Show notes
Today we are talking about Better traceability, better debugging, and Rosetta with guest Jürgen Haas. We'll also cover Maestro as our module of the week.
For show notes visit:
https://www.talkingDrupal.com/578
Topics
• What Is Rosetta
• Rosetta Building Blocks
• Standards and Where to Join
• Rosetta End Goal Question
• Unifying Workflow APIs
• Fail Gracefully and Version
• Scaling Module Integrations
• AI Agents as Another UI
• Tools Discovery Explained
• Dependencies and Determinism
• Hooks Glue Code Reality
• Tracing with OpenTelemetry
• Sensitive Data Guardrails
• Big Challenges and Help
• Tool API Adoption Status
• Defining Rosetta Success
Resources
• One trace, inside and outside Drupal: a proposal for Rosetta
• Write a setting's rules once, in config schema, and use them for validation, forms and the published JSON SchemaMaestro
• Orchestration
• Dries blog post
• W3C open telemetry
• Drupal open telemetry
Guests
Jürgen Haas - lakedrops.com jurgenhaas
Hosts
Nic Laflin - nLighteneddevelopment.com nicxvan
John Picozzi - epam.com johnpicozzi
Emma Horrell - emma-horrell
MOTW
Correspondent
Martin Anderson-Clutz - mandclu.com mandclu
• Brief description:
• Have you ever wanted to model a multi-step business process on your Drupal site, like a review and approval flow that routes tasks to different people, branches on their decisions, and can even hand steps off to AI? There's a module for that.
• Module name/project name:
• Maestro
• Brief history
• How old: created in Jun 2010 by Blaine Lang (blainelang) of Nextide, and is now co-maintained with Randy Kolenko (_randy)
• Versions available: 4.6.0, which works with Drupal 10.3 and 11, and 3.1.4, which also supports Drupal 9.4 through 11
• Maintainership
• Actively maintained, 4.6.0 came out last week
• Security coverage
• Test coverage
• Documentation: a handbook on drupal.org, plus a series of videos, including AI and agentic examples
• Number of open issues: 189 open issues, 55 of which are bugs, but many date back to the Drupal 7 and 8 branches, and half a dozen issues were closed just last week
• Usage stats:
• 785 sites
• Module features and usage
• Maestro's tagline sums it up: if it can be flow-charted, it can be automated with Maestro
• You build a workflow template in a visual drag-and-drop editor, and 4.6 adds a new ReactFlow-based editor as an alternative to the older diagram-js one
• Templates are made of tasks: interactive ones assigned to a user or role, plus non-interactive ones like If, And, Or, can set a process variable, batch functions, and spawn a sub-flow
• That gives you parallel approvals, serial steps, and dynamic routing, for example taking a different path depending on whether someone clicked Accept or Reject
• Each user gets a Task Console listing what's assigned to them, and tasks can be reassigned or delegated
• Under the hood, a background engine Maestro calls the orchestrator and does the work of advancing each process. You run it via a tokenized URL, cron…
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