Hi Andrei, 

on mist.io we use a configuration like this: 


<domain type='%s'>
  <name>%s</name>
  <memory>%s</memory>
  <vcpu>%s</vcpu>
  <os>
   <type arch='x86_64'>hvm</type>
    <boot dev='hd'/>
    <boot dev='cdrom'/>
  </os>
 <features>

...


basically instruct the hd as the first device to boot, so when hd is empty the cdrom will boot and after an OS is installed it will boot from hd. 

Hope this helps


On Fri, Jan 8, 2016 at 3:10 PM, Andrei Perietanu <andrei.perietanu@klastelecom.com> wrote:
Hi all,
I have the following issue, and I hope someone know a way to handle it.

I need to grammatically  need to create/install a guest OS using the libvirt API.
Currently what I do:
 1. create a xml with the vm configuration (this will include a path to the iso image)
 2. connection.defineXML(<my_config>)
 3. vm = connection.lookupByName(<domain_name>)
 4. vm.create()

This will create a new guest and boot the iso to install the OS. But after installation, when I restart, It again boots from the cdrom. So obviously I need remove the cdrom somehow.

I could edit the xml and manually remove the cdrom, but the problem here is how do I know when to do that - i.e. how do I know if the OS has been installed or not?

If I use virsh-install to create a guest with the same configuration, after the OS is installed, the cdrom is automatically removed form the guest configuration.
 

Any help is greatly appreciated.

Andrei

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