external-dns/charts/external-dns

ExternalDNS

ExternalDNS synchronizes exposed Kubernetes Services and Ingresses with DNS providers.

Installing the Chart

Before you can install the chart you will need to add the external-dns repo to Helm.

helm repo add external-dns https://kubernetes-sigs.github.io/external-dns/

After you've installed the repo you can install the chart.

helm upgrade --install external-dns/external-dns

Configuration

The following table lists the configurable parameters of the ExternalDNS chart and their default values.

Parameter	Description	Default
image.repository	Image repository.	k8s.gcr.io/external-dns/external-dns
image.tag	Image tag, will override the default tag derived from the chart app version.	""
image.pullPolicy	Image pull policy.	IfNotPresent
imagePullSecrets	Image pull secrets.	[]
nameOverride	Override the name of the chart.	""
fullnameOverride	Override the fullname of the chart.	""
serviceAccount.create	If true, create a new serviceaccount.	true
serviceAccount.annotations	Annotations to add to the service account.	{}
serviceAccount.name	Service account to be used. If not set and serviceAccount.create is true, a name is generated using the full name template.	""
rbac.create	If true, create the RBAC resources.	true
podLabels	Labels to add to the pod.	{}
podAnnotations	Annotations to add to the pod.	{}
podSecurityContext	Security context for the pod, this supports the full PodSecurityContext API.	see values.yaml
securityContext	Security context for the external-dns container, this supports the full SecurityContext API.	see values.yaml
priorityClassName	Priority class name to use for the pod.	""
terminationGracePeriodSeconds	Termination grace period for the pod.	null
serviceMonitor.enabled	If true, create a Prometheus service monitor.	false
serviceMonitor.additionalLabels	Additional labels to be set on the ServiceMonitor.	{}
serviceMonitor.interval	Prometheus scrape frequency.	1m
serviceMonitor.scrapeTimeout	Prometheus scrape timeout.	10s
env	Environment variables for the external-dns container, this supports the full EnvVar API including secrets and configmaps.	[]
livenessProbe	Liveness probe for the external-dns container, this supports the full Probe API.	See values.yaml
readinessProbe	Readiness probe for the external-dns container, this supports the full Probe API.	See values.yaml
service.port	Port to expose via the service.	7979
extraVolumes	Additional volumes for the pod, this supports the full VolumeDevice API.	[]
extraVolumeMounts	Additional volume mounts for the external-dns container, this supports the full VolumeMount API.	[]
resources	Resource requests and limits for the external-dns container, this supports the full ResourceRequirements API.	{}
nodeSelector	Node labels for pod assignment.	{}
tolerations	Tolerations for pod assignment, this supports the full Toleration API.	[]
affinity	Affinity settings for pod assignment, this supports the full Affinity API.	{}
logLevel	Verbosity of the logs, available values are: panic, debug, info, warn, error, fatal.	info
logFormat	Formats of the logs, available values are: text, json.	text
interval	The interval for DNS updates.	1m
triggerLoopOnEvent	When enabled, triggers run loop on create/update/delete events in addition of regular interval.	false
sources	K8s resources type to be observed for new DNS entries.	See values.yaml
policy	How DNS records are synchronized between sources and providers, available values are: sync, upsert-only.	upsert-only
registry	Registry Type, available types are: txt, noop.	txt
txtOwnerId	TXT registry identifier.	""
txtPrefix	Prefix to create a TXT record with a name following the pattern prefix.<CNAME record>.	""
domainFilters	Limit possible target zones by domain suffixes.	[]
provider	DNS provider where the DNS records will be created, for the available providers and how to configure them see the README.	aws
extraArgs	Extra arguments to pass to the external-dns container, these are needed for provider specific arguments.	[]