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Azure DevOps - Build, Push to ACR and Deploy to AKS

Step-00: Pre-requisites

  • We should have Azure AKS Cluster Up and Running. 
    # Configure Command Line Credentials
az aks get-credentials --name aksdemo2 --resource-group aks-rg2

# Verify Nodes
kubectl get nodes 
kubectl get nodes -o wide

Step-01: Introduction

  • Add a Deployment Pipeline in Azure Pipelines to Deploy newly built docker image from ACR to Azure AKS

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Step-02: Create Pipeline for Deploy to AKS

  • Go to Pipleines -> Create new Pipleine
  • Where is your code?: Github
  • Select a Repository: "select your repo" (stacksimplify/azure-devops-github-acr-aks-app1)
  • Configure your pipeline: Deploy to Azure Kubernetes Service
  • Select Subscription: stacksimplify-paid-subscription (select your subscription)
  • Provide username and password (Azure cloud admin user)
  • Deploy to Azure Kubernetes Service
  • Cluster: aksdemo3
  • Namespace: existing (default)
  • Container Registry: aksdevopsacr
  • Image Name: app1nginxaks
  • Service Port: 80
  • Click on Validate and Configure
  • Review your pipeline YAML
  • Change Pipeline Name: 02-docker-build-push-to-acs-deploy-to-aks-pipeline.yml
  • Click on Save and Run
  • Commit Message: Docker, Build, Push and Deploy to AKS
  • Commit directly to master branch: check
  • Click on Save and Run

## Step-03: Verify Build and Deploy logs - Build stage should pass. Verify logs - Deploy stage should pass. Verify logs

Step-04: Verify Build and Deploy pipeline logs

  • Go to Pipeline -> Verify logs 
    # Verify Pods
kubectl get pods

# Get Public IP
kubectl get svc

# Access Application
http://<Public-IP-from-Get-Service-Output>

## Step-05: Rename Pipeline Name - Go to pipeline -> Rename / Move - Name: 02-Docker-BuildPushToACR-DeployToAKSCluster - Folder: App1-Pipelines - Refresh till changes reflect - Verify -> Pipelines -> Click on All tab

Step-06: Make Changes to index.html and Verify

 # Pull
 git pull

# Make changes to index.html
Change version to V3

# Commit and Push
git commit -am "V3 commit index.html"
git push

# Verify Build and Deploy logs
- Build stage logs
- Deploy stage logs
- Verify ACR Repository

# List Pods (Verify Age of Pod)
kubectl get pods 

# Get Public IP
kubectl get svc

# Access Application
http://<Public-IP-from-Get-Service-Output>

Step-07: Disable Pipeline

  • Go to Pipeline -> 02-Docker-BuildPushToACR-DeployToAKSCluster -> Settings -> Disable

Step-08: Review Pipeline code

  • Click on Pipeline -> Edit Pipeline
  • Review pipeline code
  • Review Service Connections ```yaml # Deploy to Azure Kubernetes Service

Build and push image to Azure Container Registry; Deploy to Azure Kubernetes Service

https://docs.microsoft.com/azure/devops/pipelines/languages/docker

trigger: - master

resources: - repo: self

variables:

# Container registry service connection established during pipeline creation dockerRegistryServiceConnection: '8e06f498-fd9e-481c-8453-12d8c2da0245' imageRepository: 'app1nginxaks' containerRegistry: 'aksdevopsacr.azurecr.io' dockerfilePath: '**/Dockerfile' tag: '$(Build.BuildId)' imagePullSecret: 'aksdevopsacr1755e8d5-auth'

# Agent VM image name vmImageName: 'ubuntu-latest'

stages: - stage: Build displayName: Build stage jobs:
- job: Build displayName: Build pool: vmImage: $(vmImageName) steps: - task: Docker@2 displayName: Build and push an image to container registry inputs: command: buildAndPush repository: $(imageRepository) dockerfile: $(dockerfilePath) containerRegistry: $(dockerRegistryServiceConnection) tags: | $(tag)

- upload: manifests
  artifact: manifests
  • stage: Deploy displayName: Deploy stage dependsOn: Build

jobs: - deployment: Deploy displayName: Deploy pool: vmImage: $(vmImageName) environment: 'stacksimplifyazuredevopsgithubacraksapp1internal-1561.default' strategy: runOnce: deploy: steps: - task: KubernetesManifest@0 displayName: Create imagePullSecret inputs: action: createSecret secretName: $(imagePullSecret) dockerRegistryEndpoint: $(dockerRegistryServiceConnection)

      - task: KubernetesManifest@0
        displayName: Deploy to Kubernetes cluster
        inputs:
          action: deploy
          manifests: |
            $(Pipeline.Workspace)/manifests/deployment.yml
            $(Pipeline.Workspace)/manifests/service.yml
          imagePullSecrets: |
            $(imagePullSecret)
          containers: |
            $(containerRegistry)/$(imageRepository):$(tag)

## Step-09: Clean-Up Apps in AKS Cluster # Delete Deployment kubectl get deploy kubectl delete deploy app1nginxaks

# Delete Service kubectl get svc kubectl delete svc app1nginxaks ```

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