public async Task<ClaimsIdentity> GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
{
// Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
// Add custom user claims here
ClaimsPrincipal claimsPrincipal = Thread.CurrentPrincipal as ClaimsPrincipal;
//TODO: look-up the roles from the DB!
string userId = userIdentity.Claims.Single(x => x.Type == ClaimTypes.NameIdentifier).Value;
ApplicationDbContext context = new ApplicationDbContext();
Identity identity = context.Identities.Single(x => x.NameIdentifier == userId);
userIdentity.AddClaim(new Claim(SpecialClaimTypes.UserId, identity.IdentityId.ToString(), ClaimValueTypes.Integer));
if (identity.SubscriptionIdentityRoles.Any())
{
//get first found subscription
//TODO: update the databasee to be in line with the entity model code first
foreach (int subscriptionId in identity.SubscriptionIdentityRoles.Select(x=>x.SubscriptionId).Distinct())
{
userIdentity.AddClaim(new Claim(SpecialClaimTypes.Subscription, subscriptionId.ToString()));
}
}
return userIdentity;
}
private void AssigUserSubscriptionRoles()
{
using (var context = new ApplicationDbContext())
{
var roles = context.SubscriptionIdentityRoles.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId && x.SubscriptionId == UnitOfWork.ActiveSubscriptionId).Select(y => y.Role).ToList();
var email = context.Identities.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId).Select(x => x.Email).First();
Session[String.Format("Roles{0}", email)] = roles;
}
}
// GET: Training
public ActionResult Index()
{
using (var context = new ApplicationDbContext())
{
var email = context.Identities.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId).Select(x => x.Email).First();
var roles = Session[String.Format("Roles{0}", email)];
if (roles != null)
{
ViewBag.IsOwnerOrTrainer = ((List<string>)roles).Contains(RoleTypes.Owner) || ((List<string>)roles).Contains(RoleTypes.Trainer);
}
}
return View();
}
public AzureTestController(ILogger logger, AzureFacadeFactory azureFacadeFactory)
{
_logger = logger;
using (ApplicationDbContext context = new ApplicationDbContext())
{
Subscription subscription = context.Subscriptions
.Single(x => x.SubscriptionId == 1);
_vmManagement = azureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
}
}
public void End(EndSessionRequest request)
{
using (ApplicationDbContext context = new ApplicationDbContext())
{
string version = request.Version.ToString();
//Session session = context.Sessions.Single(x => x.SessionId == request.SessionId);
Session session = context.Sessions.Single(x => x.SessionId == request.SessionId);
//check if the request is no longer valid
if (session.Version != request.Version.ToString())
{
_logger.InfoFormat("EndSessionRequest for Sessionid: {0} was ignored because Removed: {1} and Version: {2}",
request.SessionId, session.Removed, request.Version);
return;
}
_logger.InfoFormat("Deleting VMs for SessionId: {0} ({1} - {2})",
session.SessionId, session.StartDate, session.EndDate);
Subscription subscription = context.Subscriptions
.Single(x => x.SubscriptionId == session.SubscriptionId);
IVMManagement vmManagement = AzureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
//TODO: need to keep service name in the session
string vmNameBase = "tn" + session.SessionId + "vm";
vmManagement.DeleteService(vmNameBase);
foreach (VirtualMachine vm in session.VirtualMachines.Where(x => !x.Deleted))
{
vm.Deleted = true;
}
context.SaveChanges();
_logger.InfoFormat("Deleted VMs for SessionId: {0} ({1} - {2})",
session.SessionId, session.StartDate, session.EndDate);
}
}
public ActionResult Index(SubscriptionCreateModel model)
{
Subscription subscription = new Subscription
{
BlobStorageKey = model.BlobStorageKey,
BlobStorageName = model.BlobStorageName,
CertificateKey = model.CertificateKey,
AzureSubscriptionId = model.AzureSubscriptionId
};
BinaryReader r = new BinaryReader(Request.Files[0].InputStream);
subscription.Certificate = r.ReadBytes(Request.Files[0].ContentLength);
using (ApplicationDbContext context = new ApplicationDbContext())
{
context.Subscriptions.Add(subscription);
context.SaveChanges();
}
return View();
}
public ActionResult Index()
{
ViewBag.IsSignedUser = false;
ViewBag.IsMember = false;
if (HttpContext.User.Identity.IsAuthenticated)
{
AssigUserSubscriptionRoles();
using (var context = new ApplicationDbContext())
{
var email = context.Identities.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId).Select(x => x.Email).First();
var roles = Session[String.Format("Roles{0}", email)];
if (roles != null)
{
ViewBag.IsSignedUser = true;
ViewBag.IsMember = ((List<string>)roles).Contains(RoleTypes.Member);
}
}
}
return View();
}
public void AssignCertificate(int subscriptionId, int identityId)
{
//create subscription if doesn't exist, otherwise update with new certificate
CertificateSet certificateSet = CreateCertificate();
//save the cer and pfx to local folder for debugging (si it me, or does that sound like a bad idea?)
