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

Example 71 with PollStatus

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

the class JMXMonitor method poll.

/**
 * {@inheritDoc}
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> map) {
    final InetAddress ipv4Addr = svc.getAddress();
    PollStatus serviceStatus = PollStatus.unavailable();
    try {
        final Timer timer = new Timer();
        final JmxConnectionManager connectionManager = new DefaultConnectionManager(ParameterMap.getKeyedInteger(map, "retry", 3));
        final JmxConnectionManager.RetryCallback retryCallback = new JmxConnectionManager.RetryCallback() {

            @Override
            public void onRetry() {
                timer.reset();
            }
        };
        try (JmxServerConnectionWrapper connection = connectionManager.connect(getConnectionName(), ipv4Addr, JmxUtils.convertToStringMap(map), retryCallback)) {
            // Start with simple communication
            connection.getMBeanServerConnection().getMBeanCount();
            // Take time just here to get not influenced by test execution
            // time
            final long nanoResponseTime = System.nanoTime() - timer.getStartTime();
            // Find all variable definitions
            final Map<String, Object> variables = Maps.newHashMap();
            for (final String key : map.keySet()) {
                // Skip fast if it does not start with the prefix
                if (!key.startsWith(PARAM_BEAN_PREFIX)) {
                    continue;
                }
                // Get the variable name
                final String variable = key.substring(PARAM_BEAN_PREFIX.length());
                // Get the variable definition
                final String definition = ParameterMap.getKeyedString(map, key, null);
                // Store wrapper for variable definition
                variables.put(variable, ObjectNameWrapper.create(connection.getMBeanServerConnection(), definition));
            }
            // Find all test definitions
            final Map<String, Expression> tests = Maps.newHashMap();
            for (final String key : map.keySet()) {
                // Skip fast if it does not start with the prefix
                if (!key.startsWith(PARAM_TEST_PREFIX)) {
                    continue;
                }
                // Get the test name
                final String variable = key.substring(PARAM_TEST_PREFIX.length());
                // Get the test definition
                final String definition = ParameterMap.getKeyedString(map, key, null);
                // Build the expression from the definition
                final Expression expression = JEXL_ENGINE.createExpression(definition);
                // Store expressions
                tests.put(variable, expression);
            }
            // Also handle a single test
            if (map.containsKey(PARAM_TEST)) {
                // Get the test definition
                final String definition = ParameterMap.getKeyedString(map, PARAM_TEST, null);
                // Build the expression from the definition
                final Expression expression = JEXL_ENGINE.createExpression(definition);
                // Store expressions
                tests.put(null, expression);
            }
            // Build the context for all tests
            final JexlContext context = new ReadonlyContext(new MapContext(variables));
            serviceStatus = PollStatus.up(nanoResponseTime / 1000000.0);
            // Execute all tests
            for (final Map.Entry<String, Expression> e : tests.entrySet()) {
                if (!(boolean) e.getValue().evaluate(context)) {
                    serviceStatus = PollStatus.down("Test failed: " + e.getKey());
                    break;
                }
            }
        } catch (JmxServerConnectionException mbse) {
            // Number of retries exceeded
            String reason = "IOException while polling address: " + ipv4Addr;
            LOG.debug(reason);
            serviceStatus = PollStatus.unavailable(reason);
        }
    } catch (Throwable e) {
        String reason = "Monitor - failed! " + InetAddressUtils.str(ipv4Addr);
        LOG.debug(reason);
        serviceStatus = PollStatus.unavailable(reason);
    }
    return serviceStatus;
}

Example 72 with PollStatus

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

the class JolokiaBeanMonitor method poll.

