Examples with PollStatus org.opennms.netmgt.poller.PollStatus used on opensource projects

Example 61 with PollStatus

use of org.opennms.netmgt.poller.PollStatus in project opennms by OpenNMS.

the class LocationDataServiceIT method getDown.

private PollStatus getDown(final Date date) {
    final PollStatus ps = PollStatus.down("butt itches");
    ps.setTimestamp(date);
    return ps;
}

Example 62 with PollStatus

use of org.opennms.netmgt.poller.PollStatus in project opennms by OpenNMS.

the class AvailCalculatorTest method testGetAvailabilityOneStatus.

@Test
public void testGetAvailabilityOneStatus() {
    Date endTime = new Date(System.currentTimeMillis());
    Date startTime = new Date(endTime.getTime() - 100);
    PollStatus pollStatus = PollStatus.unavailable();
    Date timestamp = new Date(endTime.getTime() - 50);
    OnmsLocationSpecificStatus statusChange = createStatusChange(pollStatus, timestamp);
    TimeChunker chunker = new TimeChunker((int) (endTime.getTime() - startTime.getTime()), startTime, endTime);
    AvailCalculator calculator = new AvailCalculator(chunker);
    calculator.onStatusChange(statusChange);
    chunker.getNextSegment();
    double uptimePercent = calculator.getAvailabilityFor(getServices(), 0);
    assertEquals(0.5, uptimePercent, 0.00);
}

Example 63 with PollStatus

use of org.opennms.netmgt.poller.PollStatus in project opennms by OpenNMS.

the class DnsMonitor method pollDNS.

private PollStatus pollDNS(final TimeoutTracker timeoutTracker, final int port, final InetAddress address, final String lookup, final List<Integer> fatalCodes, int minAnswers, int maxAnswers) {
    final String addr = InetAddressUtils.str(address);
    for (timeoutTracker.reset(); timeoutTracker.shouldRetry(); timeoutTracker.nextAttempt()) {
        try {
            final Name name = Name.fromString(lookup, Name.root);
            final SimpleResolver resolver = new SimpleResolver();
            resolver.setAddress(new InetSocketAddress(addr, port));
            resolver.setLocalAddress((InetSocketAddress) null);
            double timeout = timeoutTracker.getSoTimeout() / 1000d;
            resolver.setTimeout((timeout < 1 ? 1 : (int) timeout));
            final Record question = Record.newRecord(name, Type.A, DClass.IN);
            final Message query = Message.newQuery(question);
            PollStatus status;
            timeoutTracker.startAttempt();
            final Message response = resolver.send(query);
            double responseTime = timeoutTracker.elapsedTimeInMillis();
            final Integer rcode = response.getHeader().getRcode();
            LOG.debug("received response code: {}", rcode);
            if (fatalCodes.contains(rcode)) {
                status = PollStatus.unavailable("Received an invalid DNS response for address: " + addr);
                LOG.debug(status.getReason());
                return status;
            } else if (minAnswers != DEFAULT_MIN_ANSWERS || maxAnswers != DEFAULT_MAX_ANSWERS) {
                int numAnswers = response.getSectionArray(Section.ANSWER).length;
                boolean tooFewAnswers = numAnswers < minAnswers;
                boolean tooManyAnswers = numAnswers > maxAnswers;
                if (tooFewAnswers) {
                    status = PollStatus.unavailable("Response contained only " + numAnswers + " answer(s), but at least " + minAnswers + " answers(s) are needed.");
                    LOG.warn(status.getReason());
                    return status;
                }
                if (tooManyAnswers) {
                    status = PollStatus.unavailable("Response contained " + numAnswers + " answer(s), but " + maxAnswers + " or fewer answers(s) are needed.");
                    LOG.warn(status.getReason());
                    return status;
                }
                status = PollStatus.up(responseTime);
                LOG.debug("valid DNS response received with {} answer(s), responseTime = {}ms", numAnswers, responseTime);
                return status;
            } else {
                status = PollStatus.up(responseTime);
                LOG.debug("valid DNS response received, responseTime = {}ms", responseTime);
                return status;
            }
        } catch (final InterruptedIOException e) {
        // No response received, retry without marking the poll failed. If we get this condition over and over until
        // the retries are exhausted, it will leave serviceStatus null and we'll get the log message at the bottom
        } catch (final NoRouteToHostException e) {
            String reason1 = "No route to host exception for address: " + addr;
            LOG.debug(reason1, e);
            return PollStatus.unavailable(reason1);
        } catch (final ConnectException e) {
            String reason1 = "Connection exception for address: " + addr;
            LOG.debug(reason1, e);
            return PollStatus.unavailable(reason1);
        } catch (final IOException e) {
            String reason1 = "IOException while polling address: " + addr + " " + e.getMessage();
            LOG.debug(reason1, e);
            return PollStatus.unavailable(reason1);
        }
    }
    String reason = "Never received valid DNS response for address: " + addr;
    LOG.debug(reason);
    return PollStatus.unavailable(reason);
}

