c12s-kubespray/docs/cri-o.md
Sergey ed6cef85d8
add crio registry mirror support (#6977)
* add crio registry mirror support

* mdlint fix
2020-12-03 13:57:25 -08:00

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Markdown

# CRI-O
[CRI-O] is a lightweight container runtime for Kubernetes.
Kubespray supports basic functionality for using CRI-O as the default container runtime in a cluster.
* Kubernetes supports CRI-O on v1.11.1 or later.
* etcd: configure either kubeadm managed etcd or host deployment
_To use the CRI-O container runtime set the following variables:_
## all/all.yml
```yaml
download_container: false
skip_downloads: false
etcd_kubeadm_enabled: true
```
## k8s-cluster/k8s-cluster.yml
```yaml
container_manager: crio
```
## etcd.yml
```yaml
etcd_deployment_type: host # optionally and mutually exclusive with etcd_kubeadm_enabled
```
## all/crio.yml
Enable docker hub registry mirrors
```yaml
crio_registries_mirrors:
- prefix: docker.io
insecure: false
blocked: false
location: registry-1.docker.io
mirrors:
- location: 192.168.100.100:5000
insecure: true
- location: mirror.gcr.io
insecure: false
```
[CRI-O]: https://cri-o.io/