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OpenStack Ironic
What it is
OpenStack Ironic manages dedicated physical machines through discovery, cataloging, enrollment, provisioning, maintenance, and decommissioning. Its vendor-neutral REST API gives operators lifecycle control, while generic hardware support includes Redfish and IPMI alongside vendor-specific types. Before workloads are assigned, operators can inspect hardware and run extensible preparation actions. Ironic supports ownership and leasing across separate hardware pools, with optional OpenStack Networking integration for workload network isolation. The project describes a modular footprint for tens, hundreds, or thousands of machines. Bifrost, Metal3, and OpenStack Compute are listed as deployment options or related projects. Ironic is free, open source, and collaboratively developed under the Apache 2 license, with API, Linux, and self-hosted platforms. TLS can be configured for image downloads and Redfish connections. Bifrost setup requires a bare-metal network interface and hardware-controller credentials.
For and against
For
- REST API for vendor-neutral lifecycle management
- Supports Redfish, IPMI, and vendor hardware
- Leasing across separate hardware pools
- Handles deployments from tens to thousands
- Free Apache 2 open source
Against
- IPMI is discouraged when modern out-of-band management exists
- Bifrost requires controller credentials
- Bifrost requires bare-metal network interface knowledge
The verdict
Ironic provides a broad lifecycle layer for physical servers, with hardware protocols, leasing, preparation actions, and API access. Its deployment requirements and IPMI security caveat matter when planning operations.
Who it suits
Ironic suits operators managing dedicated hardware at different scales, especially teams needing API-driven provisioning and multi-tenant hardware pools. It is also relevant to OpenStack and related bare-metal deployment environments.
Plans and prices
Open source Ironic
No paid plans or usage limits stated on the official product page
Read 8 Oct 2026 · ironicbaremetal.org
On the record
- API
- Ironic provides RESTful APIs with a vendor-agnostic interface for managing machines through their lifecycle.ironicbaremetal.org · read 8 Oct 2026
- Deployment requirements
- Bifrost installation requires knowledge of the network interface for bare-metal communication and credentials for the hardware management controller.docs.openstack.org · read 8 Oct 2026
- Hardware protocols
- Generic hardware types include Redfish and IPMI, alongside vendor-specific types.docs.openstack.org · read 8 Oct 2026
- Integrations
- Ironic documentation identifies Bifrost, Metal3, and OpenStack Compute as deployment options or adjacent projects.docs.openstack.org · read 8 Oct 2026
- License
- Ironic is collaboratively developed under the Apache 2 license.ironicbaremetal.org · read 8 Oct 2026
- Lifecycle management
- Ironic provides operators a view of hardware and extensible preparation actions before workloads are assigned.ironicbaremetal.org · read 8 Oct 2026
- Multi-tenancy
- Ironic supports hardware ownership and leasing across non-overlapping hardware pools, and can optionally integrate with OpenStack Networking for workload network isolation.ironicbaremetal.org · read 8 Oct 2026
- Operating systems
- Bifrost lists CentOS Stream 10, Ubuntu 24.04, and Debian 12 and 13 as fully supported host operating systems.docs.openstack.org · read 8 Oct 2026
- Purpose
- Ironic manages bare-metal infrastructure across node discovery, cataloging, enrollment, provisioning, maintenance, and decommissioning.ironicbaremetal.org · read 8 Oct 2026
- Scale
- The product page describes a modular footprint for managing tens, hundreds, or thousands of physical machines.ironicbaremetal.org · read 8 Oct 2026
- Security
- The security guide recommends disabling IPMI when a modern out-of-band management technology is available because IPMI is not secure.docs.openstack.org · read 8 Oct 2026
- Support
- The project page says Ironic is supported by the OpenInfra Foundation and maintained collaboratively by vendors and contributors.ironicbaremetal.org · read 8 Oct 2026
- TLS
- Operators can configure TLS settings for outbound image downloads and Redfish BMC connections.docs.openstack.org · read 8 Oct 2026
