/*
* RHQ Management Platform
* Copyright (C) 2005-2008 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 as published by
* the Free Software Foundation version 2 of the License.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.plugins.virt;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.resource.ResourceType;
import org.rhq.core.pluginapi.inventory.DeleteResourceFacet;
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;
/**
* @author Greg Hinkle
*/
public class VirtualizationDomainDiscoveryComponent implements ResourceDiscoveryComponent {
private Log log = LogFactory.getLog(getClass());
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext resourceDiscoveryContext)
throws InvalidPluginConfigurationException, Exception {
Set<DiscoveredResourceDetails> details = new HashSet<DiscoveredResourceDetails>();
String uri = resourceDiscoveryContext.getParentResourceContext().getPluginConfiguration().getSimpleValue(
"connectionURI", "");
LibVirtConnection virt = null;
try {
virt = new LibVirtConnection(uri);
} catch (Throwable t) {
log.warn(String.format("Can not load native library for libvirt with uri '%s'. Message is '%s'.: ", uri, t
.getMessage()), t);
return details;
}
int[] ids;
List<String> guests = null;
try {
ids = virt.getDomainIds();
guests = virt.getDomainNames();
} catch (Exception e) {
log.info("Failure obtaining domains from libvirt: " + e.getMessage());
return details;
}
// Ids represent running guests, Names are not running. We need to populate both.
for (int id : ids) {
LibVirtConnection.DomainInfo domainInfo = virt.getDomainInfo(id);
details.add(createResource(resourceDiscoveryContext.getResourceType(), domainInfo));
}
for (String guestName : guests) {
if (guestName != null) {
LibVirtConnection.DomainInfo domainInfo = virt.getDomainInfo(guestName);
details.add(createResource(resourceDiscoveryContext.getResourceType(), domainInfo));
}
}
virt.close();
return details;
}
public DiscoveredResourceDetails createResource(ResourceType resourceType, LibVirtConnection.DomainInfo domainInfo) {
DiscoveredResourceDetails detail = new DiscoveredResourceDetails(resourceType, domainInfo.name,
domainInfo.name, null, // TODO - Change to domain id?
"Guest Named " + domainInfo.name, null, null);
return detail;
}
}