Virtual PC Descriptor

A simple descriptor that uses a native charm to launch a clean
Ubuntu base image and layer a graphical desktop environment
and RDP server on top.

Signed-off-by: beierlm <mark.beierl@canonical.com>

hackfest_virtual-pc_vnfd/cloud_init/virtual-pc_init

+#cloud-config
+password: osm2020
+chpasswd: { expire: False }
+ssh_pwauth: True

hackfest_virtual-pc_vnfd/magma-agw-enb_vnfd.yaml

+vnfd:
+  description: Virtual Desktop Computer with Xubuntu Desktop and RDP
+  df:
+  - id: default-df
+    instantiation-level:
+    - id: default-instantiation-level
+      vdu-level:
+      - number-of-instances: 1
+        vdu-id: virtual-pc
+    vdu-profile:
+    - id: virtual-pd
+      min-number-of-instances: 1
+      vdu-configuration-id: virtual-pc-vdu-configuration
+    vnf-configuration-id: default-vnf-configuration
+  ext-cpd:
+  - id: virtual-pc-mgmt-ext
+    int-cpd:
+      cpd: eth0-int
+      vdu-id: virtual-pc-vdu
+  id: virtual-pc_vnfd
+  mgmt-cp: virtual-pc-mgmt-ext
+  product-name: virtual-pc_vnfd
+  provider: Canonical
+  sw-image-desc:
+  - id: ubuntu20.04
+    image: ubuntu20.04
+    name: ubuntu20.04
+  vdu:
+  - cloud-init-file: virtual-pc_init
+    description: srsLTE-vdu
+    id: srsLTE-vdu
+    int-cpd:
+    - id: eth0-int
+      virtual-network-interface-requirement:
+      - name: eth0
+        virtual-interface:
+          type: PARAVIRT
+    name: virtual-pc-vdu
+    sw-image-desc: ubuntu20.04
+    virtual-compute-desc: virtual-pc-vdu-compute
+    virtual-storage-desc:
+    - virtual-pc-vdu-storage
+  vdu-configuration:
+  - config-access:
+      ssh-access:
+        required: true
+  - config-access:
+      ssh-access:
+        default-user: ubuntu
+        required: true
+    initial-config-primitive:
+    - name: config
+    juju:
+      charm: virtual-pc
+      proxy: false
+  version: '1.0'
+  virtual-compute-desc:
+  - id: virtual-pc-vdu-compute
+    virtual-cpu:
+      num-virtual-cpu: 4
+    virtual-memory:
+      size: 8.0
+  virtual-storage-desc:
+  - id: virtual-pc-vdu-storage
+    size-of-storage: 20