org.rhq.plugins.sqlserver.MSSQLDiscoveryComponent.java Source code

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Here is the source code for org.rhq.plugins.sqlserver.MSSQLDiscoveryComponent.java

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/*
 * 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.sqlserver;

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
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.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.core.util.jdbc.JDBCUtil;

public class MSSQLDiscoveryComponent implements ResourceDiscoveryComponent, ManualAddFacet {

    private static final Log log = LogFactory.getLog(MSSQLDiscoveryComponent.class);

    private static final String INSTANCE_NAME_QUERY = "SELECT @@SERVERNAME";

    public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext resourceDiscoveryContext)
            throws InvalidPluginConfigurationException {
        Set<DiscoveredResourceDetails> found = new HashSet<DiscoveredResourceDetails>();
        List<ProcessScanResult> autoDiscoveryResults = resourceDiscoveryContext.getAutoDiscoveredProcesses();
        for (ProcessScanResult process : autoDiscoveryResults) {

            ProcessInfo info = process.getProcessInfo();

            String pwd = process.getProcessInfo().getExecutable().getCwd(); // Fix this

            String version = pwd; // And this

            Configuration pluginConfig = resourceDiscoveryContext.getDefaultPluginConfiguration().deepCopy();

            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;
        String version = null;
        String instanceName = null;
        try {
            connection = MSSQLServerComponent.buildConnection(pluginConfig);
            DatabaseMetaData dbmd = connection.getMetaData();
            version = dbmd.getDatabaseProductVersion();
            ResultSet rs = connection.createStatement().executeQuery(INSTANCE_NAME_QUERY);
            if (rs.next()) {
                instanceName = rs.getString(1);
            }
            rs.close();
        } catch (Exception e) {
            log.warn("Could not connect to SQL Server with supplied configuration", e);
            //         throw new InvalidPluginConfigurationException("Unable to connect to SQL Server", e);
        } finally {
            JDBCUtil.safeClose(connection);
        }

        DiscoveredResourceDetails details = createResourceDetails(resourceDiscoveryContext, pluginConfig, version,
                null);
        details.setResourceName(instanceName);
        return details;

    }

    private static DiscoveredResourceDetails createResourceDetails(ResourceDiscoveryContext discoveryContext,
            Configuration pluginConfig, String version, @Nullable ProcessInfo processInfo) {
        String description = "SQL Server " + version;
        String key = "sqlserver";
        String value = "MSSQLSERVER";
        return new DiscoveredResourceDetails(discoveryContext.getResourceType(), key, value, version, description,
                pluginConfig, processInfo);
    }
}