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cri-o: Update deployment documentation

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CRI-O deployment documentation was quite outdated, giving info from the
`1.x` era.  Let's update this to reflect what we currently have.

Fixes: #2498

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2021-11-15 11:24:02 +01:00
parent 92e3a14023
commit eb11d053d5
1 changed files with 9 additions and 16 deletions
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25
docs/how-to/run-kata-with-k8s.md
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@ -22,7 +22,7 @@ An equivalent shim implementation for CRI-O is planned.
### CRI-O ### CRI-O
For CRI-O installation instructions, refer to the [CRI-O Tutorial](https://github.com/cri-o/cri-o/blob/main/tutorial.md) page. For CRI-O installation instructions, refer to the [CRI-O Tutorial](https://github.com/cri-o/cri-o/blob/main/tutorial.md) page.
The following sections show how to set up the CRI-O configuration file (default path: `/etc/crio/crio.conf`) for Kata. The following sections show how to set up the CRI-O snippet configuration file (default path: `/etc/crio/crio.conf`) for Kata.
Unless otherwise stated, all the following settings are specific to the `crio.runtime` table: Unless otherwise stated, all the following settings are specific to the `crio.runtime` table:
```toml ```toml
@ -40,23 +40,16 @@ A comprehensive documentation of the configuration file can be found [here](http
#### Kubernetes Runtime Class (CRI-O v1.12+) #### Kubernetes Runtime Class (CRI-O v1.12+)
The [Kubernetes Runtime Class](https://kubernetes.io/docs/concepts/containers/runtime-class/) The [Kubernetes Runtime Class](https://kubernetes.io/docs/concepts/containers/runtime-class/)
is the preferred way of specifying the container runtime configuration to run a Pod's containers. is the preferred way of specifying the container runtime configuration to run a Pod's containers.
To use this feature, Kata must added as a runtime handler with: To use this feature, Kata must added as a runtime handler. This can be done by
dropping a `50-kata` snippet file into `/etc/crio/crio.conf.d`, with the
content shown below:
```toml ```toml
[crio.runtime.runtimes.kata-runtime] [crio.runtime.runtimes.kata]
runtime_path = "/usr/bin/kata-runtime" runtime_path = "/usr/bin/containerd-shim-kata-v2"
runtime_type = "oci" runtime_type = "vm"
``` runtime_root = "/run/vc"
privileged_without_host_devices = true
You can also add multiple entries to specify alternatives hypervisors, e.g.:
```toml
[crio.runtime.runtimes.kata-qemu]
runtime_path = "/usr/bin/kata-runtime"
runtime_type = "oci"
[crio.runtime.runtimes.kata-fc]
runtime_path = "/usr/bin/kata-runtime"
runtime_type = "oci"
``` ```