasyMock.expect(gc.getRemoteConfigurationMonitorClientName()).andReturn(configMonitorName).anyTimes();
    EasyMock.replay(gc);
    AliasService aliasService = EasyMock.createNiceMock(AliasService.class);
    EasyMock.expect(aliasService.getPasswordFromAliasForGateway(alias)).andReturn(ZK_PASSWORD.toCharArray()).anyTimes();
    EasyMock.replay(aliasService);
    RemoteConfigurationRegistryClientService clientService = (new ZooKeeperClientServiceProvider()).newInstance();
    clientService.setAliasService(aliasService);
    clientService.init(gc, Collections.emptyMap());
    clientService.start();
    RemoteConfigurationMonitorFactory.setClientService(clientService);
    RemoteConfigurationMonitor cm = RemoteConfigurationMonitorFactory.get(gc);
    assertNotNull("Failed to load RemoteConfigurationMonitor", cm);
    // Check that the config nodes really don't yet exist (the monitor will create them if they're not present)
    assertNull(client.checkExists().forPath(PATH_KNOX));
    assertNull(client.checkExists().forPath(PATH_KNOX_CONFIG));
    assertNull(client.checkExists().forPath(PATH_KNOX_PROVIDERS));
    assertNull(client.checkExists().forPath(PATH_KNOX_DESCRIPTORS));
    try {
        cm.start();
    } catch (Exception e) {
        fail("Failed to start monitor: " + e.getMessage());
    }
    // Test auth violation
    clientService.get(configMonitorName).createEntry("/auth_test/child_node/test1");
    assertNull("Creation should have been prevented since write access is not granted to the test client.", client.checkExists().forPath("/auth_test/child_node/test1"));
    assertTrue("Creation should have been prevented since write access is not granted to the test client.", client.getChildren().forPath("/auth_test/child_node").isEmpty());
    // Validate the expected ACLs on the Knox config znodes (make sure the monitor created them correctly)
    List<ACL> expectedACLs = Collections.singletonList(SASL_TESTUSER_ALL);
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_CONFIG));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_PROVIDERS));
    validateKnoxConfigNodeACLs(expectedACLs, client.getACL().forPath(PATH_KNOX_DESCRIPTORS));
    // Test the Knox config nodes, for which authentication should be sufficient for access
    try {
        final String pc_one_znode = getProviderPath("providers-config1.xml");
        final File pc_one = new File(providersDir, "providers-config1.xml");
        final String pc_two_znode = getProviderPath("providers-config2.xml");
        final File pc_two = new File(providersDir, "providers-config2.xml");
        client.create().withMode(CreateMode.PERSISTENT).forPath(pc_one_znode, TEST_PROVIDERS_CONFIG_1.getBytes());
        Thread.sleep(100);
        assertTrue(pc_one.exists());
        assertEquals(TEST_PROVIDERS_CONFIG_1, FileUtils.readFileToString(pc_one));
        client.create().withMode(CreateMode.PERSISTENT).forPath(getProviderPath("providers-config2.xml"), TEST_PROVIDERS_CONFIG_2.getBytes());
        Thread.sleep(100);
        assertTrue(pc_two.exists());
        assertEquals(TEST_PROVIDERS_CONFIG_2, FileUtils.readFileToString(pc_two));
        client.setData().forPath(pc_two_znode, TEST_PROVIDERS_CONFIG_1.getBytes());
        Thread.sleep(100);
        assertTrue(pc_two.exists());
        assertEquals(TEST_PROVIDERS_CONFIG_1, FileUtils.readFileToString(pc_two));
        client.delete().forPath(pc_two_znode);
        Thread.sleep(100);
        assertFalse(pc_two.exists());
        client.delete().forPath(pc_one_znode);
        Thread.sleep(100);
        assertFalse(pc_one.exists());
        final String desc_one_znode = getDescriptorPath("test1.json");
        final String desc_two_znode = getDescriptorPath("test2.json");
        final String desc_three_znode = getDescriptorPath("test3.json");
        final File desc_one = new File(descriptorsDir, "test1.json");
        final File desc_two = new File(descriptorsDir, "test2.json");
        final File desc_three = new File(descriptorsDir, "test3.json");
        client.create().withMode(CreateMode.PERSISTENT).forPath(desc_one_znode, TEST_DESCRIPTOR_1.getBytes());
        Thread.sleep(100);
        assertTrue(desc_one.exists());
        assertEquals(TEST_DESCRIPTOR_1, FileUtils.readFileToString(desc_one));
        client.create().withMode(CreateMode.PERSISTENT).forPath(desc_two_znode, TEST_DESCRIPTOR_1.getBytes());
        Thread.sleep(100);
        assertTrue(desc_two.exists());
        assertEquals(TEST_DESCRIPTOR_1, FileUtils.readFileToString(desc_two));
        client.setData().forPath(desc_two_znode, TEST_DESCRIPTOR_2.getBytes());
        Thread.sleep(100);
        assertTrue(desc_two.exists());
        assertEquals(TEST_DESCRIPTOR_2, FileUtils.readFileToString(desc_two));
        client.create().withMode(CreateMode.PERSISTENT).forPath(desc_three_znode, TEST_DESCRIPTOR_1.getBytes());
        Thread.sleep(100);
        assertTrue(desc_three.exists());
        assertEquals(TEST_DESCRIPTOR_1, FileUtils.readFileToString(desc_three));
        client.delete().forPath(desc_two_znode);
        Thread.sleep(100);
        assertFalse("Expected test2.json to have been deleted.", desc_two.exists());
        client.delete().forPath(desc_three_znode);
        Thread.sleep(100);
        assertFalse(desc_three.exists());
        client.delete().forPath(desc_one_znode);
        Thread.sleep(100);
        assertFalse(desc_one.exists());
    } finally {
        cm.stop();
    }
}