Add alternative images to slice_basic_middle_vnf

slice_basic_middle_vnf/slice_basic_middle_vnfd.yaml

@@ -31,6 +31,14 @@ vnfd:
   - id: ubuntu18.04
     image: ubuntu18.04
     name: ubuntu18.04
+  - id: ubuntu18.04-aws
+    name: ubuntu18.04-aws
+    image: ubuntu/images/hvm-ssd/ubuntu-artful-17.10-amd64-server-20180509
+    vim-type: aws
+  - id: ubuntu18.04-azure
+    name: ubuntu18.04-azure
+    image: Canonical:UbuntuServer:18.04-LTS:latest
+    vim-type: azure
   vdu:
   - cloud-init-file: cloud-config.txt
     description: ubuntu_slice-VM
@@ -59,6 +67,9 @@ vnfd:
           vpci: 0000:00:0a.0
     name: ubuntu_slice-VM
     sw-image-desc: ubuntu18.04
+    alternative-sw-image-desc:
+    - ubuntu18.04-aws
+    - ubuntu18.04-azure
     virtual-compute-desc: ubuntu_slice-VM-compute
     virtual-storage-desc:
     - ubuntu_slice-VM-storage