xenadmin/XenModel/XenAPI-Extensions/VM_guest_metrics.cs

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using System.Linq;

namespace XenAPI
{
    public partial class VM_guest_metrics
    {
        /// <summary>
        /// List of distro values that we treat as Linux/Non-Windows (written by Linux Guest Agent, evaluating xe-linux-distribution)
        /// </summary>
        private readonly string[] linuxDistros = { "debian", "rhel", "fedora", "centos", "scientific", "oracle", "sles", "lsb", "boot2docker", "freebsd" };
        
        //This will tell if they are install (but they may not be upto date!)
        public bool PV_drivers_installed()
        {
            return PV_drivers_version.ContainsKey("major") && PV_drivers_version.ContainsKey("minor");
        }

        /// <summary>
        /// Returns true if (it is known that) this VM_guest_metrics belongs to a non-Windows VM.
        /// (Returns false if the VM is Windows or unknown)
        /// </summary>
        public bool IsVmNotWindows()
        {
            if (this.os_version != null)
            {
                if (this.os_version.ContainsKey("distro") && !string.IsNullOrEmpty(this.os_version["distro"]) && linuxDistros.Contains(this.os_version["distro"].ToLowerInvariant()))
                    return true;

                if (this.os_version.ContainsKey("uname") && this.os_version["uname"].ToLowerInvariant().Contains("netscaler"))
                    return true;
            }

            return false;
        }
    }
}