// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package com.cloud.alert;
import java.io.UnsupportedEncodingException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Timer;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.ejb.Local;
import javax.inject.Inject;
import javax.mail.Authenticator;
import javax.mail.Message.RecipientType;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.SendFailedException;
import javax.mail.Session;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.sun.mail.smtp.SMTPMessage;
import com.sun.mail.smtp.SMTPSSLTransport;
import com.sun.mail.smtp.SMTPTransport;
import org.apache.cloudstack.framework.config.ConfigDepot;
import org.apache.cloudstack.framework.config.ConfigKey;
import org.apache.cloudstack.framework.config.Configurable;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.managed.context.ManagedContextTimerTask;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import com.cloud.alert.dao.AlertDao;
import com.cloud.api.ApiDBUtils;
import com.cloud.capacity.Capacity;
import com.cloud.capacity.CapacityManager;
import com.cloud.capacity.CapacityState;
import com.cloud.capacity.CapacityVO;
import com.cloud.capacity.dao.CapacityDao;
import com.cloud.capacity.dao.CapacityDaoImpl.SummedCapacity;
import com.cloud.configuration.Config;
import com.cloud.configuration.ConfigurationManager;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.HostPodVO;
import com.cloud.dc.Vlan.VlanType;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.DataCenterIpAddressDao;
import com.cloud.dc.dao.HostPodDao;
import com.cloud.event.ActionEvent;
import com.cloud.event.AlertGenerator;
import com.cloud.event.EventTypes;
import com.cloud.host.Host;
import com.cloud.host.HostVO;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.org.Grouping.AllocationState;
import com.cloud.resource.ResourceManager;
import com.cloud.storage.StorageManager;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.concurrency.NamedThreadFactory;
import com.cloud.utils.db.SearchCriteria;
@Local(value = {AlertManager.class})
public class AlertManagerImpl extends ManagerBase implements AlertManager, Configurable {
private static final Logger s_logger = Logger.getLogger(AlertManagerImpl.class.getName());
private static final Logger s_alertsLogger = Logger.getLogger("org.apache.cloudstack.alerts");
private static final long INITIAL_CAPACITY_CHECK_DELAY = 30L * 1000L; // thirty seconds expressed in milliseconds
private static final DecimalFormat DfPct = new DecimalFormat("###.##");
private static final DecimalFormat DfWhole = new DecimalFormat("########");
private EmailAlert _emailAlert;
@Inject
private AlertDao _alertDao;
@Inject
protected StorageManager _storageMgr;
@Inject
protected CapacityManager _capacityMgr;
@Inject
private CapacityDao _capacityDao;
@Inject
private DataCenterDao _dcDao;
@Inject
private HostPodDao _podDao;
@Inject
private ClusterDao _clusterDao;
@Inject
private IPAddressDao _publicIPAddressDao;
@Inject
private DataCenterIpAddressDao _privateIPAddressDao;
@Inject
private PrimaryDataStoreDao _storagePoolDao;
@Inject
private ConfigurationDao _configDao;
@Inject
private ResourceManager _resourceMgr;
@Inject
private ConfigurationManager _configMgr;
@Inject
protected ConfigDepot _configDepot;
private Timer _timer = null;
private long _capacityCheckPeriod = 60L * 60L * 1000L; // one hour by default
private double _publicIPCapacityThreshold = 0.75;
private double _privateIPCapacityThreshold = 0.75;
private double _secondaryStorageCapacityThreshold = 0.75;
private double _vlanCapacityThreshold = 0.75;
private double _directNetworkPublicIpCapacityThreshold = 0.75;
private double _localStorageCapacityThreshold = 0.75;
Map<Short, Double> _capacityTypeThresholdMap = new HashMap<Short, Double>();
private final ExecutorService _executor;
public AlertManagerImpl() {
_executor = Executors.newCachedThreadPool(new NamedThreadFactory("Email-Alerts-Sender"));
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
Map<String, String> configs = _configDao.getConfiguration("management-server", params);
// set up the email system for alerts
String emailAddressList = configs.get("alert.email.addresses");
String[] emailAddresses = null;
if (emailAddressList != null) {
