Add crun support (#6864)

Signed-off-by: Victor Morales <v.morales@samsung.com>
pull/6980/head
Victor Morales 2020-12-01 11:00:50 -08:00 committed by GitHub
parent da5077fa5f
commit 4f7a760a94
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9 changed files with 81 additions and 1 deletions

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@ -54,6 +54,13 @@ kata_runtimes:
type: oci
root: /run/kata-containers
# crun is a fast and low-memory footprint OCI Container Runtime fully written in C.
crun_runtime:
name: crun
path: /usr/bin/crun
type: oci
root: /run/crun
# When this is true, CRI-O package repositories are added. Set this to false when using an
# environment with preconfigured CRI-O package repositories.
crio_add_repos: true

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@ -45,12 +45,18 @@
- import_tasks: "crictl.yml"
- name: Build a list of crio runtimes
- name: Build a list of crio runtimes with Katacontainers runtimes
set_fact:
crio_runtimes: "{{ crio_runtimes + kata_runtimes }}"
when:
- kata_containers_enabled
- name: Build a list of crio runtimes with crun runtime
set_fact:
crio_runtimes: "{{ crio_runtimes + [crun_runtime] }}"
when:
- crun_enabled
- name: Make sure needed folders exist in the system
with_items:
- /etc/crio

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@ -0,0 +1,5 @@
---
crun_version: 0.15
crun_release_url: https://github.com/containers/crun/releases/download/{{ crun_version }}/crun-{{ crun_version }}-linux-{{ host_architecture }}
crun_bin_dir: /usr/bin/

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@ -0,0 +1,19 @@
---
- name: Create binary destination folder
file:
mode: '0755'
state: directory
path: "{{ crun_bin_dir }}"
- name: Check if binary exists
stat:
path: "{{ crun_bin_dir }}/crun"
register: crun_stat
- name: Download binary
get_url:
url: "{{ crun_release_url }}"
dest: "{{ crun_bin_dir }}/crun"
mode: '0755'
when: not crun_stat.stat.exists

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@ -7,6 +7,13 @@ dependencies:
- container-engine
- kata-containers
- role: container-engine/crun
when:
- crun_enabled
tags:
- container-engine
- crun
- role: container-engine/cri-o
when:
- container_manager == 'crio'

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@ -0,0 +1,6 @@
---
kind: RuntimeClass
apiVersion: node.k8s.io/v1beta1
metadata:
name: crun
handler: crun

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@ -0,0 +1,19 @@
---
- name: crun | Copy runtime class manifest
copy:
src: runtimeclass-crun.yml
dest: "{{ kube_config_dir }}/runtimeclass-crun.yml"
mode: preserve
when:
- inventory_hostname == groups['kube-master'][0]
- name: crun | Apply manifests
kube:
name: "runtimeclass-crun"
kubectl: "{{ bin_dir }}/kubectl"
resource: "runtimeclass"
filename: "{{ kube_config_dir }}/runtimeclass-crun.yml"
state: "latest"
when:
- inventory_hostname == groups['kube-master'][0]

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@ -6,3 +6,10 @@ dependencies:
- apps
- kata-containers
- container-runtimes
- role: kubernetes-apps/container_runtimes/crun
when: crun_enabled
tags:
- apps
- crun
- container-runtimes

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@ -224,6 +224,10 @@ container_manager: docker
# When enabled, it requires `container_manager` different than Docker
kata_containers_enabled: false
# Enable crun as additional container runtime
# When enabled, it requires container_manager=crio
crun_enabled: false
# Container on localhost (download images when download_localhost is true)
container_manager_on_localhost: "{{ container_manager }}"