/*
* 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.cron;
import java.io.File;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.resource.ResourceType;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.augeas.AugeasConfigurationComponent;
import org.rhq.plugins.augeas.AugeasConfigurationDiscoveryComponent;
import org.rhq.augeas.util.Glob;
/**
* Discovery for cron tabs.
*
* @author Lukas Krejci
*/
public class CronTabDiscoveryComponent implements ResourceDiscoveryComponent<CronComponent> {
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext<CronComponent> context)
throws InvalidPluginConfigurationException, Exception {
Configuration cronConfiguration = context.getParentResourceContext().getPluginConfiguration();
List<String> includes = AugeasConfigurationDiscoveryComponent.getGlobList(
cronConfiguration.getSimple(AugeasConfigurationComponent.INCLUDE_GLOBS_PROP));
List<String> excludes = AugeasConfigurationDiscoveryComponent.getGlobList(
cronConfiguration.getSimple(AugeasConfigurationComponent.EXCLUDE_GLOBS_PROP));
String rootPath = cronConfiguration.getSimpleValue(AugeasConfigurationComponent.AUGEAS_ROOT_PATH_PROP, AugeasConfigurationComponent.DEFAULT_AUGEAS_ROOT_PATH);
List<File> files = Glob.matchAll(new File(rootPath), includes);
Glob.excludeAll(files, excludes);
HashSet<DiscoveredResourceDetails> results = new HashSet<DiscoveredResourceDetails>();
ResourceType resourceType = context.getResourceType();
int pathUnderRootStartIdx = rootPath.endsWith(File.separator) ? rootPath.length() - 1 : rootPath.length();
for (File f : files) {
String resourceKey = f.getAbsolutePath().substring(pathUnderRootStartIdx);
Configuration defaultConfiguration = context.getDefaultPluginConfiguration();
defaultConfiguration.put(AugeasConfigurationDiscoveryComponent.getGlobList(
AugeasConfigurationComponent.INCLUDE_GLOBS_PROP, Collections.singletonList(resourceKey)));
defaultConfiguration.put(new PropertySimple(AugeasConfigurationComponent.AUGEAS_ROOT_PATH_PROP, rootPath));
DiscoveredResourceDetails result = new DiscoveredResourceDetails(resourceType, resourceKey, resourceKey,
null, null, defaultConfiguration, null);
results.add(result);
}
return results;
}
}