emailAddresses = emailAddressList.split(",");
}
String smtpHost = configs.get("alert.smtp.host");
int smtpPort = NumbersUtil.parseInt(configs.get("alert.smtp.port"), 25);
String useAuthStr = configs.get("alert.smtp.useAuth");
boolean useAuth = ((useAuthStr == null) ? false : Boolean.parseBoolean(useAuthStr));
String smtpUsername = configs.get("alert.smtp.username");
String smtpPassword = configs.get("alert.smtp.password");
String emailSender = configs.get("alert.email.sender");
String smtpDebugStr = configs.get("alert.smtp.debug");
int smtpTimeout = NumbersUtil.parseInt(configs.get("alert.smtp.timeout"), 30000);
int smtpConnectionTimeout = NumbersUtil.parseInt(configs.get("alert.smtp.connectiontimeout"), 30000);
boolean smtpDebug = false;
if (smtpDebugStr != null) {
smtpDebug = Boolean.parseBoolean(smtpDebugStr);
}
_emailAlert = new EmailAlert(emailAddresses, smtpHost, smtpPort, smtpConnectionTimeout, smtpTimeout, useAuth, smtpUsername, smtpPassword, emailSender, smtpDebug);
String publicIPCapacityThreshold = _configDao.getValue(Config.PublicIpCapacityThreshold.key());
String privateIPCapacityThreshold = _configDao.getValue(Config.PrivateIpCapacityThreshold.key());
String secondaryStorageCapacityThreshold = _configDao.getValue(Config.SecondaryStorageCapacityThreshold.key());
String vlanCapacityThreshold = _configDao.getValue(Config.VlanCapacityThreshold.key());
String directNetworkPublicIpCapacityThreshold = _configDao.getValue(Config.DirectNetworkPublicIpCapacityThreshold.key());
String localStorageCapacityThreshold = _configDao.getValue(Config.LocalStorageCapacityThreshold.key());
if (publicIPCapacityThreshold != null) {
_publicIPCapacityThreshold = Double.parseDouble(publicIPCapacityThreshold);
}
if (privateIPCapacityThreshold != null) {
_privateIPCapacityThreshold = Double.parseDouble(privateIPCapacityThreshold);
}
if (secondaryStorageCapacityThreshold != null) {
_secondaryStorageCapacityThreshold = Double.parseDouble(secondaryStorageCapacityThreshold);
}
if (vlanCapacityThreshold != null) {
_vlanCapacityThreshold = Double.parseDouble(vlanCapacityThreshold);
}
if (directNetworkPublicIpCapacityThreshold != null) {
_directNetworkPublicIpCapacityThreshold = Double.parseDouble(directNetworkPublicIpCapacityThreshold);
}
if (localStorageCapacityThreshold != null) {
_localStorageCapacityThreshold = Double.parseDouble(localStorageCapacityThreshold);
}
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP, _publicIPCapacityThreshold);
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_PRIVATE_IP, _privateIPCapacityThreshold);
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_SECONDARY_STORAGE, _secondaryStorageCapacityThreshold);
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_VLAN, _vlanCapacityThreshold);
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP, _directNetworkPublicIpCapacityThreshold);
_capacityTypeThresholdMap.put(Capacity.CAPACITY_TYPE_LOCAL_STORAGE, _localStorageCapacityThreshold);
String capacityCheckPeriodStr = configs.get("capacity.check.period");
if (capacityCheckPeriodStr != null) {
_capacityCheckPeriod = Long.parseLong(capacityCheckPeriodStr);
if (_capacityCheckPeriod <= 0)
_capacityCheckPeriod = Long.parseLong(Config.CapacityCheckPeriod.getDefaultValue());
}
_timer = new Timer("CapacityChecker");
return true;
}
@Override
public boolean start() {
_timer.schedule(new CapacityChecker(), INITIAL_CAPACITY_CHECK_DELAY, _capacityCheckPeriod);
return true;
}
@Override
public boolean stop() {
_timer.cancel();
return true;
}
@Override
public void clearAlert(AlertType alertType, long dataCenterId, long podId) {
try {
if (_emailAlert != null) {
_emailAlert.clearAlert(alertType.getType(), dataCenterId, podId);
}
} catch (Exception ex) {
s_logger.error("Problem clearing email alert", ex);
}
}
@Override
public void sendAlert(AlertType alertType, long dataCenterId, Long podId, String subject, String body) {
// publish alert
AlertGenerator.publishAlertOnEventBus(alertType.getName(), dataCenterId, podId, subject, body);
// TODO: queue up these messages and send them as one set of issues once a certain number of issues is reached? If that's the case,
// shouldn't we have a type/severity as part of the API so that severe errors get sent right away?
