Examples with TimeoutTracker org.opennms.core.utils.TimeoutTracker used on opensource projects

Example 31 with TimeoutTracker

use of org.opennms.core.utils.TimeoutTracker in project opennms by OpenNMS.

the class TrivialTimeMonitor method poll.

/**
 * {@inheritDoc}
 *
 * Poll the specified address for service availability.
 *
 * During the poll an attempt is made to retrieve the time value from the
 * remote system.  This can be done via either TCP or UDP depending on the
 * provided parameters (default TCP).  If the time value returned is within
 * the specified number of seconds of the local system's clock time, then
 * the service is considered available.
 */
@Override
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, "port", DEFAULT_PORT);
    // Get the address instance.
    // 
    InetAddress ipAddr = svc.getAddress();
    LOG.debug("poll: address = {}, port = {}, tracker = {}", InetAddressUtils.str(ipAddr), port, tracker);
    // Get the permissible amount of skew.
    // 
    int allowedSkew = ParameterMap.getKeyedInteger(parameters, "allowed-skew", DEFAULT_ALLOWED_SKEW);
    // Determine whether to persist the skew value in addition to the latency
    boolean persistSkew = ParameterMap.getKeyedBoolean(parameters, "persist-skew", DEFAULT_PERSIST_SKEW);
    // Give it a whirl
    // 
    PollStatus serviceStatus = PollStatus.unavailable();
    String protocol = ParameterMap.getKeyedString(parameters, "protocol", DEFAULT_PROTOCOL).toLowerCase();
    if (!protocol.equalsIgnoreCase("tcp") && !protocol.equalsIgnoreCase("udp")) {
        throw new IllegalArgumentException("Unsupported protocol, only TCP and UDP currently supported");
    } else if (protocol.equalsIgnoreCase("udp")) {
        // TODO test UDP support
        LOG.warn("UDP support is largely untested");
    }
    if (protocol.equalsIgnoreCase("tcp")) {
        serviceStatus = pollTimeTcp(svc, parameters, serviceStatus, tracker, ipAddr, port, allowedSkew, persistSkew);
    } else if (protocol.equalsIgnoreCase("udp")) {
        serviceStatus = pollTimeUdp(svc, parameters, serviceStatus, tracker, ipAddr, port, allowedSkew, persistSkew);
    }
    // 
    return serviceStatus;
}

Example 32 with TimeoutTracker

use of org.opennms.core.utils.TimeoutTracker in project opennms by OpenNMS.

the class TimeoutTrackerTest method testElapsedTimeButNoStartAttempt.

public void testElapsedTimeButNoStartAttempt() {
    Map<String, ?> emptyMap = Collections.emptyMap();
    TimeoutTracker tracker = new TimeoutTracker(emptyMap, 0, 3000);
    try {
        tracker.elapsedTimeInMillis();
        fail("expected an exception since no startAttempt is called");
    } catch (IllegalStateException e) {
    // w00t..
    }
}

Example 33 with TimeoutTracker

use of org.opennms.core.utils.TimeoutTracker in project opennms by OpenNMS.

the class VmwareCimMonitor method poll.

