private async Task UpdateNodeDataAsync()
{
const string machineQuery = @"SELECT
DNSHostName,
Domain,
Manufacturer,
Model,
NumberOfLogicalProcessors
FROM Win32_ComputerSystem";
using (var q = Wmi.Query(Endpoint, machineQuery))
{
var data = await q.GetFirstResultAsync().ConfigureAwait(false);
if (data != null)
{
Model = data.Model;
Manufacturer = data.Manufacturer;
// Only use domain if we're on one - not for things like workgroups
Name = _machineDomainName.HasValue() && data.Domain != _machineDomainName
? $"{data.DNSHostName}.{data.Domain}"
: data.DNSHostName;
NumberOfLogicalProcessors = data.NumberOfLogicalProcessors;
}
}
const string query = @"SELECT
Caption,
LastBootUpTime,
Version,
FreePhysicalMemory,
TotalVisibleMemorySize,
Version
FROM Win32_OperatingSystem";
using (var q = Wmi.Query(Endpoint, query))
{
var data = await q.GetFirstResultAsync().ConfigureAwait(false);
if (data != null)
{
LastBoot = ManagementDateTimeConverter.ToDateTime(data.LastBootUpTime);
TotalMemory = data.TotalVisibleMemorySize * 1024;
MemoryUsed = TotalMemory - (data.FreePhysicalMemory * 1024);
KernelVersion = Version.Parse(data.Version);
MachineType = data.Caption.ToString() + " " + data.Version.ToString();
}
}
const string servicetagquery = @"SELECT
SerialNumber
FROM Win32_BIOS";
using (var q = Wmi.Query(Endpoint, servicetagquery))
{
var data = await q.GetFirstResultAsync().ConfigureAwait(false);
if (data != null)
{
ServiceTag = data.SerialNumber;
}
}
LastSync = DateTime.UtcNow;
Status = NodeStatus.Active;
IsVMHost = await GetIsVMHost().ConfigureAwait(false);
_canQueryAdapterUtilization = await GetCanQueryAdapterUtilization().ConfigureAwait(false);
_canQueryTeamingInformation = await Wmi.ClassExists(Endpoint, "MSFT_NetLbfoTeamMember", @"root\standardcimv2").ConfigureAwait(false);
}
private Task <bool> GetIsVMHost() => Wmi.ClassExists(Endpoint, "Win32_PerfRawData_HvStats_HyperVHypervisorLogicalProcessor");