SaveCertificatesLocally(subscriptionId.ToString(), certificateSet);
//TODO: finish implementation - send email
using (ApplicationDbContext context = new ApplicationDbContext())
{
Subscription subscription = context.Subscriptions.Single(x => x.SubscriptionId == subscriptionId);
subscription.CertificateKey = certificateSet.Password;
subscription.Certificate = certificateSet.PfxRawData;
context.SaveChanges();
Identity identity = context.Identities.Single(x => x.IdentityId == identityId);
Email.BuildAssignCertificateEmail(identity, subscription, certificateSet.CerRawData).Send();
}
}
public bool AddUserSubscriptionRole(string role, string identityId)
{
var success = false;
try
{
if (string.IsNullOrWhiteSpace(role) || string.IsNullOrWhiteSpace(identityId))
return false;
if (role == RoleTypes.Trainer || role == RoleTypes.Owner)
{
using (var context = new ApplicationDbContext())
{
var subscription = context.Subscriptions.Where(x => x.SubscriptionId == UnitOfWork.ActiveSubscriptionId).FirstOrDefault();
var identity = context.Identities.Where(x => x.IdentityId.ToString() == identityId).FirstOrDefault();
if (subscription != null && identity != null && !context.SubscriptionIdentityRoles.Any(x => x.Role == role &&
x.IdentityId == identity.IdentityId && x.SubscriptionId == subscription.SubscriptionId))
{
context.SubscriptionIdentityRoles.Add(new SubscriptionIdentityRole()
{
SubscriptionId = subscription.SubscriptionId,
IdentityId = identity.IdentityId,
Role = role
});
context.SaveChanges();
success = true;
}
}
}
return success;
}
catch (Exception)
{
return false;
}
}
public async Task<string> ReadyForCapture(string templateVmKey)
{
_logger.Info("Entering AzureManagement.ReadyForCapture");
string result = "OK";
try
{
using (ApplicationDbContext repository = new ApplicationDbContext())
{
Guid key = new Guid(templateVmKey);
TemplateVM templateVM = repository.TemplateVMs.Single(x => x.Key == key);
templateVM.State = (int)TemplateVMStatusEnum.ReadyToCapture;
templateVM.StateChangedTimestamp = DateTimeOffset.Now;
repository.SaveChanges();
//schedule the check and capture in 5 minutes
await Messaging.SendAsync(new VMReadyForCaptureRequest
{ TemplateVMId = templateVM.TemplateVMId },
DateTime.UtcNow.AddMinutes(5));
}
}
catch (Exception ex)
{
_logger.Fatal("Exception when marking VM for capture.", ex);
result = "Error";
}
_logger.Info("Exiting AzureManagement.ReadyForCapture");
return result;
}
public PoRepository()
{
_context = new ApplicationDbContext();
}
private void SaveInvites(IList<string> emailList)
{
using (var context = new ApplicationDbContext())
{
var identity = context.Identities.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId).FirstOrDefault();
var subscription = context.Subscriptions.Where(x => x.SubscriptionId == UnitOfWork.ActiveSubscriptionId).FirstOrDefault();
if (identity != null && subscription != null)
{
foreach (var email in emailList)
{
if (!context.Invitations.Where(x => x.Identity.IdentityId == identity.IdentityId &&
x.Subscription.SubscriptionId == subscription.SubscriptionId && x.Email == email).Any())
{
context.Invitations.Add(new Invitation()
{
Email = email,
Identity = identity,
Subscription = subscription,
IdentityId = identity.IdentityId,
SubscriptionId = subscription.SubscriptionId,
Processed = false
});
context.SaveChanges();
}
}
}
}
}
public IEnumerable<VirtualMachineImageModel> AvailableTemplateImages()
{
Subscription subscription;
List<string> preferredVmFamilies;
using (ApplicationDbContext context = new ApplicationDbContext())
{
subscription = context.Subscriptions.Single(x => x.SubscriptionId == UnitOfWork.ActiveSubscriptionId);
preferredVmFamilies = context.RecommendedVMImages.Select(x => x.ImageFamily).ToList();
