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* By default, templates for Ignition are rendered and parsed as github.com/coreos/fuze YAML configs, which formalize the transform from YAML to Ignition JSON * Ignition files (.ign/.ignition) should be validated and served directly, without template rendering * Remove support for Ignition v1 * This change is breaking! Users need to tweak any YAML Ignition templates to the very similar Fuze YAML format
CoreOS on Baremetal
CoreOS on Baremetal provides guides and a service for network booting and provisioning CoreOS clusters on virtual or physical hardware.
Guides
bootcfg
bootcfg is an HTTP and gRPC service that renders signed Ignition configs, cloud-configs, network boot configs, and metadata to machines to create CoreOS clusters. Groups match machines based on labels (e.g. MAC, UUID, stage, region) and use named Profiles for provisioning. Network boot endpoints provide PXE, iPXE, GRUB, and Pixiecore support. bootcfg can be deployed as a binary, as an appc container with rkt, or as a Docker container.
- bootcfg Service
- Tutorials (libvirt)
- Flags
- HTTP API
- gRPC API
- Backends
- Deployment via
- Troubleshooting
- Going Further
Examples
The examples show how to network boot and provision higher-order CoreOS clusters. Network boot libvirt VMs to try the examples on your Linux laptop.
- Multi-node Kubernetes cluster with TLS
- Multi-node self-hosted Kubernetes cluster
- Multi-node etcd cluster
- Multi-node Torus distributed storage cluster
- Network boot or Install to Disk
- Multi-stage CoreOS installs
- GRUB Netboot CoreOS
- iPXE Boot CoreOS with a root fs
- iPXE Boot CoreOS