kubespray/roles/container-engine/containerd/templates/config.toml.j2

version = 2
root = "{{ containerd_storage_dir }}"
state = "{{ containerd_state_dir }}"
oom_score = {{ containerd_oom_score }}

[grpc]
  max_recv_message_size = {{ containerd_grpc_max_recv_message_size | default(16777216) }}
  max_send_message_size = {{ containerd_grpc_max_send_message_size | default(16777216) }}

[debug]
  level = "{{ containerd_debug_level | default('info') }}"

[metrics]
  address = "{{ containerd_metrics_address | default('') }}"
  grpc_histogram = {{ containerd_metrics_grpc_histogram | default(false) | lower }}

[plugins]
  [plugins."io.containerd.grpc.v1.cri"]
    sandbox_image = "{{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}"
    max_container_log_line_size = {{ containerd_max_container_log_line_size }}
    [plugins."io.containerd.grpc.v1.cri".containerd]
      default_runtime_name = "{{ containerd_default_runtime | default('runc') }}"
      snapshotter = "{{ containerd_snapshotter | default('overlayfs') }}"
      [plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
{% for runtime in containerd_runtimes %}
        [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.{{ runtime.name }}]
          runtime_type = "{{ runtime.type }}"
          runtime_engine = "{{ runtime.engine }}"
          runtime_root = "{{ runtime.root }}"
          [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.{{ runtime.name }}.options]
{% for key, value in runtime.options.items() %}
            {{ key }} = {{ value }}
{% endfor %}
{% endfor %}
{% if kata_containers_enabled %}
        [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.kata-qemu]
          runtime_type = "io.containerd.kata-qemu.v2"
{% endif %}
{% if gvisor_enabled %}
        [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runsc]
          runtime_type = "io.containerd.runsc.v1"
{% endif %}
    [plugins."io.containerd.grpc.v1.cri".registry]
      [plugins."io.containerd.grpc.v1.cri".registry.mirrors]
{% for registry, addr in containerd_registries.items() %}
        [plugins."io.containerd.grpc.v1.cri".registry.mirrors."{{ registry }}"]
          endpoint = ["{{ ([ addr ] | flatten ) | join('","') }}"]
{% endfor %}

{% if containerd_extra_args is defined %}
{{ containerd_extra_args }}
{% endif %}