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AB#2260 Refactor disk-mapper recovery (#82)

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* Refactor disk-mapper recovery

* Adapt constellation recover command to use new disk-mapper recovery API

* Fix Cilium connectivity on rebooting nodes (#89)

* Lower CoreDNS reschedule timeout to 10 seconds (#93)

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-09-08 14:45:27 +02:00 • committed by GitHub
parent a7b20b2a11
commit 8cb155d5c5
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40 changed files with 1600 additions and 1130 deletions
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18
bootstrapper/internal/kubernetes/k8sapi/util.go
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@ -264,12 +264,19 @@ func (k *KubernetesUtil) deployCiliumGCP(ctx context.Context, helmClient *action
return err
}
timeoutS := int64(10)
// allow coredns to run on uninitialized nodes (required by cloud-controller-manager)
tolerations := []corev1.Toleration{
{
Key: "node.cloudprovider.kubernetes.io/uninitialized",
Value: "true",
Effect: "NoSchedule",
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: "node.kubernetes.io/unreachable",
Operator: corev1.TolerationOpExists,
Effect: corev1.TaintEffectNoExecute,
TolerationSeconds: &timeoutS,
},
}
if err = kubectl.AddTolerationsToDeployment(ctx, tolerations, "coredns", "kube-system"); err != nil {
@ -305,7 +312,7 @@ func (k *KubernetesUtil) deployCiliumGCP(ctx context.Context, helmClient *action
// FixCilium fixes https://github.com/cilium/cilium/issues/19958 but instead of a rollout restart of
// the cilium daemonset, it only restarts the local cilium pod.
func (k *KubernetesUtil) FixCilium(nodeNameK8s string, log *logger.Logger) {
func (k *KubernetesUtil) FixCilium(log *logger.Logger) {
// wait for cilium pod to be healthy
client := http.Client{}
for {
@ -487,13 +494,6 @@ func (k *KubernetesUtil) StartKubelet() error {
return startSystemdUnit(ctx, "kubelet.service")
}
// RestartKubelet restarts a kubelet.
func (k *KubernetesUtil) RestartKubelet() error {
ctx, cancel := context.WithTimeout(context.TODO(), kubeletStartTimeout)
defer cancel()
return restartSystemdUnit(ctx, "kubelet.service")
}
// createSignedKubeletCert manually creates a Kubernetes CA signed kubelet certificate for the bootstrapper node.
// This is necessary because this node does not request a certificate from the join service.
func (k *KubernetesUtil) createSignedKubeletCert(nodeName string, ips []net.IP) error {