/*
* 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.hardware;
import java.io.BufferedReader;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.core.domain.resource.Resource;
import org.rhq.core.domain.resource.ResourceType;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.PluginContainerDeployment;
import org.rhq.core.pluginapi.inventory.ResourceComponent;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.measurement.MeasurementFacet;
import org.rhq.core.system.ProcessExecution;
import org.rhq.core.system.ProcessExecutionResults;
/**
* @author Greg Hinkle
*/
public class SmartDiskComponent implements ResourceComponent, MeasurementFacet {
private ResourceContext context;
private Map<String, Double> data = new HashMap<String, Double>();
public void start(ResourceContext resourceContext) throws InvalidPluginConfigurationException, Exception {
this.context = resourceContext;
}
public void stop() {
}
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) throws Exception {
updateData();
for (MeasurementScheduleRequest request : metrics) {
Double val = data.get(request.getName());
if (val != null) {
report.addData(new MeasurementDataNumeric(request, val));
}
}
}
public AvailabilityType getAvailability() {
// TODO
return AvailabilityType.UP;
}
public void updateData() throws Exception {
String prefix = context.getPluginConfiguration().getSimple("prefix").getStringValue();
String command = context.getPluginConfiguration().getSimple("command").getStringValue();
ProcessExecution proc;
if (prefix != null) {
proc = new ProcessExecution(prefix);
proc.setArguments(new String[] { command, "--attributes", context.getResourceKey() });
} else {
proc = new ProcessExecution(command);
proc.setArguments(new String[] { "--attributes", context.getResourceKey() });
}
proc.setCaptureOutput(true);
proc.setWaitForCompletion(4000);
ProcessExecutionResults results = context.getSystemInformation().executeProcess(proc);
StringReader r = new StringReader(results.getCapturedOutput());
BufferedReader br = new BufferedReader(r);
String line = null;
try {
String model = null;
Pattern p = Pattern.compile("^\\s*\\d*\\s*(\\S*)\\s*\\p{XDigit}*\\s*\\S*\\s*\\S*\\s*\\S*\\s*\\S*\\s*\\S*\\s*\\S*\\s*\\S*\\s*(\\d*).*$");
while ((line = br.readLine()) != null) {
Matcher m = p.matcher(line);
if (m.matches()) {
try {
String name = m.group(1);
if (name != null && m.group(2) != null) {
Double val = Double.valueOf(m.group(2));
data.put(name, val);
}
} catch (Exception e) {
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
SmartDiskComponent sdc = new SmartDiskComponent();
sdc.start(new ResourceContext(new Resource("/dev/sda", "foo", new ResourceType()), null, null, null, null,
null, null, null, null, null, null, null, null, PluginContainerDeployment.AGENT));
sdc.getValues(null, null);
}
}