[openstack-dev] [nova]Nova rescue inject pasword failed

Matthew Booth mbooth at redhat.com
Mon Jan 29 09:57:14 UTC 2018

On 29 January 2018 at 09:27, 李杰 <lijie at unitedstack.com> wrote:

>  Hi,all:
>           I want to access to my instance under rescue state using
> temporary password which nova rescue gave me.But this password doesn't
> work. Can I ask how this password is injected to instance? I can't find any
> specification how is it done.I saw the code about rescue,But it displays
> the password has inject.
>           I use the libvirt as the virt driver. The web said to
> set"[libvirt]inject_password=true",but it didn't work. Is it a bug?Can
> you give me some advice?Help in troubleshooting this issue will be
> appreciated.

Ideally your rescue image will support cloud-init and you would use a
config disk. For password injection to work you need inject_password=True,
inject_partition=-1 (*NOT* -2, which is the default), and for libguestfs to
be correctly installed on your compute hosts.

But to reiterate, ideally your rescue image would support cloud-init and
you would use a config disk.

Matthew Booth
Red Hat OpenStack Engineer, Compute DFG

Phone: +442070094448 (UK)
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