kubizone

ZoneFile

A ZoneFile describes the mapping of a Zone and its Records into a ConfigMap containing the RFC1035 representation of that zone.

The latest version of the ZoneFile's Custom Resource Definition can be found here

What is a ZoneFile?

Within the Domain Name System a Zone file is a text file representation of a DNS zone.

Within the context of Kubizone, a ZoneFile resource describes a way for the Zonefile Operator to produce ConfigMaps containing the text representations of the Records and Zones defined within the cluster.

Examples

The following manifest instructs the Zonefile Operator to produce a ConfigMap describing the Zone named example-org, and by extension all Records and sub-zones associated with it.

apiVersion: kubi.zone/v1alpha1
kind: ZoneFile
metadata:
  name: example
spec:
  zoneRefs:
  - name: example-org

zoneRefs is a list of zones to include in the resulting ConfigMap.

Each zone gets its own file/entry in the ConfigMap. For example, the following ZoneFile definition:

apiVersion: kubi.zone/v1alpha1
kind: ZoneFile
metadata:
  name: example-zonefile
spec:
  zoneRefs:
  - name: example-org
  - name: dev-example-org
    namespace: dev

Would produce a configmap with the following structure:

apiVersion: v1
kind: ConfigMap
metadata:
  name: example-zonefile
data:
  example.org.: |-
    $ORIGIN example.org.

    (...)
  dev.example.org.: |-
    $ORIGIN dev.example.org.

    (...)

Assuming the example-org refers to a zone with the fully qualified domain name example.org., and dev-example-org likewise represents a Zone with an FQDN of dev.example.org.

Specification

.spec.zoneRefs

List of zoneRefs to include in the ConfigMap.

Each zoneRef must include the name parameter, and optionally a namespace parameter if the target Zone is in a separate namespace from this one.

.spec.configMapName string

Optionally override the name of the resulting ConfigMap. By default, the Zonefile Operator will produce configmaps with the same name as the ZoneFile resource itself.

Status

Reflects the last observed hashes and serials for each of its constituent zones, primarily for troubleshooting purposes.

.status.hash string

Map of FQDNs to latest observed hash for the zone.

.status.serial u32

Map of FQDNs to latest observed serial for the zone.

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