coredns

Documentation

Index

• Constants
• Variables
• func CentralLoggingConfiguration() (component.CentralLoggingConfig, error)
• type Interface
  • func New(client client.Client, namespace string, values Values) Interface
• type Values

Constants

const (
	// LabelKey is the key of a label used for the identification of CoreDNS pods.
	LabelKey = "k8s-app"
	// LabelValue is the value of a label used for the identification of CoreDNS pods (it's 'kube-dns' for legacy
	// reasons).
	LabelValue = "kube-dns"

	// ManagedResourceName is the name of the ManagedResource containing the resource specifications.
	ManagedResourceName = "shoot-core-coredns"
	// PortServiceServer is the service port used for the DNS server.
	PortServiceServer = 53
	// PortServer is the target port used for the DNS server.
	PortServer = 8053
	// DeploymentName is the name of the coredns Deployment.
	DeploymentName = "coredns"
)

Variables

var TimeoutWaitForManagedResource = 2 * time.Minute

TimeoutWaitForManagedResource is the timeout used while waiting for the ManagedResources to become healthy or deleted.

Functions

func CentralLoggingConfiguration

func CentralLoggingConfiguration() (component.CentralLoggingConfig, error)

CentralLoggingConfiguration returns a fluent-bit parser and filter for the CoreDNS logs.

Types

type Interface

type Interface interface {
	component.DeployWaiter
	component.MonitoringComponent
	SetPodAnnotations(map[string]string)
}

Interface contains functions for a CoreDNS deployer.

func New

func New(
	client client.Client,
	namespace string,
	values Values,
) Interface

New creates a new instance of DeployWaiter for coredns.

type Values

type Values struct {
	// APIServerHost is the host of the kube-apiserver.
	APIServerHost *string
	// ClusterDomain is the domain used for cluster-wide DNS records handled by CoreDNS.
	ClusterDomain string
	// ClusterIP is the IP address which should be used as `.spec.clusterIP` in the Service spec.
	ClusterIP string
	// Image is the container image used for CoreDNS.
	Image string
	// PodAnnotations is the set of additional annotations to be used for the pods.
	PodAnnotations map[string]string
	// PodNetworkCIDR is the CIDR of the pod network.
	PodNetworkCIDR string
	// NodeNetworkCIDR is the CIDR of the node network.
	NodeNetworkCIDR *string
	// AutoscalingMode indicates whether cluster proportional autoscaling is enabled.
	AutoscalingMode gardencorev1beta1.CoreDNSAutoscalingMode
	// ClusterProportionalAutoscalerImage is the container image used for the cluster proportional autoscaler.
	ClusterProportionalAutoscalerImage string
	// WantsVerticalPodAutoscaler indicates whether vertical autoscaler should be used.
	WantsVerticalPodAutoscaler bool
}

Values is a set of configuration values for the coredns component.