Tutorials

Contents:

• Creating a new repository for actor development
  • A screen cast of the steps above
• Creating your first actor
  • Getting started
    • Creating a tag
      • Screencast
    • Creating a topic
      • Screencast
    • Creating a model
      • Screencast
    • Creating an actor
      • Screencast
• Using messaging to send data between actors
  • Creating the ResolvedHostname model
  • Creating a message consuming actor
  • Storing messages in the repository data for reuse
  • Testing the new actor
    • Screencast
• Asking user questions
  • Creating the dialog
  • Using the dialog and the answers
  • Explaining the dialogs processing mechanism during the upgrade
• Linking repositories
  • A screen cast of the steps above
• Working with workflows
  • Creating a workflow
  • Defining workflow phases
  • Testing the workflow execution
  • Adding an actor to a workflow
• Workflow APIs
  • Using Workflow APIs
  • General workings of the Workflow API feature
  • Defining Workflow APIs
    • Working with messages
    • Tests
    • Dependencies
  • API definition best practises
    • Be always explicit about what messages the API consumes or produces
    • Keep API interfaces small and on the same topic
    • Use lazy evaluation and caching for messages consumed to improve efficiency
    • Write tests that verify API contract compliance
• Writing tests for actors
  • Getting started with writing tests
    • Naming conventions
    • Writing tests that execute the whole actor - component tests
      • Fixtures
      • Testing actors that modify the OS
    • Testing private actor library - unit tests
    • Using repository resources during test runtime
    • Actors’s test dependencies
  • Running the tests
    • Preparing the environment
    • Actor’s tests
    • Shared libraries’ tests
• Debugging actors
  • Snactor
  • PyCharm / rpdb
• How to deprecate entities in leapp?
  • Examples of a model deprecation
  • Example of a model replacement
  • Example of a derived model deprecation
  • Additional various outputs of snactor and leapp
    • snactor warning message example
    • leapp report example entries
  • Additional simple usage examples of @deprecated
    • Functions
    • Models
    • Classes