private void doFence(HAServiceTarget target) { LOG.info("Should fence: " + target); boolean gracefulWorked = new FailoverController(conf, RequestSource.REQUEST_BY_ZKFC).tryGracefulFence(target); if (gracefulWorked) { // It's possible that it's in standby but just about to go into active, // no? Is there some race here? LOG.info("Successfully transitioned " + target + " to standby " + "state without fencing"); return; } try { target.checkFencingConfigured(); } catch (BadFencingConfigurationException e) { LOG.error("Couldn't fence old active " + target, e); recordActiveAttempt(new ActiveAttemptRecord(false, "Unable to fence old active")); throw new RuntimeException(e); } if (!target.getFencer().fence(target)) { throw new RuntimeException("Unable to fence " + target); } }
if (!fromSvc.getFencer().fence(fromSvc)) { throw new FailoverFailedException("Unable to fence " + fromSvc + ". Fencing failed.");
@Test public void testMultipleFencers() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName() + "(foo)\n" + AlwaysSucceedFencer.class.getName() + "(bar)\n"); assertTrue(fencer.fence(MOCK_TARGET)); // Only one call, since the first fencer succeeds assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertEquals("foo", AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testMultipleFencers() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName() + "(foo)\n" + AlwaysSucceedFencer.class.getName() + "(bar)\n"); assertTrue(fencer.fence(MOCK_TARGET)); // Only one call, since the first fencer succeeds assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertEquals("foo", AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testShortNameSshWithUserPort() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(user:123)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSsh() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSshWithUser() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(user)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSshWithUserPort() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(user:123)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSsh() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSshWithPort() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(:123)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSshWithUser() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(user)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameSshWithPort() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer("sshfence(:123)"); assertFalse(fencer.fence(MOCK_TARGET)); }
@Test public void testSingleFencer() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName() + "(foo)"); assertTrue(fencer.fence(MOCK_TARGET)); assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals("foo", AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testArglessFencer() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName()); assertTrue(fencer.fence(MOCK_TARGET)); // One call to each, since top fencer fails assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals(null, AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testArglessFencer() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName()); assertTrue(fencer.fence(MOCK_TARGET)); // One call to each, since top fencer fails assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals(null, AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testSingleFencer() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( AlwaysSucceedFencer.class.getName() + "(foo)"); assertTrue(fencer.fence(MOCK_TARGET)); assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals("foo", AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testShortNameShell() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer(getFencerTrueCommand()); assertTrue(fencer.fence(MOCK_TARGET)); }
@Test public void testShortNameShell() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer(getFencerTrueCommand()); assertTrue(fencer.fence(MOCK_TARGET)); }
@Test public void testWhitespaceAndCommentsInConfig() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( "\n" + " # the next one will always fail\n" + " " + AlwaysFailFencer.class.getName() + "(foo) # <- fails\n" + AlwaysSucceedFencer.class.getName() + "(bar) \n"); assertTrue(fencer.fence(MOCK_TARGET)); // One call to each, since top fencer fails assertEquals(1, AlwaysFailFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysFailFencer.fencedSvc); assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals("foo", AlwaysFailFencer.callArgs.get(0)); assertEquals("bar", AlwaysSucceedFencer.callArgs.get(0)); }
@Test public void testWhitespaceAndCommentsInConfig() throws BadFencingConfigurationException { NodeFencer fencer = setupFencer( "\n" + " # the next one will always fail\n" + " " + AlwaysFailFencer.class.getName() + "(foo) # <- fails\n" + AlwaysSucceedFencer.class.getName() + "(bar) \n"); assertTrue(fencer.fence(MOCK_TARGET)); // One call to each, since top fencer fails assertEquals(1, AlwaysFailFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysFailFencer.fencedSvc); assertEquals(1, AlwaysSucceedFencer.fenceCalled); assertSame(MOCK_TARGET, AlwaysSucceedFencer.fencedSvc); assertEquals("foo", AlwaysFailFencer.callArgs.get(0)); assertEquals("bar", AlwaysSucceedFencer.callArgs.get(0)); }