/**
 * This method queries the Vmware hypervisor for sensor data.
 *
 * @param svc        the monitored service
 * @param parameters the parameter map
 * @return the poll status for this system
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    final boolean ignoreStandBy = getKeyedBoolean(parameters, "ignoreStandBy", false);
    final String vmwareManagementServer = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_KEY, null);
    final String vmwareManagedObjectId = getKeyedString(parameters, VMWARE_MANAGED_OBJECT_ID_KEY, null);
    final String vmwareMangementServerUsername = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_USERNAME_KEY, null);
    final String vmwareMangementServerPassword = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_PASSWORD_KEY, null);
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    PollStatus serviceStatus = PollStatus.unknown();
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        final VmwareViJavaAccess vmwareViJavaAccess = new VmwareViJavaAccess(vmwareManagementServer, vmwareMangementServerUsername, vmwareMangementServerPassword);
        try {
            vmwareViJavaAccess.connect();
        } catch (MalformedURLException e) {
            logger.warn("Error connecting VMware management server '{}': '{}' exception: {} cause: '{}'", vmwareManagementServer, e.getMessage(), e.getClass().getName(), e.getCause());
            return PollStatus.unavailable("Error connecting VMware management server '" + vmwareManagementServer + "'");
        } catch (RemoteException e) {
            logger.warn("Error connecting VMware management server '{}': '{}' exception: {} cause: '{}'", vmwareManagementServer, e.getMessage(), e.getClass().getName(), e.getCause());
            return PollStatus.unavailable("Error connecting VMware management server '" + vmwareManagementServer + "'");
        }
        if (!vmwareViJavaAccess.setTimeout(tracker.getConnectionTimeout())) {
            logger.warn("Error setting connection timeout for VMware management server '{}'", vmwareManagementServer);
        }
        HostSystem hostSystem = vmwareViJavaAccess.getHostSystemByManagedObjectId(vmwareManagedObjectId);
        String powerState = null;
        if (hostSystem == null) {
            return PollStatus.unknown("hostSystem=null");
        } else {
            HostRuntimeInfo hostRuntimeInfo = hostSystem.getRuntime();
            if (hostRuntimeInfo == null) {
                return PollStatus.unknown("hostRuntimeInfo=null");
            } else {
                HostSystemPowerState hostSystemPowerState = hostRuntimeInfo.getPowerState();
                if (hostSystemPowerState == null) {
                    return PollStatus.unknown("hostSystemPowerState=null");
                } else {
                    powerState = hostSystemPowerState.toString();
                }
            }
        }
        if ("poweredOn".equals(powerState)) {
            List<CIMObject> cimObjects = null;
            try {
                cimObjects = vmwareViJavaAccess.queryCimObjects(hostSystem, "CIM_NumericSensor", svc.getIpAddr());
            } catch (Exception e) {
                logger.warn("Error retrieving CIM values from host system '{}'", vmwareManagedObjectId, e.getMessage());
                vmwareViJavaAccess.disconnect();
                return PollStatus.unavailable("Error retrieving cim values from host system '" + vmwareManagedObjectId + "'");
            }
            boolean success = true;
            final StringBuilder reason = new StringBuilder("VMware CIM query returned: ");
            for (CIMObject cimObject : cimObjects) {
                String healthState = vmwareViJavaAccess.getPropertyOfCimObject(cimObject, "HealthState");
                String cimObjectName = vmwareViJavaAccess.getPropertyOfCimObject(cimObject, "Name");
                if (healthState != null) {
                    int healthStateInt = Integer.valueOf(healthState).intValue();
                    if (healthStateInt != 5) {
                        if (!success) {
                            reason.append(", ");
                        }
                        success = false;
                        reason.append(cimObjectName + " ");
                        if (m_healthStates.containsKey(healthStateInt)) {
                            reason.append("(" + m_healthStates.get(healthStateInt) + ")");
                        } else {
                            reason.append("(" + healthStateInt + ")");
                        }
                    }
                }
            }
            if (success) {
                serviceStatus = PollStatus.available();
            } else {
                serviceStatus = PollStatus.unavailable(reason.toString());
            }
        } else {
            if (ignoreStandBy && "standBy".equals(powerState)) {
                serviceStatus = PollStatus.up();
            } else {
                serviceStatus = PollStatus.unresponsive("Host system's power state is '" + powerState + "'");
            }
        }
        vmwareViJavaAccess.disconnect();
    }
    return serviceStatus;
}

Example 34 with TimeoutTracker

use of org.opennms.core.utils.TimeoutTracker in project opennms by OpenNMS.

the class VmwareMonitor method poll.

