Read this blog from Keith Mayer to follow a step-by-step approach getting started with Azure Automation. Furthermore, in the future they will publish information about using other products like Chef with Windows Azure.
Quote from Keith's blog:
Note: this week, we also announced support for Puppet and Chef for automated provisioning and configuration management of Microsoft Azure cloud resources. If you're currently using these tools as part of your DevOps strategy, be sure to look for upcoming articles that focus on these alternatives for cloud automation.Link to article: http://blogs.technet.com/b/keithmayer/archive/2014/04/04/step-by-step-getting-started-with-windows-azure-automation.aspx
More info on Microsoft Azure Automation: http://azure.microsoft.com/en-us/documentation/services/automation/
Have fun! I know I will...