/*
* RHQ Management Platform
* Copyright (C) 2005-2013 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package org.rhq.plugins.oracle;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
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.jetbrains.annotations.Nullable;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ManualAddFacet;
import org.rhq.core.pluginapi.inventory.ProcessScanResult;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.core.system.ProcessInfo;
import org.rhq.plugins.database.DatabasePluginUtil;
/**
* @author Greg Hinkle
*/
public class OracleDiscoveryComponent implements ResourceDiscoveryComponent, ManualAddFacet {
private static final Log LOG = LogFactory.getLog(OracleDiscoveryComponent.class);
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext resourceDiscoveryContext)
throws InvalidPluginConfigurationException, Exception {
Set<DiscoveredResourceDetails> found = new HashSet<DiscoveredResourceDetails>();
List<ProcessScanResult> autoDiscoveryResults = resourceDiscoveryContext.getAutoDiscoveredProcesses();
for (ProcessScanResult process : autoDiscoveryResults) {
String sid = process.getProcessInfo().getEnvironmentVariable("ORACLE_SID");
if ((sid == null) || (sid.length() == 0)) {
LOG.info("Unable to discover Oracle instance SID. Use manual inventory to complete setup.");
continue;
}
String pwd = process.getProcessInfo().getExecutable().getCwd();
String version = null;
if (pwd.contains("10.2.0")) {
version = "10.2.0";
}
Configuration pluginConfig = resourceDiscoveryContext.getDefaultPluginConfiguration().deepCopy();
pluginConfig.put(new PropertySimple("sid", sid));
DiscoveredResourceDetails details = createResourceDetails(resourceDiscoveryContext, pluginConfig, version,
process.getProcessInfo());
found.add(details);
}
return found;
}
public DiscoveredResourceDetails discoverResource(Configuration pluginConfig,
ResourceDiscoveryContext resourceDiscoveryContext) throws InvalidPluginConfigurationException {
Connection connection = null;
try {
connection = OracleServerComponent.buildConnection(pluginConfig);
DatabaseMetaData dbmd = connection.getMetaData();
String version = dbmd.getDatabaseMajorVersion() + "." + dbmd.getDatabaseMinorVersion();
DiscoveredResourceDetails details = createResourceDetails(resourceDiscoveryContext, pluginConfig, version,
null);
return details;
} catch (Exception e) {
LOG.warn("Could not connect to oracle with supplied configuration", e);
throw new InvalidPluginConfigurationException("Unable to connect to Oracle", e);
} finally {
DatabasePluginUtil.safeClose(connection);
}
}
private static DiscoveredResourceDetails createResourceDetails(ResourceDiscoveryContext discoveryContext,
Configuration pluginConfig, String version, @Nullable
ProcessInfo processInfo) {
String key = pluginConfig.getSimpleValue("sid", "XE");
String name = key;
String description = "Oracle " + version + " (" + key + ")";
return new DiscoveredResourceDetails(discoveryContext.getResourceType(), key, name, version, description,
pluginConfig, processInfo);
}
}