try {
if (_emailAlert != null) {
_emailAlert.sendAlert(alertType, dataCenterId, podId, null, subject, body);
} else {
s_alertsLogger.warn(" alertType:: " + alertType + " // dataCenterId:: " + dataCenterId + " // podId:: " + podId + " // clusterId:: " + null +
" // message:: " + subject);
}
} catch (Exception ex) {
s_logger.error("Problem sending email alert", ex);
}
}
@Override
public void recalculateCapacity() {
// FIXME: the right way to do this is to register a listener (see RouterStatsListener, VMSyncListener)
// for the vm sync state. The listener model has connects/disconnects to keep things in sync much better
// than this model right now, so when a VM is started, we update the amount allocated, and when a VM
// is stopped we updated the amount allocated, and when VM sync reports a changed state, we update
// the amount allocated. Hopefully it's limited to 3 entry points and will keep the amount allocated
// per host accurate.
try {
if (s_logger.isDebugEnabled()) {
s_logger.debug("recalculating system capacity");
s_logger.debug("Executing cpu/ram capacity update");
}
// Calculate CPU and RAM capacities
// get all hosts...even if they are not in 'UP' state
List<HostVO> hosts = _resourceMgr.listAllNotInMaintenanceHostsInOneZone(Host.Type.Routing, null);
for (HostVO host : hosts) {
_capacityMgr.updateCapacityForHost(host);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing cpu/ram capacity update");
s_logger.debug("Executing storage capacity update");
}
// Calculate storage pool capacity
List<StoragePoolVO> storagePools = _storagePoolDao.listAll();
for (StoragePoolVO pool : storagePools) {
long disk = _capacityMgr.getAllocatedPoolCapacity(pool, null);
if (pool.isShared()) {
_storageMgr.createCapacityEntry(pool, Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED, disk);
} else {
_storageMgr.createCapacityEntry(pool, Capacity.CAPACITY_TYPE_LOCAL_STORAGE, disk);
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing storage capacity update");
s_logger.debug("Executing capacity updates for public ip and Vlans");
}
List<DataCenterVO> datacenters = _dcDao.listAll();
for (DataCenterVO datacenter : datacenters) {
long dcId = datacenter.getId();
//NOTE
//What happens if we have multiple vlans? Dashboard currently shows stats
//with no filter based on a vlan
//ideal way would be to remove out the vlan param, and filter only on dcId
//implementing the same
// Calculate new Public IP capacity for Virtual Network
if (datacenter.getNetworkType() == NetworkType.Advanced) {
createOrUpdateIpCapacity(dcId, null, Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP, datacenter.getAllocationState());
}
// Calculate new Public IP capacity for Direct Attached Network
createOrUpdateIpCapacity(dcId, null, Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP, datacenter.getAllocationState());
if (datacenter.getNetworkType() == NetworkType.Advanced) {
//Calculate VLAN's capacity
createOrUpdateVlanCapacity(dcId, datacenter.getAllocationState());
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done capacity updates for public ip and Vlans");
s_logger.debug("Executing capacity updates for private ip");
}
// Calculate new Private IP capacity
List<HostPodVO> pods = _podDao.listAll();
for (HostPodVO pod : pods) {
long podId = pod.getId();
long dcId = pod.getDataCenterId();
createOrUpdateIpCapacity(dcId, podId, Capacity.CAPACITY_TYPE_PRIVATE_IP, _configMgr.findPodAllocationState(pod));
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing capacity updates for private ip");
s_logger.debug("Done recalculating system capacity");
}
