The module is enabled by default in the Default bundle. The module is disabled by default in the following bundles: Managed, Minimal.

How to explicitly enable the module…

Set the spec.enabled module parameter to true or false in the ModuleConfig/chrony resource (create it, if necessary) to explicitly enable or disable the module, or use the deckhouse-controller module command in the d8-system/deckhouse pod.

Example of enabling the module:

  • by using the ModuleConfig resource:

    apiVersion: deckhouse.io/v1alpha1
kind: ModuleConfig
metadata:
  name: chrony
spec:
  enabled: true

  • by using the deckhouse-controller command (you need a kubectl, configured to work with the cluster):

    kubectl -ti -n d8-system exec deploy/deckhouse -c deckhouse -- deckhouse-controller module enable chrony

Example of disabling the module:

  • by using the ModuleConfig resource:

    apiVersion: deckhouse.io/v1alpha1
kind: ModuleConfig
metadata:
  name: chrony
spec:
  enabled: false

  • by using the deckhouse-controller command (you need a kubectl, configured to work with the cluster):

    kubectl -ti -n d8-system exec deploy/deckhouse -c deckhouse -- deckhouse-controller module disable chrony

The module is configured using the ModuleConfig custom resource named chrony (learn more about setting up Deckhouse…).

Example of the ModuleConfig/chrony resource for configuring the module:

apiVersion: deckhouse.io/v1alpha1
kind: ModuleConfig
metadata:
  name: chrony
spec:
  version: 1
  enabled: true
  settings: # <-- Module parameters from the "Parameters" section below.

Parameters

Schema version: 1

  • ntpServers
    array of strings

    NTP servers to sync.

    Default: ["pool.ntp.org"]

    Examples:

    ntpServers:
- pool.ntp.org

    ntpServers:
- pool.ntp.org
- ntp.ubuntu.com

An example of the configuration

apiVersion: deckhouse.io/v1alpha1
kind: ModuleConfig
metadata:
  name: chrony
spec:
  settings:
    ntpServers:
      - pool.ntp.org
      - ntp.ubuntu.com
  version: 1