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This document explains how to setup an Azure pipeline with an agent to execute Liquibase Enterprise operations. An Azure DevOps agent can be shared among multiple projects, so one agent can serve several teams. This example uses a Linux server for the agent. You can learn more about Azure agents here: https://learn.microsoft.com/en-us/azure/devops/pipelines/agents/agents?view=azure-devops&tabs=browser.
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Prerequisites
Before following the steps in this document, setup your databases and create the Liquibase project.
Liquibase Enterprise requires two repositories which are referred to as Repos in Azure DevOps. Azure Pipelines can be built from code stored in Azure Repos, Bitbucket, GitHub, other and other Git and or Subversion sources. For this example we will be using Azure Repos.
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git init --initial-branch=main git remote add origin git@ssh.dev.azure.com:v3/asmith0101/Liquibase/ABC_DDB git push -u origin --all git add . git commit -m "Initial commit" git push -u origin main |
Step 1: Setup an Azure Agent Pool and Azure Agent
Instructions: https://learn.microsoft.com/en-us/azure/devops/pipelines/agents/agents?view=azure-devops
An Azure Agent Pool can be created under Project Settings. Agent pools are shared across an organization.
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After setting up an Agent Pool you can create a New agent. Instructions will be provided for the type of agent (Windows, macOS, or Linux) that you wish to use.
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Step 2: Setup an Azure Key Vault with the database credentials
Instructions: https://learn.microsoft.com/en-us/azure/devops/pipelines/release/key-vault-in-own-project?view=azure-devops&tabs=portal
The Azure Key Vault is a secure method for storing database credentials. It is recommended that you add Key Vault secrets for all databases in your pipeline including the DMC database.
In this example, Secrets added in the Key Vault will be referenced by the pipeline using Variable Groups.
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Step 3: Setup an Azure Library Variable Group
Instructions: https://learn.microsoft.com/en-us/azure/devops/pipelines/library/?view=azure-devops and https://learn.microsoft.com/en-us/azure/devops/pipelines/library/variable-groups?view=azure-devops&tabs=yaml
Use an Azure Library to group credentials from your Key Vault into a Variable Group. This grouping makes it easy to associate credentials to Azure Pipelines and Releases.
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Step 1: Install Liquibase Enterprise on an Agent
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