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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.virtualhostnode.berkeleydb;
import static org.mockito.Matchers.argThat;
import static org.mockito.Mockito.*;
import java.util.Collections;
import java.util.Map;
import org.apache.qpid.server.logging.EventLogger;
import org.apache.qpid.server.logging.LogMessage;
import org.apache.qpid.server.logging.LogSubject;
import org.apache.qpid.server.logging.messages.HighAvailabilityMessages;
import org.apache.qpid.server.model.SystemConfig;
import org.apache.qpid.test.utils.QpidTestCase;
import org.hamcrest.Description;
import org.mockito.ArgumentMatcher;
/**
* Class to test that specific VHN operations result in the expected Operational Log message(s) being performed.
*/
public class BDBHAVirtualHostNodeOperationalLoggingTest extends QpidTestCase
{
private BDBHAVirtualHostNodeTestHelper _helper;
private EventLogger _eventLogger;
@Override
protected void setUp() throws Exception
{
super.setUp();
_helper = new BDBHAVirtualHostNodeTestHelper(getTestName());
_eventLogger = mock(EventLogger.class);
SystemConfig<?> context = (SystemConfig<?>) _helper.getBroker().getParent(SystemConfig.class);
when(context.getEventLogger()).thenReturn(_eventLogger);
}
@Override
protected void tearDown() throws Exception
{
try
{
_helper.tearDown();
}
finally
{
super.tearDown();
}
}
public void testCreate() throws Exception
{
int node1PortNumber = findFreePort();
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
assertEquals("Unexpected VHN log subject", "[grp(/group)/vhn(/node1)] ", node1.getVirtualHostNodeLogSubject().getLogString());
assertEquals("Unexpected group log subject", "[grp(/group)] ", node1.getGroupLogSubject().getLogString());
String expectedMessage = HighAvailabilityMessages.CREATED().toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getVirtualHostNodeLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.CREATED_LOG_HIERARCHY)));
expectedMessage = HighAvailabilityMessages.ROLE_CHANGED(node1.getName(), node1.getAddress(), "UNKNOWN", "MASTER").toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getGroupLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.ROLE_CHANGED_LOG_HIERARCHY)));
}
public void testDelete() throws Exception
{
int node1PortNumber = findFreePort();
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
reset(_eventLogger);
node1.delete();
String expectedMessage = HighAvailabilityMessages.DELETED().toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getVirtualHostNodeLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.DELETED_LOG_HIERARCHY)));
}
public void testSetPriority() throws Exception
{
int node1PortNumber = findFreePort();
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
reset(_eventLogger);
node1.setAttributes(Collections.<String, Object>singletonMap(BDBHAVirtualHostNode.PRIORITY, 10));
// make sure that task executor thread finishes all scheduled tasks
node1.stop();
String expectedMessage = HighAvailabilityMessages.PRIORITY_CHANGED("10").toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getVirtualHostNodeLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.PRIORITY_CHANGED_LOG_HIERARCHY)));
}
public void testSetQuorumOverride() throws Exception
{
int node1PortNumber = findFreePort();
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
reset(_eventLogger);
node1.setAttributes(Collections.<String, Object>singletonMap(BDBHAVirtualHostNode.QUORUM_OVERRIDE, 1));
// make sure that task executor thread finishes all scheduled tasks
node1.stop();
String expectedMessage = HighAvailabilityMessages.QUORUM_OVERRIDE_CHANGED("1").toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getVirtualHostNodeLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.QUORUM_OVERRIDE_CHANGED_LOG_HIERARCHY)));
}
public void testSetDesignatedPrimary() throws Exception
{
int node1PortNumber = findFreePort();
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
reset(_eventLogger);