} catch (Throwable t) {
s_logger.error("Caught exception in recalculating capacity", t);
}
}
private void createOrUpdateVlanCapacity(long dcId, AllocationState capacityState) {
SearchCriteria<CapacityVO> capacitySC = _capacityDao.createSearchCriteria();
List<CapacityVO> capacities = _capacityDao.search(capacitySC, null);
capacitySC = _capacityDao.createSearchCriteria();
capacitySC.addAnd("dataCenterId", SearchCriteria.Op.EQ, dcId);
capacitySC.addAnd("capacityType", SearchCriteria.Op.EQ, Capacity.CAPACITY_TYPE_VLAN);
capacities = _capacityDao.search(capacitySC, null);
int totalVlans = _dcDao.countZoneVlans(dcId, false);
int allocatedVlans = _dcDao.countZoneVlans(dcId, true);
if (capacities.size() == 0) {
CapacityVO newVlanCapacity = new CapacityVO(null, dcId, null, null, allocatedVlans, totalVlans, Capacity.CAPACITY_TYPE_VLAN);
if (capacityState == AllocationState.Disabled) {
newVlanCapacity.setCapacityState(CapacityState.Disabled);
}
_capacityDao.persist(newVlanCapacity);
} else if (!(capacities.get(0).getUsedCapacity() == allocatedVlans && capacities.get(0).getTotalCapacity() == totalVlans)) {
CapacityVO capacity = capacities.get(0);
capacity.setUsedCapacity(allocatedVlans);
capacity.setTotalCapacity(totalVlans);
_capacityDao.update(capacity.getId(), capacity);
}
}
public void createOrUpdateIpCapacity(Long dcId, Long podId, short capacityType, AllocationState capacityState) {
SearchCriteria<CapacityVO> capacitySC = _capacityDao.createSearchCriteria();
List<CapacityVO> capacities = _capacityDao.search(capacitySC, null);
capacitySC = _capacityDao.createSearchCriteria();
capacitySC.addAnd("podId", SearchCriteria.Op.EQ, podId);
capacitySC.addAnd("dataCenterId", SearchCriteria.Op.EQ, dcId);
capacitySC.addAnd("capacityType", SearchCriteria.Op.EQ, capacityType);
int totalIPs;
int allocatedIPs;
capacities = _capacityDao.search(capacitySC, null);
if (capacityType == Capacity.CAPACITY_TYPE_PRIVATE_IP) {
totalIPs = _privateIPAddressDao.countIPs(podId, dcId, false);
allocatedIPs = _privateIPAddressDao.countIPs(podId, dcId, true);
} else if (capacityType == Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP) {
totalIPs = _publicIPAddressDao.countIPsForNetwork(dcId, false, VlanType.VirtualNetwork);
allocatedIPs = _publicIPAddressDao.countIPsForNetwork(dcId, true, VlanType.VirtualNetwork);
} else {
totalIPs = _publicIPAddressDao.countIPsForNetwork(dcId, false, VlanType.DirectAttached);
allocatedIPs = _publicIPAddressDao.countIPsForNetwork(dcId, true, VlanType.DirectAttached);
}
if (capacities.size() == 0) {
CapacityVO newPublicIPCapacity = new CapacityVO(null, dcId, podId, null, allocatedIPs, totalIPs, capacityType);
if (capacityState == AllocationState.Disabled) {
newPublicIPCapacity.setCapacityState(CapacityState.Disabled);
}
_capacityDao.persist(newPublicIPCapacity);
} else if (!(capacities.get(0).getUsedCapacity() == allocatedIPs && capacities.get(0).getTotalCapacity() == totalIPs)) {
CapacityVO capacity = capacities.get(0);
capacity.setUsedCapacity(allocatedIPs);
capacity.setTotalCapacity(totalIPs);
_capacityDao.update(capacity.getId(), capacity);
}
}
class CapacityChecker extends ManagedContextTimerTask {
@Override
protected void runInContext() {
try {
s_logger.debug("Running Capacity Checker ... ");
checkForAlerts();
s_logger.debug("Done running Capacity Checker ... ");
} catch (Throwable t) {
s_logger.error("Exception in CapacityChecker", t);
}
}
}
public void checkForAlerts() {
recalculateCapacity();
// abort if we can't possibly send an alert...
if (_emailAlert == null) {
return;
}
//Get all datacenters, pods and clusters in the system.
