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eedorenkodtzar
eedorenko
authored and
dtzar
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Canary deployment (#125)
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‎.pipelines/azdo-abtest-pipeline.yml

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pr: none
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trigger:
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branches:
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include:
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- master
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paths:
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exclude:
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- docs/
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- environment_setup/
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- ml_service/util/create_scoring_image.*
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- ml_service/util/smoke_test_scoring_service.py
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variables:
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- group: 'devopsforai-aml-vg'
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- name: 'helmVersion'
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value: 'v3.0.1'
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- name: 'helmDownloadURL'
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value: 'https://get.helm.sh/helm-$HELM_VERSION-linux-amd64.tar.gz'
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- name: 'blueReleaseName'
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value: 'model-blue'
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- name: 'greenReleaseName'
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value: 'model-green'
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- name: 'SCORE_SCRIPT'
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value: 'scoreA.py'
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stages:
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- stage: 'Building'
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jobs:
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- job: "Build_Scoring_image"
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timeoutInMinutes: 0
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pool:
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vmImage: 'ubuntu-latest'
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container: mcr.microsoft.com/mlops/python:latest
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steps:
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- task: AzureCLI@1
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inputs:
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azureSubscription: '$(WORKSPACE_SVC_CONNECTION)'
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scriptLocation: inlineScript
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inlineScript: |
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set -e
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export SUBSCRIPTION_ID=$(az account show --query id -o tsv)
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python ml_service/util/create_scoring_image.py --output_image_location_file image_location.txt
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displayName: 'Create Scoring Image'
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name: 'buildscoringimage'
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- publish: image_location.txt
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artifact: image_location
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- publish: $(System.DefaultWorkingDirectory)/charts
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artifact: allcharts
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- stage: 'Blue_Staging'
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jobs:
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- deployment: "Deploy_to_Staging"
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timeoutInMinutes: 0
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environment: abtestenv
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strategy:
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runOnce:
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deploy:
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steps:
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- script: |
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IMAGE_LOCATION="$(cat $(Pipeline.Workspace)/image_location/image_location.txt)"
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echo "##vso[task.setvariable variable=IMAGE_LOCATION]$IMAGE_LOCATION"
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displayName: 'Get Image Location'
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(Pipeline.Workspace)/allcharts/abtest-model'
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releaseName: $(blueReleaseName)
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overrideValues: 'deployment.name=$(blueReleaseName),deployment.bluegreen=blue,deployment.image.name=$(IMAGE_LOCATION)'
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- stage: 'Blue_50'
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jobs:
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- job: 'Blue_Rollout_50'
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displayName: 50 50 rollout to blue environment
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timeoutInMinutes: 0
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steps:
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(System.DefaultWorkingDirectory)/charts/abtest-istio'
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releaseName: 'abtest-istio'
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overrideValues: 'weight.blue=50,weight.green=50'
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- stage: 'Blue_100'
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jobs:
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- deployment: 'blue_Rollout_100'
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timeoutInMinutes: 0
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environment: abtestenv
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strategy:
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runOnce:
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deploy:
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steps:
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(Pipeline.Workspace)/allcharts/abtest-istio'
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releaseName: 'abtest-istio'
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overrideValues: 'weight.blue=100,weight.green=0'
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- stage: 'Rollback'
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dependsOn: 'Blue_100'
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condition: failed()
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jobs:
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- deployment: 'Roll_Back'
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displayName: 'Roll Back after failure'
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environment: abtestenv
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strategy:
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runOnce:
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deploy:
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steps:
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(Pipeline.Workspace)/allcharts/abtest-istio'
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releaseName: 'abtest-istio'
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overrideValues: 'weight.blue=0,weight.green=100'
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- stage: 'Set_Production_Tag'
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dependsOn: 'Blue_100'
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condition: succeeded()
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jobs:
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- deployment: 'green_blue_tagging'
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timeoutInMinutes: 0
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environment: abtestenv
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strategy:
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runOnce:
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deploy:
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steps:
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- script: |
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IMAGE_LOCATION="$(cat $(Pipeline.Workspace)/image_location/image_location.txt)"
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echo "##vso[task.setvariable variable=IMAGE_LOCATION]$IMAGE_LOCATION"
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displayName: 'Get Image Location'
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(Pipeline.Workspace)/allcharts/abtest-model'
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releaseName: $(greenReleaseName)
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overrideValues: 'deployment.name=$(greenReleaseName),deployment.bluegreen=green,deployment.image.name=$(IMAGE_LOCATION)'
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- stage: 'Green_100'
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jobs:
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- job: 'Prod_Rollout_100'
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timeoutInMinutes: 0
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steps:
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- template: azdo-helm-upgrade.yml
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parameters:
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chartPath: '$(System.DefaultWorkingDirectory)/charts/abtest-istio'
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releaseName: 'abtest-istio'
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overrideValues: 'weight.blue=0,weight.green=100'
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- stage: 'Disable_blue'
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condition: always()
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jobs:
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- job: 'blue_disable'
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timeoutInMinutes: 0
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steps:
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- template: azdo-helm-install.yml
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- task: HelmDeploy@0
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displayName: 'helm uninstall blue'
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inputs:
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connectionType: 'Kubernetes Service Connection'
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kubernetesServiceConnection: $(K8S_AB_SERVICE_CONNECTION)
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command: delete
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arguments: $(blueReleaseName) --namespace $(K8S_AB_NAMESPACE)