/**
 * This method queries the Vmware vCenter server for sensor data.
 *
 * @param svc        the monitored service
 * @param parameters the parameter map
 * @return the poll status for this system
 */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    final boolean ignoreStandBy = getKeyedBoolean(parameters, "ignoreStandBy", false);
    final String vmwareManagementServer = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_KEY, null);
    final String vmwareManagedEntityType = getKeyedString(parameters, VMWARE_MANAGED_ENTITY_TYPE_KEY, null);
    final String vmwareManagedObjectId = getKeyedString(parameters, VMWARE_MANAGED_OBJECT_ID_KEY, null);
    final String vmwareMangementServerUsername = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_USERNAME_KEY, null);
    final String vmwareMangementServerPassword = getKeyedString(parameters, VMWARE_MANAGEMENT_SERVER_PASSWORD_KEY, null);
    final TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    PollStatus serviceStatus = PollStatus.unknown();
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        final VmwareViJavaAccess vmwareViJavaAccess = new VmwareViJavaAccess(vmwareManagementServer, vmwareMangementServerUsername, vmwareMangementServerPassword);
        try {
            vmwareViJavaAccess.connect();
        } catch (MalformedURLException e) {
            logger.warn("Error connecting VMware management server '{}': '{}' exception: {} cause: '{}'", vmwareManagementServer, e.getMessage(), e.getClass().getName(), e.getCause());
            return PollStatus.unavailable("Error connecting VMware management server '" + vmwareManagementServer + "'");
        } catch (RemoteException e) {
            logger.warn("Error connecting VMware management server '{}': '{}' exception: {} cause: '{}'", vmwareManagementServer, e.getMessage(), e.getClass().getName(), e.getCause());
            return PollStatus.unavailable("Error connecting VMware management server '" + vmwareManagementServer + "'");
        }
        if (!vmwareViJavaAccess.setTimeout(tracker.getConnectionTimeout())) {
            logger.warn("Error setting connection timeout for VMware management server '{}'", vmwareManagementServer);
        }
        String powerState = "unknown";
        if ("HostSystem".equals(vmwareManagedEntityType)) {
            HostSystem hostSystem = vmwareViJavaAccess.getHostSystemByManagedObjectId(vmwareManagedObjectId);
            if (hostSystem == null) {
                return PollStatus.unknown("hostSystem=null");
            } else {
                HostRuntimeInfo hostRuntimeInfo = hostSystem.getRuntime();
                if (hostRuntimeInfo == null) {
                    return PollStatus.unknown("hostRuntimeInfo=null");
                } else {
                    HostSystemPowerState hostSystemPowerState = hostRuntimeInfo.getPowerState();
                    if (hostSystemPowerState == null) {
                        return PollStatus.unknown("hostSystemPowerState=null");
                    } else {
                        powerState = hostSystemPowerState.toString();
                    }
                }
            }
        } else {
            if ("VirtualMachine".equals(vmwareManagedEntityType)) {
                VirtualMachine virtualMachine = vmwareViJavaAccess.getVirtualMachineByManagedObjectId(vmwareManagedObjectId);
                if (virtualMachine == null) {
                    return PollStatus.unknown("virtualMachine=null");
                } else {
                    VirtualMachineRuntimeInfo virtualMachineRuntimeInfo = virtualMachine.getRuntime();
                    if (virtualMachineRuntimeInfo == null) {
                        return PollStatus.unknown("virtualMachineRuntimeInfo=null");
                    } else {
                        VirtualMachinePowerState virtualMachinePowerState = virtualMachineRuntimeInfo.getPowerState();
                        if (virtualMachinePowerState == null) {
                            return PollStatus.unknown("virtualMachinePowerState=null");
                        } else {
                            powerState = virtualMachinePowerState.toString();
                        }
                    }
                }
            } else {
                logger.warn("Error getting '{}' for '{}'", vmwareManagedEntityType, vmwareManagedObjectId);
                vmwareViJavaAccess.disconnect();
                return serviceStatus;
            }
        }
        if ("poweredOn".equals(powerState)) {
            serviceStatus = PollStatus.available();
        } else {
            if (ignoreStandBy && "standBy".equals(powerState)) {
                serviceStatus = PollStatus.up();
            } else {
                serviceStatus = PollStatus.unavailable("The system's state is '" + powerState + "'");
            }
        }
        vmwareViJavaAccess.disconnect();
    }
    return serviceStatus;
}

Example 35 with TimeoutTracker

use of org.opennms.core.utils.TimeoutTracker in project opennms by OpenNMS.

the class AsteriskSIPPeerMonitor method poll.

