kubeletdnat

package
Version: v2.14.13+incompatible Latest Latest
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Published: Apr 2, 2021 License: Apache-2.0 Imports: 21 Imported by: 1

Documentation

Overview

Package kubeletdnat contains the kubeletdnat controller which:

* Is needed for all controlplane components running in the seed that need to reach nodes
* Is not needed if reaching the pods is sufficient
* Must be used in conjunction with the openvpn client
* Creates NAT rules for both the public and private node IP that tunnels access to them via the VPN
* Its counterpart runs within the openvpn client pod in the usercluster, is part of the openvpn addon and written in bash

Index

Constants

View Source
const (
	ControllerName = "kubermatic_kubelet_dnat_controller"
)

Variables

This section is empty.

Functions

func Add

func Add(
	mgr manager.Manager,
	nodeTranslationChainName string,
	nodeAccessNetwork net.IP,
	log *zap.SugaredLogger,
	vpnInterface string) error

NewController creates a new controller for the specified data.

Types

type Reconciler

type Reconciler struct {
	ctrlruntimeclient.Client
	// contains filtered or unexported fields
}

Reconciler updates iptable rules to match node addresses. Every node address gets a translation to the respective node-access (vpn) address.

func (*Reconciler) Reconcile

func (r *Reconciler) Reconcile(request reconcile.Request) (reconcile.Result, error)

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