Every Monday, I share my reading notes. Those are the articles, blog posts, podcast episodes, and books that catch my interest during the week and that I found interesting. It's a mix of the actuality and what I consumed.
Myself: It's not weird at all (Hanselminutes - Fresh Talk and Tech for Developers) - I nice episode much longer than the usual, but the guest is also special... It's Scott. During a Live Stream on Twitch it the Live Coders... People suggest making a podcast episode of the interview... I couldn't agree more.
The Power of Humor in Tech with Chloe Condon (Screaming in the Cloud) - Very refreshing episode with the awesome and very colorful Chloe. Nice show that goes to fast. Very interesting discussion about the non-traditional way to technical work, and its success.
Gather Your Community or Get Left Behind—Mighty Networks and More (The Smart Passive Income Online Business ) - Nice episode that talks about what comes after blogging... The alternative to Facebook community and different opportunities to answer our graving of community and feeling of appurtenance.
You hear about that new GitHub Actions. Or maybe you didn't but would like to add a continuous integration, continuous deployment (CI-CD) to your web application. In this post, I will show you how to add a CI-CD to deploy automatically to Azure using the GitHub Actions.
What are GitHub Actions
GitHub Actions are automated workflows to do things. One of these could be a CI-CD. Using a workflow you could decide to compile and execute some unit tests at every push or pull request (PR). Another workflow could be that you deploy that application.
In this article, I will deploy a .Net Core application in Azure. However, you can use any languages you would like and deploy anywhere you like... I just needed to pick one :)
Now, let's get started.
Step 1 - The Code.
We need some code in a GitHub repo. Create a GitHub repo, clone it locally. And your app in it. I created mine with dotnet new blazorserver -n cloud5minsdemo -o src. Then commit and push.
Step 2 - Define the workflow
We got the code, now it's time to define our workflow. I will be providing all the code snippets required for the scenario cover in this post, but there is tons of template ready to be used available directly from your GitHub repository! Let's have a look. From your repository click on the Action tab, and voila!
When I wrote this post, a lot of available templates assumed the Azure resources already existed and you and adding a CI-CD to the mixt to automated your deployment. It's great but in my case, I was building a brand new web site so those didn't fit my needs. This is why I created my own template. The workflow I created was inspired by Azure/webapps-deploy. And there a lot of information also available on Deploy to App Service using GitHub Actions.
Let's add our template to our solution. GitHub will look in the folder .github/workflows/ from the root of the repository. Then create a file with the extension .yml
Here the code for my dotnet.yml, as any YAML file the secret is in the indentation as it is whitespace sensitive:
on: [push,pull_request]
env:
AZURE_WEBAPP_NAME: cloud5minsdemo # set this to your application's name
AZURE_GROUP_NAME: cloud5mins2
jobs:
build-and-deploy:
runs-on: ubuntu-latest
steps:
# checkout the repo
- uses: actions/checkout@master
- name: Setup .NET Core
uses: actions/setup-dotnet@v1
with:
dotnet-version: 3.0.101
# dotnet build and publish
- name: Build with dotnet
run: dotnet build ./src --configuration Release
- name: dotnet publish
run: |
dotnet publish ./src -c Release -o myapp
- uses: azure/login@v1
with:
creds: ${{ secrets.AZURE_CREDENTIALS }}
- run: |
az group create -n ${{ env.AZURE_GROUP_NAME }} -l eastus
az group deployment create -n ghaction -g ${{ env.AZURE_GROUP_NAME }} --template-file deployment/azuredepoy.json
# deploy web app using Azure credentials
- name: 'Azure webapp deploy'
uses: azure/webapps-deploy@v1
with:
app-name: ${{ env.AZURE_WEBAPP_NAME }}
package: './myapp'
# Azure logout
- name: logout
run: |
az logout
The Agent
There is a lot in there let's start by the first line. The on: is to define the trigger, in this case, the workflow will be trigger at every push or PR.
The env: is where you can declare variables. It's totally optional, but I think it will help then templates are more complex or simply to reuse them easily.
Then comes the jobs: definition. In this case, we will use the latest version of Ubuntu as our build agent. Of course, in a production environment, you should be more specify and select the OS that matches your needs. This job will have multiples steps defined in the, you guess it, steps: section/
We specify a branch to work with and set up our agent by:
And it would be a better idea to set the version as an environment variable to be able to change it quickly.
