/**
* Sends message based on properties and fields configured for the service.
*
* @param mailParms
* @return a PollStatus
*/
private PollStatus sendTestMessage(final MailTransportParameters mailParms) {
PollStatus status = PollStatus.unavailable("Test not completed.");
final long interval = mailParms.getSendTestAttemptInterval();
final TimeoutTracker tracker =
new TimeoutTracker(
mailParms.getParameterMap(), mailParms.getRetries(), mailParms.getTimeout());
for (tracker.reset(); tracker.shouldRetry(); tracker.nextAttempt()) {
tracker.startAttempt();
LOG.debug(
"sendTestMessage: sending mail attempt: {}, elapsed time: {}ms",
(tracker.getAttempt() + 1),
String.format("%.2f", tracker.elapsedTimeInMillis()));
try {
final JavaMailer sendMailer = createMailer(mailParms);
overRideDefaultProperties(mailParms, sendMailer);
sendMailer.mailSend();
status = PollStatus.available();
break;
} catch (final JavaMailerException e) {
status = PollStatus.unavailable(e.getLocalizedMessage());
}
if (tracker.shouldRetry()) {
delayTest(status, interval);
}
}
return status;
}
/**
* {@inheritDoc}
*
* <p>Poll the specified address for service availability.
*
* <p>During the poll an attempt is made to call the specified external script or program. If the
* connection request is successful, the banner line returned as standard output by the script or
* program is parsed for a partial match with the banner string specified in the poller
* configuration. Provided that the script's response is valid we set the service status to
* SERVICE_AVAILABLE and return.
*
* <p>The timeout is handled by ExecRunner and is also passed as a parameter to the script or
* program being called.
*/
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
NetworkInterface<InetAddress> iface = svc.getNetInterface();
//
// Process parameters
//
ThreadCategory log = ThreadCategory.getInstance(getClass());
//
// Get interface address from NetworkInterface
//
if (iface.getType() != NetworkInterface.TYPE_INET)
throw new NetworkInterfaceNotSupportedException(
"Unsupported interface type, only TYPE_INET currently supported");
TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
String hoption = ParameterMap.getKeyedString(parameters, "hoption", "--hostname");
String toption = ParameterMap.getKeyedString(parameters, "toption", "--timeout");
//
// convert timeout to seconds for ExecRunner
//
String args = ParameterMap.getKeyedString(parameters, "args", null);
// Script
//
String script = ParameterMap.getKeyedString(parameters, "script", null);
if (script == null) {
throw new RuntimeException(
"GpMonitor: required parameter 'script' is not present in supplied properties.");
}
// BannerMatch
//
String strBannerMatch = (String) parameters.get("banner");
// Script standard output
//
String scriptoutput = "";
// Script error output
//
String scripterror = "";
// Get the address instance.
//
InetAddress ipv4Addr = (InetAddress) iface.getAddress();
final String hostAddress = InetAddressUtils.str(ipv4Addr);
if (log.isDebugEnabled())
log.debug(
"poll: address = "
+ hostAddress
+ ", script = "
+ script
+ ", arguments = "
+ args
+ ", "
+ tracker);
// Give it a whirl
//
PollStatus serviceStatus = PollStatus.unavailable();
for (tracker.reset();
tracker.shouldRetry() && !serviceStatus.isAvailable();
tracker.nextAttempt()) {
try {
tracker.startAttempt();
int exitStatus = 100;
// Some scripts, such as Nagios check scripts, look for -H and -t versus --hostname and
// --timeout. If the optional parameter option-type is set to short, then the former
// will be used.
int timeoutInSeconds = (int) tracker.getTimeoutInSeconds();
ExecRunner er = new ExecRunner();
er.setMaxRunTimeSecs(timeoutInSeconds);
if (args == null)
exitStatus =
er.exec(
script
+ " "
+ hoption
+ " "
+ hostAddress
+ " "
+ toption
+ " "
+ timeoutInSeconds);
else
exitStatus =
er.exec(
script
+ " "
+ hoption
+ " "
+ hostAddress
+ " "
+ toption
+ " "
+ timeoutInSeconds
+ " "
+ args);
double responseTime = tracker.elapsedTimeInMillis();
if (exitStatus != 0) {
scriptoutput = er.getOutString();
serviceStatus =
logDown(
Level.DEBUG,
script
+ " failed with exit code "
+ exitStatus
+ ". Standard out: "
+ scriptoutput);
}
if (er.isMaxRunTimeExceeded()) {
serviceStatus = logDown(Level.DEBUG, script + " failed. Timeout exceeded");
} else {
if (exitStatus == 0) {
scriptoutput = er.getOutString();
scripterror = er.getErrString();
if (!scriptoutput.equals("")) log.debug(script + " output = " + scriptoutput);
else log.debug(script + " returned no output");
if (!scripterror.equals("")) log.debug(script + " error = " + scripterror);
if (strBannerMatch == null || strBannerMatch.equals("*")) {
serviceStatus = PollStatus.available(responseTime);
} else {
if (scriptoutput.indexOf(strBannerMatch) > -1) {
serviceStatus = PollStatus.available(responseTime);
} else {
serviceStatus =
