Validate inputs to github workflows

.github/workflows/overcloud-host-image-build.yml

@@ -32,6 +32,13 @@ jobs:
     runs-on: arc-skc-host-image-builder-runner
     permissions: {}
     steps:
+      - name: Validate inputs
+        run: |
+          if [[ ${{ inputs.rocky9 }} == 'false' && ${{ inputs.ubuntu-jammy }} == 'false' ]]; then
+            echo "At least one distribution must be selected"
+            exit 1
+          fi
+
       - name: Install Package
         uses: ConorMacBride/install-package@main
         with:

.github/workflows/overcloud-host-image-promote.yml

@@ -23,6 +23,13 @@ jobs:
     if: github.repository == 'stackhpc/stackhpc-kayobe-config'
     runs-on: ubuntu-22.04
     steps:
+      - name: Validate inputs
+        run: |
+          if [[ ${{ inputs.rocky9 }} == 'false' && ${{ inputs.ubuntu-jammy }} == 'false' ]]; then
+            echo "At least one distribution must be selected"
+            exit 1
+          fi
+
       - uses: actions/checkout@v4
         with:
           path: src/kayobe-config

.github/workflows/overcloud-host-image-upload.yml

@@ -34,6 +34,13 @@ jobs:
     runs-on: arc-skc-host-image-builder-runner
     permissions: {}
     steps:
+      - name: Validate inputs
+        run: |
+          if [[ ${{ inputs.rocky9 }} == 'false' && ${{ inputs.ubuntu-jammy }} == 'false' ]]; then
+            echo "At least one distribution must be selected"
+            exit 1
+          fi
+
       - name: Install package dependencies
         run: |
           sudo apt update

.github/workflows/stackhpc-container-image-build.yml

@@ -9,12 +9,12 @@ on:
         required: false
         default: ""
       overcloud:
-        description: Build overcloud images?
+        description: Build container images for overcloud services?
         type: boolean
         required: false
         default: true
       seed:
-        description: Build seed images?
+        description: Build container images for seed services?
         type: boolean
         required: false
         default: false
@@ -52,6 +52,17 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
       openstack_release: ${{ steps.openstack_release.outputs.openstack_release }}
     steps:
+      - name: Validate inputs
+        run: |
+          if [[ ${{ inputs.rocky-linux-9 }} == 'false' && ${{ inputs.ubuntu-jammy }} == 'false' ]]; then
+            echo "At least one distribution must be selected"
+            exit 1
+          fi
+          if [[ ${{ inputs.overcloud }} == 'false' && ${{ inputs.seed }} == 'false' ]]; then
+            echo "At least one of overcloud or seed must be selected"
+            exit 1
+          fi
+
       - name: Checkout
         uses: actions/checkout@v4