The next two instructions are really .Net Core focus as they will build and package the application into a folder myapp. Of course, in the "section" you could execute some unit test or any other validation that you may find useful.
To have our GitHub Action to be able to create resources and deploy the code it needs to have access. The azure/login@v1 will let the Action login, using a Service Principal. In other words, we will create an authentication in the Azure Active Directory, with enough permission to do what we need.
This will create a Service Principal named "c5m-Frankdemo" with the role "contributor" on the subscription specified. The role contributor can do mostly anything except granting permission.
Because no resources already existed the GitHub Action will require more permission. If you create the Resource Group outside of the CI-CD, you could limit the access only to this specific resource group. Using this command instead:
The Azure CLI command will return a JSON. We will copy-paste this JSON into a GitHub secret. GitHub secrets encrypted secrets and allow you to store sensitive information, such as access tokens, in your repository. To access them go in the Settings of the repository and select Secrets from the left menu.
Click the Add a new secret button, and type AZURE_CREDENTIALS as the name. It could be anything, as long as you use that value in the YAML file describing the workflow. Put the JSON including the curly brackets in the Value textbox and click the save button.
Provisioning the Azure Resources
Now that the workflow has access we could execute some Azure CLI commands, but let's see what missing:
- run: |
az group create -n ${{ env.AZURE_GROUP_NAME }} -l eastus
az group deployment create -n ghaction -g ${{ env.AZURE_GROUP_NAME }} --template-file deployment/azuredepoy.json --parameters myWebAppName=${{ env.AZURE_WEBAPP_NAME }}
The first command will create an Azure Resource Group, where all the resources will be created. The second one will deploy the website using an Azure Resource Manager (ARM) template. The --template-file deployment/azuredepoy.json tells us the template is a file named azuredeploy.json located in the folder deployment. Notice that the application name is passed to a parameter myWebAppName, using the environment variable.
An ARM template is simply a flat file that a lot like a JSON document. Use can use any text editor, I like doing mine with Visual Studio Code and two extensions: Azure Resource Manager Snippets, and Azure Resource Manager (ARM) Tools With those tools I can build ARM template very efficiently. For this template, we need a service plane and a web App. Here what the template looks like.
This template is simple, it only contains the two required resources: a service plan, and a web app. To learn more about the ARM Template you can read my other post or check out this excellent introduction in the documentation.
Once the template is created and saved in its folder.
The deployment
There are only two last steps to the YAML file: the deployment and logout. Let's have a quick look at the deployment.
Now that we are sure the resources exist in Azure we can deploy the code. This will be done with azure/webapps-deploy@v1 that will take the package generated by dotnet into myapp. Since we are already authenticated there is no need to specify anything at this point.
Everything is ready for the deployment. You just need to commit and push (into master) and the GitHub Action will be triggered. You can follow the deployment by going into the Actions tab.
After a few minutes, the website should be available in Azure. This post only shows a very simple build and deployment, but you can do so many things with those GitHub Actions, like executing tasks or packaging a container... I would love to know how you use them. Leave a comment or reach out on social media.
Every week, I publish my reading notes. Those are the articles, blog posts, podcast episodes, and books that catch my interest and that I found interesting. It's a mix of the actuality and what I was looking for.
Cloud
Azure Mystery Mansion - Microsoft in Business Blogs (Em Lazer-Walker) - Very interesting post. As I'm writing myself a text-based adventure game(just for fun) it's interesting to see the different approaches and tools available.
Every week, I publish my reading notes. Those are the articles, blog posts, podcast episodes, and books that catch my interest and that I found interesting. It's a mix of the actuality and what I was looking for.
ASP.NET Core updates in .NET Core 3.1 (Sourabh Shirhatti) - I'm very excited about this 3.1 version.I'm not sure why maybe it's because it is the long-time support (LTS). Nevertheless, I will update all my projects.
Use Google Sheets to translate faster (Robin Kretzschmar) - Woo! That's pretty cool. Automatic translation is never the best but this is very convenient.
