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From bob <b...@sectorlink.com>
Subject Re: cloudstack 4.4.2 - VM network rate limit - has no effect
Date Fri, 27 Mar 2015 16:52:35 GMT
Compiled against library: libvirt 0.10.2
Using library: libvirt 0.10.2
Using API: QEMU 0.10.2
Running hypervisor: QEMU 0.12.1

$ virsh dumpxml i-VM-XXXX
output:

<domain type='kvm' id='143'>
   <name>i-2-123-VM</name>
   <uuid>7555205e-c18d-48c7-bfdf-3a7461e637ee</uuid>
   <description>CentOS 5.5 (64-bit)</description>
   <memory unit='KiB'>524288</memory>
   <currentMemory unit='KiB'>524288</currentMemory>
   <vcpu placement='static'>1</vcpu>
   <cputune>
     <shares>500</shares>
   </cputune>
   <os>
     <type arch='x86_64' machine='rhel6.6.0'>hvm</type>
     <boot dev='cdrom'/>
     <boot dev='hd'/>
   </os>
   <features>
     <acpi/>
     <apic/>
     <pae/>
   </features>
   <cpu>
   </cpu>
   <clock offset='utc'/>
   <on_poweroff>destroy</on_poweroff>
   <on_reboot>restart</on_reboot>
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/libexec/qemu-kvm</emulator>
     <disk type='file' device='disk'>
       <driver name='qemu' type='qcow2' cache='none'/>
       <source 
file='/mnt/dfbbd8a2-2c79-3183-8149-25899d9b1191/27473b1d-c29e-44af-b5d1-0452c1104870'/>
       <target dev='vda' bus='virtio'/>
       <alias name='virtio-disk0'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
function='0x0'/>
     </disk>
     <disk type='file' device='cdrom'>
       <driver name='qemu' type='raw' cache='none'/>
       <target dev='hdc' bus='ide'/>
       <readonly/>
       <alias name='ide0-1-0'/>
       <address type='drive' controller='0' bus='1' target='0' unit='0'/>
     </disk>
     <controller type='usb' index='0'>
       <alias name='usb0'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x2'/>
     </controller>
     <controller type='ide' index='0'>
       <alias name='ide0'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x1'/>
     </controller>
     <interface type='bridge'>
       <mac address='02:00:42:f4:00:14'/>
       <source bridge='breth0-537'/>
       <bandwidth>
         <inbound average='25600' peak='25600'/>
         <outbound average='25600' peak='25600'/>
       </bandwidth>
       <target dev='vnet13'/>
       <model type='virtio'/>
       <alias name='net0'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x03' 
function='0x0'/>
     </interface>
     <serial type='pty'>
       <source path='/dev/pts/6'/>
       <target port='0'/>
       <alias name='serial0'/>
     </serial>
     <console type='pty' tty='/dev/pts/6'>
       <source path='/dev/pts/6'/>
       <target type='serial' port='0'/>
       <alias name='serial0'/>
     </console>
     <input type='tablet' bus='usb'>
       <alias name='input0'/>
     </input>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='5905' autoport='yes' listen='x.x.x.x'>
       <listen type='address' address='x.x.x.x'/>
     </graphics>
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
       <alias name='video0'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x02' 
function='0x0'/>
     </video>
     <memballoon model='none'>
       <alias name='balloon0'/>
     </memballoon>
   </devices>
</domain>

Here is the censored version of my CURL URL request:
http://serverip:8080/client/api?account=bob&apikey=MYAPIKEY...&command=deployVirtualMachine&details[0].cpuNumber=1&details[0].cpuSpeed=500&details[0].memory=512&details[0].networkrate=1&displayname=testing&displayvm=true&domainid=a7f31400-9c32-11e4-82e0-50e549354a3e&expires=2015-03-27T12%3A18%3A49-0400&hypervisor=KVM&name=testing&networkids=a2353a3b-073e-47d6-8090-3032432e3077&response=json&rootdisksize=50&serviceofferingid=4cb3c5a5-cc02-4450-a026-f538dc575b5e&signatureVersion=3&templateid=a84da8b6-9c32-11e4-82e0-50e549354a3e&zoneid=8c95e4d9-c49e-4275-8c35-2af258a27898&signature=SIGNATURE...

On 03/26/2015 04:43 PM, Wido den Hollander wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
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>
>
>
> On 03/26/2015 06:12 PM, bob wrote:
>> Hello, I am using a PHP API to cloudstack 4.4.2 - When I make the
>> call to deployVirtualMachine and attempt to pass the parm
>> details[0].networkrate = 1 it does not rate limit the network to
>> 1MB. What am I doing wrong?
>>
> Can you check the XML definition of the guest on the hypervisor?
>
> $ virsh dumpxml i-VM-XXXX
>
> In the network section you should see a network throttle setting.
>
> If not, it might be that your Qemu or libvirt is to old. I'm not sure
> what versions you need.
>
>> It is using the default value from Global Settings:
>> vm.network.throttling.rate and ignores my VM compute service
>> offering rate. How do I force it to use the rate defined by my api
>> call to deployVirtualMachine?
>>
>> Here is my PHP code: //... $displayVM = "true"; // an optional
>> field, whether to the display the vm to the end user or not.
>> $hypervisor = "KVM"; //the hypervisor on which to deploy the
>> virtual machine
>>
>> $vars = array( // Required by API call: 'serviceofferingid' =>
>> CUSTOM_COMPUTE_OFFERING, 'templateid'=>$templateId,
>> 'zoneid'=>ZONE_ID, // Optional but useful:
>> 'details[0].networkrate'=>1, // Network Throttling of 1MB/s not
>> working here... //            'networkrate'=>1,
>> 'account'=>$account, 'displayname'=>$displayName,
>> 'displayvm'=>$displayVM, 'domainid'=>$domainid, //ROOT_DOMAIN_ID,
>> 'hypervisor'=>$hypervisor, 'name'=>$name,
>> 'networkids'=>NETWORK_ID, ); //
>> https://github.com/jasonhancock/cloudstack-api-extension //...
>> $deploy = $cloudstack->deployVirtualMachine($vars); // does curl
>> request...
>>
>> Note: It will create the VM and runs fine with no errors
>> generated... However, when I download a 10 MB test file it will get
>> 10MB/s download, and does not limit it to 1MB/s. Also, when I use
>> the cloudstack interface to look at the Instance Details, I do not
>> see any rate limit set.
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