2019-12-04 15:22:57 +00:00
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# CRI-O
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2018-07-30 15:47:13 +00:00
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2018-12-26 06:55:17 +00:00
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[CRI-O] is a lightweight container runtime for Kubernetes.
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Kubespray supports basic functionality for using CRI-O as the default container runtime in a cluster.
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2018-07-30 15:47:13 +00:00
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2018-12-26 06:55:17 +00:00
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* Kubernetes supports CRI-O on v1.11.1 or later.
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* Helm and other tools may not function as normal due to dependency on Docker.
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* `scale.yml` and `upgrade-cluster.yml` are not supported on clusters using CRI-O.
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2018-07-30 15:47:13 +00:00
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2018-12-26 06:55:17 +00:00
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_To use CRI-O instead of Docker, set the following variables:_
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2018-07-30 15:47:13 +00:00
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2019-12-04 15:22:57 +00:00
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## all.yml
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2018-07-30 15:47:13 +00:00
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2018-12-26 06:55:17 +00:00
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```yaml
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2018-07-30 15:47:13 +00:00
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download_container: false
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skip_downloads: false
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```
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2019-12-04 15:22:57 +00:00
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## k8s-cluster.yml
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2018-07-30 15:47:13 +00:00
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2018-12-26 06:55:17 +00:00
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```yaml
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2018-07-30 15:47:13 +00:00
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kubelet_deployment_type: host
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2018-08-28 06:23:38 +00:00
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container_manager: crio
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2018-07-30 15:47:13 +00:00
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```
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2018-12-26 06:55:17 +00:00
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2020-02-07 10:17:43 +00:00
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## etcd.yml
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```yaml
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etcd_deployment_type: host
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```
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2018-12-26 06:55:17 +00:00
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[CRI-O]: https://cri-o.io/
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