A Ruby DSL framework for specifying, documenting, and gradually automating operational procedures and runbooks.
Runbook is a Ruby framework that provides a DSL for creating executable runbooks—structured documents that define operational procedures. It solves the problem of manual, error-prone operations by allowing teams to codify processes, execute them interactively or automatically, and generate documentation from the same source. It acts as a bridge between fully manual steps and complete automation.
DevOps engineers, SREs, and operations teams who manage server infrastructure, deployments, and incident response and want to standardize and gradually automate repetitive operational tasks.
Developers choose Runbook for its unique focus on gradual automation, allowing manual steps and automated commands to coexist in the same runbook. Its interactive execution, resumability, and deep extensibility make it ideal for complex, multi-step operations where safety and control are paramount.
A framework for gradual system automation
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Runbook uniquely supports mixing manual prompts and automated commands in the same runbook, allowing teams to incrementally codify processes as evidenced by its 'noop' and 'auto' modes for safe transitions.
The framework saves state at each step, enabling runbooks to be resumed after failures, and offers paranoid mode for step-by-step confirmation, reducing human error in critical operations.
Runbook provides a fully extendable DSL with hooks, custom statements, and generators, allowing teams to tailor it to specific workflows, as detailed in the 'Extending Runbook' section.
It natively supports defining tmux pane layouts and sending commands to specific panes, which is ideal for real-time monitoring during multi-server operations, as shown in the layout examples.
Runbook is tightly coupled to Ruby, requiring Ruby knowledge for development and extension, which limits adoption in polyglot environments and adds dependency management overhead.
The README admits known issues with command quoting, where single quotes in remote commands must be manually escaped with '\'', increasing the risk of syntax errors in production.
Beyond basic DSL usage, mastering hooks, generators, and the compilation model requires significant investment, and the framework discourages deep nesting, limiting complex logic flows.
It relies heavily on SSHKit for remote execution and lacks native support for modern protocols like HTTP APIs or cloud SDKs, forcing custom extensions for broader automation.