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CloudStack Usage Metering
Roxanne Chang
TrendMicro TCloud
CloudStack Metering
Enough resource?
Make a price
Charge!
How does CS metering the usage ?
Usage Server • Optional
• Separately installed
• Provide aggregated usage records
• Run at least once per day (Default) o usage.stats.job.aggregation.range = 1440 min
• Take data from the events log in cloud DB o cloud.usage_event
• Create summary usage records in cloud_usage DB o cloud_usage.usage_event
• Access usage records using listUsageRecords API o http://localhost:8096/client/api?command=listUsageRecords&startdate=2013-
05-25&enddate=2013-06-05
Usage Server Config
Usage Server Config Name Value
usage.stats.job.exec.time 00:15
usage.execution.timezone PST
usage.stats.job.aggregation.range 60
usage.aggregation.timezone GMT
• Usage Job will run at PST 00:15
• Generate usage records for 1hr from 07:15:00 GMT
to 08:14:59 GMT
• Next exec.time is 01:15
Usage Server Config Name Value
usage.stats.job.exec.time 00:15
usage.execution.timezone PST
usage.stats.job.aggregation.range 1440
usage.aggregation.timezone GMT
• Usage Job will run at PST 00:15
• Generate usage records for 24hrs from 00:00:00
GMT to 23:59:59 GMT
1440 is a special case: CloudStack considerst that it’s a Midnight-Midnight setting
Usage Record Format • Virtual Machine
• Network
• IP Address
• Disk Volume
• Template, ISO, Snapshot
• Load Balancer Policy / Port Forwarding Rule
• Network Offering
• VPN User
Ref: http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.2/html/API_Developers_Guide/usage-record-format.html
Usage Type
ID Usage Type 1 RUNNING_VM
2 ALLOCATED_VM
3 IP_ADDRESS
4 NETWORK_BYTES_SENT
5 NETWORK_BYTES_RECEIVED
6 VOLUME
7 TMEPLATE
ID Usage Type 8 ISO
9 SNAPSHOT
10 SECURITY_GROUP_USAGE
11 LOAD_BALANCER_POLICY
12 PORT_FORWARDING
13 NETWORK_OFFERING
14 VPN_USERS
Format Details • VM Usage Record
o account
o account id
o domain id
o zone id
o description
o usage
o usage type
o raw usage
o virtual machine id
o name
o offering id
o template id
o usage id
o type
o start date, end date
Usage Calculation 1-1-VM Event Time
deployed 2013-06-05 12:00
start 2013-06-05 12:00
stop 2013-06-05 18:00
start again 2013-06-05 23:00
The Usage Record startdate 2013-06-05 00:00:00
enddate 2013-06-05 23:59:59
RUNNING_VM (Usage Type 1)
6 + 1 = 7 hours
ALLOCATED_VM (Usage Type 2)
12 hours
Get the Usage Records
API • Admin Only
• generateUsageRecords (A) o only if there any records need to be generated.
• listUsageRecords o must provide a period
• listUsageTypes
<listusagerecordsresponse>
<count>1816</count>
<usagerecord>
<account>user5</account>
<accountid>10004</accountid>
<domainid>1</domainid>
<zoneid>1</zoneid>
<description>i-3-4-WC running time (ServiceOffering: 1) (Template:3)</description>
<usage>2.95288 Hrs</usage>
<usagetype>1</usagetype>
<rawusage>2.95288</rawusage>
<virtualmachineid>245554</virtualmachineid>
<name>i-3-4-WC</name>
<offeringid>1</offeringid>
<templateid>3</templateid>
<usageid>245554</usageid>
<type>XenServer</type>
<startdate>2009-09-15T00:00:00-0700</startdate>
<enddate>2009-09-18T16:14:26-0700</enddate>
</usagerecord>
… (1,815 more usage records)
</listusagerecordsresponse>
Need Limit ?
Setting Usage Limits • Zone
o use global setting (keyword: max)
o public ip, snapshot, template, vm, volume, iso/template size, volume size, network rate, snapshot recurring rule.
• Account o public ip, snapshot, template, vm, volume, VPC
• Domain o public ip, snapshot, template, vm, volume, VPC
Use Cases
MS Excel • Pull data from cloud_usage DB
• Import data to MySQL (via Oracle ODBC
connector)
• Use PivotTables / Reports to present data
Ref: http://support.citrix.com/article/CTX132030
Citrix CloudPortal Business Manager
• Integrate cloud_usage DB on
CloudStack/CloudPlatform
• Make resources as products
• Make a price
• Scheduled billing
Citrix CloudPortal Business Manager
• Integrate cloud_usage DB on
CloudStack/CloudPlatform
• Make resources as products
• Make a price
• Scheduled billing
Question ?
Thanks!
