powerdns

Helm Chart for PowerDNS

Installs a PowerDNS authoritative nameserver inside a Kubernetes cluster

TL;DR;

helm repo add puckpuck https://puckpuck.github.io/helm-charts
helm install powerdns puckpuck/powerdns

Installing the chart

It's strongly recommended you create a values yaml file (ie: my-values.yaml) to configure this chart.

The chart can be configured on startup to work with a list of domains. This should be done as part of the powerdns.initDomains property.

powerdns:
  initDomains:
    - k8s.my.sample.domain

You will also need to configure some means of accesibility from the outside world for the DNS server to be accesible. You can do it by setting your service type to LoadBalancer and using annotations to ensure both TCP/UDP can be accessed. Kubernetes has limitations about allowing the same port to be used for both TCP and UDP protocols. Some LoadBalancer providers can get around this (ie: MetalLB) using service annotations. A potential MetalLB setup would be:

service:
  type: LoadBalancer
  annotations:
    metallb.universe.tf/allow-shared-ip: powerdns
  # force ip address
  # ip: 192.168.1.100

Once you have a values yaml file configured with all your options you can install the chart

helm repo add puckpuck https://puckpuck.github.io/helm-charts
helm install powerdns puckpuck/powerdns --values my-values.yaml

Configuration

The values.yaml file contains information about all configuration options for this chart.

Parameters

Parameter	Description	Default
powerdns.api.key	PowerDNS API key	PowerDNSAPI
powerdns.initDomains	List of domains to configure on startup	[]
replicaCount	Number of pdns nodes	1
image.repository	PowerDNS Image repository	psitrax/powerdns
image.tag	PowerDNS Image tag (leave blank to use app version)	nil
image.pullPolicy	PowerDNS Image pull policy	IfNotPresent
service.type	Kubernetes service type	ClusterIP
service.annotations	Annotations for PowerDNS service	{}
service.ip	Specify IP address for PowerDNS service	nil
resources	CPU/Memory resource limits/requests	{}
nodeSelector	Node labels for pod assignment	{}
tolerations	Toleration labels for pod assignment	[]
affinity	Affinity settings for pod assignment	{}
mariadb.enabled	Deploy MariaDB container(s)	true
mariadb.rootUser.password	MariaDB admin password	nil
mariadb.db.name	Database name to create	powerdns
mariadb.db.user	Database user to create	powerdns
mariadb.db.password	Password for the database	powerdns