Examples of InMemoryZKServer

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
  @ClassRule
  public static TemporaryFolder tmpFolder = new TemporaryFolder();

  @Test
  public void testChroot() throws Exception {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr() + "/chroot").build();
      client.startAndWait();
      try {
        List<OperationFuture<String>> futures = Lists.newArrayList();
        futures.add(client.create("/test1/test2", null, CreateMode.PERSISTENT));
        futures.add(client.create("/test1/test3", null, CreateMode.PERSISTENT));
        Futures.successfulAsList(futures).get();

        Assert.assertNotNull(client.exists("/test1/test2").get());
        Assert.assertNotNull(client.exists("/test1/test3").get());

      } finally {
        client.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
    }
  }

  @Test
  public void testCreateParent() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();

      try {
        String path = client.create("/test1/test2/test3/test4/test5",
                                    "testing".getBytes(), CreateMode.PERSISTENT_SEQUENTIAL).get();
        Assert.assertTrue(path.startsWith("/test1/test2/test3/test4/test5"));

        String dataPath = "";
        for (int i = 1; i <= 4; i++) {
          dataPath = dataPath + "/test" + i;
          Assert.assertNull(client.getData(dataPath).get().getData());
        }
        Assert.assertTrue(Arrays.equals("testing".getBytes(), client.getData(path).get().getData()));
      } finally {
        client.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
    }
  }

  @Test
  public void testGetChildren() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();

      try {
        client.create("/test", null, CreateMode.PERSISTENT).get();
        Assert.assertTrue(client.getChildren("/test").get().getChildren().isEmpty());

        Futures.allAsList(ImmutableList.of(client.create("/test/c1", null, CreateMode.EPHEMERAL),
                                           client.create("/test/c2", null, CreateMode.EPHEMERAL))).get();

        NodeChildren nodeChildren = client.getChildren("/test").get();
        Assert.assertEquals(2, nodeChildren.getChildren().size());

        Assert.assertEquals(ImmutableSet.of("c1", "c2"), ImmutableSet.copyOf(nodeChildren.getChildren()));

      } finally {
        client.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
    }
  }

  @Test
  public void testSetData() throws ExecutionException, InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();

      client.create("/test", null, CreateMode.PERSISTENT).get();
      Assert.assertNull(client.getData("/test").get().getData());

      client.setData("/test", "testing".getBytes()).get();
      Assert.assertTrue(Arrays.equals("testing".getBytes(), client.getData("/test").get().getData()));

    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
    }
  }

  @Test
  public void testExpireRewatch() throws InterruptedException, IOException, ExecutionException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      final CountDownLatch expireReconnectLatch = new CountDownLatch(1);
      final AtomicBoolean expired = new AtomicBoolean(false);
      final ZKClientService client = ZKClientServices.delegate(ZKClients.reWatchOnExpire(
                                        ZKClientService.Builder.of(zkServer.getConnectionStr())
                                                       .setSessionTimeout(2000)
                                                       .setConnectionWatcher(new Watcher() {
            @Override
            public void process(WatchedEvent event) {
              if (event.getState() == Event.KeeperState.Expired) {
                expired.set(true);
              } else if (event.getState() == Event.KeeperState.SyncConnected && expired.compareAndSet(true, true)) {
                expireReconnectLatch.countDown();
              }
            }
          }).build()));
      client.startAndWait();

      try {
        final BlockingQueue<Watcher.Event.EventType> events = new LinkedBlockingQueue<Watcher.Event.EventType>();
        client.exists("/expireRewatch", new Watcher() {
          @Override
          public void process(WatchedEvent event) {
            client.exists("/expireRewatch", this);
            events.add(event.getType());
          }
        });

        client.create("/expireRewatch", null, CreateMode.PERSISTENT);
        Assert.assertEquals(Watcher.Event.EventType.NodeCreated, events.poll(2, TimeUnit.SECONDS));

        KillZKSession.kill(client.getZooKeeperSupplier().get(), zkServer.getConnectionStr(), 1000);

