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// 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.UsageLoadBalancerPolicyVO;
import com.cloud.usage.UsageVO;
import com.cloud.usage.dao.UsageDao;
import com.cloud.usage.dao.UsageLoadBalancerPolicyDao;
import com.cloud.user.AccountVO;
import com.cloud.utils.Pair;
@Component
public class LoadBalancerUsageParser {
public static final Logger s_logger = Logger.getLogger(LoadBalancerUsageParser.class.getName());
private static UsageDao s_usageDao;
private static UsageLoadBalancerPolicyDao s_usageLoadBalancerPolicyDao;
@Inject
private UsageDao _usageDao;
@Inject
private UsageLoadBalancerPolicyDao _usageLoadBalancerPolicyDao;
@PostConstruct
void init() {
s_usageDao = _usageDao;
s_usageLoadBalancerPolicyDao = _usageLoadBalancerPolicyDao;
}
public static boolean parse(AccountVO account, Date startDate, Date endDate) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Parsing all LoadBalancerPolicy usage events for account: " + account.getId());
}
if ((endDate == null) || endDate.after(new Date())) {
endDate = new Date();
}
// - query usage_volume table with the following criteria:
// - look for an entry for accountId with start date in the given range
// - look for an entry for accountId with end date in the given range
// - look for an entry for accountId with end date null (currently running vm or owned IP)
// - look for an entry for accountId with start date before given range *and* end date after given range
List<UsageLoadBalancerPolicyVO> usageLBs = s_usageLoadBalancerPolicyDao.getUsageRecords(account.getId(), account.getDomainId(), startDate, endDate, false, 0);
if (usageLBs.isEmpty()) {
s_logger.debug("No load balancer usage events for this period");
return true;
}
// This map has both the running time *and* the usage amount.
Map<String, Pair<Long, Long>> usageMap = new HashMap<String, Pair<Long, Long>>();
Map<String, LBInfo> lbMap = new HashMap<String, LBInfo>();
// loop through all the load balancer policies, create a usage record for each
for (UsageLoadBalancerPolicyVO usageLB : usageLBs) {
long lbId = usageLB.getId();
String key = "" + lbId;
lbMap.put(key, new LBInfo(lbId, usageLB.getZoneId()));
Date lbCreateDate = usageLB.getCreated();
Date lbDeleteDate = usageLB.getDeleted();
if ((lbDeleteDate == null) || lbDeleteDate.after(endDate)) {
lbDeleteDate = endDate;
}
// clip the start date to the beginning of our aggregation range if the vm has been running for a while
if (lbCreateDate.before(startDate)) {
lbCreateDate = startDate;
}
if (lbCreateDate.after(endDate)) {
//Ignore records created after endDate
continue;
}
long currentDuration = (lbDeleteDate.getTime() - lbCreateDate.getTime()) + 1; // make sure this is an inclusive check for milliseconds (i.e. use n - m + 1 to find total number of millis to charge)
updateLBUsageData(usageMap, key, usageLB.getId(), currentDuration);
}
for (String lbIdKey : usageMap.keySet()) {
Pair<Long, Long> sgtimeInfo = usageMap.get(lbIdKey);
long useTime = sgtimeInfo.second().longValue();
// Only create a usage record if we have a runningTime of bigger than zero.
if (useTime > 0L) {
LBInfo info = lbMap.get(lbIdKey);
createUsageRecord(UsageTypes.LOAD_BALANCER_POLICY, useTime, startDate, endDate, account, info.getId(), info.getZoneId());
}
}
return true;
}
private static void updateLBUsageData(Map<String, Pair<Long, Long>> usageDataMap, String key, long lbId, long duration) {
Pair<Long, Long> lbUsageInfo = usageDataMap.get(key);
if (lbUsageInfo == null) {
lbUsageInfo = new Pair<Long, Long>(new Long(lbId), new Long(duration));
} else {
Long runningTime = lbUsageInfo.second();
runningTime = new Long(runningTime.longValue() + duration);
lbUsageInfo = new Pair<Long, Long>(lbUsageInfo.first(), runningTime);
}
usageDataMap.put(key, lbUsageInfo);
}
private static void createUsageRecord(int type, long runningTime, Date startDate, Date endDate, AccountVO account, long lbId, long zoneId) {
// 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 Volume usage record for load balancer: " + lbId + ", usage: " + usageDisplay + ", startDate: " + startDate + ", endDate: " +
endDate + ", for account: " + account.getId());
}
// Create the usage record
String usageDesc = "Load Balancing Policy: " + lbId + " usage time";
//ToDo: get zone id
UsageVO usageRecord =
new UsageVO(zoneId, account.getId(), account.getDomainId(), usageDesc, usageDisplay + " Hrs", type, new Double(usage), null, null, null, null, lbId, null,
startDate, endDate);
s_usageDao.persist(usageRecord);
}
private static class LBInfo {
private long id;
private long zoneId;
public LBInfo(long id, long zoneId) {
this.id = id;
this.zoneId = zoneId;
}
public long getZoneId() {
return zoneId;
}
public long getId() {
return id;
}
}
}