<div class="xam_msg_class">
<div style="font: normal 13px Arial; color:rgb(31, 28, 27);">many thanks Juan it works!<br><br>best regards<br>a<br><br><br>
<div><span style="font-family:Arial; font-size:11px; color:#5F5F5F;">Da</span><span style="font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: "Juan Hernandez" jhernand@redhat.com</span></div>
<div><span style="font-family:Arial; font-size:11px; color:#5F5F5F;">A</span><span style="font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: "Amedeo Salvati" amedeo@oscert.net, users@ovirt.org</span></div>
<div><span style="font-family:Arial; font-size:11px; color:#5F5F5F;">Cc</span><span style="font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: </span></div>
<div><span style="font-family:Arial; font-size:11px; color:#5F5F5F;">Data</span><span style="font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: Tue, 22 Jul 2014 15:32:45 +0200</span></div>
<div><span style="font-family:Arial; font-size:11px; color:#5F5F5F;">Oggetto</span><span style="font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: Re: [ovirt-users] cloud-init options under python-sdk</span></div>
<br>
<div>> On 07/22/2014 02:55 PM, Amedeo Salvati wrote:</div><div>> > hi Juan|guys,</div><div>> > </div><div>> > thanks for hints! but unfortunatly it seems wont works, because I've</div><div>> > launched vm with this simple code:</div><div>> > </div><div>> > action =</div><div>> > params.Action(vm=params.VM(initialization=params.Initialization(cloud_init=params.CloudInit(host=params.Host(name="rheltest014")))))</div><div>> > vm.start( action )</div><div>> > </div><div>> > but after boot the VM, cloud-init service hasn't set hostname and on</div><div>> > cloud-init.log and cloud-init-output.log I cannot find any entry for</div><div>> > setting hostname, instead if I use web ui it work's fine...</div><div>> > </div><div>> > there are any ways to debug cloud-init jobs?</div><div>> > the params params.Host is right for CloudInit host or is intended for</div><div>> > host / hypervisor?</div><div>> > </div><div>> > Best regards</div><div>> > Amedeo Salvati</div><div>> > </div><div>> </div><div>> To change the hostname you have to use the "address" property of the</div><div>> "Host" class:</div><div>> </div><div>> host=params.Host(</div><div>> address="myhostname.example.com"</div><div>> )</div><div>> </div><div>> The "Host" class is used for many things, including CloudInit and</div><div>> hypervisors. But in this context it is just a container for the host name.</div><div>> </div><div>> To debug cloud-init start the VM (with the GUI or with the RESTAPI),</div><div>> then go to the hypervisor where it is actually running, and look for the</div><div>> corresponding qemu-kvm process:</div><div>> </div><div>> # ps -ef | grep qemu-kvm | grep myvm</div><div>> </div><div>> The qemu-kvm command line will have a parameter indicating the file that</div><div>> contains the cloud-init data:</div><div>> </div><div>> -drive file=/var/run/vdsm/payload/...img</div><div>> </div><div>> Copy that file somewhere, then mount it and inspect the content:</div><div>> </div><div>> # cp /var/run/vdsm/payload/...img /tmp/my.img</div><div>> # mount -o loop,ro /tmp/my.img /mnt</div><div>> # find /mnt</div><div>> ...</div><div>> # umount /mnt</div><div>> </div><div>> </div><div>> > Da: "Juan Hernandez" jhernand@redhat.com</div><div>> > A: "Amedeo Salvati" amedeo@oscert.net, users@ovirt.org</div><div>> > Cc:</div><div>> > Data: Tue, 22 Jul 2014 12:21:01 +0200</div><div>> > Oggetto: Re: [ovirt-users] cloud-init options under python-sdk</div><div>> > </div><div>> >> On 07/22/2014 11:48 AM, Amedeo Salvati wrote:</div><div>> >> > hello guys!</div><div>> >> ></div><div>> >> > I'm writing some python code to start VMs, and based on operating system</div><div>> >> > (at this moment centos6 nad centos7), I would like to use cloud-init</div><div>> >> > options (available on web ui at run-once) to start them and resetting</div><div>> >> > root password, change hostname and write some configuration files by</div><div>> >> > using yaml semantics, but at this moment I was unable to find a way to</div><div>> >> > do it...</div><div>> >> ></div><div>> >> > somebody know a way (or could send me some hints) using python-sdk to</div><div>> >> > start A VM and pass to it cloud-init options?</div><div>> >> ></div><div>> >> > e.g. the portion of code I would like to change is vm.start() under</div><div>> > rhel6|7:</div><div>> >> ></div><div>> >> > try:</div><div>> >> > osVersion = vm.get_os().get_type()</div><div>> >> > if (osVersion == "rhel_6x64" or osVersion == "rhel_6" or</div><div>> >> > osVersion == "rhel_7x64") and CLOUDINIT == "yes":</div><div>> >> > print "Starting VM: " + vm.name + " with cloud-init</div><div>> >> > options"</div><div>> >> > ----> vm.start() <---------- > else:</div><div>> >> > print "Starting VM " + vm.name</div><div>> >> > vm.start()</div><div>> >> > while vmstat != 'down':</div><div>> >> > sleep(1)</div><div>> >> > vmstat = vm.get_status().state</div><div>> >> > except Exception, err:</div><div>> >> > print "Error on starting VM"</div><div>> >> > print err</div><div>> >> ></div><div>> >> ></div><div>> >> > Best regards</div><div>> >> > Amedeo Salvati</div><div>> >> ></div><div>> >></div><div>> >> It should be something like this:</div><div>> >></div><div>> >> from ovirtsdk.xml import params</div><div>> >></div><div>> >> action = params.Action(</div><div>> >> vm=params.VM(</div><div>> >> initialization=params.Initialization(</div><div>> >> cloud_init=params.CloudInit(</div><div>> >> host=params.Host(</div><div>> >> name="myvm"</div><div>> >> ),</div><div>> >> users=...,</div><div>> >> files=...,</div><div>> >> ...</div><div>> >> )</div><div>> >> )</div><div>> >> )</div><div>> >> )</div><div>> >></div><div>> >> vm.start(action)</div><div>> >></div><div>> >></div><div>> >> --</div><div>> >> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta</div><div>> >> 3ºD, 28016 Madrid, Spain</div><div>> >> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.</div><div>> </div><div>> </div><div>> -- </div><div>> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta</div><div>> 3ºD, 28016 Madrid, Spain</div><div>> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.</div></div>
</div>