Example 64 with PollStatus

use of org.opennms.netmgt.poller.PollStatus in project opennms by OpenNMS.

the class FtpMonitor method poll.

// read()
/**
 * {@inheritDoc}
 *
 * Poll the specified address for FTP service availability.
 *
 * During the poll an attempt is made to connect on the specified port (by
 * default TCP port 21). If the connection request is successful, the banner
 * line generated by the interface is parsed and if the extracted return
 * code indicates that we are talking to an FTP server we continue. Next, an
 * FTP 'QUIT' command is sent. Provided that the interface's response is
 * valid we set the service status to SERVICE_AVAILABLE and return.
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    // Get the parameters
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    int port = ParameterMap.getKeyedInteger(parameters, "port", DEFAULT_PORT);
    String userid = ParameterMap.getKeyedString(parameters, "userid", null);
    String password = ParameterMap.getKeyedString(parameters, "password", null);
    // Extract the address
    InetAddress ipAddr = svc.getAddress();
    PollStatus serviceStatus = PollStatus.unavailable();
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        LOG.debug("FtpMonitor.poll: Polling interface: {} {}", InetAddressUtils.str(ipAddr), tracker);
        Socket socket = null;
        try {
            // create a connected socket
            tracker.startAttempt();
            socket = new Socket();
            socket.connect(new InetSocketAddress(ipAddr, port), tracker.getConnectionTimeout());
            socket.setSoTimeout(tracker.getSoTimeout());
            LOG.debug("FtpMonitor: connected to host: {} on port: {}", ipAddr, port);
            // We're connected, so upgrade status to unresponsive
            serviceStatus = PollStatus.unresponsive();
            BufferedReader lineRdr = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            FtpResponse bannerResponse = FtpResponse.readResponse(lineRdr);
            if (bannerResponse.isSuccess()) {
                // Attempt to login if userid and password available
                boolean loggedInSuccessfully = false;
                LOG.debug("FtpMonitor: Banner response successful.");
                if (userid == null || userid.length() == 0 || password == null || password.length() == 0) {
                    loggedInSuccessfully = true;
                } else {
                    FtpResponse.sendCommand(socket, "USER " + userid);
                    FtpResponse userResponse = FtpResponse.readResponse(lineRdr);
                    if (userResponse.isSuccess() || userResponse.isIntermediate()) {
                        LOG.debug("FtpMonitor: User response successful.");
                        FtpResponse.sendCommand(socket, "PASS " + password);
                        FtpResponse passResponse = FtpResponse.readResponse(lineRdr);
                        if (passResponse.isSuccess()) {
                            LOG.debug("FtpMonitor.poll: Login successful, parsed return code: {}", passResponse.getCode());
                            loggedInSuccessfully = true;
                        } else {
                            LOG.debug("FtpMonitor.poll: Login failed, parsed return code: {}, full response: {}", passResponse.getCode(), passResponse);
                            loggedInSuccessfully = false;
                        }
                    }
                }
                // Store the response time before we try to quit
                double responseTime = tracker.elapsedTimeInMillis();
                if (loggedInSuccessfully) {
                    FtpResponse.sendCommand(socket, "QUIT");
                    FtpResponse quitResponse = FtpResponse.readResponse(lineRdr);
                    /*
                         * Special Cases for success:
                         * 
                         * Also want to accept the following
                         * ERROR message generated by some FTP servers
                         * following a QUIT command without a previous
                         * successful login:
                         *
                         * "530 QUIT : User not logged in. Please login with
                         * USER and PASS first."
                         * 
                         * Also want to accept the following ERROR
                         * message generated by some FTP servers following a
                         * QUIT command without a previously successful login:
                         *
                         * "425 Session is disconnected."
                         */
                    if (quitResponse.isSuccess() || (quitResponse.getCode() == 530) || (quitResponse.getCode() == 425)) {
                        serviceStatus = PollStatus.available(responseTime);
                    }
                }
            }
            /*
                 * If we get this far and the status has not been set
                 * to available, then something didn't verify during
                 * the banner checking or login/QUIT command process.
                 */
            if (!serviceStatus.isAvailable()) {
                serviceStatus = PollStatus.unavailable();
            }
        } catch (NumberFormatException e) {
            String reason = "NumberFormatException while polling address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (NoRouteToHostException e) {
            String reason = "No route to host exception for address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (InterruptedIOException e) {
            String reason = "did not connect to host with " + tracker;
            LOG.debug(reason);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (ConnectException e) {
            String reason = "Connection exception for address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (IOException e) {
            String reason = "IOException while polling address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } finally {
            try {
                // Close the socket
                if (socket != null) {
                    socket.close();
                }
            } catch (IOException e) {
                LOG.debug("FtpMonitor.poll: Error closing socket", e);
            }
        }
    }
    return serviceStatus;
}