/**
 * {@inheritDoc}
 *
 * Poll the specified address for service availability.
 *
 * During the poll an attempt is made to execute the named method (with
 * optional input) connect on the specified port. If the exec on request is
 * successful, the banner line generated by the interface is parsed and if
 * the banner text indicates that we are talking to Provided that the
 * interface's response is valid we set the service status to
 * SERVICE_AVAILABLE and return.
 */
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    // 
    // Process parameters
    // 
    // 
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    // Port
    int port = ParameterMap.getKeyedInteger(parameters, PARAMETER_PORT, DEFAULT_PORT);
    // URL
    String strURL = ParameterMap.getKeyedString(parameters, PARAMETER_URL, DEFAULT_URL);
    // Username
    String strUser = ParameterMap.getKeyedString(parameters, PARAMETER_USERNAME, null);
    // Password
    String strPasswd = ParameterMap.getKeyedString(parameters, PARAMETER_PASSWORD, null);
    // AttrName
    String strAttrName = ParameterMap.getKeyedString(parameters, PARAMETER_ATTRNAME, null);
    // AttrPath
    String strAttrPath = ParameterMap.getKeyedString(parameters, PARAMETER_ATTRPATH, null);
    // BeanName
    String strBeanName = ParameterMap.getKeyedString(parameters, PARAMETER_BEANNAME, null);
    // MethodName
    String strMethodName = ParameterMap.getKeyedString(parameters, PARAMETER_METHODNAME, null);
    // Optional Inputs
    String strInput1 = ParameterMap.getKeyedString(parameters, PARAMETER_METHODINPUT1, null);
    String strInput2 = ParameterMap.getKeyedString(parameters, PARAMETER_METHODINPUT2, null);
    // BannerMatch
    String strBannerMatch = ParameterMap.getKeyedString(parameters, PARAMETER_BANNER, null);
    // Get the address instance.
    InetAddress ipAddr = svc.getAddress();
    final String hostAddress = InetAddressUtils.str(ipAddr);
    LOGGER.debug("poll: address = " + hostAddress + ", port = " + port + ", " + tracker);
    strURL = strURL.replace("${ipaddr}", hostAddress);
    strURL = strURL.replace("${port}", ((Integer) port).toString());
    LOGGER.debug("poll: final URL address = " + strURL);
    // Give it a whirl
    PollStatus serviceStatus = PollStatus.unknown("Initialized");
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        try {
            tracker.startAttempt();
            J4pClientBuilder j4pClientBuilder = new J4pClientBuilder();
            j4pClientBuilder.url(strURL).connectionTimeout(tracker.getConnectionTimeout()).socketTimeout(tracker.getSoTimeout());
            if (strUser != null && strPasswd != null) {
                j4pClientBuilder.user(strUser).password(strPasswd);
            }
            J4pClient j4pClient = j4pClientBuilder.build();
            LOGGER.debug("JolokiaBeanMonitor: connected to URLhost: " + strURL);
            // We're connected, so upgrade status to unresponsive
            serviceStatus = PollStatus.unresponsive();
            if (strBannerMatch == null || strBannerMatch.length() == 0 || strBannerMatch.equals("*")) {
                serviceStatus = PollStatus.available(tracker.elapsedTimeInMillis());
                break;
            }
            // Exec a method or poll an attribute?
            String response;
            if (strAttrName != null) {
                J4pReadRequest readReq = new J4pReadRequest(strBeanName, strAttrName);
                readReq.setPreferredHttpMethod("POST");
                if (strAttrPath != null) {
                    readReq.setPath(strAttrPath);
                }
                J4pReadResponse resp = j4pClient.execute(readReq);
                response = resp.getValue().toString();
            } else {
                J4pExecRequest execReq;
                // Default Inputs
                if (strInput1 == null && strInput2 == null) {
                    LOGGER.debug("JolokiaBeanMonitor - execute bean: " + strBeanName + " method: " + strMethodName);
                    execReq = new J4pExecRequest(strBeanName, strMethodName);
                } else if (strInput1 != null && strInput2 == null) {
                    // Single Input
                    LOGGER.debug("JolokiaBeanMonitor - execute bean: " + strBeanName + " method: " + strMethodName + " args: " + strInput1);
                    execReq = new J4pExecRequest(strBeanName, strMethodName, strInput1);
                } else {
                    // Double Input
                    LOGGER.debug("JolokiaBeanMonitor - execute bean: " + strBeanName + " method: " + strMethodName + " args: " + strInput1 + " " + strInput2);
                    execReq = new J4pExecRequest(strBeanName, strMethodName, strInput1, strInput2);
                }
                execReq.setPreferredHttpMethod("POST");
                J4pExecResponse resp = j4pClient.execute(execReq);
                response = resp.getValue().toString();
            }
            double responseTime = tracker.elapsedTimeInMillis();
            if (response == null) {
                continue;
            }
            LOGGER.debug("poll: banner = " + response);
            LOGGER.debug("poll: responseTime = " + responseTime + "ms");
            // Could it be a regex?
            if (strBannerMatch.charAt(0) == '~') {
                if (!response.matches(strBannerMatch.substring(1))) {
                    serviceStatus = PollStatus.unavailable("Banner does not match Regex '" + strBannerMatch + "'");
                } else {
                    serviceStatus = PollStatus.available(responseTime);
                }
            } else {
                if (response.contains(strBannerMatch)) {
                    serviceStatus = PollStatus.available(responseTime);
                } else {
                    serviceStatus = PollStatus.unavailable("Did not find expected Text '" + strBannerMatch + "'");
                }
            }
        } catch (J4pConnectException e) {
            String reason = "Connection exception for address: " + ipAddr + ":" + port + " " + e.getMessage();
            LOGGER.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
            break;
        } catch (J4pRemoteException e) {
            String reason = "Remote exception from J4pRemote: " + e.getMessage();
            LOGGER.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (MalformedObjectNameException e) {
            String reason = "Parameters for Jolokia are malformed: " + e.getMessage();
            LOGGER.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (J4pException e) {
            String reason = J4pException.class.getSimpleName() + " during Jolokia monitor call: " + e.getMessage();
            LOGGER.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        }
    }
    return serviceStatus;
}