‎.pipelines/azdo-ci-image.yml

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pr: none
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trigger:
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branches:
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include:
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- master
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paths:
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include:
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- ml_service/util/create_scoring_image.py
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- ml_service/util/Dockerfile
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- code/scoring/
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exclude:
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- code/scoring/deployment_config_aci.yml
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- code/scoring/deployment_config_aks.yml
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pool:
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vmImage: 'ubuntu-latest'
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container: mcr.microsoft.com/mlops/python:latest
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variables:
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- group: devopsforai-aml-vg
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- name: 'SCORE_SCRIPT'
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value: 'scoreB.py'
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steps:
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- task: AzureCLI@1
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inputs:
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azureSubscription: '$(WORKSPACE_SVC_CONNECTION)'
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scriptLocation: inlineScript
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inlineScript: |
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set -e
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export SUBSCRIPTION_ID=$(az account show --query id -o tsv)
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python3 $(Build.SourcesDirectory)/ml_service/util/create_scoring_image.py
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displayName: 'Create Scoring Image'
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‎.pipelines/azdo-helm-install.yml

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steps:
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- task: Bash@3
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displayName: 'Install Helm $(helmVersion)'
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inputs:
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targetType: inline
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script: wget -q $(helmDownloadURL) -O /tmp/$FILENAME && tar -zxvf /tmp/$FILENAME -C /tmp && sudo mv /tmp/linux-amd64/helm /usr/local/bin/helm
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env:
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HELM_VERSION: $(helmVersion)
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FILENAME: helm-$(helmVersion)-linux-amd64.tar.gz

‎.pipelines/azdo-helm-upgrade.yml

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parameters:
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chartPath: ''
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releaseName: ''
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overrideValues: ''
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steps:
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- template: azdo-helm-install.yml
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- task: HelmDeploy@0
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displayName: 'helm upgrade'
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inputs:
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connectionType: 'Kubernetes Service Connection'
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kubernetesServiceConnection: $(K8S_AB_SERVICE_CONNECTION)
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command: upgrade
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chartType: FilePath
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chartPath: ${{ parameters.chartPath }}
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releaseName: ${{ parameters.releaseName }}
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overrideValues: ${{ parameters.overrideValues }}
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install: true
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arguments: --namespace $(K8S_AB_NAMESPACE)

‎.pipelines/azdo-variables.yml

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value: 'mltrained'
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# Optional. Used by a training pipeline with R on Databricks
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- name: DB_CLUSTER_ID
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value: ''
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value: ''
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- name: SCORE_SCRIPT
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value: score.py

‎charts/abtest-istio/Chart.yaml

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apiVersion: v1
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appVersion: "1.0"
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description: A Helm chart for Kubernetes
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name: abtest-istio
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version: 0.1.0

‎charts/abtest-istio/templates/istio-canary.yaml

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apiVersion: networking.istio.io/v1alpha3
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kind: Gateway
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metadata:
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name: mlmodel-gateway
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namespace: abtesting
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spec:
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selector:
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istio: ingressgateway
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servers:
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- port:
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number: {{ .Values.ingress.port }}
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name: http
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protocol: HTTP
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hosts:
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- "*"
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---
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apiVersion: networking.istio.io/v1alpha3
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kind: VirtualService
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metadata:
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name: mlmodel-virtualservice
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namespace: abtesting
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spec:
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gateways:
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- mlmodel-gateway
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hosts:
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- '*'
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http:
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- match:
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- uri:
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prefix: /score
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headers:
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x-api-version:
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exact: 'blue'
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route:
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- destination:
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host: {{ .Values.svc.name }}-blue.abtesting.svc.cluster.local
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port:
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number: {{ .Values.svc.port }}
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- match:
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- uri:
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prefix: /score
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headers:
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x-api-version:
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exact: 'green'
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route:
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- destination:
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host: {{ .Values.svc.name }}-green.abtesting.svc.cluster.local
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port:
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number: {{ .Values.svc.port }}
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- route:
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- destination:
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host: {{ .Values.svc.name }}-green.abtesting.svc.cluster.local
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port:
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number: {{ .Values.svc.port }}
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weight: {{ .Values.weight.green }}
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- destination:
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host: {{ .Values.svc.name }}-blue.abtesting.svc.cluster.local
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port:
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number: {{ .Values.svc.port }}
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weight: {{ .Values.weight.blue }}

‎charts/abtest-istio/values.yaml

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ingress:
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port: 80
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svc:
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port: 5001
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name: model-svc
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weight:
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green: 50
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blue: 50
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uri:
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prefix: /score
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‎charts/abtest-model/Chart.yaml

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apiVersion: v1
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appVersion: "1.0"
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description: A Helm chart for Kubernetes
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name: abtest-model
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version: 0.1.0

‎charts/abtest-model/templates/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ .Values.deployment.name }}
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namespace: {{ .Values.namespace }}
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labels:
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app: {{ .Values.appname }}
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model_version: {{ .Values.deployment.bluegreen }}
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: {{ .Values.appname }}
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model_version: {{ .Values.deployment.bluegreen }}
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template:
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metadata:
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labels:
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app: {{ .Values.appname }}
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model_version: {{ .Values.deployment.bluegreen }}
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spec:
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containers:
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- name: {{ .Values.deployment.container.name }}
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image: "{{ .Values.deployment.image.name }}"
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imagePullPolicy: Always
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ports:
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- name: http
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containerPort: 5001
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- name: probe
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containerPort: 8086
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imagePullSecrets:
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- name: aks-secret

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