public IActionResult Create([RegularExpression(@"^(Datalake|Blob)$")] string resourceType)
{
_logger.LogTrace($"HomeController.Create (GET) for {resourceType} entered.");
try {
var creationVm = new ResourceToCreateViewModel
{
TryWithoutPrivilegedBackend = false,
ResourceName = "",
FriendlyType = resourceType,
Location = "",
ResourceSku = MszCool.Samples.PodIdentityDemo.ResourcesRepository.Sku.Standard
};
// For a Datalake in this example a filesystem name and folder name can be passed in.
if (resourceType == "Datalake")
{
creationVm.ResourcePropertiesForCreation = new Dictionary <string, string> {
{ "Filesystem", "demofs" },
{ "Folder", "default" }
};
}
return(View(creationVm));
}
finally {
_logger.LogTrace($"HomeController.Create (GET) for {resourceType} completed.");
}
}
public async Task <IActionResult> Create([Bind] ResourceToCreateViewModel creationInfo)
{
_logger.LogTrace($"HomeController.Create (POST) with {creationInfo.ResourceName} entered.");
try {
if (ModelState.IsValid)
{
// Trying without the privileged backend service should demonstrate the value of the concept of
// creating privileged, private microservices for control plane operations of an PaaS/SaaS platform
// that needs to provision resources when dynamically provisioning customer instances / tenants for their offering.
if (creationInfo.TryWithoutPrivilegedBackend)
{
_logger.LogInformation($"HomeController.Create (POST) trying to create resource of type {creationInfo.FriendlyType} without backend-service.");
switch (creationInfo.FriendlyType)
{
case "Datalake":
await _storageRepo.CreateAsync(
creationInfo.ResourceName,
creationInfo.Location,
StorageType.Datalake,
creationInfo.ResourceSku,
_frontendSettings.SecurityConfig.ClientId,
creationInfo.ResourcePropertiesForCreation["Filesystem"],
creationInfo.ResourcePropertiesForCreation["Folder"]);
break;
case "Blob":
await _storageRepo.CreateAsync(
creationInfo.ResourceName,
creationInfo.Location,
StorageType.Blob,
creationInfo.ResourceSku);
break;
default:
throw new System.ArgumentException("Invalid resource type passed in. Please check valid types for this sample!");
}
;
_logger.LogInformation($"HomeController.Create (POST) created resource of type {creationInfo.FriendlyType} without backend-service, SUCCESSFULLY.");
}
else
{
_logger.LogInformation($"HomeController.Create (POST) trying to create resource of type {creationInfo.FriendlyType} WITH gRPC backend-service.");
// Call the privileged backend service. In a setup in which the managed identity of this frontend web app
// has reader permissions, only (which should be the case), only by calling the privileged backend service
// the resource creation operations should succeed.
#pragma warning disable CS8524 // The switch expression does not handle some values of its input type (it is not exhaustive) involving an unnamed enum value.
var requestMessage = new ResourceCreationRequest
{
Name = creationInfo.ResourceName,
Location = creationInfo.Location,
Sku = creationInfo.ResourceSku switch // This here caused CS8524 - probably a compiler bug?
{
ResourcesRepository.Sku.Basic => SupportedSkus.Basic,
ResourcesRepository.Sku.Standard => SupportedSkus.Standard,
ResourcesRepository.Sku.Premium => SupportedSkus.Premium
},
ResType = creationInfo.FriendlyType switch
{
"Datalake" => SupportedResourceTypes.Datalake,
"Blob" => SupportedResourceTypes.Storage,
_ => SupportedResourceTypes.Generic
}
};
