Workflow Service Overview

The Workflow service consists of the following components:

Mistral API service

Provides a REST API for operating and monitoring workflow executions.

mistral-dashboard service

Mistral Dashboard is a Horizon plugin.

Mistral Engine service

Controls workflow executions and handles their data flow, places finished tasks in a queue, transfers data from task to task, and deals with condition transitions, and so on.

Mistral Executor service

Executes task actions, picks up the tasks from the queue, runs actions, and sends results back to the engine.

Mistral Notifier service


Python client API and Command Line Interface.

mistral-lib A library to support writing custom Mistral actions.