/*
* RHQ Management Platform
* Copyright (C) 2005-2009 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.iptables;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.augeas.AugeasProxy;
import org.rhq.augeas.node.AugeasNode;
import org.rhq.augeas.tree.AugeasTree;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.definition.ConfigurationDefinition;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.pluginapi.configuration.ConfigurationFacet;
import org.rhq.core.pluginapi.configuration.ConfigurationUpdateReport;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceContext;
/**
*
* @author Filip Drabek
*
*/
public class IptablesChainComponent implements AugeasRHQComponent<IptablesTableComponent>, ConfigurationFacet{
private String tableName;
private String chainName;
private AugeasTree augeasTree;
private ResourceContext<IptablesTableComponent> context;
private IptablesTableComponent parentComponent;
private final Log log = LogFactory.getLog(this.getClass());
public void start(ResourceContext<IptablesTableComponent> context)
throws InvalidPluginConfigurationException, Exception {
this.context = context;
this.parentComponent = context.getParentResourceComponent();
this.chainName = context.getResourceKey();
this.tableName= context.getParentResourceComponent().getTableName();
}
public void stop() {
}
public AvailabilityType getAvailability() {
return AvailabilityType.UP;
}
public Configuration loadResourceConfiguration() throws Exception {
augeasTree = getAugeasTree();
ConfigurationDefinition resourceConfigDef = this.context.getResourceType()
.getResourceConfigurationDefinition();
IptablesConfigTransform trans = new IptablesConfigTransform(augeasTree);
List<AugeasNode> nodes = getIptablesChainNode(chainName);
Configuration config= null;
if (!nodes.isEmpty())
config = trans.transform(nodes, resourceConfigDef);
return config;
}
public void updateResourceConfiguration(ConfigurationUpdateReport config) {
IptablesConfigTransform trans = new IptablesConfigTransform(augeasTree);
trans.updateAugeas(config.getConfiguration(), new ArrayList<AugeasNode>());
}
public AugeasProxy getAugeasComponent() throws Exception {
return parentComponent.getAugeasComponent();
}
public AugeasTree getAugeasTree() throws Exception {
return parentComponent.getAugeasTree();
}
private List<AugeasNode> getIptablesChainNode(String chainName) throws Exception{
if (augeasTree == null)
return null;
String expr = File.separatorChar+tableName+File.separatorChar+chainName;
List<AugeasNode> nodes = augeasTree.matchRelative(augeasTree.getRootNode(), expr);
return nodes;
}
}