@Override
public void start() {
metricList = new ArrayList<Metric>();
if (mode.equals("tower4clouds")) {
for (String metric : getProvidedMetrics()) {
try {
InternalComponent resource =
new InternalComponent(
Config.getInstance().getInternalComponentType(),
Config.getInstance().getInternalComponentId());
if (dcAgent.shouldMonitor(resource, metric)) {
Map<String, String> parameters = dcAgent.getParameters(resource, metric);
JDBC_URL = parameters.get("databaseAddress");
JDBC_NAME = parameters.get("databaseUser");
JDBC_PASSWORD = parameters.get("databasePassword");
}
} catch (ConfigurationException e) {
e.printStackTrace();
}
}
} else {
try {
String folder = new File(".").getCanonicalPath();
File file = new File(folder + "/config/configuration_MySQL.xml");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder;
dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(file);
doc.getDocumentElement().normalize();
NodeList nList = doc.getElementsByTagName("metricName");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node nNode = nList.item(temp);
Metric temp_metric = new Metric();
temp_metric.setMetricName(nNode.getTextContent());
temp_metric.setSamplingProb(1);
metricList.add(temp_metric);
}
NodeList nList_jdbc = doc.getElementsByTagName("mysql-metric");
for (int i = 0; i < nList_jdbc.getLength(); i++) {
Node nNode = nList_jdbc.item(i);
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
JDBC_URL = eElement.getElementsByTagName("databaseAddress").item(0).getTextContent();
JDBC_NAME = eElement.getElementsByTagName("databaseUser").item(0).getTextContent();
JDBC_PASSWORD =
eElement.getElementsByTagName("databasePassword").item(0).getTextContent();
monitoredTarget =
eElement.getElementsByTagName("monitoredTarget").item(0).getTextContent();
period =
Integer.valueOf(
eElement.getElementsByTagName("monitorPeriod").item(0).getTextContent());
}
}
} catch (ParserConfigurationException e1) {
e1.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
Class.forName(JDBC_DRIVER);
} catch (Exception ex) {
System.out.println("Error Class.forName" + ex);
ex.printStackTrace();
System.exit(0);
}
try {
conDb = DriverManager.getConnection(JDBC_URL, JDBC_NAME, JDBC_PASSWORD);
} catch (Exception ex) {
System.out.println("Error getConnection" + ex);
ex.printStackTrace();
System.exit(0);
}
sqlt = new Thread(this, "mysql-mon");
}
@Override
public void run() {
String monitoredMachineAddress = null;
String user = null;
String password = null;
String host = null;
for (String metric : getProvidedMetrics()) {
try {
if (dcAgent.shouldMonitor(
new VM(Config.getInstance().getVmType(), Config.getInstance().getVmId()), metric)) {
Map<String, String> parameters = dcAgent.getParameters(metric);
monitoredMachineAddress = parameters.get("monitoredMachineAddress");
user = parameters.get("user");
password = parameters.get("password");
host = parameters.get("host");
}
} catch (ConfigurationException e) {
e.printStackTrace();
}
}
JSch jsch = new JSch();
try {
session = jsch.getSession(user, host, 22);
session.setPassword(password);
session.setConfig("StrictHostKeyChecking", "no");
session.connect(10 * 1000);
long startTime = 0;
while (!fmt.isInterrupted()) {
if (System.currentTimeMillis() - startTime > 60000) {
for (String metric : getProvidedMetrics()) {
if (dcAgent.shouldMonitor(
new VM(Config.getInstance().getVmType(), Config.getInstance().getVmId()), metric)) {
Map<String, String> parameters = dcAgent.getParameters(metric);
period = Integer.valueOf(parameters.get("samplingTime"));
samplingProb = Double.valueOf(parameters.get("samplingProbability"));
}
}
startTime = System.currentTimeMillis();
}
boolean isSent = false;
if (Math.random() < samplingProb) {
isSent = true;
}
channel = session.openChannel("exec");
String command =
"snmpwalk -c public -v 1 " + monitoredMachineAddress + " .1.3.6.1.4.1.2021.51";
// command = "ls -l";
((ChannelExec) channel).setCommand(command);
channel.setInputStream(null);
((ChannelExec) channel).setErrStream(System.err);
channel.setOutputStream(System.out);
InputStream in = channel.getInputStream();
channel.connect();
BufferedReader buf = new BufferedReader(new InputStreamReader(in));
String line = "";
int count = 0;
boolean isFirst = true;
String metricName = null;
while ((line = buf.readLine()) != null) {
Pattern p = Pattern.compile("\"([^\"]*)\"");
Matcher m = p.matcher(line);
while (m.find()) {
if (isFirst) {
if (m.group(1).equals("NodeID")) {
count++;
metricName = "NodeID";
System.out.println("NodeID");
isFirst = false;
}
continue;
} else {
if (count % 2 == 1) {
try {
if (isSent) {
logger.info("Sending datum: {} {} {}", m.group(1), metricName, monitoredTarget);
dcAgent.send(
new VM(Config.getInstance().getVmType(), Config.getInstance().getVmId()),
metricName,
m.group(1));
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// sendMonitoringDatum(Double.valueOf(m.group(1)),
// ResourceFactory.createResource(MC.getURI() + metricName), monitoredResourceURL,
// monitoredResource);
// System.out.println(metricName+" "+m.group(1));
count++;
} else {
metricName = m.group(1);
count++;
}
}
}
}
Thread.sleep(period);
}
} catch (JSchException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (NumberFormatException e) {
e.printStackTrace();
} catch (ConfigurationException e) {
e.printStackTrace();
}
}