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Hi Wangpan,

Injecting admin password is not implemented or supported in libvirt/kvm.  I
believe only Xen supports it.

Regards,
Thang


On Tue, Jun 24, 2014 at 11:36 PM, Wangpan <hzwangpan at corp.netease.com>
wrote:

>   Hi all,
>
> I want to inject admin password to a libvirt/kvm instance, and I enable
> the config libvirt_inject_password=true on the compute node,
> I also find the /etc/shadow file in the instance is changed, but when I
> use the adminPass to login the instance from vnc, it is failed.
> I find that the admin password is encrypted in
> nova/virt/disk/api.py:_set_password() method,
> evenif I encrypt my adminPass and replace the root password in
> /etc/shadow manually, I can't login the instance with vnc.
>
> My questions are:
> 1) Does this admin password injection function of libvirt driver useable?
> In other words, my issue is a bug or not?
> 2) Are there some special details I was losing sight of? such as any
> configs should change?
> 3) Is this function depends on the libc version?
>
> BTW, I'm using stable havana and booting a debian7 instance, and this is
> the admin guide page of this function:
>
> http://docs.openstack.org/admin-guide-cloud/content/admin-password-injection.html
>
> thanks!
>
> 2014-06-25 11:16 (UTC+8)
> Wangpan
>
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