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Erik Parmann
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Create webapp from arm template automatically
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‎.pipelines/diabetes_regression-ci.yml

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@@ -186,7 +186,35 @@ stages:
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python -m ml_service.util.create_scoring_image --output_image_location_file image_location.txt
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# Output image location to Azure DevOps job
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IMAGE_LOCATION="$(cat image_location.txt)"
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export IMAGE_TAGGED="$(sed 's/@sha256.*/:latest/g' image_location.txt)"
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echo "##vso[task.setvariable variable=IMAGE_LOCATION]$IMAGE_LOCATION"
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echo "##vso[task.setvariable variable=IMAGE_TAGGED]$IMAGE_TAGGED"
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- task: AzureResourceGroupDeployment@2
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inputs:
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azureSubscription: '$(AZURE_RM_SVC_CONNECTION)'
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action: 'Create Or Update Resource Group'
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resourceGroupName: '$(RESOURCE_GROUP)'
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location: $(LOCATION)
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templateLocation: 'Linked artifact'
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csmFile: '$(Build.SourcesDirectory)/environment_setup/arm-templates/aci-password.json'
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overrideParameters: '-baseName $(BASE_NAME)'
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deploymentMode: 'Incremental'
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deploymentOutputs: 'ACRCREDENTIALS'
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displayName: 'Get ACR username and password'
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- task: AzureResourceGroupDeployment@2
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inputs:
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azureSubscription: '$(AZURE_RM_SVC_CONNECTION)'
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action: 'Create Or Update Resource Group'
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resourceGroupName: '$(RESOURCE_GROUP)'
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location: $(LOCATION)
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templateLocation: 'Linked artifact'
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csmFile: '$(Build.SourcesDirectory)/environment_setup/arm-templates/webapp-env.json'
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overrideParameters: '-baseName $(BASE_NAME) -location $(LOCATION) -imagelocation $(IMAGE_TAGGED) -acrcredentials $(ACRCREDENTIALS)'
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deploymentMode: 'Incremental'
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displayName: 'Create webapp'
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- task: AzureWebAppContainer@1
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name: WebAppDeploy
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displayName: 'Azure Web App on Container Deploy'

‎docs/getting_started.md

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@@ -236,9 +236,7 @@ Delete the **ACI_DEPLOYMENT_NAME** variable.
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The pipeline uses the [Create Image Script](../ml_service/util/create_scoring_image.py) to create a scoring image. The image will be registered under an Azure Container Registry instance that belongs to the Azure Machine Learning Service. Any dependencies that the scoring file depends on can also be packaged with the container with an image config. Learn more about how to create a container using the Azure ML SDK with the [Image class](https://docs.microsoft.com/en-us/python/api/azureml-core/azureml.core.image.image.image?view=azure-ml-py#create-workspace--name--models--image-config-) API documentation.
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Make sure your webapp has the credentials to pull the image from the Azure Container Registry created by the Infrastructure as Code pipeline. Instructions can be found on the [Configure registry credentials in web app](https://docs.microsoft.com/en-us/azure/devops/pipelines/targets/webapp-on-container-linux?view=azure-devops&tabs=dotnet-core%2Cyaml#configure-registry-credentials-in-web-app) page. You'll need to run the pipeline once (including the Deploy to Webapp stage up to the `Create scoring image` step) so an image is present in the registry. After that, you can connect the Webapp to the Azure Container Registry in the Azure Portal.
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![build](./images/multi-stage-webapp.png)
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The pipeline should create the webapp automatically the first time it is run with **WEBAPP_DEPLOYMENT_NAME** set.
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### Example pipelines using R
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‎environment_setup/arm-templates/aci-password.json

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{
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"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
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"contentVersion": "1.0.0.0",
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"parameters": {
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"baseName": {
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"type": "string",
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"maxLength": 10,
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"minLength": 3,
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"metadata": {
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"description": "The base name to use as prefix to create all the resources."
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}
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},
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"acr": {
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"type": "string",
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"defaultValue": "[concat(toLower(parameters('baseName')),'amlcr')]"
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}
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},
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"resources": []
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, "outputs": {
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"password": {
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"type": "string",
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"value": "[listCredentials(resourceId('myResourceGroup','Microsoft.ContainerRegistry/registries',parameters('acr')),'2019-05-01').passwords[1].value]"
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},
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"username": {
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"type": "string",
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"value": "[listCredentials(resourceId('Microsoft.ContainerRegistry/registries',parameters('acr')),'2019-05-01').username]"
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}
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}
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}

‎environment_setup/arm-templates/webapp-env.json

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{
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"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
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"contentVersion": "1.0.0.0",
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"parameters": {
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"imagelocation":{
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"type": "string"
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},
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"acrcredentials": {
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"type": "secureObject"
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},
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"baseName": {
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"type": "string",
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"maxLength": 10,
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"minLength": 3,
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"metadata": {
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"description": "The base name to use as prefix to create all the resources."
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}
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},
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"location": {
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"type": "string",
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"defaultValue": "eastus",
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"allowedValues": [
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"eastus",
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"eastus2",
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"southcentralus",
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"southeastasia",
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"westcentralus",
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"westeurope",
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"westus2",
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"centralus"
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],
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"metadata": {
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"description": "Specifies the location for all resources."
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}
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},
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"acr": {
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"type": "string",
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"defaultValue": "[concat(toLower(parameters('baseName')),'amlcr')]"
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},
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"webAppName": {
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"type": "string",
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"defaultValue" : "[concat(toLower(parameters('baseName')),'webapp')]",
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"metadata": {
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"description": "Base name of the resource such as web app name and app service plan "
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},
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"minLength": 2
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}
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},
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"variables": {
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"containerRegistryName": "[parameters('acr')]",
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"webAppPortalName": "[concat(parameters('webAppName'), '-webapp')]",
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"appServicePlanName": "[concat('AppServicePlan-', parameters('webAppName'))]"
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},
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"resources": [
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{
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"type": "Microsoft.Web/serverfarms",
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"apiVersion": "2018-02-01",
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"name": "[variables('appServicePlanName')]",
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"location": "[parameters('location')]",
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"sku": {
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"name": "S1"
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},
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"kind": "linux",
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"properties":{
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"reserved":true,
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"maximumElasticWorkerCount": 5
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}
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},
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{
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"type": "Microsoft.Web/sites",
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"apiVersion": "2018-11-01",
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"name": "[variables('webAppPortalName')]",
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"location": "[parameters('location')]",
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"kind": "app,linux,container",
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"dependsOn": [
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"[resourceId('Microsoft.Web/serverfarms', variables('appServicePlanName'))]"
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],
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"properties": {
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"serverFarmId": "[resourceId('Microsoft.Web/serverfarms', variables('appServicePlanName'))]",
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"httpsOnly": true,
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"siteConfig": {
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"linuxFxVersion": "[concat('DOCKER|', parameters('imagelocation'))]",
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"appSettings": [
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{
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"name": "WEBSITES_ENABLE_APP_SERVICE_STORAGE",
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"value": "false"
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},
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{
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"name": "DOCKER_REGISTRY_SERVER_URL",
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"value": "[concat('https://', variables('containerRegistryName'), '.azurecr.io')]"
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},
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{
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"name": "DOCKER_REGISTRY_SERVER_USERNAME",
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"value": "[parameters('acrcredentials').username.value]"
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},
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{
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"name": "DOCKER_REGISTRY_SERVER_PASSWORD",
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"value": "[parameters('acrcredentials').password.value]"
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}
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]
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}
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}
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}
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]
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}

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