[ovirt-users] cloud-init options under python-sdk
Amedeo Salvati
amedeo at oscert.net
Wed Jul 23 14:00:38 UTC 2014
thanks!
best regards
a
Da: "Juan Hernandez" jhernand at redhat.com
A: "Amedeo Salvati" amedeo at oscert.net, users at ovirt.org
Cc:
Data: Wed, 23 Jul 2014 14:44:57 +0200
Oggetto: Re: [ovirt-users] cloud-init options under python-sdk
> On 07/23/2014 02:39 PM, Amedeo Salvati wrote:
> > hello Juan|guys,
> >
> > I still have problems with cloud-init options on python-sdk... now I'm
> > trying to reset root password and according to xml available at
> > http://www.ovirt.org/Features/Cloud-Init_Integration and specifically
> > for user/pw:
> >
> > ...
> >
> >
> > root
> > myPass
> >
> >
> > ...
> >
> > I've changed action object with this example:
> >
> > action = params.Action(
> > vm=params.VM(
> > initialization=params.Initialization(
> > cloud_init=params.CloudInit(
> > host=params.Host(address="rheltest025"),
> > users=params.Users(
> >
> > user=params.User(user_name="root", password="pippo")
>
> Try to use a list here:
>
> user=[parms.User(...)]
>
> > )
> > )
> > )
> > )
> > )
> >
> > but when i try to start a vm I got this error: "TypeError: 'User' object
> > is not iterable"
> >
> > somebody has some hints for resetting root password?
> >
> > Best regards
> > Amedeo Salvati
> >
> >
> > Da: "Amedeo Salvati" amedeo at oscert.net
> > A: jhernand at redhat.com
> > Cc: users at ovirt.org
> > Data: Tue, 22 Jul 2014 15:50:58 +0200
> > Oggetto: Re: [ovirt-users] cloud-init options under python-sdk
> >
> >> many thanks Juan it works!
> >
> >> best regards
> >> a
> >
> >
> >> Da: "Juan Hernandez" jhernand at redhat.com
> >> A: "Amedeo Salvati" amedeo at oscert.net, users at ovirt.org
> >> Cc:
> >> Data: Tue, 22 Jul 2014 15:32:45 +0200
> >> Oggetto: Re: [ovirt-users] cloud-init options under python-sdk
> >
> >> > On 07/22/2014 02:55 PM, Amedeo Salvati wrote:
> >> > > hi Juan|guys,
> >> > >
> >> > > thanks for hints! but unfortunatly it seems wont works, because I've
> >> > > launched vm with this simple code:
> >> > >
> >> > > action =
> >> > >
> > params.Action(vm=params.VM(initialization=params.Initialization(cloud_init=params.CloudInit(host=params.Host(name="rheltest014")))))
> >> > > vm.start( action )
> >> > >
> >> > > but after boot the VM, cloud-init service hasn't set hostname and on
> >> > > cloud-init.log and cloud-init-output.log I cannot find any entry for
> >> > > setting hostname, instead if I use web ui it work's fine...
> >> > >
> >> > > there are any ways to debug cloud-init jobs?
> >> > > the params params.Host is right for CloudInit host or is intended for
> >> > > host / hypervisor?
> >> > >
> >> > > Best regards
> >> > > Amedeo Salvati
> >> > >
> >> >
> >> > To change the hostname you have to use the "address" property of the
> >> > "Host" class:
> >> >
> >> > host=params.Host(
> >> > address="myhostname.example.com"
> >> > )
> >> >
> >> > The "Host" class is used for many things, including CloudInit and
> >> > hypervisors. But in this context it is just a container for the host
> > name.
> >> >
> >> > To debug cloud-init start the VM (with the GUI or with the RESTAPI),
> >> > then go to the hypervisor where it is actually running, and look for the
> >> > corresponding qemu-kvm process:
> >> >
> >> > # ps -ef | grep qemu-kvm | grep myvm
> >> >
> >> > The qemu-kvm command line will have a parameter indicating the file that
> >> > contains the cloud-init data:
> >> >
> >> > -drive file=/var/run/vdsm/payload/...img
> >> >
> >> > Copy that file somewhere, then mount it and inspect the content:
> >> >
> >> > # cp /var/run/vdsm/payload/...img /tmp/my.img
> >> > # mount -o loop,ro /tmp/my.img /mnt
> >> > # find /mnt
> >> > ...
> >> > # umount /mnt
> >> >
> >> >
> >> > > Da: "Juan Hernandez" jhernand at redhat.com
> >> > > A: "Amedeo Salvati" amedeo at oscert.net, users at ovirt.org
> >> > > Cc:
> >> > > Data: Tue, 22 Jul 2014 12:21:01 +0200
> >> > > Oggetto: Re: [ovirt-users] cloud-init options under python-sdk
> >> > >
> >> > >> On 07/22/2014 11:48 AM, Amedeo Salvati wrote:
> >> > >> > hello guys!
> >> > >> >
> >> > >> > I'm writing some python code to start VMs, and based on
> > operating system
> >> > >> > (at this moment centos6 nad centos7), I would like to use
> > cloud-init
> >> > >> > options (available on web ui at run-once) to start them and
> > resetting
> >> > >> > root password, change hostname and write some configuration
> > files by
> >> > >> > using yaml semantics, but at this moment I was unable to find a
> > way to
> >> > >> > do it...
> >> > >> >
> >> > >> > somebody know a way (or could send me some hints) using
> > python-sdk to
> >> > >> > start A VM and pass to it cloud-init options?
> >> > >> >
> >> > >> > e.g. the portion of code I would like to change is vm.start() under
> >> > > rhel6|7:
> >> > >> >
> >> > >> > try:
> >> > >> > osVersion = vm.get_os().get_type()
> >> > >> > if (osVersion == "rhel_6x64" or osVersion == "rhel_6" or
> >> > >> > osVersion == "rhel_7x64") and CLOUDINIT == "yes":
> >> > >> > print "Starting VM: " + vm.name + " with cloud-init
> >> > >> > options"
> >> > >> > ----> vm.start() <---------- > else:
> >> > >> > print "Starting VM " + vm.name
> >> > >> > vm.start()
> >> > >> > while vmstat != 'down':
> >> > >> > sleep(1)
> >> > >> > vmstat = vm.get_status().state
> >> > >> > except Exception, err:
> >> > >> > print "Error on starting VM"
> >> > >> > print err
> >> > >> >
> >> > >> >
> >> > >> > Best regards
> >> > >> > Amedeo Salvati
> >> > >> >
> >> > >>
> >> > >> It should be something like this:
> >> > >>
> >> > >> from ovirtsdk.xml import params
> >> > >>
> >> > >> action = params.Action(
> >> > >> vm=params.VM(
> >> > >> initialization=params.Initialization(
> >> > >> cloud_init=params.CloudInit(
> >> > >> host=params.Host(
> >> > >> name="myvm"
> >> > >> ),
> >> > >> users=...,
> >> > >> files=...,
> >> > >> ...
> >> > >> )
> >> > >> )
> >> > >> )
> >> > >> )
> >> > >>
> >> > >> vm.start(action)
> >> > >>
> >> > >>
> >> > >> --
> >> > >> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
> >> > >> 3ºD, 28016 Madrid, Spain
> >> > >> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red
> > Hat S.L.
> >> >
> >> >
> >> > --
> >> > Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
> >> > 3ºD, 28016 Madrid, Spain
> >> > Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat
> > S.L.
>
>
> --
> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
> 3ºD, 28016 Madrid, Spain
> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.
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