public FunctionAppGenerator(FunctionApp functionApp)
{
this.functionApp = functionApp;
}
public ProvisionAzure CreateResources()
{
if (string.IsNullOrWhiteSpace(Name))
{
throw new MissingFieldException("The property 'Name' must be specified.");
}
if (azure.ResourceGroups.Contain(Name))
{
throw new Exception($"Resource group '{Name}' already exists");
}
Console.WriteLine($"Creating Azure resources");
//Generate the key we'll use to build the function urls.
var key = new byte[32];
using (var generator = RandomNumberGenerator.Create())
{
generator.GetBytes(key);
}
string functionApiKey = Convert.ToBase64String(key);
RegisterFunctionUrl = $"https://{Name}-functions.azurewebsites.net/api/register/?code={functionApiKey}";
Console.Write($"Creating resource group '{Name}'... ");
ResourceGroup = azure.ResourceGroups
.Define(Name)
.WithRegion(Location)
.WithTags(CommonTags)
.Create();
Console.WriteLine("done");
try
{
var appDataStorageAccountName = ScrubToAlpha($"{Name}storage");
Console.Write($"Creating storage account '{appDataStorageAccountName}'... ");
AppDataStorageAccount = azure.StorageAccounts
.Define(appDataStorageAccountName)
.WithRegion(Location)
.WithExistingResourceGroup(ResourceGroup)
.WithTags(CommonTags)
.Create();
Console.WriteLine("done");
Console.Write($"Creating app service plan '{Name}-appservice'... ");
AppServicePlan = azure.AppServices.AppServicePlans
.Define($"{Name}-appservice")
.WithRegion(ResourceGroup.Region)
.WithExistingResourceGroup(ResourceGroup)
.WithFreePricingTier()
.WithTags(CommonTags)
.Create();
Console.WriteLine("done");
// Note: Azure Fluent does not support Application Insights yet.
// AppInsights is a class in this project that kinda mimics how Azure Fluent works.
Console.Write($"Creating application insights '{Name}-portal-insights'... ");
WebAppInsights = new AppInsights(AzureRestClient)
.WithName($"{Name}-portal-insights")
.WithResourceGroup(ResourceGroup)
.WithSubscriptionId(Principal.SubscriptionId.ToString())
.WithTags(CommonTags)
.WithAssociatedApp($"{Name}-portal")
.Create();
Console.WriteLine($"done, instrumentation key is {WebAppInsights.Properties.InstrumentationKey}");
Console.Write($"Creating web app '{Name}-portal'... ");
WebApp = azure.AppServices.WebApps
.Define($"{Name}-portal")
.WithExistingWindowsPlan(AppServicePlan)
.WithExistingResourceGroup(AppServicePlan.ResourceGroupName)
.WithTags(CommonTags)
.WithAppSetting("APPINSIGHTS_INSTRUMENTATIONKEY", WebAppInsights.Properties.InstrumentationKey)
.WithAppSetting("AzureStorage", AppDataStorageAccount.GetConnectionString())
.WithAppSetting("ASPNETCORE_ENVIRONMENT", "DEBUG")
// The URL of the function that kicks off the registration process.
.WithAppSetting("RegisterFunctionUrl", RegisterFunctionUrl)
// Running the app from a package zip, already uploaded to Azure storage in the project pipeline.
// If you create your own pipeline, see azure-pipelines.yml for an example how to do this.
// See https://docs.microsoft.com/en-us/azure/app-service/deploy-run-package
.WithAppSetting("WEBSITE_RUN_FROM_PACKAGE", "https://functionsandboxrepo.blob.core.windows.net/deploy/FunctionSandbox.Portal.zip")
.Create();
Console.WriteLine("done");
// Install the Application Insights extension
// Not sure this is needed.
// I've seen references that imply it is necessary for App Insights to track stuff automagically:
// https://winterdom.com/2017/08/01/aiarm
// https://github.com/tomasr/webapp-appinsights
// However, this keeps throwing a 400 error with no explanation.
// Tried it manually using https://docs.microsoft.com/en-us/rest/api/appservice/webapps/installsiteextension#code-try-0
// and it throws a 400 there too.
// Interestingly, this "Microsoft.ApplicationInsights.AzureWebSites" extension does not appear when listing site extensions
// for an existing web app. https://docs.microsoft.com/en-us/rest/api/appservice/webapps/listsiteextensions#code-try-0)
// Maybe it's been added as part of a standard web app in version ~3?