7 Dangers of Micromanagement ( Jack Wallen) - Nice post to help you give the best version of yourself. (Note it's now 6, but it was 7 when I read it)
Every week, I publish my reading notes. Those are the articles, blog posts, podcast episodes, and books that catch my interest and that I found interesting. It's a mix of the actuality and what I was looking for.
Cloud
Azure Functions with QueueTriggers and .NET Core – Configuration and Troubleshooting (Jeff) - Poor Jeff, I was there on his stream and he struggles so much to understand what was happening. And honestly me too! Despite the fact that I know and use Azure Function regularly I completely missed the missing instruction... The good news is since the documentation is open-source we can improve it...
Programming
A quick overview of ASP.NET Core with Rider (Rachel Appel) - I never used Rider in a real project. However, the quality of this code IDE is not in question. It looks awesome and this post shows how it supports the latest version of .Net Core.
Visual Studio Extensions: 8 You Should Check Out (Carlos Schults) - A nice post that shares useful extensions for developers. I also like the fact that in the title it's 8 and in the url it's 7 LOL...
I'm still balanced about this book. It was a good book, even if I found some chapters that were too long. I also got lost by moments. I had the impression that some thoughts or ideas were not developed correctly and more quickly wrapped. In counterpart, some were very well served and clear.
Azure DevOps Roadmap update for 2019 Q4 (Gloridel Morales) - Since the multi-stage pipeline launch in May, the team as been listening to his community. In this post learn more about what they have been working on and what is their roadmap.
Code Comments (Donn Felker) - Very smart idea! I'm staring using that rule right away.
Microservices Fundamentals (Mark Heath) - New course on Pluralsight about an indeed challenging topic. This post shares the plan of that Microservices course.
Stop Waiting! Start using Async and Await! (Simon Hawe) - Learn the power of async in this excellent post. The example may be in Python the idea is the same however language we are using.
What’s in my bag for Microsoft Ignite 2019 (Thomas Maurer) - As I'm packing my own bag, going to Ignite for the first time it's interesting to see what others bring... (Note to myself next time don't leave at home your network cable adapter)
I really like this book, and planning to read it again soon. I like the way things are simply explained. Like if you deconstructed a situation and then re-building it. It felt authentic and true. It's nothing transcending, but the way it is explained is great.
Andrew Connell's Blog (Andrew Connell) - This nice post is the second of a series of three. It explains how to do every step but also why the author decided to do that.
Highlights from Git 2.23 ( Taylor Blau) - This was the first time I notice an update of git... It is very intriguing to see such a powerful tool evolving and see some experimental feature. It's a long post, but totally worth it.
Docker from the beginning — part III (Chris Noring) - Third of this docker series. I like how it is not only a happy path but the learning path with the fails and victories.
Extreme Ownership: How U.S. Navy SEALs Lead and Win (Jocko Willink, Leif Babin) - Very interesting book. Yes, it contains a lot of battle details, and first I was not sure, but then things "fall" all in place when you understand what the story was "demonstrating." It also contains more business focus examples. Everything is very clear, well explained in plain English.
For a project I just started, I need to create Azure resources from code. In fact, I want to create an Azure Container Instance. I already know how to create a container from Logic Apps and Azure CLI/PowerShell, but I was looking to create it inside an Azure Function. After a quick research online, I found the Azure Management Libraries for .NET (aka Fluent API) a project available on Github that do just that (and so much more)!
In this post, I will share with you how this library work and the result of my test.
The Goal
For this demo, I will create a .Net Core console application that creates an Azure Containter Instance (ACI). After it should be easy to take this code and migrate to an Azure Function or anywhere else.
The Console Application
Let's create a simple console application with the following command: dotnet new console -o AzFluentDemo cd AzFluentDemo dotnet add package microsoft.azure.management.fluent The last command will use the nuget package available online an add it to our solution. Now we need a service principal so our application could access the Azure subscription. A since way to create one is the use Azure CLI az ad sp create-for-rbac --sdk-auth > my.azureauth This will create an Active Directory (AD) Service Principal (SP) and write the content into the file my.azureauth. Perfect, now open the solution, for this kind of project, I like to use Visual Studio Code so code . will do the work for me. Replace the content of the Program.cs file by the following code.
