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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

download_container: false
skip_downloads: false
etcd_kubeadm_enabled: true

k8s-cluster/k8s-cluster.yml

container_manager: crio

etcd.yml

etcd_deployment_type: host # optionally and mutually exclusive with etcd_kubeadm_enabled

all/crio.yml

Enable docker hub registry mirrors

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