public async Task Invoke(HttpContext httpContext)
{
// Ensure all ShellContext are loaded and available.
_orchardHost.Initialize();
var shellSetting = _runningShellTable.Match(httpContext);
// Register the shell settings as a custom feature.
httpContext.Features[typeof(ShellSettings)] = shellSetting;
// We only serve the next request if the tenant has been resolved.
if (shellSetting != null)
{
ShellContext shellContext = _orchardHost.GetOrCreateShellContext(shellSetting);
using (var scope = shellContext.CreateServiceScope())
{
httpContext.RequestServices = scope.ServiceProvider;
if (!shellContext.IsActivated)
{
lock (shellSetting)
{
// The tenant gets activated here
if (!shellContext.IsActivated)
{
var eventBus = scope.ServiceProvider.GetService<IEventBus>();
eventBus.NotifyAsync<IOrchardShellEvents>(x => x.ActivatingAsync()).Wait();
eventBus.NotifyAsync<IOrchardShellEvents>(x => x.ActivatedAsync()).Wait();
shellContext.IsActivated = true;
}
}
}
await _next.Invoke(httpContext);
}
using (var scope = shellContext.CreateServiceScope())
{
var deferredTaskEngine = scope.ServiceProvider.GetService<IDeferredTaskEngine>();
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var context = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(context);
}
}
}
}
public async Task ExecuteTasksAsync(DeferredTaskContext context)
{
for (var i = 0; i < _deferredTaskState.Tasks.Count; i++)
{
var task = _deferredTaskState.Tasks[i];
try
{
await task(context);
}
catch (Exception e)
{
_logger.LogError("An error occured while processing a deferred task: {0}", e);
}
}
_deferredTaskState.Tasks.Clear();
}
public async Task ExecuteTasksAsync(DeferredTaskContext context)
{
for(var i=0; i < _deferredTaskState.Tasks.Count; i++)
{
var task = _deferredTaskState.Tasks[i];
try
{
await task(context);
}
catch(Exception e)
{
_logger.LogError("An error occured while processing a deferred task: {0}", e);
}
}
_deferredTaskState.Tasks.Clear();
}
public async Task Invoke(HttpContext httpContext)
{
await _next.Invoke(httpContext);
// Register the shell settings as a custom feature.
var shellSettings = httpContext.Features[typeof(ShellSettings)] as ShellSettings;
// We only serve the next request if the tenant has been resolved.
if (shellSettings != null)
{
ShellContext shellContext = _orchardHost.GetOrCreateShellContext(shellSettings);
using (var scope = shellContext.CreateServiceScope())
{
var deferredTaskEngine = scope.ServiceProvider.GetService <IDeferredTaskEngine>();
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var context = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(context);
}
}
}
}
public async Task<string> SetupInternalAsync(SetupContext context)
{
string executionId;
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Running setup for tenant '{0}'.", _shellSettings.Name);
}
// Features to enable for Setup
string[] hardcoded =
{
"Orchard.Hosting", // shortcut for built-in features
"Orchard.Modules",
"Orchard.Recipes"
};
context.EnabledFeatures = hardcoded.Union(context.EnabledFeatures ?? Enumerable.Empty<string>()).Distinct().ToList();
// Set shell state to "Initializing" so that subsequent HTTP requests are responded to with "Service Unavailable" while Orchard is setting up.
_shellSettings.State = TenantState.Initializing;
var shellSettings = new ShellSettings(_shellSettings);
if (string.IsNullOrEmpty(shellSettings.DatabaseProvider))
{
shellSettings.DatabaseProvider = context.DatabaseProvider;
shellSettings.ConnectionString = context.DatabaseConnectionString;
shellSettings.TablePrefix = context.DatabaseTablePrefix;
}
// Creating a standalone environment based on a "minimum shell descriptor".
// In theory this environment can be used to resolve any normal components by interface, and those
// components will exist entirely in isolation - no crossover between the safemode container currently in effect
// It is used to initialize the database before the recipe is run.
var shellDescriptor = new ShellDescriptor
{
Features = context.EnabledFeatures.Select(name => new ShellFeature { Name = name }).ToList()
};
using (var shellContext = _shellContextFactory.CreateDescribedContext(shellSettings, shellDescriptor))
{
using (var scope = shellContext.CreateServiceScope())
{
var store = scope.ServiceProvider.GetRequiredService<IStore>();
try
{
await store.InitializeAsync();
}
catch
{
// Tables already exist or database was not found
// The issue is that the user creation needs the tables to be present,
// if the user information is not valid, the next POST will try to recreate the
// tables. The tables should be rollbacked if one of the steps is invalid,
// unless the recipe is executing?
