// 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.parser;
import java.text.DecimalFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.usage.UsageTypes;
import com.cloud.usage.UsageVMSnapshotVO;
import com.cloud.usage.UsageVO;
import com.cloud.usage.dao.UsageDao;
import com.cloud.usage.dao.UsageVMSnapshotDao;
import com.cloud.user.AccountVO;
@Component
public class VMSnapshotUsageParser {
public static final Logger s_logger = Logger.getLogger(VMSnapshotUsageParser.class.getName());
private static UsageDao s_usageDao;
private static UsageVMSnapshotDao s_usageVMSnapshotDao;
@Inject
private UsageDao _usageDao;
@Inject
private UsageVMSnapshotDao _usageVMSnapshotDao;
@PostConstruct
void init() {
s_usageDao = _usageDao;
s_usageVMSnapshotDao = _usageVMSnapshotDao;
}
public static boolean parse(AccountVO account, Date startDate, Date endDate) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Parsing all VmSnapshot volume usage events for account: " + account.getId());
}
if ((endDate == null) || endDate.after(new Date())) {
endDate = new Date();
}
List<UsageVMSnapshotVO> usageUsageVMSnapshots = s_usageVMSnapshotDao.getUsageRecords(account.getId(), account.getDomainId(), startDate, endDate);
if (usageUsageVMSnapshots.isEmpty()) {
s_logger.debug("No VM snapshot usage events for this period");
return true;
}
Map<String, UsageVMSnapshotVO> unprocessedUsage = new HashMap<String, UsageVMSnapshotVO>();
for (UsageVMSnapshotVO usageRec : usageUsageVMSnapshots) {
long zoneId = usageRec.getZoneId();
Long volId = usageRec.getId();
long vmId = usageRec.getVmId();
String key = vmId + ":" + volId;
if (usageRec.getCreated().before(startDate)) {
unprocessedUsage.put(key, usageRec);
continue;
}
UsageVMSnapshotVO previousEvent = s_usageVMSnapshotDao.getPreviousUsageRecord(usageRec);
if (previousEvent == null || previousEvent.getSize() == 0) {
unprocessedUsage.put(key, usageRec);
continue;
}
Date previousCreated = previousEvent.getCreated();
if (previousCreated.before(startDate)) {
previousCreated = startDate;
}
Date createDate = usageRec.getCreated();
long duration = (createDate.getTime() - previousCreated.getTime()) + 1;
createUsageRecord(UsageTypes.VM_SNAPSHOT, duration, previousCreated, createDate, account, volId, zoneId, previousEvent.getDiskOfferingId(), vmId,
previousEvent.getSize());
previousEvent.setProcessed(new Date());
s_usageVMSnapshotDao.update(previousEvent);
if (usageRec.getSize() == 0) {
usageRec.setProcessed(new Date());
s_usageVMSnapshotDao.update(usageRec);
} else
unprocessedUsage.put(key, usageRec);
}
for (String key : unprocessedUsage.keySet()) {
UsageVMSnapshotVO usageRec = unprocessedUsage.get(key);
Date created = usageRec.getCreated();
if (created.before(startDate)) {
created = startDate;
}
long duration = (endDate.getTime() - created.getTime()) + 1;
createUsageRecord(UsageTypes.VM_SNAPSHOT, duration, created, endDate, account, usageRec.getId(), usageRec.getZoneId(), usageRec.getDiskOfferingId(),
usageRec.getVmId(), usageRec.getSize());
}
return true;
}
private static void createUsageRecord(int type, long runningTime, Date startDate, Date endDate, AccountVO account, long volId, long zoneId, Long doId, Long vmId,
long size) {
// Our smallest increment is hourly for now
if (s_logger.isDebugEnabled()) {
s_logger.debug("Total running time " + runningTime + "ms");
}
float usage = runningTime / 1000f / 60f / 60f;
DecimalFormat dFormat = new DecimalFormat("#.######");
String usageDisplay = dFormat.format(usage);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Creating VMSnapshot Volume usage record for vol: " + volId + ", usage: " + usageDisplay + ", startDate: " + startDate + ", endDate: " +
endDate + ", for account: " + account.getId());
}
// Create the usage record
String usageDesc = "VMSnapshot Usage: " + "VM Id: " + vmId + " Volume Id: " + volId + " ";
if (doId != null) {
usageDesc += " DiskOffering: " + doId;
}
usageDesc += " Size: " + size;
UsageVO usageRecord =
new UsageVO(zoneId, account.getId(), account.getDomainId(), usageDesc, usageDisplay + " Hrs", type, new Double(usage), vmId, null, doId, null, volId, size,
startDate, endDate);
s_usageDao.persist(usageRecord);
}
}