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From jburwell <...@git.apache.org>
Subject [GitHub] cloudstack pull request: Quota
Date Tue, 15 Sep 2015 04:25:48 GMT
Github user jburwell commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/768#discussion_r39473570
  
    --- Diff: usage/src/org/apache/cloudstack/quota/QuotaAlertManagerImpl.java ---
    @@ -0,0 +1,444 @@
    +//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 org.apache.cloudstack.quota;
    +
    +import com.cloud.domain.DomainVO;
    +import com.cloud.domain.dao.DomainDao;
    +import com.cloud.user.Account;
    +import com.cloud.user.Account.State;
    +import com.cloud.user.AccountVO;
    +import com.cloud.user.UserVO;
    +import com.cloud.user.dao.AccountDao;
    +import com.cloud.user.dao.UserDao;
    +import com.cloud.utils.DateUtil;
    +import com.cloud.utils.NumbersUtil;
    +import com.cloud.utils.component.ManagerBase;
    +import com.cloud.utils.db.TransactionLegacy;
    +import com.cloud.utils.exception.CloudRuntimeException;
    +import com.sun.mail.smtp.SMTPMessage;
    +import com.sun.mail.smtp.SMTPSSLTransport;
    +import com.sun.mail.smtp.SMTPTransport;
    +import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
    +import org.apache.cloudstack.quota.constant.QuotaConfig;
    +import org.apache.cloudstack.quota.constant.QuotaConfig.QuotaEmailTemplateTypes;
    +import org.apache.cloudstack.quota.dao.QuotaAccountDao;
    +import org.apache.cloudstack.quota.dao.QuotaEmailTemplatesDao;
    +import org.apache.cloudstack.quota.dao.QuotaUsageDao;
    +import org.apache.cloudstack.quota.vo.QuotaAccountVO;
    +import org.apache.cloudstack.quota.vo.QuotaEmailTemplatesVO;
    +import org.apache.commons.lang3.text.StrSubstitutor;
    +import org.apache.log4j.Logger;
    +import org.springframework.stereotype.Component;
    +
    +import javax.ejb.Local;
    +import javax.inject.Inject;
    +import javax.mail.Authenticator;
    +import javax.mail.Message;
    +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 java.io.UnsupportedEncodingException;
    +import java.math.BigDecimal;
    +import java.util.ArrayList;
    +import java.util.Calendar;
    +import java.util.Date;
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Properties;
    +import java.util.concurrent.TimeUnit;
    +
    +@Component
    +@Local(value = QuotaAlertManager.class)
    +public class QuotaAlertManagerImpl extends ManagerBase implements QuotaAlertManager {
    +    private static final Logger s_logger = Logger.getLogger(QuotaAlertManagerImpl.class.getName());
    +
    +    @Inject
    +    private AccountDao _accountDao;
    +    @Inject
    +    private QuotaAccountDao _quotaAcc;
    +    @Inject
    +    private UserDao _userDao;
    +    @Inject
    +    private DomainDao _domainDao;
    +    @Inject
    +    private QuotaEmailTemplatesDao _quotaEmailTemplateDao;
    +    @Inject
    +    private ConfigurationDao _configDao;
    +    @Inject
    +    private QuotaUsageDao _quotaUsage;
    +
    +    private EmailQuotaAlert _emailQuotaAlert;
    +    private boolean _lockAccountEnforcement = false;
    +
    +    final static BigDecimal s_hoursInMonth = new BigDecimal(30 * 24);
    +    final static BigDecimal s_minutesInMonth = new BigDecimal(30 * 24 * 60);
    +    final static BigDecimal s_gb = new BigDecimal(1024 * 1024 * 1024);
    +
    +    boolean _smtpDebug = false;
    +
    +    int _pid = 0;
    +
    +    public QuotaAlertManagerImpl() {
    +        super();
    +    }
    +
    +    private void mergeConfigs(Map<String, String> dbParams, Map<String, Object>
xmlParams) {
    +        for (Map.Entry<String, Object> param : xmlParams.entrySet()) {
    +            dbParams.put(param.getKey(), (String) param.getValue());
    +        }
    +    }
    +
    +    @Override
    +    public boolean configure(String name, Map<String, Object> params) throws ConfigurationException
{
    +        super.configure(name, params);
    +
    +        Map<String, String> configs = _configDao.getConfiguration(params);
    +
    +        if (params != null) {
    +            mergeConfigs(configs, params);
    +        }
    +
    +        final String smtpHost = configs.get(QuotaConfig.QuotaSmtpHost.key());
    +        int smtpPort = NumbersUtil.parseInt(configs.get(QuotaConfig.QuotaSmtpPort.key()),
25);
    +        String useAuthStr = configs.get(QuotaConfig.QuotaSmtpAuthType.key());
    +        boolean useAuth = ((useAuthStr != null) && Boolean.parseBoolean(useAuthStr));
    +        String smtpUsername = configs.get(QuotaConfig.QuotaSmtpUser.key());
    +        String smtpPassword = configs.get(QuotaConfig.QuotaSmtpPassword.key());
