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bootstrapper: run etcd with pre-vote flag.

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This commit is contained in:
Otto Bittner 2023-09-18 10:11:24 +02:00
parent 83cfc86df1
commit ae9926ed4e
1 changed files with 13 additions and 0 deletions
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13
bootstrapper/internal/kubernetes/k8sapi/kubeadm_config.go
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@ -63,6 +63,19 @@ func (c *KubdeadmConfiguration) InitConfiguration(externalCloudProvider bool, cl
},
// Target kubernetes version of the control plane.
KubernetesVersion: clusterVersion,
// Configration of the etcd cluster spawned for the control plane.
Etcd: kubeadm.Etcd{
Local: &kubeadm.LocalEtcd{
ExtraArgs: map[string]string{
// Alleviate problems where nodes that are partitioned from the etcd cluster
// and rejoin later trigger leader re-elections. Leader re-elections can
// disrupt requests.
// Background: https://groups.google.com/g/scylladb-dev/c/Aj6rzpEgkSc/m/_41ZeHAuAwAJ.
// Raft is the consensus algorithm used by etcd.
"pre-vote": "true",
},
},
},
// necessary to be able to access the kubeapi server through localhost
APIServer: kubeadm.APIServer{
ControlPlaneComponent: kubeadm.ControlPlaneComponent{