@Test public void testQuorum() throws Exception { vertx1 = startVertx(2); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); vertx1.deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx1.deploymentIDs().contains(ar.result())); testComplete(); }); // Shouldn't deploy until a quorum is obtained assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty()); vertx2 = startVertx(2); // Now should be deployed await(); }
@Test public void testQuorumLost() throws Exception { vertx1 = startVertx(3); vertx2 = startVertx(3); vertx3 = startVertx(3); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); vertx1.deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx1.deploymentIDs().contains(ar.result())); ; }); vertx2.deployVerticle("java:" + HAVerticle2.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx2.deploymentIDs().contains(ar.result())); ; }); assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1 && vertx2.deploymentIDs().size() == 1); // Now close vertx3 - quorum should then be lost and verticles undeployed CountDownLatch latch = new CountDownLatch(1); vertx3.close(ar -> { latch.countDown(); }); awaitLatch(latch); assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty() && vertx2.deploymentIDs().isEmpty()); // Now re-instate the quorum vertx4 = startVertx(3); assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1 && vertx2.deploymentIDs().size() == 1); }
@Test public void testSimpleFailover() throws Exception { startNodes(2, new VertxOptions().setHAEnabled(true)); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); CountDownLatch latch = new CountDownLatch(1); vertices[0].deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertEquals(1, vertices[0].deploymentIDs().size()); assertEquals(0, vertices[1].deploymentIDs().size()); latch.countDown(); }); awaitLatch(latch); kill(0); assertWaitUntil(() -> vertices[1].deploymentIDs().size() == 1); checkDeploymentExists(1, "java:" + HAVerticle1.class.getName(), options); }
assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1); assertWaitUntil(() -> vertx2.deploymentIDs().size() == 1); assertWaitUntil(() -> vertx2.deploymentIDs().isEmpty()); assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty());
((VertxInternal)vertx3).simulateKill(); awaitLatch(latch3); assertWaitUntil(() -> vertx2.deploymentIDs().size() == 1);
@Test public void testQuorum() throws Exception { vertx1 = startVertx(2); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); vertx1.deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx1.deploymentIDs().contains(ar.result())); testComplete(); }); // Shouldn't deploy until a quorum is obtained assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty()); vertx2 = startVertx(2); // Now should be deployed await(); }
@Test public void testQuorumLost() throws Exception { vertx1 = startVertx(3); vertx2 = startVertx(3); vertx3 = startVertx(3); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); vertx1.deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx1.deploymentIDs().contains(ar.result())); ; }); vertx2.deployVerticle("java:" + HAVerticle2.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertTrue(vertx2.deploymentIDs().contains(ar.result())); ; }); assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1 && vertx2.deploymentIDs().size() == 1); // Now close vertx3 - quorum should then be lost and verticles undeployed CountDownLatch latch = new CountDownLatch(1); vertx3.close(ar -> { latch.countDown(); }); awaitLatch(latch); assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty() && vertx2.deploymentIDs().isEmpty()); // Now re-instate the quorum vertx4 = startVertx(3); assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1 && vertx2.deploymentIDs().size() == 1); }
@Test public void testSimpleFailover() throws Exception { startNodes(2, new VertxOptions().setHAEnabled(true)); DeploymentOptions options = new DeploymentOptions().setHa(true); JsonObject config = new JsonObject().put("foo", "bar"); options.setConfig(config); CountDownLatch latch = new CountDownLatch(1); vertices[0].deployVerticle("java:" + HAVerticle1.class.getName(), options, ar -> { assertTrue(ar.succeeded()); assertEquals(1, vertices[0].deploymentIDs().size()); assertEquals(0, vertices[1].deploymentIDs().size()); latch.countDown(); }); awaitLatch(latch); kill(0); assertWaitUntil(() -> vertices[1].deploymentIDs().size() == 1); checkDeploymentExists(1, "java:" + HAVerticle1.class.getName(), options); }
assertWaitUntil(() -> vertx1.deploymentIDs().size() == 1); assertWaitUntil(() -> vertx2.deploymentIDs().size() == 1); assertWaitUntil(() -> vertx2.deploymentIDs().isEmpty()); assertWaitUntil(() -> vertx1.deploymentIDs().isEmpty());
((VertxInternal)vertx3).simulateKill(); awaitLatch(latch3); assertWaitUntil(() -> vertx2.deploymentIDs().size() == 1);