List<DataCenterVO> dataCenterList = _dcDao.listAll();
List<ClusterVO> clusterList = _clusterDao.listAll();
List<HostPodVO> podList = _podDao.listAll();
//Get capacity types at different levels
List<Short> dataCenterCapacityTypes = getCapacityTypesAtZoneLevel();
List<Short> podCapacityTypes = getCapacityTypesAtPodLevel();
List<Short> clusterCapacityTypes = getCapacityTypesAtClusterLevel();
// Generate Alerts for Zone Level capacities
for (DataCenterVO dc : dataCenterList) {
for (Short capacityType : dataCenterCapacityTypes) {
List<SummedCapacity> capacity = new ArrayList<SummedCapacity>();
capacity = _capacityDao.findCapacityBy(capacityType.intValue(), dc.getId(), null, null);
if (capacityType == Capacity.CAPACITY_TYPE_SECONDARY_STORAGE) {
capacity.add(getUsedStats(capacityType, dc.getId(), null, null));
}
if (capacity == null || capacity.size() == 0) {
continue;
}
double totalCapacity = capacity.get(0).getTotalCapacity();
double usedCapacity = capacity.get(0).getUsedCapacity();
if (totalCapacity != 0 && usedCapacity / totalCapacity > _capacityTypeThresholdMap.get(capacityType)) {
generateEmailAlert(dc, null, null, totalCapacity, usedCapacity, capacityType);
}
}
}
// Generate Alerts for Pod Level capacities
for (HostPodVO pod : podList) {
for (Short capacityType : podCapacityTypes) {
List<SummedCapacity> capacity = _capacityDao.findCapacityBy(capacityType.intValue(), pod.getDataCenterId(), pod.getId(), null);
if (capacity == null || capacity.size() == 0) {
continue;
}
double totalCapacity = capacity.get(0).getTotalCapacity();
double usedCapacity = capacity.get(0).getUsedCapacity();
if (totalCapacity != 0 && usedCapacity / totalCapacity > _capacityTypeThresholdMap.get(capacityType)) {
generateEmailAlert(ApiDBUtils.findZoneById(pod.getDataCenterId()), pod, null, totalCapacity, usedCapacity, capacityType);
}
}
}
// Generate Alerts for Cluster Level capacities
for (ClusterVO cluster : clusterList) {
for (Short capacityType : clusterCapacityTypes) {
List<SummedCapacity> capacity = new ArrayList<SummedCapacity>();
capacity = _capacityDao.findCapacityBy(capacityType.intValue(), cluster.getDataCenterId(), null, cluster.getId());
// cpu and memory allocated capacity notification threshold can be defined at cluster level, so getting the value if they are defined at cluster level
double threshold = 0;
switch (capacityType) {
case Capacity.CAPACITY_TYPE_STORAGE:
capacity.add(getUsedStats(capacityType, cluster.getDataCenterId(), cluster.getPodId(), cluster.getId()));
threshold = StorageCapacityThreshold.valueIn(cluster.getId());
break;
case Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED:
threshold = StorageAllocatedCapacityThreshold.valueIn(cluster.getId());
break;
case Capacity.CAPACITY_TYPE_CPU:
threshold = CPUCapacityThreshold.valueIn(cluster.getId());
break;
case Capacity.CAPACITY_TYPE_MEMORY:
threshold = MemoryCapacityThreshold.valueIn(cluster.getId());
break;
default:
threshold = _capacityTypeThresholdMap.get(capacityType);
}
if (capacity == null || capacity.size() == 0) {
continue;
}
double totalCapacity = capacity.get(0).getTotalCapacity();
double usedCapacity = capacity.get(0).getUsedCapacity() + capacity.get(0).getReservedCapacity();
if (totalCapacity != 0 && usedCapacity / totalCapacity > threshold) {
generateEmailAlert(ApiDBUtils.findZoneById(cluster.getDataCenterId()), ApiDBUtils.findPodById(cluster.getPodId()), cluster, totalCapacity,
usedCapacity, capacityType);
}
}
}
}
private SummedCapacity getUsedStats(short capacityType, long zoneId, Long podId, Long clusterId) {
CapacityVO capacity;
if (capacityType == Capacity.CAPACITY_TYPE_SECONDARY_STORAGE) {
capacity = _storageMgr.getSecondaryStorageUsedStats(null, zoneId);
} else {
capacity = _storageMgr.getStoragePoolUsedStats(null, clusterId, podId, zoneId);
