Ironic
Ironic is an open source bare metal provisioning service (infrastructure automation) that provisions and manages physical machines through standard hardware management interfaces and network boot technologies.
- Bare metal provisioning and lifecycle management for physical servers (infrastructure automation).
- Out-of-band power control and hardware management via industry management interfaces (hardware management).
- Network-based deployment using technologies such as PXE and related boot mechanisms (network boot / Operating System (OS) deployment).
- Integration with OpenStack and other infrastructure platforms for tenant-facing bare metal as a service (cloud infrastructure).
- Plugin-based drivers for diverse hardware, management controllers, and deployment workflows (extensibility framework).
More About Ironic
Ironic is an Open Infrastructure Foundation project that provides an API-driven bare metal provisioning service (infrastructure automation) for discovering, configuring, and operating physical servers. It targets environments that need direct access to hardware rather than virtualized resources, such as High performance computing (HPC), telco, network appliances, and specialized workloads that require deterministic performance.
At its core, Ironic exposes a Representational State Transfer (REST) Application Programming Interface (API) (infrastructure control plane) that allows operators and higher-level platforms to register physical nodes, manage their power state, configure boot parameters, and deploy operating systems. It uses standard Out-of-Band Management (OOB) protocols and controller interfaces such as IPMI and Redfish (hardware management) to communicate with baseboard management controllers (BMCs) for actions including power on/off, reboot, and boot device selection.
Ironic relies on network boot technologies such as PXE (Preboot eXecution Environment) and related mechanisms (network boot) to deliver images to bare metal systems. Through integration with image services and configuration tooling (OS deployment), it can provision operating systems and firmware-level configurations onto hardware at scale. The service supports different deployment interfaces so operators can align Ironic with their image pipelines, configuration management tools, and security policies.
The project uses a driver and plugin framework (extensibility) to support a broad range of hardware types, Redundant Array of Independent Disks (RAID) controllers, network fabrics, and storage configurations. Hardware vendors and operators can implement drivers that Marketing Automation Platform (MAP) Ironic’s generic provisioning workflow to device-specific capabilities while exposing a consistent API to upper layers. This approach lets data centers use mixed hardware fleets while maintaining a uniform provisioning and lifecycle management process.
Ironic is a core component in bare metal as a service deployments (cloud infrastructure) and is widely used underneath OpenStack clouds through the Bare Metal service. In such architectures, tenants can request bare metal instances through a cloud API, while Ironic handles discovery, cleaning, imaging, and handoff of the machine. Ironic can also be consumed directly by data center automation systems and cluster managers to build Kubernetes clusters, storage clusters, or custom control planes on physical servers.
For enterprise and institutional environments, Ironic provides a programmable abstraction over heterogeneous server hardware fleets (data center automation). It reduces manual provisioning work, standardizes processes for secure wiping and reusing machines, and enables controlled lifecycle operations across staging, production, and decommissioning. Within a technical taxonomy, Ironic fits into bare metal provisioning, infrastructure orchestration, and hardware management categories, operating as an API-based control plane that bridges hardware management controllers, network boot services, and higher-level cloud or cluster platforms.