using System;
using Microsoft.Azure.Management.Fluent;
using Microsoft.Azure.Management.ResourceManager.Fluent;
using Microsoft.Azure.Management.ResourceManager.Fluent.Core;
namespace AzFluentDemo
{
class Program
{
static void Main(string[] args)
{
string authFilePath = "/home/frank/Dev/AzFluentDemo/my.azureauth";
string resourceGroupName = "cloud5mins";
string containerGroupName = "frank-containers";
string containerImage = "microsoft/aci-helloworld";
// Set Context
IAzure azure = Azure.Authenticate(authFilePath).WithDefaultSubscription();
ISubscription sub;
sub = azure.GetCurrentSubscription();
Console.WriteLine($"Authenticated with subscription '{sub.DisplayName}' (ID: {sub.SubscriptionId})");
// Create ResoureGroup
azure.ResourceGroups.Define(resourceGroupName)
.WithRegion(Region.USEast)
.Create();
// Create Container instance
IResourceGroup resGroup = azure.ResourceGroups.GetByName(resourceGroupName);
Region azureRegion = resGroup.Region;
// Create the container group
var containerGroup = azure.ContainerGroups.Define(containerGroupName)
.WithRegion(azureRegion)
.WithExistingResourceGroup(resourceGroupName)
.WithLinux()
.WithPublicImageRegistryOnly()
.WithoutVolume()
.DefineContainerInstance(containerGroupName + "-1")
.WithImage(containerImage)
.WithExternalTcpPort(80)
.WithCpuCoreCount(1.0)
.WithMemorySizeInGB(1)
.Attach()
.WithDnsPrefix(containerGroupName)
.Create();
Console.WriteLine($"Soon Available at http://{containerGroup.Fqdn}");
}
}
}
In the first row, I declare a few constants. The path of the service principal created earlier, resource group name, the container group name, and the image I will use. For this demo aci-helloworld. Then we get access with the Azure.Authenticate. Once we got access, it's y easy and the intellisense is fantastic! I don't think I need to explain the rest of the code as it already self-explanatory.
Got an Error?
While running you main in contour an error message complaining about the namespace not being registered or something like that ( I'm sorry I did not note the error message). You only need to register it with the command:
az provider register --namespace Microsoft.ContainerInstance
It will take a few minutes. To see if it's done you can execute this command:
az provider show -n Microsoft.ContainerInstance --query "registrationState"
Wrap it up
And voila! If you do a dotnet run after a minute or two, you will have a new web application running inside a container available from http://frank=containers.eastus.azurecontainer.io. It's now very easy to take that code and bring it to an Azure Function or in any .Net Core Application that runs anywhere (Linux, Windows, Mac Os, web, containers, etc.)!
Azure Portal October update (Peri Rocha) - I'm sure you noticed... The portal is always evolving getting better every day. This post list all the changes, what have you missed?
Introducing Azure Functions 2.0 (Eduardo Laureano) - Wow, the Azure Functions has evolved so much since the beginning. It's time to upgrade our old functions.
Microsoft Ignite Aftermath ( Chris Pietschmann, Dan Patrick) - If you are like me and need to catch up on what append to Ignite, this post is a really good place to start as it contains a list of all the links we need.
Securing Web Applications - Simple Talk (Vishwas Parameshwarappa) - Security should be in our priority in this time of APIs and IoT.... Excellent post to get started with multiple security breaches and how to fix them.
Tuples In C# (Mahesh Chand) - Tuples are one feature introduced in .Net 4.0 that can simplify our life a lot. Learn how in this post.
Windows Insider Program.next() (Dona Sarkar) - The Windows 10 anniversary edition is out since August 2nd. This post is about the community who made that possible, and explains how you could join.
IaaS isn’t your only path to outsized gains (James Staten) - Excellent post full of true and interesting facts that, at a very high level, explains the real power of the cloud.
Release notes (Matt Farmer) - Easier than ever, no more need to dig to know what new in each release. Read what the Api Management team has cooked for us.
Exploring dotnet new with .NET Core (Scott Hanselman) - I discover the different types in dotnet new command during Julie Lerman's talk at DevTeach and now this post shows a list of incredible opportunities.
Programming
Cloud
Extreme Ownership: How U.S. Navy SEALs Lead and Win