}
if (capacity != null) {
return new SummedCapacity(capacity.getUsedCapacity(), 0, capacity.getTotalCapacity(), capacityType, clusterId, podId);
} else {
return null;
}
}
private void generateEmailAlert(DataCenterVO dc, HostPodVO pod, ClusterVO cluster, double totalCapacity, double usedCapacity, short capacityType) {
String msgSubject = null;
String msgContent = null;
String totalStr;
String usedStr;
String pctStr = formatPercent(usedCapacity / totalCapacity);
AlertType alertType = null;
Long podId = pod == null ? null : pod.getId();
Long clusterId = cluster == null ? null : cluster.getId();
switch (capacityType) {
//Cluster Level
case Capacity.CAPACITY_TYPE_MEMORY:
msgSubject = "System Alert: Low Available Memory in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "System memory is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_MEMORY;
break;
case Capacity.CAPACITY_TYPE_CPU:
msgSubject = "System Alert: Low Unallocated CPU in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = DfWhole.format(totalCapacity);
usedStr = DfWhole.format(usedCapacity);
msgContent = "Unallocated CPU is low, total: " + totalStr + " Mhz, used: " + usedStr + " Mhz (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_CPU;
break;
case Capacity.CAPACITY_TYPE_STORAGE:
msgSubject = "System Alert: Low Available Storage in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Available storage space is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE;
break;
case Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED:
msgSubject =
"System Alert: Remaining unallocated Storage is low in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " +
dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Unallocated storage space is low, total: " + totalStr + " MB, allocated: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE_ALLOCATED;
break;
case Capacity.CAPACITY_TYPE_LOCAL_STORAGE:
msgSubject =
"System Alert: Remaining unallocated Local Storage is low in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " +
dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Unallocated storage space is low, total: " + totalStr + " MB, allocated: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_LOCAL_STORAGE;
break;
//Pod Level
case Capacity.CAPACITY_TYPE_PRIVATE_IP:
msgSubject = "System Alert: Number of unallocated private IPs is low in pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated private IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_PRIVATE_IP;
break;
//Zone Level
case Capacity.CAPACITY_TYPE_SECONDARY_STORAGE:
msgSubject = "System Alert: Low Available Secondary Storage in availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Available secondary storage space is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_SECONDARY_STORAGE;
break;
case Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP:
msgSubject = "System Alert: Number of unallocated virtual network public IPs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated public IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_VIRTUAL_NETWORK_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP:
msgSubject = "System Alert: Number of unallocated shared network IPs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated shared network IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_DIRECT_ATTACHED_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_VLAN:
msgSubject = "System Alert: Number of unallocated VLANs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated VLANs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_VLAN;
break;
}
try {
if (s_logger.isDebugEnabled()) {
s_logger.debug(msgSubject);
s_logger.debug(msgContent);
}
_emailAlert.sendAlert(alertType, dc.getId(), podId, clusterId, msgSubject, msgContent);
