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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;
import java.io.IOException;
import java.security.PrivilegedAction;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.security.auth.Subject;
import org.apache.log4j.Logger;
import org.apache.qpid.server.configuration.IllegalConfigurationException;
import org.apache.qpid.server.logging.messages.ConfigStoreMessages;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.RemoteReplicationNode;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.model.VirtualHostNode;
import org.apache.qpid.server.security.SecurityManager;
import org.apache.qpid.server.store.ConfiguredObjectRecord;
import org.apache.qpid.server.store.ConfiguredObjectRecordImpl;
import org.apache.qpid.server.store.DurableConfigurationStore;
import org.apache.qpid.server.store.VirtualHostStoreUpgraderAndRecoverer;
public abstract class AbstractStandardVirtualHostNode<X extends AbstractStandardVirtualHostNode<X>> extends AbstractVirtualHostNode<X>
implements VirtualHostNode<X>
{
private static final Logger LOGGER = Logger.getLogger(AbstractStandardVirtualHostNode.class);
public AbstractStandardVirtualHostNode(Map<String, Object> attributes,
Broker<?> parent)
{
super(parent, attributes);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected <C extends ConfiguredObject> C addChild(Class<C> childClass, Map<String, Object> attributes,
ConfiguredObject... otherParents)
{
if(childClass == VirtualHost.class)
{
return (C) getObjectFactory().create(VirtualHost.class, attributes, this);
}
return super.addChild(childClass, attributes, otherParents);
}
@Override
protected void activate()
{
if (LOGGER.isDebugEnabled())
{
LOGGER.debug("Activating virtualhost node " + this);
}
try
{
ConfiguredObjectRecord[] initialRecords = getInitialRecords();
getConfigurationStore().openConfigurationStore(this, false, initialRecords);
if(initialRecords != null && initialRecords.length > 0)
{
setAttribute(VIRTUALHOST_INITIAL_CONFIGURATION, getVirtualHostInitialConfiguration(), "{}");
}
}
catch (IOException e)
{
throw new IllegalConfigurationException("Could not process initial configuration", e);
}
getConfigurationStore().upgradeStoreStructure();
getEventLogger().message(getConfigurationStoreLogSubject(), ConfigStoreMessages.CREATED());
writeLocationEventLog();
getEventLogger().message(getConfigurationStoreLogSubject(), ConfigStoreMessages.RECOVERY_START());
VirtualHostStoreUpgraderAndRecoverer upgrader = new VirtualHostStoreUpgraderAndRecoverer(this);
upgrader.perform(getConfigurationStore());
getEventLogger().message(getConfigurationStoreLogSubject(), ConfigStoreMessages.RECOVERY_COMPLETE());
VirtualHost<?,?,?> host = getVirtualHost();
if (host != null)
{
final VirtualHost<?,?,?> recoveredHost = host;
Subject.doAs(SecurityManager.getSubjectWithAddedSystemRights(), new PrivilegedAction<Object>()
{
@Override
public Object run()
{
recoveredHost.open();
return null;
}
});
}
}
@Override
protected ConfiguredObjectRecord enrichInitialVirtualHostRootRecord(final ConfiguredObjectRecord vhostRecord)
{
ConfiguredObjectRecord replacementRecord;
if (vhostRecord.getAttributes().get(ConfiguredObject.NAME) == null)
{
Map<String, Object> updatedAttributes = new LinkedHashMap<>(vhostRecord.getAttributes());
updatedAttributes.put(ConfiguredObject.NAME, getName());
if (!updatedAttributes.containsKey(VirtualHost.MODEL_VERSION))
{
updatedAttributes.put(VirtualHost.MODEL_VERSION, getBroker().getModelVersion());
}
replacementRecord = new ConfiguredObjectRecordImpl(vhostRecord.getId(),
vhostRecord.getType(),
updatedAttributes,
vhostRecord.getParents());
}
else if (vhostRecord.getAttributes().get(VirtualHost.MODEL_VERSION) == null)
{
Map<String, Object> updatedAttributes = new LinkedHashMap<>(vhostRecord.getAttributes());
updatedAttributes.put(VirtualHost.MODEL_VERSION, getBroker().getModelVersion());
replacementRecord = new ConfiguredObjectRecordImpl(vhostRecord.getId(),
vhostRecord.getType(),
updatedAttributes,
vhostRecord.getParents());
}
else
{
replacementRecord = vhostRecord;
}
return replacementRecord;
}
protected abstract void writeLocationEventLog();
@Override
public String toString()
{
return this.getClass().getSimpleName() + "[id=" + getId() + ", name=" + getName() + ", state=" + getState() + "]";
}
@Override
public Collection<RemoteReplicationNode<?>> getRemoteReplicationNodes()
{
return Collections.emptyList();
}
@Override
public void validateOnCreate()
{
super.validateOnCreate();
DurableConfigurationStore store = createConfigurationStore();
if (store != null)
{
try
{
store.openConfigurationStore(this, false);
}
catch (Exception e)
{
throw new IllegalConfigurationException("Cannot open node configuration store:" + e.getMessage(), e);
}
finally
{
try
{
store.closeConfigurationStore();
}
catch(Exception e)
{
LOGGER.warn("Failed to close database", e);
}
}
}
}
}