Example 73 with PollStatus

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

the class LaTableMonitor method poll.

/**
 * {@inheritDoc}
 *
 * <P>
 * The poll() method is responsible for polling the specified address for
 * SNMP service availability.
 * </P>
 * @exception RuntimeException
 *                Thrown for any uncrecoverable errors.
 */
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    PollStatus status = PollStatus.available();
    InetAddress ipaddr = svc.getAddress();
    ArrayList<String> errorStringReturn = new ArrayList<>();
    // Retrieve this interface's SNMP peer object
    final SnmpAgentConfig agentConfig = getAgentConfig(svc, parameters);
    final String hostAddress = InetAddressUtils.str(ipaddr);
    LOG.debug("poll: setting SNMP peer attribute for interface {}", hostAddress);
    agentConfig.setTimeout(ParameterMap.getKeyedInteger(parameters, "timeout", agentConfig.getTimeout()));
    agentConfig.setRetries(ParameterMap.getKeyedInteger(parameters, "retry", ParameterMap.getKeyedInteger(parameters, "retries", agentConfig.getRetries())));
    agentConfig.setPort(ParameterMap.getKeyedInteger(parameters, "port", agentConfig.getPort()));
    LOG.debug("poll: service= SNMP address= {}", agentConfig);
    try {
        LOG.debug("PrTableMonitor.poll: SnmpAgentConfig address: {}", agentConfig);
        SnmpObjId laTableErrorSnmpObject = SnmpObjId.get(laTableErrorFlag);
        Map<SnmpInstId, SnmpValue> flagResults = SnmpUtils.getOidValues(agentConfig, "LaTableMonitor", laTableErrorSnmpObject);
        if (flagResults.size() == 0) {
            LOG.debug("SNMP poll failed: no results, addr={} oid={}", hostAddress, laTableErrorSnmpObject);
            return PollStatus.unavailable();
        }
        for (Map.Entry<SnmpInstId, SnmpValue> e : flagResults.entrySet()) {
            LOG.debug("poll: SNMPwalk poll succeeded, addr={} oid={} instance={} value={}", hostAddress, laTableErrorSnmpObject, e.getKey(), e.getValue());
            if (e.getValue().toString().equals("1")) {
                LOG.debug("LaTableMonitor.poll: found errorFlag=1");
                SnmpObjId laTableErrorMsgSnmpObject = SnmpObjId.get(laTableErrorMsg + "." + e.getKey().toString());
                String LaErrorMsg = SnmpUtils.get(agentConfig, laTableErrorMsgSnmpObject).toDisplayString();
                // Stash the error in an ArrayList to then enumerate over later
                errorStringReturn.add(LaErrorMsg);
            }
        }
        // Check the arraylist and construct return value
        if (errorStringReturn.size() > 0) {
            return PollStatus.unavailable(errorStringReturn.toString());
        } else {
            return status;
        }
    } catch (NumberFormatException e) {
        String reason1 = "Number operator used on a non-number " + e.getMessage();
        LOG.error(reason1, e);
        return PollStatus.unavailable(reason1);
    } catch (IllegalArgumentException e) {
        String reason1 = "Invalid SNMP Criteria: " + e.getMessage();
        LOG.error(reason1, e);
        return PollStatus.unavailable(reason1);
    } catch (Throwable t) {
        String reason1 = "Unexpected exception during SNMP poll of interface " + hostAddress;
        LOG.warn(reason1);
        return PollStatus.unavailable(reason1);
    }
}

Example 74 with PollStatus

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

the class MailTransportMonitor method poll.

