Add mysqld_version fact.

Author: jtopper

lib/facter/mysqld_version.rb

@@ -0,0 +1,5 @@
+Facter.add("mysqld_version") do
+  setcode do
+    Facter::Util::Resolution.exec('mysqld -V')
+  end
+end

spec/unit/facter/mysqld_version_spec.rb

@@ -0,0 +1,20 @@
+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+  }
+
+  describe "mysqld_version" do
+    context 'with value' do
+      before :each do
+        Facter::Util::Resolution.stubs(:exec).with('mysqld -V').returns('mysqld  Ver 5.5.49-37.9 for Linux on x86_64 (Percona Server (GPL), Release 37.9, Revision efa0073)')
+      end
+      it {
+        expect(Facter.fact(:mysqld_version).value).to eq('mysqld  Ver 5.5.49-37.9 for Linux on x86_64 (Percona Server (GPL), Release 37.9, Revision efa0073)')
+      }
+    end
+
+  end
+
+end