private VmSettings GetVmSettingsCached(string id)
{
lock (_VMSettingsCacheLock)
{
VmSettings result = null;
if (VMSettingsCache.TryGetValue(id, out result))
{
return(result);
}
else
{
foreach (HostSystem host in GetHostCached().Values)
{
foreach (ManagementObject r in (new ManagementObjectSearcher(host.Scopes["Virtualization"], new ObjectQuery("SELECT * FROM Msvm_VirtualSystemSettingData WHERE NOT instanceid LIKE '%Definition%'"))).Get())
{
string _id = ((r.GetPropertyValue("InstanceId").ToString()).Split('\\')[0]).Replace("Microsoft:", "");
VmSettings settings = new VmSettings();
settings.Version = Convert.ToDouble(r.GetPropertyValue("Version"));
settings.CreationTime = r.GetPropertyValue("CreationTime").ToString();
if (!VMSettingsCache.ContainsKey(_id))
{
VMSettingsCache.Add(_id, settings);
}
}
}
if (VMSettingsCache.TryGetValue(id, out result))
{
return(result);
}
}
return(result);
}
}
// need to improve caching logic and processing speed
internal List <EntityViewBase> FindVirtualMachines()
{
List <EntityViewBase> FoundEntities = new List <EntityViewBase> {
};
foreach (HostSystem host in GetHostCached().Values)
{
foreach (ManagementObject r in (new ManagementObjectSearcher(host.Scopes["Virtualization"], new ObjectQuery("SELECT * FROM Msvm_ComputerSystem WHERE caption='Virtual Machine'"))).Get())
{
// get related vm object or initialize it
VirtualMachine vm = null;
string vmid = r.GetPropertyValue("Name").ToString();
host.Vm.TryGetValue(vmid, out vm);
if (vm == null)
{
vm = new VirtualMachine(); vm.Name = r.GetPropertyValue("ElementName").ToString(); vm.Id = vmid; host.Vm.Add(vmid, vm);
}
vm.Host = host.Name;
vm.State = Convert.ToInt32(r.GetPropertyValue("EnabledState"));
// possible KVP dictionary values are (only works when powered on)
// FullyQualifiedDomainName, IntegrationServicesVersion, NetworkAddressIPv4, NetworkAddressIPv6
// OSBuildNumber, OSDistributionData, OSDistributionName, OSKernelVersion, OSMajorVersion, OSMinorVersion, OSName, OSPlatformId, OSVersion
// ProcessorArchitecture
ManagementObjectCollection vmGuestKVPCollection = r.GetRelated("Msvm_KvpExchangeComponent"); // have to use select * for above query as otherwise getrelated does not work
Dictionary <string, string> vmGuestKeyValues = new Dictionary <string, string> {
};
foreach (ManagementObject element in vmGuestKVPCollection)
{
string[] xmlitems = element.Properties["GuestIntrinsicExchangeItems"].Value as string[];
vmGuestKeyValues = GetWmiXmlDictionary(xmlitems);
}
VmSettings guestsettings = GetVmSettingsCached(vm.Id);
vm.Version = guestsettings.Version.ToString();
if (vmGuestKeyValues.Count > 0)
{
System.Net.IPAddress ipaddr = null;
System.Net.IPAddress.TryParse(vmGuestKeyValues["NetworkAddressIPv4"].Split(',')[0], out ipaddr);
vm.Guest.IP = ipaddr;
vm.Guest.ToolsVersion = vmGuestKeyValues["IntegrationServicesVersion"];
vm.Guest.OS = vmGuestKeyValues["OSName"] + " " + vmGuestKeyValues["OSVersion"];
vm.Guest.Name = vmGuestKeyValues["FullyQualifiedDomainName"];
}
vm.Hardware.MemoryMB = GetVmMemoryCached(vm.Id);
vm.Hardware.NumCoresPerSocket = 1;
vm.Hardware.NumCPU = GetVmCpuCached(vm.Id);
vm.Storage = GetVmDiskInfo(vm.Id);
vm.Disks = GetVmDiskCached(vm.Id);
if (host.IsClusterMember)
{
vm.Cluster = _ClusterName;
}
FoundEntities.Add(vm);
}
}
return(FoundEntities);
}