        Assert.assertTrue(expireReconnectLatch.await(5, TimeUnit.SECONDS));

        client.delete("/expireRewatch");
        Assert.assertEquals(Watcher.Event.EventType.NodeDeleted, events.poll(4, TimeUnit.SECONDS));
      } finally {
        client.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
  }

  @Test
  public void testRetry() throws ExecutionException, InterruptedException, TimeoutException, IOException {
    File dataDir = tmpFolder.newFolder();
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setDataDir(dataDir).setTickTime(1000).build();
    zkServer.startAndWait();
    int port = zkServer.getLocalAddress().getPort();

    final CountDownLatch disconnectLatch = new CountDownLatch(1);
    ZKClientService client = ZKClientServices.delegate(ZKClients.retryOnFailure(
      ZKClientService.Builder.of(zkServer.getConnectionStr()).setConnectionWatcher(new Watcher() {
      @Override
      public void process(WatchedEvent event) {
        if (event.getState() == Event.KeeperState.Disconnected) {
          disconnectLatch.countDown();
        }
      }
    }).build(), RetryStrategies.fixDelay(0, TimeUnit.SECONDS)));
    client.startAndWait();

    zkServer.stopAndWait();

    Assert.assertTrue(disconnectLatch.await(1, TimeUnit.SECONDS));

    final CountDownLatch createLatch = new CountDownLatch(1);
    Futures.addCallback(client.create("/testretry/test", null, CreateMode.PERSISTENT), new FutureCallback<String>() {
      @Override
      public void onSuccess(String result) {
        createLatch.countDown();
      }

      @Override
      public void onFailure(Throwable t) {
        t.printStackTrace(System.out);
      }
    });

    TimeUnit.SECONDS.sleep(2);
    zkServer = InMemoryZKServer.builder()
                               .setDataDir(dataDir)
                               .setAutoCleanDataDir(true)
                               .setPort(port)
                               .setTickTime(1000)
                               .build();
    zkServer.startAndWait();

    try {
      Assert.assertTrue(createLatch.await(5, TimeUnit.SECONDS));
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
    }
  }

  @Test
  public void testACL() throws IOException, ExecutionException, InterruptedException, NoSuchAlgorithmException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setDataDir(tmpFolder.newFolder()).setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      String userPass = "user:pass";
      String digest = DigestAuthenticationProvider.generateDigest(userPass);

      // Creates two zkclients
      ZKClientService zkClient = ZKClientService.Builder
                                                .of(zkServer.getConnectionStr())
                                                .addAuthInfo("digest", userPass.getBytes())
                                                .build();
      zkClient.startAndWait();

      ZKClientService noAuthClient = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      noAuthClient.startAndWait();


      // Create a node that is readable by all client, but admin for the creator
      String path = "/testacl";
      zkClient.create(path, "test".getBytes(), CreateMode.PERSISTENT,
                      ImmutableList.of(
                        new ACL(ZooDefs.Perms.READ, ZooDefs.Ids.ANYONE_ID_UNSAFE),
                        new ACL(ZooDefs.Perms.ALL, ZooDefs.Ids.AUTH_IDS)
                      )).get();

      // Verify the ACL
      ACLData aclData = zkClient.getACL(path).get();
      Assert.assertEquals(2, aclData.getACL().size());
      ACL acl = aclData.getACL().get(1);
      Assert.assertEquals(ZooDefs.Perms.ALL, acl.getPerms());
      Assert.assertEquals("digest", acl.getId().getScheme());
      Assert.assertEquals(digest, acl.getId().getId());

      Assert.assertEquals("test", new String(noAuthClient.getData(path).get().getData()));

      // When tries to write using the no-auth zk client, it should fail.
      try {
        noAuthClient.setData(path, "test2".getBytes()).get();
        Assert.fail();
      } catch (ExecutionException e) {
        Assert.assertTrue(e.getCause() instanceof KeeperException.NoAuthException);
      }

      // Change ACL to make it open for all
      zkClient.setACL(path, ImmutableList.of(new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.ANYONE_ID_UNSAFE))).get();

      // Write again with the non-auth client, now should succeed.
      noAuthClient.setData(path, "test2".getBytes()).get();

      noAuthClient.stopAndWait();
      zkClient.stopAndWait();