node1.setAttributes(Collections.<String, Object>singletonMap(BDBHAVirtualHostNode.DESIGNATED_PRIMARY, true));
// make sure that task executor thread finishes all scheduled tasks
node1.stop();
String expectedMessage = HighAvailabilityMessages.DESIGNATED_PRIMARY_CHANGED("true").toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getVirtualHostNodeLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.DESIGNATED_PRIMARY_CHANGED_LOG_HIERARCHY)));
}
public void testRemoteNodeAdded() throws Exception
{
int node1PortNumber = findFreePort();
int node2PortNumber = getNextAvailable(node1PortNumber + 1);
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber, node2PortNumber);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
reset(_eventLogger);
Map<String, Object> node2Attributes = _helper.createNodeAttributes("node2", groupName, "localhost:" + node2PortNumber, helperAddress, nodeName);
BDBHAVirtualHostNodeImpl node2 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node2Attributes);
_helper.awaitRemoteNodes(node1, 1);
// make sure that task executor thread finishes all scheduled tasks
node2.stop();
// Verify ADDED message from node1 when it discovers node2 has been added
String expectedMessage = HighAvailabilityMessages.ADDED(node2.getName(), node2.getAddress()).toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getGroupLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.ADDED_LOG_HIERARCHY)));
}
public void testRemoteNodeRemoved() throws Exception
{
int node1PortNumber = findFreePort();
int node2PortNumber = getNextAvailable(node1PortNumber + 1);
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber, node2PortNumber);
node1Attributes.put(BDBHAVirtualHostNode.DESIGNATED_PRIMARY, true);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
resetEventLogger();
Map<String, Object> node2Attributes = _helper.createNodeAttributes("node2", groupName, "localhost:" + node2PortNumber, helperAddress, nodeName);
BDBHAVirtualHostNodeImpl node2 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node2Attributes);
_helper.awaitRemoteNodes(node1, 1);
reset(_eventLogger);
node2.delete();
_helper.awaitRemoteNodes(node1, 0);
// make sure that task executor thread finishes all scheduled tasks
node1.stop();
String expectedMessage = HighAvailabilityMessages.REMOVED(node2.getName(), node2.getAddress()).toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getGroupLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.REMOVED_LOG_HIERARCHY)));
}
public void testRemoteNodeDetached() throws Exception
{
int node1PortNumber = findFreePort();
int node2PortNumber = getNextAvailable(node1PortNumber + 1);
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber, node2PortNumber);
node1Attributes.put(BDBHAVirtualHostNode.DESIGNATED_PRIMARY, true);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
Map<String, Object> node2Attributes = _helper.createNodeAttributes("node2", groupName, "localhost:" + node2PortNumber, helperAddress, nodeName);
BDBHAVirtualHostNodeImpl node2 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node2Attributes);
_helper.awaitRemoteNodes(node1, 1);
reset(_eventLogger);
BDBHARemoteReplicationNodeImpl remoteNode = (BDBHARemoteReplicationNodeImpl)node1.getRemoteReplicationNodes().iterator().next();
// close remote node
node2.close();
waitForNodeDetachedField(remoteNode, true);
// verify that remaining node issues the DETACHED operational logging for remote node
String expectedMessage = HighAvailabilityMessages.LEFT(node2.getName(), node2.getAddress()).toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getGroupLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.LEFT_LOG_HIERARCHY)));
}
public void testRemoteNodeReAttached() throws Exception
{
int node1PortNumber = findFreePort();
int node2PortNumber = getNextAvailable(node1PortNumber + 1);
String helperAddress = "localhost:" + node1PortNumber;
String groupName = "group";
String nodeName = "node1";
Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber, node2PortNumber);
node1Attributes.put(BDBHAVirtualHostNode.DESIGNATED_PRIMARY, true);
BDBHAVirtualHostNodeImpl node1 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node1Attributes);
_helper.assertNodeRole(node1, "MASTER");
resetEventLogger();
Map<String, Object> node2Attributes = _helper.createNodeAttributes("node2", groupName, "localhost:" + node2PortNumber, helperAddress, nodeName);
BDBHAVirtualHostNodeImpl node2 = (BDBHAVirtualHostNodeImpl)_helper.createHaVHN(node2Attributes);
_helper.awaitRemoteNodes(node1, 1);
BDBHARemoteReplicationNodeImpl remoteNode = (BDBHARemoteReplicationNodeImpl)node1.getRemoteReplicationNodes().iterator().next();
node2.close();
waitForNodeDetachedField(remoteNode, true);
reset(_eventLogger);
node2 = (BDBHAVirtualHostNodeImpl)_helper.recoverHaVHN(node2.getId(), node2Attributes);
_helper.assertNodeRole(node2, "REPLICA", "MASTER");
waitForNodeDetachedField(remoteNode, false);
final String expectedMessage = HighAvailabilityMessages.JOINED(node2.getName(), node2.getAddress()).toString();
verify(_eventLogger).message(argThat(new LogSubjectMatcher(node1.getGroupLogSubject())),
argThat(new LogMessageMatcher(expectedMessage, HighAvailabilityMessages.JOINED_LOG_HIERARCHY)));
}
private void waitForNodeDetachedField(BDBHARemoteReplicationNodeImpl remoteNode, boolean expectedDetached) throws InterruptedException {
int counter = 0;
while (expectedDetached != remoteNode.isDetached() && counter<50)
{
Thread.sleep(100);
counter++;
}
}
private EventLogger resetEventLogger()
{
EventLogger eventLogger = mock(EventLogger.class);
SystemConfig<?> context = (SystemConfig<?>) _helper.getBroker().getParent(SystemConfig.class);
when(context.getEventLogger()).thenReturn(eventLogger);
return eventLogger;
}
class LogMessageMatcher extends ArgumentMatcher<LogMessage>
{
private String _expectedMessage;
private String _expectedMessageFailureDescription = null;
private String _expectedHierarchy;
private String _expectedHierarchyFailureDescription = null;
public LogMessageMatcher(String expectedMessage, String expectedHierarchy)
{
_expectedMessage = expectedMessage;
_expectedHierarchy = expectedHierarchy;
}
@Override
public boolean matches(Object argument)
{
LogMessage logMessage = (LogMessage)argument;
boolean expectedMessageMatches = _expectedMessage.equals(logMessage.toString());
if (!expectedMessageMatches)
{
_expectedMessageFailureDescription = "Expected message does not match. Expected: " + _expectedMessage + ", actual: " + logMessage.toString();
}
boolean expectedHierarchyMatches = _expectedHierarchy.equals(logMessage.getLogHierarchy());
if (!expectedHierarchyMatches)
{
_expectedHierarchyFailureDescription = "Expected hierarchy does not match. Expected: " + _expectedHierarchy + ", actual: " + logMessage.getLogHierarchy();
}
return expectedMessageMatches && expectedHierarchyMatches;
}
@Override
public void describeTo(Description description)
{
if (_expectedMessageFailureDescription != null)
{
description.appendText(_expectedMessageFailureDescription);
}
if (_expectedHierarchyFailureDescription != null)
{
description.appendText(_expectedHierarchyFailureDescription);
}
}
}
class LogSubjectMatcher extends ArgumentMatcher<LogSubject>
{
private LogSubject _logSubject;
private String _failureDescription = null;
public LogSubjectMatcher(LogSubject logSubject)
{
_logSubject = logSubject;
}
@Override
public boolean matches(Object argument)
{
final LogSubject logSubject = (LogSubject)argument;
final boolean foundAMatch = _logSubject.toLogString().equals(logSubject.toLogString());
if (!foundAMatch)
{
_failureDescription = "LogSubject does not match. Expected: " + _logSubject.toLogString() + ", actual : " + logSubject.toLogString();
}
return foundAMatch;
}
@Override
public void describeTo(Description description)
{
if (_failureDescription != null)
{
description.appendText(_failureDescription);
}
}
}
}
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