how to fix the issue caused by the deprecated api of OpenStack.

[Edward Lee]

Hi, all:

I am new to packer, I am not sure whether this is the right place to get help. please let know if I miss something.

when I was trying to build my private image via packer, I got the following error message:

==> openstack: Discovering enabled extensions...

Build 'openstack' errored: Error loading extensions: Resource not found

after tracing the log, I found that it called the Nova extensions API which is a deprecated api in OpenStack community. that's the reason why printing the above message.  you can check the api status here:

https://developer.openstack.org/api-ref/compute/

I copy the description from the website: 

"the entire extensions concept is deprecated, and will be removed in the near future"

the relative parts where it works in packer:

https://github.com/hashicorp/packer/blob/master/builder/openstack/builder.go#L73

https://github.com/hashicorp/packer/blob/master/builder/openstack/step_stop_server.go#L17  line 17 ,line 21~line 24

it seems these calls is not a necessary part(please let me know if something i missed). I wonder whether this parts of call could be removed from the repository? is that used for other cases?  or is there any other better way to solve this?

any answer will be appreciated. thanks very much.

[Rickard von Essen]

I think you are correct on all points.

I think the best way to solve this is to open an issue on github and gather relevant facts (as you already started to do). Most important is to reference in which OS version this was dropped and figuring out if there is any non EOL version of OS that needs the extension support in Packer. If there is non it should be easy to remove it completely as you suggest.

// Rickard

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[Edward Lee]

hi, Rickard:

thanks very much. it's quite helpful to me. I will open the issue on github as soon as possible.

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