Move dmidecode parsing into a mixin to dedupe code

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/ohai/mixin/dmi_decode.rb b/lib/ohai/mixin/dmi_decode.rb
new file mode 100644
index 00000000..625b6c90
--- /dev/null
+++ b/lib/ohai/mixin/dmi_decode.rb
@@ -0,0 +1,45 @@
+#
+# Author:: Tim Smith <tsmith@chef.io>
+# Copyright:: Copyright (c) 2015 Chef Software, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# http://www.dmo.ca/blog/detecting-virtualization-on-linux
+module ::Ohai::Mixin::DmiDecode
+  def determine_guest(dmi_data)
+    dmi_data.each_line do |line|
+      case line
+      when /Manufacturer: Microsoft/
+        if dmi_data =~ /Product Name: Virtual Machine/
+          if dmi_data =~ /Version: VS2005R2/
+            return 'virtualpc'
+          else
+            return 'virtualserver'
+          end
+        end
+      when /Manufacturer: VMware/
+        return 'vmware'
+      when /Manufacturer: Xen/
+        return 'xen'
+      when /Product Name: VirtualBox/
+        return 'vbox'
+      when /Product Name: OpenStack/
+        return 'openstack'
+      when /Manufacturer: QEMU|Product Name: (KVM|RHEV)/
+        return 'kvm'
+      end
+    end
+    return nil
+  end
+end