Console.Write($"Installing extension 'Microsoft.ApplicationInsights.AzureWebSites' on '{WebApp.Name}'... ");
try
{
new SiteExtension(AzureRestClient)
.WithAssociatedApp(WebApp.Name)
.WithExtensionName("Microsoft.ApplicationInsights.AzureWebSites")
.WithResourceGroup(ResourceGroup)
.WithSubscriptionId(Principal.SubscriptionId.ToString())
.WithTags(CommonTags)
.Create();
Console.WriteLine("done");
}
catch (Exception ex)
{
ConsoleColor.Red.WriteLine($"failed, {ex.Message}");
}
var functionStorageAccountName = ScrubToAlpha($"{Name}storage");
Console.Write($"Creating storage account '{functionStorageAccountName}'... ");
FunctionStorageAccount = azure.StorageAccounts
.Define(functionStorageAccountName)
.WithRegion(Location)
.WithExistingResourceGroup(AppServicePlan.ResourceGroupName)
.Create();
Console.WriteLine("done");
// Note: Azure Fluent does not support Application Insights yet.
// AppInsights is a class in this project that kinda mimics how Azure Fluent works.
Console.Write($"Creating application insights '{Name}-functions-insights'... ");
FunctionAppInsights = new AppInsights(AzureRestClient)
.WithName($"{Name}-functions-insights")
.WithResourceGroup(ResourceGroup)
.WithSubscriptionId(Principal.SubscriptionId.ToString())
.WithTags(CommonTags)
.WithAssociatedApp($"{Name}-functions")
.Create();
Console.WriteLine($"done, instrumentation key is {FunctionAppInsights.Properties.InstrumentationKey}");
Console.Write($"Creating function app '{Name}-functions'... ");
FunctionApp = azure.AppServices.FunctionApps
.Define($"{Name}-functions")
.WithExistingAppServicePlan(AppServicePlan)
.WithExistingResourceGroup(AppServicePlan.ResourceGroupName)
.WithExistingStorageAccount(FunctionStorageAccount)
.WithRuntimeVersion("~3")
.WithNetFrameworkVersion(NetFrameworkVersion.V4_6)
// Running the app from a package zip, already uploaded to Azure storage in the project pipeline.
// If you create your own pipeline, see azure-pipelines.yml for an example how to do this.
// See https://docs.microsoft.com/en-us/azure/app-service/deploy-run-package
.WithAppSetting("WEBSITE_RUN_FROM_PACKAGE", "https://functionsandboxrepo.blob.core.windows.net/deploy/FunctionSandbox.Functions.zip")
.WithAppSetting("AzureWebJobsStorage", FunctionStorageAccount.GetConnectionString())
.WithAppSetting("APPINSIGHTS_INSTRUMENTATIONKEY", FunctionAppInsights.Properties.InstrumentationKey)
.WithAppSetting("FUNCTIONS_WORKER_RUNTIME", "dotnet")
.WithAppSetting("AzureStorage", AppDataStorageAccount.GetConnectionString())
.WithAppSetting("TwilioAccountSid", Settings.TwilioAccountSid)
.WithAppSetting("TwilioAuthToken", Settings.TwilioAuthToken)
.WithAppSetting("TwilioFromNumber", Settings.TwilioFromNumber)
.WithAppSetting("SendgridApiKey", Settings.SendgridApiKey)
.WithAppSetting("EmailFromAddress", Settings.EmailFromAddress)
.WithAppSetting("SmsVerifyUrl", "https://" + WebAppHostName + "/VerifySms/{0}")
.WithAppSetting("EmailVerifyUrl", "https://" + WebAppHostName + "/VerifyEmail/{0}")
// Necessary because the FunctionApp APIs that deal with keys (like FunctionApp.GetMasterKey())
// won't work with the default (blob) storage.
// See https://github.com/Azure/azure-functions-host/wiki/Changes-to-Key-Management-in-Functions-V2
// This affects both ARM and Fluent.
.WithAppSetting("AzureWebJobsSecretStorageType", "Files")
.Create();
Console.WriteLine("done");
Console.Write($"Adding the function key to 'StartRegister'... ");
FunctionApp.AddFunctionKey("StartRegister", "PortalKey", functionApiKey);
Console.WriteLine("done");
// Console.Write($"Updating WebApp settings... ");
// // Update the WebApp with a setting so it has the "Register function" URL.
// // I'm not real thrilled about this. I'd rather add an appsetting with a pre-generated key
// // to the WebApp at the same time I'm creating it, and then add that same key to the function
// // in this function app using:
// // FunctionApp.AddFunctionKey(functionName, keyName, keyValue)
// // But to do that, the function would have to have already been deployed.
// // Instead, we're using the master key... not a really secure thing.
// var masterKey = FunctionApp.GetMasterKey();
// RegisterFunctionUrl = $"https://{FunctionAppHostName}/api/register/?code={masterKey}";
// WebApp.Update()
// .WithAppSetting("RegisterFunctionUrl", RegisterFunctionUrl)
// .Apply();
// Console.WriteLine("done");
}
catch (Exception ex)
{
ConsoleColor.Red.WriteLine(ex.Message);
Console.WriteLine("Rolling back...");
azure.ResourceGroups.DeleteByName(ResourceGroup.Name);
throw ex;
}
Console.WriteLine("Finished creating Azure resources.");
return(this);
}
