[Openstack] Protest against Glance V2 usability, it is worse than V1! Bring back "--location to image-create"! Or am I missing something here?

Jeremy Hanmer jeremy at dreamhost.com
Sat Feb 20 02:42:01 UTC 2016


You can trivially pre-generate a UUID (via uuidgen or similar) to
create your image with a known UUID if that's sufficient for you.

$UUID=$(uuidgen)
glance image-create --id $UUID ...

On Fri, Feb 19, 2016 at 6:17 PM, Martinx - ジェームズ
<thiagocmartinsc at gmail.com> wrote:
> Guys,
>
>  I want to formalize my protest against Glance V2 usability.
>
>  With Glance V1, you can straight away, add an image based on its remote URL
> location, then, Glance will download the image ONLY when someone launch it.
>
>  This is very cool and I can add, easily and automatically by Ansible, for
> example, dozens of images at once, right after deploying OpenStack.
>
>  However, this is much worse now, when with Glance V2, as follows:
>
> -----
> *** Glance V1 procedure:
>
>  1) Add an image and its remote location at once:
>
>  glance image-create --location
> http://cdimage.debian.org/cdimage/openstack/8.3.0/debian-8.3.0-openstack-amd64.qcow2
> --is-public true --name "Debian 8.3.0 - Jessie - 64-bit - Cloud Based Image"
> --container-format bare --disk-format qcow2
>
>  See it? Glance V1 is awesome!
>
> --
>
> *** Glance V2 procedure:
>
>  1) Add an Image WITHOUT a location:
>
>  glance image-create --visibility public --name \"Debian 8.3.0 - Jessie -
> 64-bit - Cloud Based Image\" --container-format bare --disk-format qcow2
>
>  2) Look (or parse somehow) the stdout, copy to clipboad the Image ID.
>
>  3) Add the location of the image:
>
>  glance location-add --url
> http://cdimage.debian.org/cdimage/openstack/8.3.0/debian-8.3.0-openstack-amd64.qcow2
> $PASTE_IMAGE_ID
>
>  See it? Glance V2 sucks.
> -----
>
>  It is more complicated now, specially to automate this with Ansible or
> other tool! Because there is a need to parser the stdout of step "1" and
> store the Image ID somewhere (like a variable), and then, add the remote
> location URL for the image.
>
>  Please guys, do something about this!
>
>  NOTE: I will be happy to be wrong here, let me know if I am missing
> something.
>
>  I believe that, if the "glance location-add" starts to accept "image name"
> (instead of only ID), it will make the automation easier, because the name
> is predictable, and the ID is random. Or, if someone tells me how to
> auto-generate random IDs for OpenStack, so it will be predictable (I'll be
> able to use auto-genarated ID with "image-create", I believe), then, it will
> also make the automation easier, I'll be okay with that too!
>
>  Thanks in advance!
>
> Regards,
> Thiago
>
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