azure-pipelines.yml

trigger:
- main

pool:
  vmImage: 'ubuntu-latest'

resources:
 repositories:
   - repository: helmrepo
     type: github
     name: utkarshpoc/azure-vote-helm-chart
     endpoint: github

variables:
  acr.name: acrdemoutkarsh
  acr.repo.name: helmdemo/vote-app
  HELM_EXPERIMENTAL_OCI: 1

stages:
  - stage: ci
    displayName: CI
    jobs:
      - job: helm_publish_acr
        displayName: helm chart publish
        steps:
        - checkout: helmrepo
          displayName: download chart

        - script: |
            ls $(build.sourcesdirectory)/src
          displayName: list contents

        - task: HelmInstaller@0
          displayName: install helm
          inputs:
            helmVersion: 'latest'
            installKubectl: false

        - script: |
            echo "$(acr.push.password)" | helm registry login $(acr.name).azurecr.io --username $(acr.push.username) --password-stdin
          displayName: login to acr using helm
        
        - script: |
            helm chart save $(build.sourcesdirectory)/src/azure-vote-helm-chart/ $(acr.name).azurecr.io/$(acr.repo.name):latest
          displayName: save the chart and set the alias
        
        - script: |
            helm chart push $(acr.name).azurecr.io/$(acr.repo.name):latest
          displayName: push the chart to acr

  - stage: cd
    displayName: CD
    dependsOn: ci
    jobs:
      - deployment: helm_publish_aks
        displayName: deploy to aks
        environment: 
          name: PROD
          resourceName: helmdemo
          resourceType: Kubernetes
        strategy:
          runOnce:
            deploy:
              steps:
              - task: HelmInstaller@0
                displayName: install helm
                inputs:
                  helmVersion: 'latest'
                  installKubectl: false

              - script: |
                  echo "$(acr.pull.password)" | helm registry login $(acr.name).azurecr.io --username $(acr.pull.username) --password-stdin
                displayName: login to acr using helm

              - bash: |
                    helm chart pull $(acr.name).azurecr.io/$(acr.repo.name):latest
                displayName: get helm chart on agent
              
              - bash: |
                  helm chart export $(acr.name).azurecr.io/$(acr.repo.name):latest --destination $(build.stagingdirectory)
                displayName: export the chart to folder
              
              - task: HelmDeploy@0
                displayName: deploy chart to aks
                inputs:
                  connectionType: 'Azure Resource Manager'
                  azureSubscription: '$(azure.service.connection)'
                  azureResourceGroup: 'demos'
                  kubernetesCluster: 'aksdemoutkarsh'
                  namespace: 'helmdemo'
                  command: 'upgrade'
                  chartType: 'FilePath'
                  chartPath: '$(build.stagingdirectory)/azure-vote/'
                  releaseName: 'helmdemo'
                  arguments: '--create-namespace --install'