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helm: remove konnectivity from control-planes

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This is the first step in our migration off of
konnectivity. Before node-to-node encryption
we used konnectivity to route some KubeAPI
to kubelet traffic over the pod network which then
would be encrypted.

Since we enabled node-to-node encryption this has no
security upsides anymore. Note that we still deploy
the konnectivity agents via helm and still have the
load balancer for konnectivity.

In the following releases we will remove both.
This commit is contained in:
Leonard Cohnen 2023-11-15 12:38:01 +01:00 • committed by 3u13r
parent 79f562374a
commit cfcc0898b2
10 changed files with 23 additions and 374 deletions
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4
bootstrapper/internal/kubernetes/kubernetes.go
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@ -133,7 +133,7 @@ func (k *KubeWrapper) InitCluster(
return nil, fmt.Errorf("encoding kubeadm init configuration as YAML: %w", err)
}
log.Infof("Initializing Kubernetes cluster")
kubeConfig, err := k.clusterUtil.InitCluster(ctx, initConfigYAML, nodeName, clusterName, validIPs, controlPlaneHost, controlPlanePort, conformanceMode, log)
kubeConfig, err := k.clusterUtil.InitCluster(ctx, initConfigYAML, nodeName, clusterName, validIPs, conformanceMode, log)
if err != nil {
return nil, fmt.Errorf("kubeadm init: %w", err)
}
@ -238,7 +238,7 @@ func (k *KubeWrapper) JoinCluster(ctx context.Context, args *kubeadm.BootstrapTo
return fmt.Errorf("encoding kubeadm join configuration as YAML: %w", err)
}
log.With(zap.String("apiServerEndpoint", args.APIServerEndpoint)).Infof("Joining Kubernetes cluster")
if err := k.clusterUtil.JoinCluster(ctx, joinConfigYAML, peerRole, loadBalancerHost, loadBalancerPort, log); err != nil {
if err := k.clusterUtil.JoinCluster(ctx, joinConfigYAML, log); err != nil {
return fmt.Errorf("joining cluster: %v; %w ", string(joinConfigYAML), err)
}