[ovirt-users] editing VM settting
Fabrice Bacchella
fabrice.bacchella at icloud.com
Tue May 24 15:12:03 UTC 2016
I thinks it's a minor thing, but still puzzling.
A new VM don't have the kernel, initrd and cmdline elements. Once added for a custom boot, if I remove them using the API, there are still here, but empty. If I use, the GUI, they vanished.
Using CLI:
<os type="rhel_7x64">
<boot dev="hd"/>
<boot dev="network"/>
<kernel></kernel>
<initrd></initrd>
<cmdline></cmdline>
</os>
Using GUI:
<os type="rhel_7x64">
<boot dev="hd"/>
<boot dev="network"/>
</os>
Not critical, but strange. Both works
> Le 24 mai 2016 à 13:36, Shmuel Melamud <smelamud at redhat.com <mailto:smelamud at redhat.com>> a écrit :
>
> Hi!
>
> What do you mean under "removing values"? You want <kernel>, <initrd> etc. not to appear in engine response? There is no such thing. There is always some value, empty or non-empty.
>
> Shmuel
>
> On Tue, Apr 12, 2016 at 6:40 PM, Fabrice Bacchella <fabrice.bacchella at orange.fr <mailto:fabrice.bacchella at orange.fr>> wrote:
> I'm trying to change the way a VM is booted, I want an initial setup with kernel, initrd and cmdline given and later removed.
>
> Using the GUI it works fine.
>
> But I have no success using the python API. And running with debug enable, I get this strange result :
>
> > PUT /api/vms/8ced0f81-03fd-415b-a8ef-60141de7eeca HTTP/1.1
> ...
> > <os type="rhel_7x64">
> > <boot dev="hd"/>
> > <boot dev="network"/>
> > </os>
> ...
> < <os type="rhel_7x64">
> < <boot dev="hd"/>
> < <boot dev="network"/>
> < <kernel>.../vmlinuz</kernel>
> < <initrd>.../initrd.img</initrd>
> < <cmdline>....</cmdline>
> < </os>
>
> I got this with:
> os_params = params.OperatingSystem()
> os_params.set_boot(old_os_params.get_boot())
> os_params.set_type(old_os_params.get_type())
> os_params.set_kernel(None)
> os_params.set_initrd(None)
> os_params.set_cmdline(None)
> self.broker.set_os(os_params)
> self.broker.update()
> trying to set kernel and others to empty string is not really better:
> > <os type="rhel_7x64">
> > <boot dev="hd"/>
> > <boot dev="network"/>
> > <kernel></kernel>
> > <initrd></initrd>
> > <cmdline></cmdline>
> > </os>
> ...
> < <os type="rhel_7x64">
> < <boot dev="hd"/>
> < <boot dev="network"/>
> < <kernel></kernel>
> < <initrd></initrd>
> < <cmdline></cmdline>
> < </os>
>
> What kind of "magic values" the engine uses to removes values ?
>
>
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