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ado_pipelines_example

example pipelines for deploying dbt via Azure DevOps pipelines

Overview

Azure CLI task

Check out the .yml files in the build/ dir for our pipelines.

Once you have an ADO ARM Service Connection that has owner permission on the db, the work is done. With the AzureCLI task and the azureSubscription param, you never have to call az login, it will do that for you automatically.

To make the secret pipeline variables available to the task, you have to map them with the env dict shown below.

- task: AzureCLI@2
  displayName: 'dbt run'
  inputs:
    azureSubscription: ITSDETEAM
    ScriptType: bash
    scriptLocation: inlineScript
    inlineScript: |
      dbt run --profiles-dir $(location)
  env:
    HOST: $(host)
    DB: $(db)

profile tweaks

To avoid uploading a secure file containing our build/profiles.yml, we just added three environment variable references to the only target. This allows us to just set the server and db within the Azure Pipeline itself.

jaffle_shop:
  target: default
  outputs:
    default:
      type: sqlserver # or synapse or whatever you want
      driver: "ODBC Driver 17 for SQL Server"
      schema: "{{ env_var('SCHEMA') }}"
      host: "{{ env_var('HOST') }}"
      database: "{{ env_var('DB') }}"
      authentication: CLI
      port: 1433

Steps to Set Up

  1. Commit the build directory here to your dbt project repo.
  2. Create an Azure Active Directory App Registration (aka Service Principal aka AAD App)
  3. Set the Azure Active Directory Admin on the Azure SQL/Synapse db to be either you or a DL that contains you.
  4. Log into db with AAD admin creds and add the App Registration as an owner on your dev and prod db's 
    CREATE USER [my_service_connection] FROM EXTERNAL PROVIDER
exec sp_addrolemember 'db_owner', 'my_service_connection'
  5. Create an Azure Resource Manager Service Connection in Azure DevOps for the AAD App (Ours is called ITSDETEAM)
  6. Follow the normal workflow to create a new Azure pipeline based on an existing YAML file in the repo. For the following pipelines, you'll need to make add some secret pipeline variables :
    1. gatekeeper.yml (i.e. CI): $(DEV_SERVER) and $(DEV_DB)
    2. prod.yml (i.e. CD) $(PROD_SERVER) and $(PROD_DB)
  7. make a branch policy for your dev or UAT branch so that all PRs require that the gatekeeper passes
  8. change the trigger and schedules to fit your needs.