} catch (Exception ex) {
s_logger.error("Exception in CapacityChecker", ex);
}
}
private List<Short> getCapacityTypesAtZoneLevel() {
List<Short> dataCenterCapacityTypes = new ArrayList<Short>();
dataCenterCapacityTypes.add(Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP);
dataCenterCapacityTypes.add(Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP);
dataCenterCapacityTypes.add(Capacity.CAPACITY_TYPE_SECONDARY_STORAGE);
dataCenterCapacityTypes.add(Capacity.CAPACITY_TYPE_VLAN);
return dataCenterCapacityTypes;
}
private List<Short> getCapacityTypesAtPodLevel() {
List<Short> podCapacityTypes = new ArrayList<Short>();
podCapacityTypes.add(Capacity.CAPACITY_TYPE_PRIVATE_IP);
return podCapacityTypes;
}
private List<Short> getCapacityTypesAtClusterLevel() {
List<Short> clusterCapacityTypes = new ArrayList<Short>();
clusterCapacityTypes.add(Capacity.CAPACITY_TYPE_CPU);
clusterCapacityTypes.add(Capacity.CAPACITY_TYPE_MEMORY);
clusterCapacityTypes.add(Capacity.CAPACITY_TYPE_STORAGE);
clusterCapacityTypes.add(Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED);
clusterCapacityTypes.add(Capacity.CAPACITY_TYPE_LOCAL_STORAGE);
return clusterCapacityTypes;
}
class EmailAlert {
private Session _smtpSession;
private InternetAddress[] _recipientList;
private final String _smtpHost;
private int _smtpPort = -1;
private boolean _smtpUseAuth = false;
private final String _smtpUsername;
private final String _smtpPassword;
private final String _emailSender;
private int _smtpTimeout;
private int _smtpConnectionTimeout;
public EmailAlert(String[] recipientList, String smtpHost, int smtpPort, int smtpConnectionTimeout, int smtpTimeout, boolean smtpUseAuth,
final String smtpUsername,
final String smtpPassword, String emailSender, boolean smtpDebug) {
if (recipientList != null) {
_recipientList = new InternetAddress[recipientList.length];
for (int i = 0; i < recipientList.length; i++) {
try {
_recipientList[i] = new InternetAddress(recipientList[i], recipientList[i]);
} catch (Exception ex) {
s_logger.error("Exception creating address for: " + recipientList[i], ex);
}
}
}
_smtpHost = smtpHost;
_smtpPort = smtpPort;
_smtpUseAuth = smtpUseAuth;
_smtpUsername = smtpUsername;
_smtpPassword = smtpPassword;
_emailSender = emailSender;
_smtpTimeout = smtpTimeout;
_smtpConnectionTimeout = smtpConnectionTimeout;
if (_smtpHost != null) {
Properties smtpProps = new Properties();
smtpProps.put("mail.smtp.host", smtpHost);
smtpProps.put("mail.smtp.port", smtpPort);
smtpProps.put("mail.smtp.auth", "" + smtpUseAuth);
smtpProps.put("mail.smtp.timeout", _smtpTimeout);
smtpProps.put("mail.smtp.connectiontimeout", _smtpConnectionTimeout);
if (smtpUsername != null) {
smtpProps.put("mail.smtp.user", smtpUsername);
}
smtpProps.put("mail.smtps.host", smtpHost);
smtpProps.put("mail.smtps.port", smtpPort);
smtpProps.put("mail.smtps.auth", "" + smtpUseAuth);
smtpProps.put("mail.smtps.timeout", _smtpTimeout);
smtpProps.put("mail.smtps.connectiontimeout", _smtpConnectionTimeout);
if (smtpUsername != null) {
smtpProps.put("mail.smtps.user", smtpUsername);
}
if ((smtpUsername != null) && (smtpPassword != null)) {
_smtpSession = Session.getInstance(smtpProps, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(smtpUsername, smtpPassword);
}
});
} else {
_smtpSession = Session.getInstance(smtpProps);
}
_smtpSession.setDebug(smtpDebug);
} else {
_smtpSession = null;
}
}
// TODO: make sure this handles SSL transport (useAuth is true) and regular
public void sendAlert(AlertType alertType, long dataCenterId, Long podId, Long clusterId, String subject, String content) throws MessagingException,
UnsupportedEncodingException {
s_alertsLogger.warn(" alertType:: " + alertType + " // dataCenterId:: " + dataCenterId + " // podId:: " +