}
IVMManagement management = AzureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
List<VirtualMachineImageModel> vmImageList = management.GetAvailableTemplateImages(VmImageSourceEnum.All, preferredVmFamilies);
// Filter the image list:
// User images must check if are for the current subscription
// also enrich the user images with a friendly description
using (ApplicationDbContext context = new ApplicationDbContext())
{
int subscriptionId = UnitOfWork.ActiveSubscriptionId;
List<TemplateVM> subscriptionTemplates = context.TemplateVMs
.Where(x=>x.SubscriptionId == subscriptionId).ToList();
List<string> subscriptionImageNames = subscriptionTemplates.Select(x=>x.ImageName).ToList();
vmImageList = vmImageList.Where(x => !x.IsUserImage || subscriptionImageNames.Contains(x.Name))
.ToList();
foreach(VirtualMachineImageModel image in vmImageList.Where(x=>x.IsUserImage))
{
image.Description = subscriptionTemplates.Single(x => x.ImageName == image.Name).Description;
}
}
return vmImageList;
}
public IEnumerable<object> AvailableSubscriptions()
{
using (ApplicationDbContext context = new ApplicationDbContext())
{
int activeSubscriptionId = UnitOfWork.CurrentIdentity.ActiveSubscriptionId;
var availableSubscriptions = context.Subscriptions.Where(x => x.SubscriptionIdentityRoles.Any(y => y.SubscriptionId == activeSubscriptionId)).Distinct().ToList()
.Select(x=> new
{
SubscriptionId = x.SubscriptionId,
SubscriptionName = x.Name,
Active = x.SubscriptionId == UnitOfWork.ActiveSubscriptionId
});
return availableSubscriptions;
}
}
public void Start(StartSessionRequest request)
{
using (ApplicationDbContext context = new ApplicationDbContext())
{
Session session = context.Sessions.Single(x => x.SessionId == request.SessionId);
//Session session = context.Sessions.Single(x => x.Version == version);
//check if the session is canceled or the request is no longer valid
if (session.Removed ||
(session.Version != request.Version.ToString()))
{
_logger.InfoFormat("StartSessionRequest for Sessionid: {0} was ignored because Removed: {1} and Version: {2}",
request.SessionId, session.Removed, request.Version);
return;
}
_logger.InfoFormat("Spawning VMs for SessionId: {0} ({1} - {2})",
session.SessionId, session.StartDate, session.EndDate);
Subscription subscription = context.Subscriptions
.Single(x => x.SubscriptionId == session.SubscriptionId);
IVMManagement vmManagement = AzureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
//TODO: remove the hardcoding at some point in time
string NorthEurope = "North Europe";
VMConfigModel vmConfig = new VMConfigModel(session.Lab.ImageName, NorthEurope)
{
VmSize = (VmSizeEnum)Enum.Parse(typeof(VmSizeEnum), session.VmSize)
};
var sessionUsers = session.SessionUsers.ToList();
var vmUsers = new List<VMUserModel>();
sessionUsers.ForEach(x =>
{
//TODO: wrong logic.. not all sessions are based on templates
var templateVM = context.TemplateVMs.Where(y => y.IdentityId == x.IdentityId && y.SubscriptionId == subscription.SubscriptionId).FirstOrDefault();
if (templateVM != null)
{
vmUsers.Add(new VMUserModel
{
IdentityId = x.IdentityId,
Username = templateVM.VMAdminUser,
Password = templateVM.VMAdminPass
});
}
});
//figure out a URL friendly name for the vm names
string vmNameBase = "tn" + session.SessionId + "vm";
var assignedVMs = vmManagement.GenerateVMsForUsers(vmNameBase, vmConfig, vmUsers);
foreach (var assignedVM in assignedVMs)
{
VirtualMachine virtualMachine = new VirtualMachine
{
IdentityId = assignedVM.UserId,
VmAdminPass = assignedVM.Password,
VmAdminUser = assignedVM.UserName,
VmName = assignedVM.VmName,
VmRdpPort = assignedVM.VmRdpPort
};
session.VirtualMachines.Add(virtualMachine);