    +        String emailSender = configs.get(QuotaConfig.QuotaSmtpSender.key());
    +        _lockAccountEnforcement = "true".equalsIgnoreCase(configs.get(QuotaConfig.QuotaEnableEnforcement.key()));
    +        _emailQuotaAlert = new EmailQuotaAlert(smtpHost, smtpPort, useAuth, smtpUsername,
smtpPassword, emailSender, _smtpDebug);
    +
    +        return true;
    +    }
    +
    +    @Override
    +    public boolean start() {
    +        if (s_logger.isInfoEnabled()) {
    +            s_logger.info("Starting Alert Manager");
    +        }
    +        _pid = Integer.parseInt(System.getProperty("pid"));
    +        return true;
    +    }
    +
    +    @Override
    +    public boolean stop() {
    +        if (s_logger.isInfoEnabled()) {
    +            s_logger.info("Stopping Alert Manager");
    +        }
    +        return true;
    +    }
    +
    +    @SuppressWarnings("deprecation")
    +    @Override
    +    public void sendMonthlyStatement(Date now) {
    +        Calendar aCalendar = Calendar.getInstance();
    +        aCalendar.add(Calendar.MONTH, -1);
    +        aCalendar.set(Calendar.DATE, 1);
    +        aCalendar.set(Calendar.HOUR, 0);
    +        aCalendar.set(Calendar.MINUTE, 0);
    +        aCalendar.set(Calendar.SECOND, 0);
    +        Date firstDateOfPreviousMonth = aCalendar.getTime();
    +        aCalendar.set(Calendar.DATE, aCalendar.getActualMaximum(Calendar.DAY_OF_MONTH)
+ 1);
    +        Date lastDateOfPreviousMonth = aCalendar.getTime(); // actually the first day
of this month
    +
    +        List<DeferredQuotaEmail> deferredQuotaEmailList = new ArrayList<DeferredQuotaEmail>();
    +        for (final QuotaAccountVO quotaAccount : _quotaAcc.listAll()) {
    +            if (quotaAccount.getQuotaBalance() == null) {
    +                continue; // no quota usage for this account ever, ignore
    +            }
    +            Date lastStatementDate = quotaAccount.getLastStatementDate();
    +            if (now.getDate() < 6) {
    +                AccountVO account = _accountDao.findById(quotaAccount.getId());
    +                if (lastStatementDate == null || getDifferenceDays(lastStatementDate,
new Date()) >= 7) {
    +                    BigDecimal quotaUsage = _quotaUsage.findTotalQuotaUsage(account.getAccountId(),
account.getDomainId(), null, firstDateOfPreviousMonth, lastDateOfPreviousMonth);
    +                    s_logger.info("For account=" + quotaAccount.getId() + ", quota used
= " + quotaUsage);
    +                    // send statement
    +                    deferredQuotaEmailList.add(new DeferredQuotaEmail(account, quotaAccount,
quotaUsage, QuotaConfig.QuotaEmailTemplateTypes.QUOTA_STATEMENT));
    +                } else {
    +                    s_logger.debug("For " + quotaAccount.getId() + " the statement has
been sent recently");
    +                }
    +            } else {
    +                s_logger.info("For " + quotaAccount.getId() + " it is already more than
" + getDifferenceDays(lastStatementDate, new Date()) + " days, will send statement in next
cycle");
    +            }
    +        }
    +
    +        for (DeferredQuotaEmail emailToBeSent : deferredQuotaEmailList) {
    +            s_logger.debug("Attempting to send quota STATEMENT email to users of account:
" + emailToBeSent.getAccount().getAccountName());
    +            sendQuotaAlert(emailToBeSent);
    +        }
    +    }
    +
    +    @Override
    +    public void checkAndSendQuotaAlertEmails() {
    +        s_logger.info("Running checkAndSendQuotaAlertEmails");
    +        List<DeferredQuotaEmail> deferredQuotaEmailList = new ArrayList<DeferredQuotaEmail>();
    +        final BigDecimal zeroBalance = new BigDecimal(0);
    +        for (final QuotaAccountVO quotaAccount : _quotaAcc.listAll()) {
    +            s_logger.info("checkAndSendQuotaAlertEmails accId=" + quotaAccount.getId());
    +            BigDecimal accountBalance = quotaAccount.getQuotaBalance();
    +            Date balanceDate = quotaAccount.getQuotaBalanceDate();
    +            Date alertDate = quotaAccount.getQuotaAlertDate();
    +            int lockable = quotaAccount.getQuotaEnforce();
    +            BigDecimal thresholdBalance = quotaAccount.getQuotaMinBalance();
    +            if (accountBalance != null) {
    +                AccountVO account = _accountDao.findById(quotaAccount.getId());
    +                if (s_logger.isDebugEnabled()) {
    +                    s_logger.debug("Check id " + account.getId() + " bal=" + accountBalance
+ " alertDate" + alertDate + " current date" + new Date());