podId + " // clusterId:: " + null + " // message:: " + subject);
AlertVO alert = null;
if ((alertType != AlertManager.AlertType.ALERT_TYPE_HOST) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_USERVM) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_DOMAIN_ROUTER) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_CONSOLE_PROXY) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_SSVM) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_STORAGE_MISC) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_MANAGMENT_NODE) &&
(alertType != AlertManager.AlertType.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED)) {
alert = _alertDao.getLastAlert(alertType.getType(), dataCenterId, podId, clusterId);
}
if (alert == null) {
// set up a new alert
AlertVO newAlert = new AlertVO();
newAlert.setType(alertType.getType());
newAlert.setSubject(subject);
newAlert.setClusterId(clusterId);
newAlert.setPodId(podId);
newAlert.setDataCenterId(dataCenterId);
newAlert.setSentCount(1); // initialize sent count to 1 since we are now sending an alert
newAlert.setLastSent(new Date());
newAlert.setName(alertType.getName());
_alertDao.persist(newAlert);
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Have already sent: " + alert.getSentCount() + " emails for alert type '" + alertType + "' -- skipping send email");
}
return;
}
if (_smtpSession != null) {
SMTPMessage msg = new SMTPMessage(_smtpSession);
msg.setSender(new InternetAddress(_emailSender, _emailSender));
msg.setFrom(new InternetAddress(_emailSender, _emailSender));
for (InternetAddress address : _recipientList) {
msg.addRecipient(RecipientType.TO, address);
}
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setContent(content, "text/plain");
msg.saveChanges();
SMTPTransport smtpTrans = null;
if (_smtpUseAuth) {
smtpTrans = new SMTPSSLTransport(_smtpSession, new URLName("smtp", _smtpHost, _smtpPort, null, _smtpUsername, _smtpPassword));
} else {
smtpTrans = new SMTPTransport(_smtpSession, new URLName("smtp", _smtpHost, _smtpPort, null, _smtpUsername, _smtpPassword));
}
sendMessage(smtpTrans, msg);
}
}
private void sendMessage(final SMTPTransport smtpTrans, final SMTPMessage msg) {
_executor.execute(new Runnable() {
@Override
public void run() {
try {
smtpTrans.connect();
smtpTrans.sendMessage(msg, msg.getAllRecipients());
smtpTrans.close();
} catch (SendFailedException e) {
s_logger.error(" Failed to send email alert " + e);
} catch (MessagingException e) {
s_logger.error(" Failed to send email alert " + e);
}
}
});
}
public void clearAlert(short alertType, long dataCenterId, Long podId) {
if (alertType != -1) {
AlertVO alert = _alertDao.getLastAlert(alertType, dataCenterId, podId, null);
if (alert != null) {
AlertVO updatedAlert = _alertDao.createForUpdate();
updatedAlert.setResolved(new Date());
_alertDao.update(alert.getId(), updatedAlert);
}
}
}
}
private static String formatPercent(double percentage) {
return DfPct.format(percentage * 100);
}
private static String formatBytesToMegabytes(double bytes) {
double megaBytes = (bytes / (1024 * 1024));
return DfWhole.format(megaBytes);
}
@Override
public String getConfigComponentName() {
return AlertManager.class.getSimpleName();
}
@Override
public ConfigKey<?>[] getConfigKeys() {
return new ConfigKey<?>[] {CPUCapacityThreshold, MemoryCapacityThreshold, StorageAllocatedCapacityThreshold, StorageCapacityThreshold};
}
@Override
@ActionEvent(eventType = EventTypes.ALERT_GENERATE, eventDescription = "generating alert", async = true)
public boolean generateAlert(AlertType alertType, long dataCenterId, Long podId, String msg) {
try {
sendAlert(alertType, dataCenterId, podId, msg, msg);
return true;
} catch (Exception ex) {
s_logger.warn("Failed to generate an alert of type=" + alertType + "; msg=" + msg);
return false;
}
}
}