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Chapter 1. Scheduling fernet key rotation

For security purposes, the fernet keys in your Red Hat OpenStack Services on OpenShift (RHOSO) environment are automatically rotated. To meet the unique security requirements of your environment, you can modify the frequency with which fernet key rotations occur as well as the number of old decryption keys kept after each rotation.

1.1. Updating fernet key rotation frequency
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As of Red Hat OpenStack Services on OpenShift (RHOSO), you can update the frequency with which the Identity service (keystone) rotates its fernet keys.

Procedure

  1. Edit the OpenStackControlPlane custom resource (CR) for editing: 

    $ oc edit openstackcontrolplane openstack-control-plane

  2. Under the properties field under the Identity service (keystone) configuration, add the following: 

      fernetMaxActiveKeys:
    default: <active_keys>
    description: FernetMaxActiveKeys - Maximum number of fernet token keys after rotation
    type: int
  fernetRotationDays:
    default: <days>

    where:

    <active_keys>
    Specifies the number of keys to keep active. The default is 5.
    <days>
    Specifies the frequency with which to rotate your fernet keys.
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