PollStatus.unavailable(
script
+ "banner not contained in output banner='"
+ strBannerMatch
+ "' output='"
+ scriptoutput
+ "'");
}
}
}
}
} catch (ArrayIndexOutOfBoundsException e) {
serviceStatus = logDown(Level.DEBUG, script + " ArrayIndexOutOfBoundsException", e);
} catch (IOException e) {
serviceStatus =
logDown(
Level.DEBUG, "IOException occurred. Check for proper operation of " + script, e);
} catch (Throwable e) {
serviceStatus = logDown(Level.DEBUG, script + "Exception occurred", e);
}
}
//
// return the status of the service
//
log.debug("poll: GP - serviceStatus= " + serviceStatus + " " + hostAddress);
return serviceStatus;
}
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
PollStatus serviceStatus = PollStatus.unavailable("Poll not completed yet");
TimeoutTracker tracker =
new TimeoutTracker(parameters, DEFAULT_SEQUENCE_RETRY, DEFAULT_TIMEOUT);
for (tracker.reset();
tracker.shouldRetry() && !serviceStatus.isAvailable();
tracker.nextAttempt()) {
String seleniumTestFilename = getGroovyFilename(parameters);
try {
Map<String, Number> responseTimes = new HashMap<String, Number>();
responseTimes.put(PollStatus.PROPERTY_RESPONSE_TIME, Double.NaN);
tracker.startAttempt();
Result result =
runTest(
getBaseUrl(parameters, svc),
getTimeout(parameters),
createGroovyClass(seleniumTestFilename));
double responseTime = tracker.elapsedTimeInMillis();
responseTimes.put(PollStatus.PROPERTY_RESPONSE_TIME, responseTime);
if (result.wasSuccessful()) {
serviceStatus = PollStatus.available();
serviceStatus.setProperties(responseTimes);
} else {
serviceStatus = PollStatus.unavailable(getFailureMessage(result, svc));
}
} catch (CompilationFailedException e) {
serviceStatus =
PollStatus.unavailable(
"Selenium page sequence attempt on:"
+ svc.getIpAddr()
+ " failed : selenium-test compilation error "
+ e.getMessage());
String reason = "Selenium sequence failed: CompilationFailedException" + e.getMessage();
SeleniumMonitor.LOG.debug(reason);
PollStatus.unavailable(reason);
} catch (IOException e) {
serviceStatus =
PollStatus.unavailable(
"Selenium page sequence attempt on "
+ svc.getIpAddr()
+ " failed: IOException occurred, failed to find selenium-test: "
+ seleniumTestFilename);
String reason = "Selenium sequence failed: IOException: " + e.getMessage();
SeleniumMonitor.LOG.debug(reason);
PollStatus.unavailable(reason);
} catch (Exception e) {
serviceStatus =
PollStatus.unavailable(
"Selenium page sequence attempt on "
+ svc.getIpAddr()
+ " failed:\n"
+ e.getMessage());
String reason = "Selenium sequence failed: Exception: " + e.getMessage();
SeleniumMonitor.LOG.debug(reason);
PollStatus.unavailable(reason);
}
}
return serviceStatus;
}
private PollStatus readTestMessage(final MailTransportParameters mailParms) {
LOG.debug("readTestMessage: Beginning read mail test.");
PollStatus status = PollStatus.unavailable("Test not completed.");
final long interval = mailParms.getReadTestAttemptInterval();
if (mailParms.isEnd2EndTestInProgress()) {
LOG.debug(
"Initially delaying read test: {} because end to end test is in progress.",
mailParms.getReadTestAttemptInterval());
if (delayTest(status, interval) == PollStatus.SERVICE_UNKNOWN) {
return status;
}
}
Store mailStore = null;
Folder mailFolder = null;
try {
final JavaMailer readMailer = new JavaMailer(mailParms.getJavamailProperties());
setReadMailProperties(mailParms, readMailer);
final TimeoutTracker tracker =
new TimeoutTracker(
mailParms.getParameterMap(), mailParms.getRetries(), mailParms.getTimeout());
for (tracker.reset(); tracker.shouldRetry(); tracker.nextAttempt()) {
tracker.startAttempt();
if (tracker.getAttempt() > 0) {
if (delayTest(status, interval) == PollStatus.SERVICE_UNKNOWN) {
LOG.warn("readTestMessage: Status set to: {} during delay, exiting test.", status);
break;
}
}
LOG.debug(
"readTestMessage: reading mail attempt: {}, elapsed time: {}ms.",
(tracker.getAttempt() + 1),
String.format("%.2f", tracker.elapsedTimeInMillis()));
try {
mailStore = readMailer.getSession().getStore();
mailFolder = retrieveMailFolder(mailParms, mailStore);
mailFolder.open(Folder.READ_WRITE);
} catch (final MessagingException e) {
if (tracker.shouldRetry()) {
LOG.warn("readTestMessage: error reading INBOX", e);
closeStore(mailStore, mailFolder);
continue; // try again to get mail Folder from Store
} else {
LOG.warn("readTestMessage: error reading INBOX", e);
return PollStatus.down(e.getLocalizedMessage());
}
}
if (mailFolder.isOpen()
&& (mailParms.getReadTest().getSubjectMatch() != null
|| mailParms.isEnd2EndTestInProgress())) {
status = processMailSubject(mailParms, mailFolder);
if (status.getStatusCode() == PollStatus.SERVICE_AVAILABLE) {
break;
}
}
}
} catch (final JavaMailerException e) {
status = PollStatus.down(e.getLocalizedMessage());
} finally {
closeStore(mailStore, mailFolder);
}
return status;
}
