build: Add virt-install steps

.gitea/workflows/actions.yaml

@@ -50,25 +50,52 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
+      - name: Create folder structure
+        run: |
+          mkdir -p \
+            ubuntu-vm
       - name: Generate seed ISO
-        shell: bash
         run: |
           apt-get update && \
           apt-get install -y \
             genisoimage
 
-          sed 's|__ROOT_HASHED_PASSWORD__|${{ secrets.ROOT_HASHED_PASSWORD }}|g' \
-            cloud-init/user-data.template > cloud-init/user-data
-          sed 's|__PUBLIC_SSHKEY__|${{ secrets.PUBLIC_SSHKEY }}|g' \
-            cloud-init/user-data.template > cloud-init/user-data
+          envsubst < cloud-init/user-data.template > cloud-init/user-data
 
           genisoimage \
-            -output seed.iso \
+            -output ubuntu-vm/seed.iso \
             -volid cidata \
             -joliet \
             -rock \
             cloud-init/meta-data cloud-init/user-data
 
+          ls -lash ubuntu-vm
+        env:
+          ROOT_HASHED_PASSWORD: ${{ secrets.ROOT_HASHED_PASSWORD }}
+          PUBLIC_SSHKEY: ${{ secrets.PUBLIC_SSHKEY }}
+      - name: Download Ubuntu ISO
+        run: |
+          if [ ! -f ubuntu-vm/ubuntu-24.04.iso ]; then
+            curl -L -o ubuntu-vm/ubuntu-24.04.iso https://releases.ubuntu.com/24.04/ubuntu-24.04.2-desktop-amd64.iso
+          fi
+      - name: Create empty QCOW2 disk
+        run: |
+          qemu-img create -f qcow2 ubuntu-vm/ubuntu.qcow2 10G
+      - name: Run virt-install
+        run: |
+          virt-install \
+            --name ubuntu-harvester \
+            --ram 2048 \
+            --vcpus 2 \
+            --disk path=ubuntu-vm/ubuntu.qcow2,size=10,format=qcow2 \
+            --disk path=ubuntu-vm/seed.iso,device=cdrom \
+            --cdrom ubuntu-vm/ubuntu-24.04.iso \
+            --os-variant ubuntu24.04 \
+            --graphics none \
+            --network network=default \
+            --noautoconsole \
+            --wait -1
+
   # semrel:
   #   name: Semantic Release
   #   runs-on: ubuntu-latest

cloud-init/user-data.template

@@ -18,11 +18,10 @@ runcmd:
 disable_root: false
 users:
   - name: root
-    hashed_passwd: __ROOT_HASHED_PASSWORD__
+    hashed_passwd: ${ROOT_HASHED_PASSWORD}
     lock_passwd: false
     shell: /bin/bash
     ssh_authorized_keys:
-      - __PUBLIC_SSHKEY__
+      - ${PUBLIC_SSHKEY}
 ssh_authorized_keys:
-  - >
-    __PUBLIC_SSHKEY__
+  - ${PUBLIC_SSHKEY}