    +                }
    +                if (accountBalance.compareTo(zeroBalance) <= 0) {
    +                    if (_lockAccountEnforcement && (lockable == 1)) {
    +                        if (account.getType() == Account.ACCOUNT_TYPE_NORMAL) {
    +                            lockAccount(account.getId());
    +                        }
    +                    }
    +                    if (alertDate == null || (balanceDate.after(alertDate) &&
getDifferenceDays(alertDate, new Date()) > 1)) {
    +                        deferredQuotaEmailList.add(new DeferredQuotaEmail(account, quotaAccount,
QuotaConfig.QuotaEmailTemplateTypes.QUOTA_EMPTY));
    +                    }
    +                } else if (accountBalance.compareTo(thresholdBalance) <= 0) {
    +                    if (alertDate == null || (balanceDate.after(alertDate) &&
getDifferenceDays(alertDate, new Date()) > 1)) {
    +                        deferredQuotaEmailList.add(new DeferredQuotaEmail(account, quotaAccount,
QuotaConfig.QuotaEmailTemplateTypes.QUOTA_LOW));
    +                    }
    +                }
    +            }
    +        }
    +
    +        for (DeferredQuotaEmail emailToBeSent : deferredQuotaEmailList) {
    +            s_logger.debug("Attempting to send quota alert email to users of account:
" + emailToBeSent.getAccount().getAccountName());
    +            sendQuotaAlert(emailToBeSent);
    +        }
    +    }
    +
    +    public void sendQuotaAlert(DeferredQuotaEmail emailToBeSent) {
    +        final AccountVO account = emailToBeSent.getAccount();
    +        final BigDecimal balance = emailToBeSent.getQuotaBalance();
    +        final BigDecimal usage = emailToBeSent.getQuotaUsage();
    +        final QuotaConfig.QuotaEmailTemplateTypes emailType = emailToBeSent.getEmailTemplateType();
    +
    +        final List<QuotaEmailTemplatesVO> emailTemplates = _quotaEmailTemplateDao.listAllQuotaEmailTemplates(emailType.toString());
    +        if (emailTemplates != null && emailTemplates.get(0) != null) {
    +            final QuotaEmailTemplatesVO emailTemplate = emailTemplates.get(0);
    +
    +            final DomainVO accountDomain = _domainDao.findByIdIncludingRemoved(account.getDomainId());
    +            final List<UserVO> usersInAccount = _userDao.listByAccount(account.getId());
    +
    +            String userNames = "";
    +            final List<String> emailRecipients = new ArrayList<String>();
    +            for (UserVO user : usersInAccount) {
    +                userNames += String.format("%s <%s>,", user.getUsername(), user.getEmail());
    +                emailRecipients.add(user.getEmail());
    +            }
    +            if (userNames.endsWith(",")) {
    +                userNames = userNames.substring(0, userNames.length() - 1);
    +            }
    +
    +            final Map<String, String> optionMap = new HashMap<String, String>();
    +            optionMap.put("accountName", account.getAccountName());
    +            optionMap.put("accountID", account.getUuid());
    +            optionMap.put("accountUsers", userNames);
    +            optionMap.put("domainName", accountDomain.getName());
    +            optionMap.put("domainID", accountDomain.getUuid());
    +            optionMap.put("quotaBalance", QuotaConfig.QuotaCurrencySymbol.value() + "
" + balance.toString());
    +            if (emailType == QuotaEmailTemplateTypes.QUOTA_STATEMENT) {
    +                optionMap.put("quotaUsage", QuotaConfig.QuotaCurrencySymbol.value() +
" " + usage.toString());
    +            }
    +
    +            if (s_logger.isDebugEnabled()) {
    +                s_logger.debug("accountName" + account.getAccountName() + "accountID"
+ account.getUuid() + "accountUsers" + userNames + "domainName" + accountDomain.getName()
+ "domainID"
    +                        + accountDomain.getUuid());
    +            }
    +
    +            final StrSubstitutor templateEngine = new StrSubstitutor(optionMap);
    +            final String subject = templateEngine.replace(emailTemplate.getTemplateSubject());
    +            final String body = templateEngine.replace(emailTemplate.getTemplateBody());
    +            try {
    +                _emailQuotaAlert.sendQuotaAlert(emailRecipients, subject, body);
    +                emailToBeSent.sentSuccessfully(_quotaAcc);
    +            } catch (Exception e) {
    +                s_logger.error(String.format("Unable to send quota alert email (subject=%s;
body=%s) to account %s (%s) recipients (%s) due to error (%s)", subject, body, account.getAccountName(),
    +                        account.getUuid(), emailRecipients, e));