/**
 * {@inheritDoc}
 *
 * <P>
 * Run the service monitor and return the poll status
 * </P>
 */
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    // read configuration parameters
    String sipPeer = ParameterMap.getKeyedString(parameters, "sip-peer", DEFAULT_SIPPEER);
    if (sipPeer.equals(DEFAULT_SIPPEER)) {
        LOG.error("AsteriskMonitor: No sip-peer parameter in poller configuration");
        throw new RuntimeException("AsteriskMonitor: required parameter 'sip-peer' is not present in supplied properties.");
    }
    TimeoutTracker timeoutTracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    AmiPeerFactory amiPeerFactory = AmiPeerFactory.getInstance();
    AmiAgentConfig amiConfig = amiPeerFactory.getAgentConfig(svc.getAddress());
    // setting up AMI connection
    LOG.debug("{}: Creating new AMI-Connection: {}:{}, {}/{}", svc.getSvcName(), svc.getIpAddr(), amiConfig.getPort(), amiConfig.getUsername(), amiConfig.getPassword());
    ManagerConnectionFactory factory = new ManagerConnectionFactory(svc.getIpAddr(), amiConfig.getPort().orElse(null), amiConfig.getUsername().orElse(null), amiConfig.getPassword().orElse(null));
    ManagerConnection managerConnection;
    if (amiConfig.getUseTls().orElse(false)) {
        managerConnection = factory.createSecureManagerConnection();
    } else {
        managerConnection = factory.createManagerConnection();
    }
    managerConnection.setSocketTimeout(new Long(timeoutTracker.getTimeoutInMillis()).intValue());
    // start with polling
    while (timeoutTracker.shouldRetry()) {
        timeoutTracker.nextAttempt();
        LOG.debug("{}: Attempt {}", svc.getSvcName(), timeoutTracker.getAttempt());
        try {
            LOG.debug("{}: AMI login", svc.getSvcName());
            managerConnection.login();
            LOG.debug("{}: AMI sendAction SipShowPeer", svc.getSvcName());
            ManagerResponse response = managerConnection.sendAction(new SipShowPeerAction(sipPeer));
            if (response.getAttribute("Status") == null) {
                LOG.debug("{}: service status down", svc.getSvcName());
                return PollStatus.decode("Down", "State of SIP Peer is unknown, because it was not found on the Asterisk server");
            }
            LOG.debug("{}: Response: {}", svc.getSvcName(), response.getAttribute("Status"));
            LOG.debug("{}: AMI logoff", svc.getSvcName());
            managerConnection.logoff();
            if (response.getAttribute("Status").startsWith("OK")) {
                LOG.debug("{}: service status up", svc.getSvcName());
                return PollStatus.decode("Up", "OK");
            } else {
                LOG.debug("{}: service status down", svc.getSvcName());
                return PollStatus.decode("Down", "State of SIP Peer is " + response.getAttribute("Status") + " and not OK");
            }
        } catch (AuthenticationFailedException e) {
            LOG.debug("{}: AMI AuthenticationError.", svc.getSvcName(), e);
            return PollStatus.decode("Down", "Could not get the state of SIP Peer: AMI AuthenticationError");
        } catch (TimeoutException e) {
            LOG.debug("{}: TimeOut reached.", svc.getSvcName(), e);
        } catch (SocketTimeoutException e) {
            LOG.debug("{}: TimeOut reached.", svc.getSvcName(), e);
        } catch (Exception e) {
            LOG.error("{}: An Unknown Exception Occurred.", svc.getSvcName(), e);
            return PollStatus.decode("Down", "Could not get the state of SIP Peer: " + e.toString());
        }
    }
    // If none of the retries worked
    return PollStatus.decode("Down", "Could not get the state of SIP Peer: Timeout exceeded");
}