Example 65 with PollStatus

use of org.opennms.netmgt.poller.PollStatus in project opennms by OpenNMS.

the class GpMonitor method poll.

// read()
/**
 * {@inheritDoc}
 *
 * Poll the specified address for service availability.
 *
 * 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.
 *
 * The timeout is handled by ExecRunner and is also passed as a parameter to
 * the script or program being called.
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    LOG.warn("GpMonitor: This poller monitor is deprecated in favor of SystemExecuteMonitor. GpMonitor will be removed in a future release.");
    // 
    // Process parameters
    // 
    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 ipAddr = svc.getAddress();
    final String hostAddress = InetAddressUtils.str(ipAddr);
    LOG.debug("poll: address = {}, script = {}, arguments = {}, {}", hostAddress, script, 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();
                String reason = script + " failed with exit code " + exitStatus + ". Standard out: " + scriptoutput;
                LOG.debug(reason);
                serviceStatus = PollStatus.unavailable(reason);
            }
            if (er.isMaxRunTimeExceeded()) {
                String reason = script + " failed. Timeout exceeded";
                LOG.debug(reason);
                serviceStatus = PollStatus.unavailable(reason);
            } else {
                if (exitStatus == 0) {
                    scriptoutput = er.getOutString();
                    scripterror = er.getErrString();
                    if (!scriptoutput.equals(""))
                        LOG.debug("{} output  = {}", script, scriptoutput);
                    else
                        LOG.debug("{} returned no output", script);
                    if (!scripterror.equals(""))
                        LOG.debug("{} error = {}", script, 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) {
            String reason = script + " ArrayIndexOutOfBoundsException";
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (IOException e) {
            String reason = "IOException occurred. Check for proper operation of " + script;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (Throwable e) {
            String reason = script + "Exception occurred";
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        }
    }
    // 
    // return the status of the service
    // 
    LOG.debug("poll: GP - serviceStatus= {} {}", serviceStatus, hostAddress);
    return serviceStatus;
}