/**
 * {@inheritDoc}
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    PollStatus status = null;
    try {
        final MailTransportParameters mailParms = MailTransportParameters.get(parameters);
        try {
            if ("${ipaddr}".equals(mailParms.getReadTestHost())) {
                mailParms.setReadTestHost(svc.getIpAddr());
            }
        } catch (final IllegalStateException ise) {
        // just ignore, don't have to have a both a read and send test configured
        }
        try {
            if ("${ipaddr}".equals(mailParms.getSendTestHost())) {
                mailParms.setSendTestHost(svc.getIpAddr());
            }
        } catch (final IllegalStateException ise) {
        // just ignore, don't have to have a both a read and send test configured
        }
        parseJavaMailProperties(mailParms);
        status = doMailTest(mailParms);
    } catch (final IllegalStateException ise) {
    // ignore this because we don't have to have both a send and read
    } catch (final Throwable e) {
        LOG.error("An error occurred while polling.", e);
        status = PollStatus.down("Exception from mailer: " + e.getLocalizedMessage());
    }
    return status;
}

Example 75 with PollStatus

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

the class MailTransportMonitor method processMailSubject.

/**
 * After a mailbox has been opened, search through the retrieved messages
 * for a matching subject.
 *
 * @param mailParms
 * @param mailFolder
 * @return a PollStatus indicative of the success of matching a subject or just retieving
 *         mail folder contents... dependent on configuration.
 */
private PollStatus processMailSubject(final MailTransportParameters mailParms, final Folder mailFolder) {
    PollStatus status = PollStatus.unknown();
    try {
        final String subject = computeMatchingSubject(mailParms);
        if (mailFolder.isOpen() && subject != null) {
            final Message[] mailMessages = mailFolder.getMessages();
            final SearchTerm searchTerm = new SubjectTerm(subject);
            final SearchTerm deleteTerm = new HeaderTerm(MTM_HEADER_KEY, m_headerValue);
            LOG.debug("searchMailSubject: searching {} message(s) for subject '{}'", mailMessages.length, subject);
            boolean delete = false;
            boolean found = false;
            for (int i = 1; i <= mailMessages.length; i++) {
                final Message mailMessage = mailFolder.getMessage(i);
                LOG.debug("searchMailSubject: retrieved message subject '{}'", mailMessage.getSubject());
                if (mailMessage.match(searchTerm)) {
                    found = true;
                    LOG.debug("searchMailSubject: message with subject '{}' found.", subject);
                    if (mailParms.isEnd2EndTestInProgress()) {
                        if (!delete)
                            LOG.debug("searchMailSubject: flagging message with subject '{}' for deletion for end2end test.", subject);
                        delete = true;
                    }
                }
                final boolean deleteAllMail = mailParms.getReadTest().getDeleteAllMail();
                final boolean foundMTMHeader = mailMessage.match(deleteTerm);
                LOG.debug("searchMailSubject: deleteAllMail = {}, MTM header found = {}", Boolean.toString(deleteAllMail), Boolean.toString(foundMTMHeader));
                if (deleteAllMail) {
                    if (!delete)
                        LOG.debug("searchMailSubject: flagging message with subject '{}' for deletion because deleteAllMail is set.", subject);
                    delete = true;
                } else if (foundMTMHeader) {
                    if (!delete)
                        LOG.debug("searchMailSubject: flagging message with subject '{}' for deletion because we sent it (found header {}={})", subject, MTM_HEADER_KEY, m_headerValue);
                    delete = true;
                }
                if (delete) {
                    mailMessage.setFlag(Flag.DELETED, true);
                }
            // since we want to delete old messages matchin MTM_HEADER_KEY, we can't break early
            // if (found) break;
            }
            if (!found) {
                LOG.debug("searchMailSubject: message with subject: '{}' NOT found.", subject);
                status = PollStatus.down("searchMailSubject: matching test message: '" + subject + "', not found.");
            } else {
                status = PollStatus.available();
            }
        }
    } catch (final MessagingException e) {
        return PollStatus.down(e.getLocalizedMessage());
    }
    return status;
}