How to Create a Bearer Token

Intro Here's the code that I learned to create for generating an authorization token: Writing the Test The following test was written to generate a bearer token: [<Test>] let ``get authorization token``() = let section = ConfigurationManager.GetSection("section.bearerToken") :?> NameValueCollection; let kvPairs = section.AllKeys.Select(fun k -> new KeyValuePair<string, string>(k, section[k])); let tenantId = kvPairs.Single(fun v -> …

F#: When HttpClient PostAsJsonAsync no longer works

Intro I recently upgraded all of the NuGet packages inside my Visual Studio solution. The result was breaking changes at runtime. Specifically, HttpClient::PostAsJsonAsync was resulting in an empty JSON value. The following HttpClient::PostAsJsonAsync example of such code: use client = httpClient baseAddress let encoded = Uri.EscapeUriString(resource) let! response = client.PostAsJsonAsync(encoded, payload) |> Async.AwaitTask Here are …

Pulumi: How can a Function App reference a connection string from a SQL Server Database declaration?

Using Pulumi, I recently learned how to obtain a connection string from SQL Server database declaration. I needed this connection string so that I could register its value in an App Setting. I learned that Pulumi provides the ConnStringInfoArgs type to accommodate this need. Here's some example code below: using System; using Pulumi; using Pulumi.AzureNative.Resources; …

Pulumi: Function App, Key Vault, and Access Policy

My Brain Dump How can a Function App access Azure Key Vault secrets? Known Issue and workaround: I referenced the issue I was observing and used the recommended work around. Below is the workaround. Function App First, provide an identity value to the Function App declaration: Identity = new FunctionAppIdentityArgs { Type = "SystemAssigned" }, …

Pulumi Code Examples

My hobby project consists of building a mobile delivery platform. Thus, I needed some Infrastructure as Code (aka: IaC) to provision deployments. My goal was to have code structured as follows: Fortunately, I was able to learn the basics and write the proof of concept in a short amount of time. Here's some clients to …

F#: Azure Service Bus (Topic Subscription)

Azure Topic Listener namespace Notifications.DataGateway open System open System.Text open System.Diagnostics open System.Threading.Tasks open Azure.Messaging.ServiceBus open Newtonsoft.Json open Notifications.DataTransfer open Notifications.DataGateway type AzureTopicListener<'T>(subscriptionInfo:SubscriptionInfo) as x = let topic = subscriptionInfo.Topic let subscription = subscriptionInfo.Subscription let connectionString = subscriptionInfo.ConnectionString let requested = Event<_>() let mutable serviceBusClient : ServiceBusClient = null let mutable processor : ServiceBusProcessor = …

F#: Extract key value pairs from an app config file

The following snippet extracts key value pairs from the AppSettings section of an app config file: let appSettings = ConfigurationManager.AppSettings let serviceKeys = ConfigurationManager.AppSettings.AllKeys |> Seq.filter (fun k -> k.ToString().EndsWith "Fn") |> Seq.map (fun k -> (k,appSettings.GetValues(k).First())) <appSettings> <add key="MyAzureFn" value="some_value_1"/> <add key="MyOtherAzureFn" value="some_value_2"/> <add key="MyThirdAzureFn" value="some_value_3"/> </appSettings>

Deploying Azure SignalR

Update the upstream URL pattern so that it contains the SignalR extension key: The SignalR extension key can be found under App Keys: Appendix: using System.Threading.Tasks; using Microsoft.Azure.WebJobs; using Microsoft.Azure.WebJobs.Extensions.Http; using Microsoft.AspNetCore.Http; using Microsoft.Azure.WebJobs.Extensions.SignalRService; using Microsoft.AspNetCore.SignalR; using Microsoft.Extensions.Logging; using static AzureSignalR.LocationReporting.Language; namespace AzureSignalR.Functions { public class LocationHub : ServerlessHub { const string NewMessageTarget = "newMessage"; …

Azure SignalR Client – Group connection

SignalR Client using Microsoft.AspNetCore.SignalR.Client; using static OrderRequest.Core; namespace SignalR.Support { public enum Connection { IsDisconnected, IsConnecting, IsConnected, } public class ClientSignalR { static ClientSignalR _clientSignalR; public static ClientSignalR Instance { get { if (_clientSignalR == null) { _clientSignalR = new ClientSignalR(); } return _clientSignalR; } } private ClientSignalR() { } public event Action<object> OnMessageReceived; HubConnection …