// Processes the results from CIM method invocation
public virtual void OnNext(CimMethodResultBase result)
{
// Retrieves and stores the streamed results of MSFT_ServerManagerServerComponent CIM classes
var streamedResult = result as CimMethodStreamedResult;
if (streamedResult != null)
{
if (streamedResult.ParameterName.Equals("ServerComponents", StringComparison.OrdinalIgnoreCase))
{
serverComponents.AddRange((CimInstance[])streamedResult.ItemValue);
}
}
// Retrieves the posted result of MSFT_ServerManagerRequestState CIM class and stores the RequestState property
var postedResult = result as CimMethodResult;
if (postedResult != null && postedResult.OutParameters != null)
{
CimInstance requestStateInstance = null;
CimMethodParameter requestStateParameter = null;
// The output parameter is named as "EnumerationState" when invoking the GetServerComponentsAsync method,
// and it's named as "AlterationState" when invoking the Add/RemoveServerComponentAsync methods
requestStateParameter = postedResult.OutParameters["EnumerationState"];
if (requestStateParameter != null)
{
requestStateInstance = (CimInstance)requestStateParameter.Value;
}
requestStateParameter = postedResult.OutParameters["AlterationState"];
if (requestStateParameter != null)
{
requestStateInstance = (CimInstance)requestStateParameter.Value;
}
if (requestStateInstance != null)
{
CimProperty property = requestStateInstance.CimInstanceProperties["RequestState"];
if (property != null)
{
requestState = (RequestStateEnum)property.Value;
}
}
}
}
public List<SampleSelectionRequest> GetSampleSelectionRequests(bool actualOnly = true, RequestStateEnum? filterState = null)
{
using (var database = new Core.Entity.SeedsEntities())
{
IEnumerable<Core.Entity.SampleSelectionRequest> requests = database.SampleSelectionRequest.Execute(MergeOption.NoTracking);
if (actualOnly)
{
requests = requests.Where(doc => doc.Header.StateID == (short) DocumentStateEnum.Active);
}
if (filterState != null)
{
short filterStateNumber = (short) filterState.Value;
requests = requests.Where(doc => (filterStateNumber & doc.RequestStateID) == doc.RequestStateID);
}
return requests.Select(doc => new SampleSelectionRequest(doc)).ToList();
}
}
public static RequestState GetRequestState(RequestStateEnum value, SeedsEntities database, MergeOption mergeOption = MergeOption.NoTracking)
{
return database.RequestState.Execute(mergeOption).Single(s => s.ID == (short) value);
}
// Method: RemoveRoleVhd - Removing a list of server components from a VHD image.
// Parameters: componentUniqueNames - The list of unique names of the server components to remove.
// vhdPath - The path of the VHD image.
// Returns: The list of server components that are removed.
public List <CimInstance> RemoveRoleVhd(List <string> componentUniqueNames, string vhdPath)
{
CimInstance guidInstance = RequestGuidCreator.CreateRequestGuid();
RequestStateEnum removeRoleRequestState = RequestStateEnum.Failed;
List <CimInstance> serverComponentInstances = new List <CimInstance>();
List <CimInstance> componentDescriptors = new List <CimInstance>();
Console.WriteLine("Getting Components information...");
// First performs a GetRole operation to get the MSFT_ServerManagerServerComponent CIM classes on the VHD image
GetRoleSample getRoleSample = new GetRoleSample();
List <CimInstance> serverComponents = getRoleSample.GetRoleVhd(vhdPath);
// Retrieves the list of MSFT_ServerManagerServerComponentDescriptor CIM classes for the roles to remove
foreach (CimInstance cimInstance in serverComponents)
{
CimProperty uniqueNameProperty = cimInstance.CimInstanceProperties["UniqueName"];
if (uniqueNameProperty != null && componentUniqueNames.Contains((string)uniqueNameProperty.Value))
{
CimProperty descriptorProperty = cimInstance.CimInstanceProperties["Descriptor"];
if (descriptorProperty != null)
{
componentDescriptors.Add((CimInstance)descriptorProperty.Value);
}
}
}
Console.Write("Start uninstalling components.");
// Create a CIM session to the local computer and invoke the RemoveServerComponentsVhdAsync CIM method
using (CimSession cimSession = CimSession.Create(null))
{
CimOperationOptions operationOptions = new CimOperationOptions()
{
EnableMethodResultStreaming = true
};
CimMethodParametersCollection methodParameters = new CimMethodParametersCollection();
methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In));
methodParameters.Add(CimMethodParameter.Create("DeleteComponents", false, CimType.Boolean, CimFlags.In));
methodParameters.Add(CimMethodParameter.Create("ServerComponentDescriptors", componentDescriptors.ToArray(), CimType.InstanceArray, CimFlags.In));
methodParameters.Add(CimMethodParameter.Create("VhdPath", vhdPath, CimType.String, CimFlags.In));
IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager",
"MSFT_ServerManagerDeploymentTasks",
"RemoveServerComponentVhdAsync",
methodParameters,
operationOptions);
DeploymentObserver observer = new DeploymentObserver();
using (IDisposable cancellationDisposable = observable.Subscribe(observer))
{
observer.GetResults(out serverComponentInstances, out removeRoleRequestState);
}
}
int timeout = 1200000; // timeout in 20 minutes for VHD Remove
int startTime = Environment.TickCount;
// Executes the Loop to query the method invocation results until the RequestState is Completed or Failed
while (removeRoleRequestState == RequestStateEnum.InProgress && Environment.TickCount < startTime + timeout)
{
using (CimSession cimSession = CimSession.Create(null))
{
CimOperationOptions operationOptions = new CimOperationOptions()
{
EnableMethodResultStreaming = true
};
CimMethodParametersCollection methodParameters = new CimMethodParametersCollection();
methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In));
methodParameters.Add(CimMethodParameter.Create("KeepAlterationStateOnRestartRequired", false, CimType.Boolean, CimFlags.In));
IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager",
"MSFT_ServerManagerDeploymentTasks",
"GetAlterationRequestState",
methodParameters,
operationOptions);
DeploymentObserver observer = new DeploymentObserver();
using (IDisposable cancellationDisposable = observable.Subscribe(observer))
{
observer.GetResults(out serverComponentInstances, out removeRoleRequestState);
}
}
Console.Write(".");
Thread.Sleep(1000);
}
Console.WriteLine();
if (removeRoleRequestState == RequestStateEnum.Completed)
{
Console.WriteLine("Components successfully uninstalled!");
}
else if (removeRoleRequestState == RequestStateEnum.Failed)
{
Console.WriteLine("RemoveServerComponentVhdAsync request failed!");
}
return(serverComponentInstances);
}
// Method: GetRole - Getting the list of server components from a VHD Image.
// Returns: The list of retrieved server components on the system.
public List <CimInstance> GetRoleVhd(string vhdPath)
{
CimInstance guidInstance = RequestGuidCreator.CreateRequestGuid();
List <CimInstance> serverComponentInstances = new List <CimInstance>();
RequestStateEnum getRoleRequestState = RequestStateEnum.Failed;
// Create a CIM session to the local computer and invoke the GetServerComponentsVhdAsync CIM method
using (CimSession cimSession = CimSession.Create(null))
{
CimOperationOptions operationOptions = new CimOperationOptions()
{
EnableMethodResultStreaming = true
};
CimMethodParametersCollection methodParameters = new CimMethodParametersCollection();
methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In));
methodParameters.Add(CimMethodParameter.Create("VhdPath", vhdPath, CimType.String, CimFlags.In));
IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager",
"MSFT_ServerManagerDeploymentTasks",
"GetServerComponentsVhdAsync",
methodParameters,
operationOptions);
DeploymentObserver observer = new DeploymentObserver();
using (IDisposable cancellationDisposable = observable.Subscribe(observer))
{
observer.GetResults(out serverComponentInstances, out getRoleRequestState);
}
}
int timeout = 600000; // timeout in 10 minutes for VHD Get
int startTime = Environment.TickCount;
// Executes the Loop to query the method invocation results until the RequestState is Completed or Failed
while (getRoleRequestState == RequestStateEnum.InProgress && Environment.TickCount < startTime + timeout)
{
using (CimSession cimSession = CimSession.Create(null))
{
CimOperationOptions operationOptions = new CimOperationOptions()
{
EnableMethodResultStreaming = true
};
CimMethodParametersCollection methodParameters = new CimMethodParametersCollection();
methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In));
IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager",
"MSFT_ServerManagerDeploymentTasks",
"GetEnumerationRequestState",
methodParameters,
operationOptions);
DeploymentObserver observer = new DeploymentObserver();
using (IDisposable cancellationDisposable = observable.Subscribe(observer))
{
observer.GetResults(out serverComponentInstances, out getRoleRequestState);
}
}
Thread.Sleep(1000);
}
if (getRoleRequestState == RequestStateEnum.Failed)
{
Console.WriteLine("GetServerComponentsVhdAsync request failed!");
}
return(serverComponentInstances);
}
// Waits for the completion of the CIM method invocation and retrieves the results
public void GetResults(out List <CimInstance> serverComponentsResult, out RequestStateEnum requestStateResult)
{
this.completeEvent.Wait();
serverComponentsResult = serverComponents;
requestStateResult = requestState;
}