[ovirt-users] Re: Question about cloud-init

Wouldn't the cloud-init information I configured in the initial run properties page of the virtual machine be unnecessary?

-----Original Message----- From: Liran Rotenberg <lrotenbe(a)redhat.com&gt; Sent: Monday, August 2, 2021 4:33 PM To: Tommy Sway <sz_cuitao(a)163.com&gt; Cc: users(a)ovirt.org Subject: Re: [ovirt-users] Re: Question about cloud-init On Mon, Aug 2, 2021 at 10:22 AM Tommy Sway <sz_cuitao(a)163.com&gt; 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: users-bounces(a)ovirt.org <users-bounces(a)ovirt.org&gt; On Behalf Of > Liran Rotenberg > Sent: Sunday, August 1, 2021 3:01 PM > To: tommy <sz_cuitao(a)163.com&gt; > Cc: users(a)ovirt.org > Subject: [ovirt-users] Re: Question about cloud-init > > On Sat, Jul 31, 2021 at 7:09 AM tommy <sz_cuitao(a)163.com&gt; 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! > > > > _______________________________________________ > > Users mailing list -- users(a)ovirt.org To unsubscribe send an email > > to users-leave(a)ovirt.org Privacy > > Statement: https://www.ovirt.org/privacy-policy.html > > oVirt Code of Conduct: > > https://www.ovirt.org/community/about/community-guidelines/ > > List Archives: > > https://lists.ovirt.org/archives/list/users@ovirt.org/message/O5NKQO > > 56 > > 42X3WYES3QQBSSDZUQN6N5XX/ > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org Privacy > Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/NVP4IUIN > 7NQDI5OVN6NRKJQYQBMJ7M77/ > >