context.SaveChanges();
}
_logger.InfoFormat("Spawned VMs for SessionId: {0} ({1} - {2})",
session.SessionId, session.StartDate, session.EndDate);
_logger.InfoFormat("Sending emails for SessionId: {0} ({1} - {2})",
session.SessionId, session.StartDate, session.EndDate);
//well.. this is a hack
//TODO: send the correct service name, that should be returned from the Azure Facade
Email.BuildSessionEmails(session, vmNameBase).Send();
}
}
public bool RemoveUserFromSubscription(string identityId)
{
var success = false;
try
{
if (string.IsNullOrWhiteSpace(identityId))
return false;
using (var context = new ApplicationDbContext())
{
var subscription = context.Subscriptions.Where(x => x.SubscriptionId == UnitOfWork.ActiveSubscriptionId).FirstOrDefault();
var identity = context.Identities.Where(x => x.IdentityId.ToString() == identityId).FirstOrDefault();
if (subscription == null || identity == null)
return false;
var subscriptionRoles = context.SubscriptionIdentityRoles.Where(x => x.IdentityId == identity.IdentityId &&
x.SubscriptionId == subscription.SubscriptionId);
foreach (var subscriptionRole in subscriptionRoles.ToList())
{
context.SubscriptionIdentityRoles.Remove(context.SubscriptionIdentityRoles.Where(x =>
x.SubscriptionIdentityRoleId == subscriptionRole.SubscriptionIdentityRoleId).FirstOrDefault());
context.SaveChanges();
success = true;
}
}
return success;
}
catch (Exception)
{
return false;
}
}
public List<string> GetLoggedInUserSubscriptionRoles()
{
var loggedInUserRoles = new List<string>();
using (var context = new ApplicationDbContext())
{
var identity = context.Identities.Where(x => x.IdentityId == UnitOfWork.CurrentIdentity.IdentityId).FirstOrDefault();
var subscription = context.Subscriptions.Where(x => x.SubscriptionId == UnitOfWork.ActiveSubscriptionId).FirstOrDefault();
if (identity != null && subscription != null)
{
var roles = context.SubscriptionIdentityRoles.Where(x =>
x.IdentityId == identity.IdentityId && x.SubscriptionId == subscription.SubscriptionId);
if (roles.Any())
roles.ToList().ForEach(x => loggedInUserRoles.Add(x.Role));
}
}
return loggedInUserRoles;
}
private void CreateSubscriptionIdentityMap(Subscription subscription, int identityId)
{
using (ApplicationDbContext context = new ApplicationDbContext())
{
CreateSubscriptionIdentityMap(subscription, context, RoleTypes.Member);
CreateSubscriptionIdentityMap(subscription, context, RoleTypes.Owner);
CreateSubscriptionIdentityMap(subscription, context, RoleTypes.Trainer);
context.SaveChanges();
}
}
private int GetIdentityIdByUserId(string userId)
{
try
{
var identityId = 0;
using (var context = new ApplicationDbContext())
{
identityId = context.Identities.Single(x => x.NameIdentifier == userId).IdentityId;
}
return identityId;
}
catch(Exception)
{
return 0;
}
}
private bool CheckAndHandleUserInvites(int identityId, string email)
{
try
{
using (var context = new ApplicationDbContext())
{
var invitations = context.Invitations.Where(x => x.Email == email && x.Processed == false);
var identity = context.Identities.Where(x => x.IdentityId == identityId).FirstOrDefault();
if (!invitations.Any() || identity == null)
return false;
foreach (var invitation in invitations.ToList())
{
var subscription = context.Subscriptions.Where(x => x.SubscriptionId == invitation.SubscriptionId).FirstOrDefault();
if (subscription != null)
{
if (!context.SubscriptionIdentityRoles.Any(x => x.IdentityId == identityId &&
x.Subscription.SubscriptionId == invitation.SubscriptionId && x.Role == RoleTypes.Member))
{
context.SubscriptionIdentityRoles.Add(new SubscriptionIdentityRole()
{
Subscription = subscription,
IdentityId = identity.IdentityId,
Role = RoleTypes.Member
});
}
