:sparkles: :pencil: add function to load hyper_v hostname from guest

Signed-off-by: Ressl Robert <r.ressl@safematix.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/ohai/plugins/linux/virtualization.rb b/lib/ohai/plugins/linux/virtualization.rb
index ad9a4689..f4abc93a 100644
--- a/lib/ohai/plugins/linux/virtualization.rb
+++ b/lib/ohai/plugins/linux/virtualization.rb
@@ -150,6 +150,17 @@ Ohai.plugin(:Virtualization) do
       end
     end
 
+    # Detect Hyper-V gest and host hostname
+    if File.exist?("/var/lib/hyperv/.kvp_pool_3")
+      logger.trace('Plugin Virtualization: /var/lib/hyperv/.kvp_pool_3 contains string indicating Hyper-V guest')
+      data = File.read("/var/lib/hyperv/.kvp_pool_3")
+      hyperv_host = data[/\HostName(.*?)HostingSystemEditionId/, 1].scan(/[[:print:]]/).join.downcase
+      virtualization[:system] = 'hyperv'
+      virtualization[:role] = 'guest'
+      virtualization[:systems][:hyperv] = 'guest'
+      virtualization[:host] = hyperv_host
+    end
+
     # Detect Linux-VServer
     if File.exist?("/proc/self/status")
       proc_self_status = File.read("/proc/self/status")