GPU - acceleratorType

[kerry...@omniversetv.com]

Hello,

This might be a bug, but I thought I'd post here before putting it on GitHub, just in case I'm doing something wrong.

According the docs, the accelerator_type just needs to include part of the type URL:

accelerator_type (string) - Full or partial URL of the guest accelerator type. GPU accelerators can only be used with"on_host_maintenance": "TERMINATE" option set. Example: "projects/project_id/zones/europe-west1-b/acceleratorTypes/nvidia-tesla-k80"

Below is my packer.json file. This one fails with the error below.

{
  "builders": [{
    "type": "googlecompute",
    "project_id": "project-78689",
    "zone": "us-east1-c",
    "source_image_family": "ubuntu-1804-lts",
    "ssh_username": "packer",
    "image_name": "wowza-gpu-{{timestamp}}",
    "on_host_maintenance": "TERMINATE",
    "accelerator_type": "nvidia-tesla-k80",
    "accelerator_count": 1
  }],
}

==> googlecompute: Error creating instance: googleapi: Error 400: Invalid value for field 'resource.guestAccelerators[0].acceleratorType': 'nvidia-tesla-k80'. The URL is malformed., invalid
Build 'googlecompute' errored: Error creating instance: googleapi: Error 400: Invalid value for field 'resource.guestAccelerators[0].acceleratorType': 'nvidia-tesla-k80'. The URL is malformed., invalid

If I modify the packer.json file to include the full URL for the GPU, it builds properly.

{
  "builders": [{
    "type": "googlecompute",
    "project_id": "project-78689",
    "zone": "us-east1-c",
    "source_image_family": "ubuntu-1804-lts",
    "ssh_username": "packer",
    "image_name": "wowza-gpu-{{timestamp}}",
    "on_host_maintenance": "TERMINATE",
    "accelerator_type": "https://www.googleapis.com/compute/v1/projects/project-78689/zones/us-east1-c/acceleratorTypes/nvidia-tesla-k80",
    "accelerator_count": 1
  }],
}

Am I missing something, or is this a bug I should report on GitHub?  I've tried multiple regions and zones, all of which include the GPU I'm trying to use and all fail with the same error.

Kerry

[Rickard von Essen]

I believe a partial should be longer, probably like:

zones/us-east1-c/acceleratorTypes/nvidia-tesla-k80

See examples under sourceInstanceTemplate on https://cloud.google.com/compute/docs/reference/rest/v1/instances/insert

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[kerry...@omniversetv.com]

Rickard,

You are correct.  Thank you. 

Kerry