invitation.Processed = true;
context.Entry(invitation).State = EntityState.Modified;
context.SaveChanges();
}
}
}
return true;
}
catch (Exception)
{
return false;
}
}
public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
if (User.Identity.IsAuthenticated)
{
return RedirectToAction("Index", "Manage");
}
if (ModelState.IsValid)
{
// Get the information about the user from the external login provider
var info = await AuthenticationManager.GetExternalLoginInfoAsync();
if (info == null)
{
return View("ExternalLoginFailure");
}
var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
result = await UserManager.AddLoginAsync(user.Id, info.Login);
if (result.Succeeded)
{
ApplicationDbContext context = new ApplicationDbContext();
Core.Repository.Identity identity = new Identity
{
IdentityProvider = "",
NameIdentifier = user.Id,
Email = model.Email,
DisplayName = "",
FirstName = model.FirstName,
LastName = model.LastName
};
context.Identities.Add(identity);
context.SaveChanges();
Email.BuildSignUpEmail(identity).Send();
CheckAndHandleUserInvites(identity.IdentityId, model.Email);
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
return RedirectToLocal(returnUrl);
}
}
AddErrors(result);
}
ViewBag.ReturnUrl = returnUrl;
return View(model);
}
public void Start(StartSessionRequest request)
{
using (ApplicationDbContext context = new ApplicationDbContext())
{
Session session = context.Sessions.Single(x => x.SessionId == request.SessionId);
//Session session = context.Sessions.Single(x => x.Version == version);
Identity trainer = session.TrainerId != 0 ?
context.Identities.Where(x => x.IdentityId == session.TrainerId).FirstOrDefault() :
context.Identities.Where(x => x.IdentityId ==
(context.SubscriptionIdentityRoles.Where(y => y.SubscriptionId == session.SubscriptionId && y.Role == "Owner").FirstOrDefault()).IdentityId).FirstOrDefault();
//figure out a URL friendly name for the vm names
string vmNameBase = "tn" + session.SessionId + "vm";
try
{
//check if the session is canceled or the request is no longer valid
if (session.Removed ||
(session.Version != request.Version.ToString()))
{
_logger.InfoFormat("StartSessionRequest for Sessionid: {0} was ignored because Removed: {1} and Version: {2}",
request.SessionId, session.Removed, request.Version);
return;
}
_logger.InfoFormat("Spawning VMs for SessionId: {0} ({1} - {2})", session.SessionId, session.StartDate, session.EndDate);
Subscription subscription = context.Subscriptions.Single(x => x.SubscriptionId == session.SubscriptionId);
IVMManagement vmManagement = AzureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
//TODO: remove the hardcoding at some point in time
string NorthEurope = "North Europe";
VMConfigModel vmConfig = new VMConfigModel(session.Lab.ImageName, NorthEurope)
{
VmSize = (VmSizeEnum)Enum.Parse(typeof(VmSizeEnum), session.VmSize)
};
var sessionUsers = session.SessionUsers.ToList();
var vmUsers = new List<VMUserModel>();
RandomProvider randomProvider = new RandomProvider();
sessionUsers.ForEach(x =>
{
vmUsers.Add(new VMUserModel
{
IdentityId = x.IdentityId,
Username = x.Identity != null ? string.Format("{0}.{1}", x.Identity.FirstName, x.Identity.LastName) : string.Empty,
Password = randomProvider.SecurePassword(8)
});
});
Email.BuildSessionStartVmsEmails(trainer.FirstName, trainer.Email, session, vmNameBase, vmUsers.Count).Send();
var assignedVMs = vmManagement.GenerateVMsForUsers(vmNameBase, vmConfig, vmUsers);
foreach (var assignedVM in assignedVMs)
{
VirtualMachine virtualMachine = new VirtualMachine
{
IdentityId = assignedVM.UserId,
VmAdminPass = assignedVM.Password,
VmAdminUser = assignedVM.UserName,
VmName = assignedVM.VmName,
VmRdpPort = assignedVM.VmRdpPort