    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
  private static final Logger LOG = LoggerFactory.getLogger(ZKServiceDecoratorTest.class);

  @Test
  public void testStateTransition() throws InterruptedException, ExecutionException, TimeoutException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().build();
    zkServer.startAndWait();

    try {
      final String namespace = Joiner.on('/').join("/twill", RunIds.generate(), "runnables", "Runner1");

      final ZKClientService zkClient = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClient.startAndWait();
      zkClient.create(namespace, null, CreateMode.PERSISTENT).get();

      try {
        JsonObject content = new JsonObject();
        content.addProperty("containerId", "container-123");
        content.addProperty("host", "localhost");

        RunId runId = RunIds.generate();
        final Semaphore semaphore = new Semaphore(0);
        ZKServiceDecorator service = new ZKServiceDecorator(ZKClients.namespace(zkClient, namespace),
                                                            runId, Suppliers.ofInstance(content),
                                                            new AbstractIdleService() {
          @Override
          protected void startUp() throws Exception {
            Preconditions.checkArgument(semaphore.tryAcquire(5, TimeUnit.SECONDS), "Fail to start");
          }

          @Override
          protected void shutDown() throws Exception {
            Preconditions.checkArgument(semaphore.tryAcquire(5, TimeUnit.SECONDS), "Fail to stop");
          }
        });

        final String runnablePath = namespace + "/" + runId.getId();
        final AtomicReference<String> stateMatch = new AtomicReference<String>("STARTING");
        watchDataChange(zkClient, runnablePath + "/state", semaphore, stateMatch);
        Assert.assertEquals(Service.State.RUNNING, service.start().get(5, TimeUnit.SECONDS));

        stateMatch.set("STOPPING");
        Assert.assertEquals(Service.State.TERMINATED, service.stop().get(5, TimeUnit.SECONDS));

      } finally {
        zkClient.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
  private static final Logger LOG = LoggerFactory.getLogger(ControllerTest.class);

  @Test
  public void testController() throws ExecutionException, InterruptedException, TimeoutException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().build();
    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());

    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClientService.startAndWait();

      Service service = createService(zkClientService, runId);
      service.startAndWait();

      TwillController controller = getController(zkClientService, runId);
      controller.sendCommand(Command.Builder.of("test").build()).get(2, TimeUnit.SECONDS);
      controller.stop().get(2, TimeUnit.SECONDS);

      Assert.assertEquals(ServiceController.State.TERMINATED, controller.state());

      final CountDownLatch terminateLatch = new CountDownLatch(1);
      service.addListener(new ServiceListenerAdapter() {
        @Override
        public void terminated(Service.State from) {
          terminateLatch.countDown();
        }
      }, Threads.SAME_THREAD_EXECUTOR);

      Assert.assertTrue(service.state() == Service.State.TERMINATED || terminateLatch.await(2, TimeUnit.SECONDS));

      zkClientService.stopAndWait();

    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here

Examples of org.apache.twill.internal.zookeeper.InMemoryZKServer

92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
  }

  // Test controller created before service starts.
  @Test
  public void testControllerBefore() throws InterruptedException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().build();
    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());
    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClientService.startAndWait();

      final CountDownLatch runLatch = new CountDownLatch(1);
      final CountDownLatch stopLatch = new CountDownLatch(1);
      TwillController controller = getController(zkClientService, runId);
      controller.addListener(new ServiceListenerAdapter() {
        @Override
        public void running() {
          runLatch.countDown();
        }

        @Override
        public void terminated(Service.State from) {
          stopLatch.countDown();
        }
      }, Threads.SAME_THREAD_EXECUTOR);

      Service service = createService(zkClientService, runId);
      service.start();

      Assert.assertTrue(runLatch.await(2, TimeUnit.SECONDS));
      Assert.assertFalse(stopLatch.await(2, TimeUnit.SECONDS));

      service.stop();

      Assert.assertTrue(stopLatch.await(2, TimeUnit.SECONDS));

    } finally {
      zkServer.stopAndWait();
    }
  }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.