On Mon, Aug 2, 2021 at 11:54 AM Tommy Sway <[email protected]> wrote:
>
> Wouldn't the cloud-init information I configured in the initial run
> properties page of the virtual machine be unnecessary?
In that case - correct. Only the configuration you set in the run-once
will be taken into account when you run it.
>
>
>
>
> -----Original Message-----
> From: Liran Rotenberg <[email protected]>
> Sent: Monday, August 2, 2021 4:33 PM
> To: Tommy Sway <[email protected]>
> Cc: [email protected]
> Subject: Re: [ovirt-users] Re: Question about cloud-init
>
> On Mon, Aug 2, 2021 at 10:22 AM Tommy Sway <[email protected]> wrote:
> >
> > Please note that once the VM booted, the only way to provide the cloud-init
> > payload is by using Run-Once.
> > For a VM that didn't boot, a regular run will work as well.
> >
> >
> > Do you mean that you can use cloud-init for the first normal startup of a
> > virtual machine that has not yet been booted, and then you can't use
> > cloud-init for subsequent normal startup?
>
> Yes. This is for safety from overriding a configuration on future boots.
>
> > Is it possible to use cloud-init with the run-once boot option as long as
> > the virtual machine has already been started?
> Yes, if you set it in run-once the payload will be included to the VM on
> boot, regardless if it booted already or not.
> >
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: [email protected] <[email protected]> On Behalf Of
> > Liran Rotenberg
> > Sent: Sunday, August 1, 2021 3:01 PM
> > To: tommy <[email protected]>
> > Cc: [email protected]
> > Subject: [ovirt-users] Re: Question about cloud-init
> >
> > On Sat, Jul 31, 2021 at 7:09 AM tommy <[email protected]> wrote:
> > >
> > > Hello, I have a question about cloud-init:
> > >
> > > After installing vm, I installed cloud-init immediately, and enabled its
> > > four services, and then I can use cloud-init in the admin interface.
> > >
> > >
> > >
> > > However, I don't know how cloud-init knows where to get the relevant
> > > information (such as host name, SSH secret key, etc.) that I configured
> > > on the admin interface ? For I haven't configured the data source for
> > > cloud-init.
> >
> > Hi,
> > The relevant information comes as a payload to the VM, a CD-ROM containing
> > the data source.
> > >
> > > Why it can works ?
> > >
> > Cloud-init detects the data source and configures the OS.
> > Please note that once the VM booted, the only way to provide the cloud-init
> > payload is by using Run-Once.
> > For a VM that didn't boot, a regular run will work as well.
> >
> > Regards,
> > Liran
> > >
> > >
> > > Thanks!
> > >
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