/*
* 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.postgres;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.HashSet;
import java.util.Set;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.database.DatabasePluginUtil;
/**
* @author Greg Hinkle
*/
public class PostgresDatabaseDiscoveryComponent implements ResourceDiscoveryComponent<PostgresServerComponent<?>> {
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext<PostgresServerComponent<?>> context)
throws Exception {
Set<DiscoveredResourceDetails> databases = new HashSet<DiscoveredResourceDetails>();
Connection connection = null;
Statement statement = null;
ResultSet resultSet = null;
try {
connection = context.getParentResourceComponent().getPooledConnectionProvider().getPooledConnection();
statement = connection.createStatement();
resultSet = statement
.executeQuery("SELECT *, pg_database_size(datname) FROM pg_database where datistemplate = false");
while (resultSet.next()) {
String databaseName = resultSet.getString("datname");
DiscoveredResourceDetails database = new DiscoveredResourceDetails(context.getResourceType(),
databaseName, databaseName, null, "The " + databaseName + " Postgres Database Instance", null, null);
database.getPluginConfiguration().put(new PropertySimple("databaseName", databaseName));
databases.add(database);
}
} finally {
DatabasePluginUtil.safeClose(connection, statement, resultSet);
}
return databases;
}
}