}
// Create the "minimum shell descriptor"
await scope
.ServiceProvider
.GetService<IShellDescriptorManager>()
.UpdateShellDescriptorAsync(0,
shellContext.Blueprint.Descriptor.Features,
shellContext.Blueprint.Descriptor.Parameters);
// Apply all migrations for the newly initialized tenant
var dataMigrationManager = scope.ServiceProvider.GetService<IDataMigrationManager>();
await dataMigrationManager.UpdateAllFeaturesAsync();
var deferredTaskEngine = scope.ServiceProvider.GetService<IDeferredTaskEngine>();
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var taskContext = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(taskContext);
}
}
_orchardHost.UpdateShellSettings(shellSettings);
executionId = Guid.NewGuid().ToString("n");
// Create a new scope for the recipe thread to prevent race issues with other scoped
// services from the request.
using (var scope = shellContext.CreateServiceScope())
{
var recipeExecutor = scope.ServiceProvider.GetService<IRecipeExecutor>();
// Right now we run the recipe in the same thread, later use polling from the setup screen
// to query the current execution.
//await Task.Run(async () =>
//{
await recipeExecutor.ExecuteAsync(executionId, context.Recipe);
//});
}
}
// Reloading the shell context as the recipe has probably updated its features
using (var shellContext = _orchardHost.CreateShellContext(shellSettings))
{
using (var scope = shellContext.CreateServiceScope())
{
// Apply all migrations for the newly initialized tenant
var dataMigrationManager = scope.ServiceProvider.GetService<IDataMigrationManager>();
await dataMigrationManager.UpdateAllFeaturesAsync();
bool hasErrors = false;
Action<string, string> reportError = (key, message) => {
hasErrors = true;
context.Errors[key] = message;
};
// Invoke modules to react to the setup event
var eventBus = scope.ServiceProvider.GetService<IEventBus>();
await eventBus.NotifyAsync<ISetupEventHandler>(x => x.Setup(
context.SiteName,
context.AdminUsername,
context.AdminEmail,
context.AdminPassword,
context.DatabaseProvider,
context.DatabaseConnectionString,
context.DatabaseTablePrefix,
reportError
));
if (hasErrors)
{
// TODO: check why the tables creation is not reverted
var session = scope.ServiceProvider.GetService<YesSql.Core.Services.ISession>();
session.Cancel();
return executionId;
}
var deferredTaskEngine = scope.ServiceProvider.GetService<IDeferredTaskEngine>();
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var taskContext = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(taskContext);
}
}
// Update the shell state
shellSettings.State = TenantState.Running;
_orchardHost.UpdateShellSettings(shellSettings);
}
return executionId;
}
public async Task<string> ExecuteAsync(string executionId, RecipeDescriptor recipeDescriptor)
{
await _eventBus.NotifyAsync<IRecipeEventHandler>(x => x.RecipeExecutingAsync(executionId, recipeDescriptor));
try
{
var fileInfo = _fileSystem.GetFileInfo(recipeDescriptor.Location);
var parsersForFileExtension = _recipeOptions
.RecipeFileExtensions
.Where(rfx => Path.GetExtension(rfx.Key) == Path.GetExtension(fileInfo.PhysicalPath));
using (var stream = fileInfo.CreateReadStream())
{
RecipeResult result = new RecipeResult { ExecutionId = executionId };
List<RecipeStepResult> stepResults = new List<RecipeStepResult>();
foreach (var parserForFileExtension in parsersForFileExtension)
{
var recipeParser = _recipeParsers.First(x => x.GetType() == parserForFileExtension.Value);
await recipeParser.ProcessRecipeAsync(stream, (recipe, recipeStep) =>
{
// TODO, create Result prior to run
stepResults.Add(new RecipeStepResult
{
ExecutionId = executionId,
RecipeName = recipeDescriptor.Name,
StepId = recipeStep.Id,
StepName = recipeStep.Name
});
return Task.CompletedTask;
});
}
result.Steps = stepResults;
_session.Save(result);
}
using (var stream = fileInfo.CreateReadStream())
{
foreach (var parserForFileExtension in parsersForFileExtension)
{
var recipeParser = _recipeParsers.First(x => x.GetType() == parserForFileExtension.Value);
await recipeParser.ProcessRecipeAsync(stream, async (recipe, recipeStep) =>
{
var shellContext = _orchardHost.GetOrCreateShellContext(_shellSettings);
using (var scope = shellContext.CreateServiceScope())
{
if (!shellContext.IsActivated)
{
var eventBus = scope.ServiceProvider.GetService<IEventBus>();
await eventBus.NotifyAsync<IOrchardShellEvents>(x => x.ActivatingAsync());
await eventBus.NotifyAsync<IOrchardShellEvents>(x => x.ActivatedAsync());
shellContext.IsActivated = true;
}
var recipeStepExecutor = scope.ServiceProvider.GetRequiredService<IRecipeStepExecutor>();
if (_applicationLifetime.ApplicationStopping.IsCancellationRequested)
{
throw new OrchardException(T["Recipe cancelled, application is restarting"]);
}
await recipeStepExecutor.ExecuteAsync(executionId, recipeStep);
}
// The recipe execution might have invalidated the shell by enabling new features,
// so the deferred tasks need to run on an updated shell context if necessary.
