private void UpdateApplications(List <Node> nodes)
{
foreach (Node node in nodes)
{
try
{
NcDescribeApplicationsRequest request = new NcDescribeApplicationsRequest(Settings.Credentials);
var channel = EndPoints.GetNcApplicationGridService(node);
NcDescribeApplicationsResponse response = channel.DescribeApplications(request);
node.Applications = response.Applications;
foreach (Application application in node.Applications)
{
LbGetApplicationInstancesRequest request1 = new LbGetApplicationInstancesRequest(Settings.Credentials);
request1.NodeId = node.Id;
request1.ApplicationId = application.Id;
LbGetApplicationInstancesResponse response1 = EndPoints.GetLbApplicationGridService().GetApplicationInstances(request1);
application.ApplicationInstances = response1.ApplicationInstances;
}
Log.Debug(this, "Updated applications of node " + node.ToString());
}
catch (Exception e)
{
Log.Error(this, "Could not update applications of node " + node.ToString());
throw e;
}
}
}
private void UploadApplicationToNode(int applicationId, Node node)
{
Log.Debug(this, "Uploading application " + applicationId + " to node " + node.ToString());
Application app = FindApplication(applicationId);
if (app != null)
{
string filePath = Path.Combine(Settings.ApplicationStorePath, app.FileName);
if (File.Exists(filePath))
{
Log.Debug(this, "Transferring application package...");
NcFileTransferSocket socket = new NcFileTransferSocket(node.IpAddress_, Settings.NcFileTransferSocketPort);
socket.SendFile(filePath);
Log.Debug(this, "Transferring application data...");
NcAddApplicationRequest request = new NcAddApplicationRequest(Credentials);
request.Application = app;
EndPoints.GetNcApplicationGridService(node).AddApplication(request);
}
else
{
throw new MonoscapeException("File not found: " + app.FileName);
}
}
else
{
throw new MonoscapeException("Application not found: " + app.Name);
}
}
private bool ApplicationExistsInNode(int applicationId, Node node)
{
NcApplicationExistsRequest request = new NcApplicationExistsRequest(Credentials);
request.ApplicationId = applicationId;
NcApplicationExistsResponse response = EndPoints.GetNcApplicationGridService(node).ApplicationExists(request);
return(response.Exists);
}
public ApStartApplicationResponse StartApplication(ApStartApplicationRequest request)
{
Log.Info(this, "StartApplication()");
try
{
Authenticate(request);
ApStartApplicationResponse response = new ApStartApplicationResponse();
List <Node> nodes = FindAvailableNodes();
foreach (Node node in nodes)
{
if (!ApplicationExistsInNode(request.ApplicationId, node))
{
// Upload application to node
UploadApplicationToNode(request.ApplicationId, node);
}
NcStartApplicationInstancesRequest ncRequest = new NcStartApplicationInstancesRequest(Credentials);
ncRequest.ApplicationId = request.ApplicationId;
ncRequest.TenantName = request.TenantName;
ncRequest.NumberOfInstances = request.NumberOfInstances;
NcStartApplicationInstancesResponse ncResponse = EndPoints.GetNcApplicationGridService(node).StartApplicationInstances(ncRequest);
response.Urls = ncResponse.Urls;
// Update Routing Mesh in Load Balancer
LbAddApplicationInstancesRequest request2 = new LbAddApplicationInstancesRequest(Credentials);
request2.AppInstances = ncResponse.ApplicationInstances;
EndPoints.GetLbApplicationGridService().AddApplicationInstances(request2);
}
return(response);
}
catch (Exception e)
{
Log.Error(this, e);
throw e;
}
}
public ApStopApplicationInstanceResponse StopApplicationInstance(ApStopApplicationInstanceRequest request)
{
Log.Info(this, "StopApplicationInstance()");
try
{
Authenticate(request);
ApStopApplicationInstanceResponse response = new ApStopApplicationInstanceResponse();
Node node = Database.GetInstance().Nodes.Where(x => x.Id == request.NodeId).FirstOrDefault();
if (node != null)
{
// Stop application instance in the node
NcStopApplicationRequest ncRequest = new NcStopApplicationRequest(Credentials);
ncRequest.ApplicationId = request.ApplicationId;
ncRequest.InstanceId = request.InstanceId;
EndPoints.GetNcApplicationGridService(node).StopApplicationInstance(ncRequest);
// Update routing mesh in the load balancer
LbRemoveApplicationInstanceRequest request_ = new LbRemoveApplicationInstanceRequest(Credentials);
request_.NodeId = request.NodeId;
request_.ApplicationId = request.ApplicationId;
request_.InstanceId = request.InstanceId;
EndPoints.GetLbApplicationGridService().RemoveApplicationInstances(request_);
}
else
{
throw new MonoscapeException("Node not found");
}
return(response);
}
catch (Exception e)
{
Log.Error(this, e);
throw e;
}
}
