tests(packer): define more common cloud init resources.

tests/cloud-init/common.yml

@@ -15,3 +15,25 @@ users:
 package_update: true
 package_upgrade: true
 package_reboot_if_required: false
+
+# Mount shared directory
+shared-directory: &shared-directory
+  path: /etc/fstab
+  append: true
+  content: |
+    0a31bc478ef8e2461a4b1cc10a24cc4 /home/user/Projects/apparmor.d  virtiofs defaults  0  1
+
+# Network configuration for server
+systemd-netword: &systemd-netword
+  path: /etc/systemd/network/20-wired.network
+  owner: "root:root"
+  permissions: "0644"
+  content: |
+    [Match]
+    Name=en*
+
+    [Network]
+    DHCP=yes
+
+    [DHCPv4]
+    RouteMetric=10