shellContext = _orchardHost.GetOrCreateShellContext(_shellSettings);
using (var scope = shellContext.CreateServiceScope())
{
var deferredTaskEngine = scope.ServiceProvider.GetService<IDeferredTaskEngine>();
// The recipe might have added some deferred tasks to process
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var taskContext = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(taskContext);
}
}
});
}
}
await _eventBus.NotifyAsync<IRecipeEventHandler>(x => x.RecipeExecutedAsync(executionId, recipeDescriptor));
return executionId;
}
catch (Exception)
{
await _eventBus.NotifyAsync<IRecipeEventHandler>(x => x.ExecutionFailedAsync(executionId, recipeDescriptor));
throw;
}
}
public async Task<string> SetupInternalAsync(SetupContext context)
{
string executionId;
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Running setup for tenant '{0}'.", _shellSettings.Name);
}
// Features to enable for Setup
string[] hardcoded =
{
"Orchard.Hosting" // shortcut for built-in features
};
context.EnabledFeatures = hardcoded.Union(context.EnabledFeatures ?? Enumerable.Empty<string>()).Distinct().ToList();
// Set shell state to "Initializing" so that subsequent HTTP requests are responded to with "Service Unavailable" while Orchard is setting up.
_shellSettings.State = TenantState.Initializing;
var shellSettings = new ShellSettings(_shellSettings);
if (string.IsNullOrEmpty(shellSettings.DatabaseProvider))
{
shellSettings.DatabaseProvider = context.DatabaseProvider;
shellSettings.ConnectionString = context.DatabaseConnectionString;
shellSettings.TablePrefix = context.DatabaseTablePrefix;
}
// Creating a standalone environment based on a "minimum shell descriptor".
// In theory this environment can be used to resolve any normal components by interface, and those
// components will exist entirely in isolation - no crossover between the safemode container currently in effect
// It is used to initialize the database before the recipe is run.
using (var shellContext = _orchardHost.CreateShellContext(shellSettings))
{
using (var scope = shellContext.CreateServiceScope())
{
executionId = CreateTenantData(context, shellContext);
var store = scope.ServiceProvider.GetRequiredService<IStore>();
await store.InitializeAsync();
// Create the "minimum shell descriptor"
await scope
.ServiceProvider
.GetService<IShellDescriptorManager>()
.UpdateShellDescriptorAsync(
0,
shellContext.Blueprint.Descriptor.Features,
shellContext.Blueprint.Descriptor.Parameters);
// Apply all migrations for the newly initialized tenant
var dataMigrationManager = scope.ServiceProvider.GetService<IDataMigrationManager>();
await dataMigrationManager.UpdateAllFeaturesAsync();
var deferredTaskEngine = scope.ServiceProvider.GetService<IDeferredTaskEngine>();
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var taskContext = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(taskContext);
}
// Invoke modules to react to the setup event
var eventBus = scope.ServiceProvider.GetService<IEventBus>();
await eventBus.NotifyAsync<ISetupEventHandler>(x => x.Setup(
context.SiteName,
context.AdminUsername,
context.AdminEmail,
context.AdminPassword,
context.DatabaseProvider,
context.DatabaseConnectionString,
context.DatabaseTablePrefix)
);
if (deferredTaskEngine != null && deferredTaskEngine.HasPendingTasks)
{
var taskContext = new DeferredTaskContext(scope.ServiceProvider);
await deferredTaskEngine.ExecuteTasksAsync(taskContext);
}
}
}
shellSettings.State = TenantState.Running;
_orchardHost.UpdateShellSettings(shellSettings);
return executionId;
}
