The module is enabled by default in the Default
bundle.
The module is disabled by default in the following bundles: Managed
, Minimal
.
The module is configured using the ModuleConfig custom resource named kube-dns
(learn more about setting up Deckhouse…).
Example of the ModuleConfig/kube-dns
resource for configuring the module:
apiVersion: deckhouse.io/v1alpha1
kind: ModuleConfig
metadata:
name: kube-dns
spec:
version: 1
enabled: true
settings: # <-- Module parameters from the "Parameters" section below.
Parameters
Schema version: 1
- clusterDomainAliasesarray of strings
A list of cluster domain aliases; these are resolved on par with
global.discovery.clusterDomain
.- Element of the arraystring
Pattern:
^[0-9a-zA-Z\.-]+$
- Element of the arraystring
- enableLogsboolean
Enable CoreDNS logging.
Default:
false
- hostsarray of objects
Not required value.
A static list of hosts similar to that of
/etc/hosts
.- hosts.domainstring
Pattern:
^[0-9a-zA-Z\.-]+$
- hosts.ipstring
Pattern:
^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$
- hosts.domainstring
- stubZonesarray of objects
A list of additional zones CoreDNS should be authoritative for.
Default:
[]
Example:
stubZones: - zone: example.com upstreamNameservers: - 8.8.8.8 cacheTTLSeconds: 3600
- stubZones.cacheTTLSecondsinteger
Max TTL in seconds for NOERROR responses.
Default:
30
Allowed values:
1 <= X <= 3600
- stubZones.upstreamNameserversarray of strings
Required value
A list of IP addresses of recursive DNS servers that CoreDNS will use to resolve domains in this zone.
- Element of the arraystring
Pattern:
^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}(:[0-9]{1,})?$
- Element of the arraystring
- stubZones.zonestring
Required value
The CoreDNS zone.
Pattern:
^[0-9a-zA-Z\.-]+$
Example:
zone: consul.local
- stubZones.cacheTTLSecondsinteger
- upstreamNameserversarray of strings
A list of IP addresses of recursive DNS servers that CoreDNS will use to resolve external domains.
By default, the
/etc/resolv.conf
list is used.- Element of the arraystring
Pattern:
^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}(:[0-9]{1,})?$
- Element of the arraystring