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From Jason Pavao <jason.pa...@oracle.com>
Subject Re: How can I allocate a specific IP when I create an instance.
Date Wed, 26 Jun 2013 17:30:03 GMT
Do you by chance have a sample sql query that would perform this?


On 6/26/2013 8:51 AM, Dave Dunaway wrote:
> There should be a way to have the ability to reserve an IP and still have
> DHCP assign the IP by mac reservation. There's no technical reason this
> wouldn't work and likely a feature a lot of people would love to see. The
> only hold back is the UI not allowing you to do so.
>
> Ultimately, you can go to the DB and change the VM's IP in the nics table
> to what you want (reboot the VM and the IP change will occur). Which is not
> the preferred way to do so, but ultimately that functionality from the UI
> would be ideal.
>
> Even going as far as intergrating IPAM functionality into the product would
> be ideal.
>
>
> On Wed, Jun 26, 2013 at 11:44 AM, Geoff Higginbottom <
> geoff.higginbottom@shapeblue.com> wrote:
>
>> Simple answer - you can't.
>>
>> In an advanced zone, you can specify the IP address when you create a new
>> VM using the API, however in a basic zone, because the IP will depend on
>> which POD your VM ends up in, and as a user you cannot influence this,
>> there is no way to specific the IP, even if you are a root admin.
>>
>> The reason it still fails when you manually change the IP is that the
>> security groups feature is expecting the VM to have the IP CloudStack
>> allocated it via DHCP.
>>
>> Regards
>>
>> Geoff Higginbottom
>> CTO / Cloud Architect
>>
>>
>> D: +44(0)20 3603 0542<tel:+442036030542> | S: +44(0)20 3603 0540<tel:
>> +442036030540> | M: +44(0)7968161581<tel:+447968161581>
>>
>> geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com>
>> | www.shapeblue.com
>>
>> ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N 4HS
>>
>>
>>
>> On 26 Jun 2013, at 05:02, "WXR" <474745079@qq.com<http://qq.com>> wrote:
>>
>> cloudstack version: 4.1
>> network type: basic network
>>
>> When I create a new instance,the vm will get a random IP from the DHCP
>> server on vrouter.
>>
>> If I want to:
>> 1.allocate a specific ip to the vm.
>> 2.allocate multiple ips to the vm.
>> 3.change the vm ip from one to another.
>>
>> How can I achieve it? I try to bind the ip to the vm nic manually but the
>> ip can not be accessed.
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-- 
Thanks.
-Jason


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