    +            }
    +        } else {
    +            s_logger.error(String.format("No quota email template found for type %s,
cannot send quota alert email to account %s(%s)", emailType, account.getAccountName(), account.getUuid()));
    +        }
    +    }
    +
    +    public static long getDifferenceDays(Date d1, Date d2) {
    +        long diff = d2.getTime() - d1.getTime();
    +        return TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS);
    +    }
    +
    +    protected boolean lockAccount(long accountId) {
    +        final short opendb = TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.CLOUD_DB).close();
    +        boolean success = false;
    +        Account account = _accountDao.findById(accountId);
    +        if (account != null) {
    +            if (account.getState().equals(State.locked)) {
    +                return true; // already locked, no-op
    +            } else if (account.getState().equals(State.enabled)) {
    +                AccountVO acctForUpdate = _accountDao.createForUpdate();
    +                acctForUpdate.setState(State.locked);
    +                success = _accountDao.update(Long.valueOf(accountId), acctForUpdate);
    +            } else {
    +                if (s_logger.isInfoEnabled()) {
    +                    s_logger.info("Attempting to lock a non-enabled account, current
state is " + account.getState() + " (accountId: " + accountId + "), locking failed.");
    +                }
    +            }
    +        } else {
    +            s_logger.warn("Failed to lock account " + accountId + ", account not found.");
    +        }
    +        TransactionLegacy.open(opendb).close();
    +        return success;
    +    }
    +
    +    public static class DeferredQuotaEmail {
    +        private AccountVO account;
    +        private QuotaAccountVO quotaAccount;
    +        private QuotaConfig.QuotaEmailTemplateTypes emailTemplateType;
    +        private BigDecimal quotaUsage;
    +
    +        public DeferredQuotaEmail(AccountVO account, QuotaAccountVO quotaAccount, BigDecimal
quotaUsage, QuotaConfig.QuotaEmailTemplateTypes emailTemplateType) {
    +            this.account = account;
    +            this.quotaAccount = quotaAccount;
    +            this.emailTemplateType = emailTemplateType;
    +            this.quotaUsage = quotaUsage;
    +        }
    +
    +        public DeferredQuotaEmail(AccountVO account, QuotaAccountVO quotaAccount, QuotaConfig.QuotaEmailTemplateTypes
emailTemplateType) {
    +            this.account = account;
    +            this.quotaAccount = quotaAccount;
    +            this.emailTemplateType = emailTemplateType;
    +            this.quotaUsage = new BigDecimal(-1);
    +        }
    +
    +        public AccountVO getAccount() {
    +            return account;
    +        }
    +
    +        public BigDecimal getQuotaBalance() {
    +            return quotaAccount.getQuotaBalance();
    +        }
    +
    +        public BigDecimal getQuotaUsage() {
    +            return quotaUsage;
    +        }
    +
    +        public QuotaConfig.QuotaEmailTemplateTypes getEmailTemplateType() {
    +            return emailTemplateType;
    +        }
    +
    +        public void sentSuccessfully(final QuotaAccountDao quotaAccountDao) {
    +            if (emailTemplateType == QuotaEmailTemplateTypes.QUOTA_STATEMENT) {
    +                quotaAccount.setLastStatementDate(new Date());
    +            } else {
    +                quotaAccount.setQuotaAlertDate(new Date());
    +                quotaAccount.setQuotaAlertType(emailTemplateType.ordinal());
    +            }
    +            quotaAccountDao.update(quotaAccount.getAccountId(), quotaAccount);
    +        }
    +    };
    +
    +    class EmailQuotaAlert {
    +        private Session _smtpSession;
    +        private final String _smtpHost;
    +        private final int _smtpPort;
    +        private final boolean _smtpUseAuth;
    +        private final String _smtpUsername;
    +        private final String _smtpPassword;
    +        private final String _emailSender;
    +
    +        public EmailQuotaAlert(String smtpHost, int smtpPort, boolean smtpUseAuth, final
String smtpUsername, final String smtpPassword, String emailSender, boolean smtpDebug) {
    +            _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)) {
    --- End diff --
    
    What is ``smtpUsername`` and/or ``smtpPassword`` are blank?  Check with ``com.google.common.base.Strings.isNullorEmpty()``
to protect against this condition.


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