};
session.VirtualMachines.Add(virtualMachine);
context.SaveChanges();
}
_logger.InfoFormat("Spawned VMs for SessionId: {0} ({1} - {2})", session.SessionId, session.StartDate, session.EndDate);
_logger.InfoFormat("Sending emails for SessionId: {0} ({1} - {2})", session.SessionId, session.StartDate, session.EndDate);
//well.. this is a hack
//TODO: send the correct service name, that should be returned from the Azure Facade
Email.BuildSessionEndVmsEmails(trainer.FirstName, trainer.Email, session.SessionName, vmNameBase, vmUsers.Count, assignedVMs.Count).Send();
Email.BuildSessionEmails(session, vmNameBase).Send();
}
catch(Exception ex)
{
Email.BuildProblemStartingVmsEmails(trainer.FirstName, trainer.Email, session.SessionName, vmNameBase, ex.InnerException != null ? ex.InnerException.Message : "Error in starting the virtual machine(s).").Send();
throw ex;
}
}
}
private void CreateSubscriptionIdentityMap(Subscription subscription, ApplicationDbContext context, string role)
{
SubscriptionIdentityRole subscriptionIdentity = new SubscriptionIdentityRole
{
Subscription = subscription,
IdentityId = UnitOfWork.CurrentIdentity.IdentityId,
Role = role
};
context.SubscriptionIdentityRoles.Add(subscriptionIdentity);
}
public string BaseVmProvisionedWithExtensions(string templateVmKey)
{
_logger.Info("Entering AzureManagement.BaseVmProvisionedWithExtensions");
string result = "OK";
try
{
using (ApplicationDbContext repository = new ApplicationDbContext())
{
Guid key = new Guid(templateVmKey);
TemplateVM templateVm = repository.TemplateVMs.Single(x => x.Key == key);
Email.BuildTemplateVMReady(templateVm).Send();
}
}
catch (Exception ex)
{
_logger.Fatal("Exception when marking VM provisioned.", ex);
result = "Error";
}
_logger.Info("Exiting AzureManagement.BaseVmProvisionedWithExtensions");
return result;
}
public int CheckForAvailableResources(int subscriptionId, DateTimeOffset sessionStart, DateTimeOffset sessionEnd)
{
int availableCPUs;
using (ApplicationDbContext context = new ApplicationDbContext())
{
//TODO: move warmUP and coolDown into the config
TimeSpan warmUp = new TimeSpan(0, 20, 0);
//there is an extra +5 as this is a safe assumption as how long will it take for azure to
//delete the VMs
TimeSpan coolDown = new TimeSpan(0, 30 + 5, 0);
DateTimeOffset start = sessionStart.Subtract(warmUp);
DateTimeOffset end = sessionEnd.Add(coolDown);
var sameWindowSessions = context.Sessions.Where(x => x.SubscriptionId == subscriptionId &&
x.StartDate <= end && x.EndDate >= start && !x.Removed).ToList();
//int projectedCPUs = sameWindowSessions.Sum(x => Sessions.CalculateSessionCPUs(x));
int projectedCPUs = MaxOverlappingCPUs(sameWindowSessions);
//now check how many VMs programmed are running at the moment
List<VmSizeEnum> runningVMs = context.VirtualMachines
.Where(x => !x.Deleted && !x.Stopped && x.Session.SubscriptionId == subscriptionId)
.Select(x => x.Session.VmSize).ToList()
.Select(x => (VmSizeEnum)Enum.Parse(typeof(VmSizeEnum), x)).ToList();
int currentPlannedCPUs = runningVMs.Sum(x => (int)x);
Subscription subscription = context.Subscriptions
.Single(x => x.SubscriptionId == subscriptionId);
IVMManagement management = AzureFacadeFactory.VMManagement(subscription.AzureSubscriptionId,
subscription.Certificate, subscription.CertificateKey, subscription.BlobStorageName,
subscription.BlobStorageKey);
SubscriptionDetails subscriptionDetails = management.GetSubscriptionDetails();
int unknownCPUs = subscriptionDetails.MaxCoreCount - subscriptionDetails.AvailableCoreCount -
currentPlannedCPUs;
unknownCPUs = Math.Max(unknownCPUs, 0);
availableCPUs = subscriptionDetails.MaxCoreCount - unknownCPUs - projectedCPUs;
}
return availableCPUs;
}