Module 5 : Pipelines CD (Déploiement Continu)

Multi-stage Pipeline

+----------------------------------------------------------+
|                    PIPELINE CD                            |
+----------------------------------------------------------+
|                                                           |
|   Build --> Deploy Dev --> Deploy Test --> Deploy Prod   |
|              (auto)        (auto)          (approval)    |
|                                                           |
+----------------------------------------------------------+
            

# azure-pipelines.yml - Multi-stage
trigger:
  - main

stages:
  - stage: Build
    jobs:
      - job: BuildJob
        pool:
          vmImage: 'ubuntu-latest'
        steps:
          - script: echo "Building..."
          - publish: $(Build.SourcesDirectory)/artifacts
            artifact: synapse-deploy

  - stage: DeployDev
    dependsOn: Build
    condition: succeeded()
    jobs:
      - deployment: DeployToDev
        environment: 'folab-dev'
        strategy:
          runOnce:
            deploy:
              steps:
                - download: current
                  artifact: synapse-deploy
                - script: echo "Deploying to Dev..."

  - stage: DeployTest
    dependsOn: DeployDev
    condition: succeeded()
    jobs:
      - deployment: DeployToTest
        environment: 'folab-test'
        strategy:
          runOnce:
            deploy:
              steps:
                - script: echo "Deploying to Test..."

  - stage: DeployProd
    dependsOn: DeployTest
    condition: succeeded()
    jobs:
      - deployment: DeployToProd
        environment: 'folab-prod'
        strategy:
          runOnce:
            deploy:
              steps:
                - script: echo "Deploying to Prod..."

Environments et Approbations

# Créer un environment via CLI (PowerShell)
az devops invoke --area distributedtask --resource environments --http-method POST --api-version 6.0 --in-file environment.json

# Configuration dans le portal:
# Pipelines > Environments > folab-prod
# + Approvals: jean.dupont@mycompany.com
# + Checks: Business hours only (9-18h)
# + Checks: Azure Policy compliance

# Créer un environment via CLI (Bash)
az devops invoke \
    --area distributedtask \
    --resource environments \
    --http-method POST \
    --api-version 6.0 \
    --in-file environment.json

Déploiement Synapse

# Déployer des artefacts Synapse (PowerShell)
- stage: DeploySynapse
  jobs:
    - deployment: DeploySynapseArtifacts
      environment: 'folab-dev'
      strategy:
        runOnce:
          deploy:
            steps:
              - task: AzureCLI@2
                inputs:
                  azureSubscription: 'DataLab-Dev'
                  scriptType: 'pscore'
                  scriptLocation: 'inlineScript'
                  inlineScript: |
                    # Deployer les pipelines Synapse
                    az synapse pipeline create --workspace-name syn-folab-dev --name "ESG-Bronze-Silver" --file @pipelines/esg-bronze-silver.json

                    # Deployer les notebooks
                    az synapse notebook import --workspace-name syn-folab-dev --name "transform-esg" --file @notebooks/transform_esg.ipynb --spark-pool-name sparkpool

# Déployer des artefacts Synapse (Bash)
- stage: DeploySynapse
  jobs:
    - deployment: DeploySynapseArtifacts
      environment: 'folab-dev'
      strategy:
        runOnce:
          deploy:
            steps:
              - task: AzureCLI@2
                inputs:
                  azureSubscription: 'DataLab-Dev'
                  scriptType: 'bash'
                  scriptLocation: 'inlineScript'
                  inlineScript: |
                    # Deployer les pipelines Synapse
                    az synapse pipeline create \
                      --workspace-name syn-folab-dev \
                      --name "ESG-Bronze-Silver" \
                      --file @pipelines/esg-bronze-silver.json

                    # Deployer les notebooks
                    az synapse notebook import \
                      --workspace-name syn-folab-dev \
                      --name "transform-esg" \
                      --file @notebooks/transform_esg.ipynb \
                      --spark-pool-name sparkpool

Déploiement Power BI

# Déployer un rapport Power BI
- stage: DeployPowerBI
  jobs:
    - deployment: DeployReport
      environment: 'powerbi-dev'
      strategy:
        runOnce:
          deploy:
            steps:
              - task: PowerShell@2
                inputs:
                  targetType: 'inline'
                  script: |
                    # Se connecter à Power BI
                    Connect-PowerBIServiceAccount -ServicePrincipal `
                      -TenantId $(tenantId) `
                      -ClientId $(clientId) `
                      -ClientSecret $(clientSecret)

                    # Publier le rapport
                    New-PowerBIReport `
                      -Path "reports/esg-dashboard.pbix" `
                      -WorkspaceId $(workspaceId) `
                      -ConflictAction CreateOrOverwrite

Rollback

# Stratégie de rollback

# Option 1: Redéployer la version précédente
- stage: Rollback
  condition: failed()
  jobs:
    - deployment: RollbackProd
      environment: 'folab-prod'
      strategy:
        runOnce:
          deploy:
            steps:
              - download: previous
                artifact: synapse-deploy
              - script: echo "Rolling back..."

# Option 2: Blue-Green deployment
# - Deployer sur slot "staging"
# - Tester
# - Swap staging <-> production
# - Si probleme, swap a nouveau

Variables par environnement

# Variables différentes par stage
stages:
  - stage: DeployDev
    variables:
      environment: 'dev'
      resourceGroup: 'rg-folab-dev'
      synapseWorkspace: 'syn-folab-dev'
    jobs:
      - deployment: Deploy
        ...

  - stage: DeployProd
    variables:
      environment: 'prod'
      resourceGroup: 'rg-folab-prod'
      synapseWorkspace: 'syn-folab-prod'
    jobs:
      - deployment: Deploy
        ...

Gates et Checks