From 59edda86239b4b33d24f809177c4bc7e3036307a Mon Sep 17 00:00:00 2001
From: Quinten Johnson <quinten@sgi.com>
Date: Thu, 16 Mar 2017 10:44:07 -0500
Subject: [PATCH] Allow additional disk serial specification

libvirt uses <serial></serial> to expose a disk serial to the VM.
---
 README.md                                    | 1 +
 lib/vagrant-libvirt/config.rb                | 3 ++-
 lib/vagrant-libvirt/templates/domain.xml.erb | 3 +++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 81b1a8c..b8783f2 100644
--- a/README.md
+++ b/README.md
@@ -693,6 +693,7 @@ It has a number of options:
   pre-existing disk. If the disk doesn't exist it will be created.
   Disks with this option set to true need to be removed manually.
 * `shareable` - Set to true if you want to simulate shared SAN storage.
+* `serial` - Serial number of the disk device.
 
 The following example creates two additional disks.
 
diff --git a/lib/vagrant-libvirt/config.rb b/lib/vagrant-libvirt/config.rb
index 2602905..a535eb2 100644
--- a/lib/vagrant-libvirt/config.rb
+++ b/lib/vagrant-libvirt/config.rb
@@ -480,7 +480,8 @@ module VagrantPlugins
           bus: options[:bus],
           cache: options[:cache] || 'default',
           allow_existing: options[:allow_existing],
-          shareable: options[:shareable]
+          shareable: options[:shareable],
+          serial: options[:serial]
         }
 
         @disks << disk # append
diff --git a/lib/vagrant-libvirt/templates/domain.xml.erb b/lib/vagrant-libvirt/templates/domain.xml.erb
index ade0914..722686a 100644
--- a/lib/vagrant-libvirt/templates/domain.xml.erb
+++ b/lib/vagrant-libvirt/templates/domain.xml.erb
@@ -86,6 +86,9 @@
       <% if d[:shareable] %>
         <shareable/>
       <% end %>
+      <% if d[:serial] %>
+        <serial><%= d[:serial] %></serial>
+      <% end %>
 <%# this will get auto generated by libvirt
       <address type='pci' domain='0x0000' bus='0x00' slot='???' function='0x0'/>
 -%>