// 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
// 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.usage;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Map;
import java.util.Properties;
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.Session;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.naming.ConfigurationException;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.alert.AlertManager;
import com.cloud.alert.AlertVO;
import com.cloud.alert.dao.AlertDao;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.component.ManagerBase;
import com.sun.mail.smtp.SMTPMessage;
import com.sun.mail.smtp.SMTPSSLTransport;
import com.sun.mail.smtp.SMTPTransport;
@Component
@Local(value={AlertManager.class})
public class UsageAlertManagerImpl extends ManagerBase implements AlertManager {
private static final Logger s_logger = Logger.getLogger(UsageAlertManagerImpl.class.getName());
private static final Logger s_alertsLogger = Logger.getLogger("org.apache.cloudstack.alerts");
private EmailAlert _emailAlert;
@Inject private AlertDao _alertDao;
@Inject private ConfigurationDao _configDao;
@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");
boolean smtpDebug = false;
if (smtpDebugStr != null) {
smtpDebug = Boolean.parseBoolean(smtpDebugStr);
}
_emailAlert = new EmailAlert(emailAddresses, smtpHost, smtpPort, useAuth, smtpUsername, smtpPassword, emailSender, smtpDebug);
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) {
// 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, subject, body);
} else {
s_alertsLogger.warn(" alertType:: " + alertType + " // dataCenterId:: " + dataCenterId + " // podId:: "
+ podId + " // clusterId:: " + null + " // message:: " + subject + " // body:: " + body);
}
} catch (Exception ex) {
s_logger.error("Problem sending email alert", ex);
}
}
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;
public EmailAlert(String[] recipientList, String smtpHost, int smtpPort, 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;
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);
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);
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
protected void sendAlert(AlertType alertType, long dataCenterId, Long podId, 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)) {
alert = _alertDao.getLastAlert(alertType.getType(), dataCenterId, podId);
}
if (alert == null) {
// set up a new alert
AlertVO newAlert = new AlertVO();
newAlert.setType(alertType.getType());
newAlert.setSubject(subject);
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));
}
smtpTrans.connect();
smtpTrans.sendMessage(msg, msg.getAllRecipients());
smtpTrans.close();
}
}
public void clearAlert(short alertType, long dataCenterId, Long podId) {
if (alertType != -1) {
AlertVO alert = _alertDao.getLastAlert(alertType, dataCenterId, podId);
if (alert != null) {
AlertVO updatedAlert = _alertDao.createForUpdate();
updatedAlert.setResolved(new Date());
_alertDao.update(alert.getId(), updatedAlert);
}
}
}
}
@Override
public void recalculateCapacity() {
// TODO Auto-generated method stub
}
@Override
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;
} }
}