An Ansible role to install Containerd from the Docker repository and configure it.

• Supported version of Ansible: 2.12 and highter.
• Supported platforms:
  • Debian
    • 10
    • 11
    • 12
  • RHEL
    • 7
    • 8
    • 9
  • Ubuntu
    • 18.04
    • 20.04
    • 22.04

• containerd_version The version of the Containerd package. By default, Containerd is installed with the latest available version.
• containerd_repository_mirror_url Docker repository mirror (default: https://download.docker.com/linux).
• containerd_repository_gpgkey_url URL to Docker repository GPG key file (see default values in vars/*.yml).
• containerd_repository_release_channel Docker repository release channel. Available values are: stable (default), test.
• containerd_root_path The root directory for containerd metadata (default: /var/lib/containerd).
• containerd_state_path The state directory for containerd (default: /run/containerd).
• containerd_config_path The config directory for containerd (default: /etc/containerd).
• containerd_oom_score The out of memory score applied to the containerd daemon process (default: 0).
• containerd_debug_level The debug log level. Supported levels are: trace, debug, info, warn, error, fatal, panic (default: info).
• containerd_grpc_max_recv_message_size and containerd_grpc_max_send_message_size Maximum gRPC receive and send message size in bytes (default: 16777216).
• containerd_metrics_address Metrics tcp address (default: '').
• containerd_metrics_grpc_histogram Turn on or off gRPC histogram metrics (default: false).
• containerd_max_concurrent_downloads Restricts the number of concurrent downloads for each image (default: 3).
• containerd_max_container_log_line_size The maximum log line size in bytes for a container (default: 16384).
• containerd_sandbox_image The image used by sandbox container (default: registry.k8s.io/pause:3.6).
• containerd_default_runtime_name The default runtime name to use (default: runc).
• containerd_snapshotter The default snapshotter used by containerd (default: overlayfs).
• containerd_runtimes A dictionary that contains runtimes configuration settings.
  • name The name of runtime (default: runc).
  • type The runtime type to use in containerd (default: io.containerd.runc.v2).
  • engine
  • root
  • options The options specific to the runtime.
• containerd_registries_mirrors A dictionary that contains registry hosts configuration. See official documentation (default: []).
  • namespace A registry host namespace.
  • server The default server for this registry host namespace (default: '').
  • mirrors This section defines the names of registries.
    • host The hostname of the registry. It must be a valid domain name or an IP address.
    • capabilities The setting that specifies what operations a host can perform (default: ["pull", "resolve"]).
    • skip_verify Boolean that defines if TLS verification should be skipped for the registry (default: false).
    • override_path is used to indicate the host's API root endpoint is defined in the URL path rather than by the API specification (default: false).
• containerd_registries_auth A dictionary that contains a credential for a specific registry. See official documetation (default: []).
  • registry The hostname of the registry. It must be a valid domain name or an IP address.
  • username Username of the private registry basic auth.
  • password User password of the private registry basic auth.
  • auth Authentication token of the private registry basic auth.

None.

Install Containerd:

---
- name: 'Install Containerd'
  hosts: all

  roles:
    - role: antmelekhin.containerd

MIT

Melekhin Anton.