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InMemoryAuditLogHandlerResourceDefinition.java
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InMemoryAuditLogHandlerResourceDefinition.java
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/*
* Copyright (C) 2015 Red Hat, inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package org.jboss.as.domain.management.audit;
import static org.jboss.as.controller.audit.InMemoryAuditLogHander.OPERATION_DATE;
import static org.jboss.as.controller.audit.JsonAuditLogItemFormatter.AS_VERSION;
import static org.jboss.as.controller.audit.JsonAuditLogItemFormatter.REMOTE_ADDRESS;
import static org.jboss.as.controller.audit.JsonAuditLogItemFormatter.USER_ID;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ACCESS_MECHANISM;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DOMAIN_UUID;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.IN_MEMORY_HANDLER;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.MAX_HISTORY;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OPERATIONS;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OUTCOME;
import java.util.List;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.AbstractWriteAttributeHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ObjectTypeAttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleListAttributeDefinition;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.audit.InMemoryAuditLogHander;
import org.jboss.as.controller.audit.ManagedAuditLogger;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.operations.validation.IntRangeValidator;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.domain.management._private.DomainManagementResolver;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
*
* @author <a href="mailto:ehugonne@redhat.com">Emmanuel Hugonnet</a> (c) 2015 Red Hat, inc.
*/
public class InMemoryAuditLogHandlerResourceDefinition extends AuditLogHandlerResourceDefinition {
public static final SimpleAttributeDefinition MAX_OPERATION_COUNT = SimpleAttributeDefinitionBuilder.create(ModelDescriptionConstants.MAX_HISTORY, ModelType.INT)
.setAllowNull(true)
.setAllowExpression(true)
.setDefaultValue(new ModelNode(10))
.setValidator(new IntRangeValidator(0, true, true))
.build();
public static final AttributeDefinition HISTORY_ELEMENT = new ObjectTypeAttributeDefinition.Builder(ModelDescriptionConstants.OP,
SimpleAttributeDefinitionBuilder.create(OPERATION_DATE, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(AS_VERSION, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(USER_ID, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(DOMAIN_UUID, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(ACCESS_MECHANISM, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(REMOTE_ADDRESS, ModelType.STRING, false).setStorageRuntime().build(),
SimpleAttributeDefinitionBuilder.create(OUTCOME, ModelType.STRING, false).setStorageRuntime().build(),
SimpleListAttributeDefinition.Builder.of(OPERATIONS,
SimpleAttributeDefinitionBuilder.create(OP, ModelType.STRING, false).setStorageRuntime().build())
.build())
.build();
public static final String OPERATION_NAME = "show-logs";
protected static final AttributeDefinition[] ATTRIBUTES = new AttributeDefinition[]{MAX_OPERATION_COUNT};
public InMemoryAuditLogHandlerResourceDefinition(ManagedAuditLogger auditLogger) {
super(auditLogger, null, PathElement.pathElement(IN_MEMORY_HANDLER),
DomainManagementResolver.getResolver("core.management.in-memory-handler"),
new InMemoryAuditLogHandlerAddHandler(auditLogger), new HandlerRemoveHandler(auditLogger));
}
@Override
public void registerOperations(ManagementResourceRegistration resourceRegistration) {
super.registerOperations(resourceRegistration);
resourceRegistration.registerOperationHandler(
new SimpleOperationDefinitionBuilder(OPERATION_NAME, getResourceDescriptionResolver())
.setReadOnly()
.setRuntimeOnly()
.setReplyType(ModelType.LIST)
.setReplyValueType(ModelType.STRING)
.build(), new ShowInMemoryLogsHandler(auditLogger));
}
@Override
public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
for (AttributeDefinition def : ATTRIBUTES) {
resourceRegistration.registerReadWriteAttribute(def, null, new InMemoryMaxHistoryWriteHandler(auditLogger));
}
}
public static ModelNode createServerAddOperation(final PathAddress address, final ModelNode fileHandler) {
ModelNode add = Util.createAddOperation(address);
for (AttributeDefinition def : ATTRIBUTES) {
if (fileHandler.get(def.getName()).isDefined()) {
add.get(def.getName()).set(fileHandler.get(def.getName()));
}
}
return add;
}
protected static class ShowInMemoryLogsHandler extends AbstractRuntimeOnlyHandler {
private final ManagedAuditLogger auditLogger;
public ShowInMemoryLogsHandler(ManagedAuditLogger auditLogger) {
this.auditLogger = auditLogger;
}
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
final String name = Util.getNameFromAddress(operation.require(OP_ADDR));
ModelNode result = context.getResult().setEmptyList();
List<ModelNode> items = this.auditLogger.listLastEntries(name);
for (int i = (items.size() - 1); i >= 0; i--) {
ModelNode entry = items.get(i);
ModelNode configurationChange = entry.clone();
result.add(configurationChange);
}
}
}
protected static class InMemoryAuditLogHandlerAddHandler extends AbstractAddStepHandler {
private final ManagedAuditLogger auditLogger;
private InMemoryAuditLogHandlerAddHandler(ManagedAuditLogger auditLogger) {
this.auditLogger = auditLogger;
}
@Override
protected boolean requiresRuntime(OperationContext context) {
return true;
}
@Override
protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
super.populateModel(operation, model);
MAX_OPERATION_COUNT.validateAndSet(operation, model);
}
protected InMemoryAuditLogHander createHandler(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final String name = Util.getNameFromAddress(operation.require(OP_ADDR));
final int maxHistory = MAX_OPERATION_COUNT.resolveModelAttribute(context, operation).asInt();
return new InMemoryAuditLogHander(name, maxHistory);
}
@Override
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model)
throws OperationFailedException {
InMemoryAuditLogHander handler = createHandler(context, operation);
auditLogger.getUpdater().addHandler(handler);
auditLogger.addFormatter(handler.getFormatter());
}
@Override
protected void rollbackRuntime(OperationContext context, ModelNode operation, Resource resource) {
auditLogger.getUpdater().rollbackChanges();
}
}
protected static class InMemoryMaxHistoryWriteHandler extends AbstractWriteAttributeHandler<Void> {
private final ManagedAuditLogger auditLogger;
public InMemoryMaxHistoryWriteHandler(ManagedAuditLogger auditLogger) {
super(MAX_OPERATION_COUNT);
this.auditLogger = auditLogger;
}
@Override
protected boolean requiresRuntime(OperationContext context) {
return true;
}
@Override
protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode valueToRestore, ModelNode valueToRevert, Void handback) throws OperationFailedException {
if (MAX_HISTORY.equals(attributeName)) {
final String name = Util.getNameFromAddress(operation.require(OP_ADDR));
auditLogger.updateInMemoryHandlerMaxHistory(name, valueToRevert.asInt());
}
}
@Override
protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode resolvedValue, ModelNode currentValue, HandbackHolder<Void> handbackHolder) throws OperationFailedException {
if (MAX_HISTORY.equals(attributeName)) {
final String name = Util.getNameFromAddress(operation.require(OP_ADDR));
auditLogger.updateInMemoryHandlerMaxHistory(name, resolvedValue.asInt());
}
return false;
}
}
}