Test if upload as raw from volume is quicker

Author: JohnGarbutt

.github/workflows/extra.yml

@@ -121,7 +121,7 @@ jobs:
       - name: Make image usable for further builds
         run: |
           . venv/bin/activate
-          openstack image unset --property signature_verified "${{ steps.manifest.outputs.image-id }}"
+          openstack image unset --property signature_verified "${{ steps.manifest.outputs.image-id }}" || true
 
       - name: Delete image for automatically-run workflows
         run: |

.github/workflows/fatimage.yml

@@ -102,7 +102,7 @@ jobs:
       - name: Make image usable for further builds
         run: |
           . venv/bin/activate
-          openstack image unset --property signature_verified "${{ steps.manifest.outputs.image-id }}"
+          openstack image unset --property signature_verified "${{ steps.manifest.outputs.image-id }}" || true
 
       - name: Upload manifest artifact
         uses: actions/upload-artifact@v4

packer/openstack.pkr.hcl

@@ -178,7 +178,7 @@ source "openstack" "openhpc" {
   ssh_bastion_private_key_file = var.ssh_bastion_private_key_file
 
   # Output image:
-  image_disk_format = "qcow2"
+  image_disk_format = "raw"
   image_visibility = var.image_visibility
 
 }