rhino

Workflows as code. A mini Airflow in Go.

active · Go, YAML · github.com/y0anfa/rhino

Rhino is a mini Airflow written in Go. A workflow is a YAML file: a trigger, a list of tasks, and the order to run them in.

It is the idea behind Build the small tool applied to automation. The engine is small enough to read, for jobs that don't need a full platform.

• Triggers on a cron schedule or a webhook.
• Runs tasks concurrently, in the order you set, with timeouts and retries.
• Ships providers for shell, http, file, slack, discord, email, workflow and approval.
• Records every run and task execution, readable from a CLI, a TUI or a web dashboard.
• Validates every workflow before anything runs: unique task names, complete ordering, sane timeouts.

A minimal workflow:

name: my-workflow
trigger:
  name: cron-trigger
  type: cron
  schedule: "0 */6 * * *"
tasks:
  - name: task1
    provider: shell
    params:
      command: echo
      args: ["hello"]
order:
  - [task1]

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