simplify build spec

Author: sjpb

.github/workflows/nightlybuild.yml

@@ -17,31 +17,28 @@ jobs:
   openstack:
     name: openstack-imagebuild
     concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.source_image.name }}-${{ matrix.inventory_groups.label }} # to branch/PR + OS + build
+      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.builds.label }}
       cancel-in-progress: true
     runs-on: ubuntu-22.04
     strategy:
       fail-fast: false # allow other matrix jobs to continue even if one fails
       matrix:
-        source_image:
-          - label: RL8
-            name: Rocky-8-GenericCloud-Base-8.9-20231119.0.x86_64.qcow2
-          - label: RL9
-            name: Rocky-9-GenericCloud-Base-9.4-20240523.0.x86_64.qcow2
-        inventory_groups:
-          - label: ofed
-            list: 'update,ofed'
-          - label: cuda
-            list: 'update,ofed,cuda'
-        exclude:
-          - source_image: {label: RL8}
-            inventory_groups: {label: cuda}
+        builds:
+          - label: RL8-ofed
+            source_image_name: Rocky-8-GenericCloud-Base-8.9-20231119.0.x86_64.qcow2
+            inventory_groups: 'update,ofed'
+          - label: RL9-ofed
+            source_image_name: Rocky-9-GenericCloud-Base-9.4-20240523.0.x86_64.qcow2
+            inventory_groups: 'update,ofed'
+          - label: RL9-cuda
+            source_image_name: Rocky-9-GenericCloud-Base-9.4-20240523.0.x86_64.qcow2
+            inventory_groups: 'update,ofed,cuda'
     env:
       ANSIBLE_FORCE_COLOR: True
       OS_CLOUD: openstack
       CI_CLOUD: ${{ github.event.inputs.ci_cloud || vars.CI_CLOUD }}
       # set the image suffix to -latest for cron jobs or a branch name if manually-triggered
-      IMAGE_NAME_SUFFIX: ${{ github.event_name == 'schedule' && 'latest' || github.ref_name	}}
+      IMAGE_SUFFIX: ${{ github.event_name == 'schedule' && 'latest' || github.ref_name	}}
 
     steps:
       - uses: actions/checkout@v2
@@ -88,14 +85,13 @@ jobs:
           packer build \
           -on-error=${{ vars.PACKER_ON_ERROR }} \
           -var-file=$PKR_VAR_environment_root/${{ env.CI_CLOUD }}.pkrvars.hcl \
-          -var source_image_name=${{ matrix.source_image.name }} \
-          -var image_name=rocky-${{ matrix.source_image.label }}-${{ matrix.inventory_groups.label }} \
-          -var image_name_suffix=${{ env.IMAGE_NAME_SUFFIX }} \
-          -var inventory_groups=${{ matrix.inventory_groups.list }} \
+          -var source_image_name=${{ matrix.source_image_name }} \
+          -var image_name=${{ matrix.label }} \
+          -var image_version=${{ env.IMAGE_SUFFIX }} \
+          -var inventory_groups=${{ matrix.inventory_groups }} \
           openstack.pkr.hcl
         env:
           PACKER_LOG: '1'
-          
 
       - name: Get created image names from manifest
         id: manifest

packer/openstack.pkr.hcl

@@ -23,7 +23,7 @@ data "git-commit" "cwd-head" { }
 locals {
     git_commit = data.git-commit.cwd-head.hash
     timestamp = formatdate("YYMMDD-hhmm", timestamp())
-    image_name_suffix = var.image_name_suffix == "" ? "${local.timestamp}-${substr(local.git_commit, 0, 8)}" : var.image_name_suffix
+    image_version = var.image_version == "" ? "${local.timestamp}-${substr(local.git_commit, 0, 8)}" : var.image_version
 }
 
 # Path pointing to root of repository - automatically set by environment variable PKR_VAR_repo_root
@@ -140,7 +140,7 @@ variable "metadata" {
 variable "inventory_groups" {
   type = string
   description = "comma-separated list of inventory groups, in addition to 'builder'"
-  default = ''
+  default = ""
 }
 
 # variable "groups" {
@@ -161,7 +161,7 @@ variable "image_name" {
   default = "openhpc"
 }
 
-variable "image_name_suffix" {
+variable "image_version" {
   type = string
   description = "Suffix for built image names. If not supplied a timestamp+git commit is used"
   default = ""
@@ -202,7 +202,7 @@ build {
 
   source "source.openstack.openhpc" {
     name = "rocky-latest"
-    image_name = "${var.image_name}-${local.image_name_suffix}"
+    image_name = "${var.image_name}-${local.image_version}"
   }
 
   provisioner "ansible" {