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Install kubernetes on init / join and restart kubelet after reboot

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Signed-off-by: Malte Poll <mp@edgeless.systems>
This commit is contained in:
Malte Poll 2022-05-19 17:18:22 +02:00 • committed by Malte Poll
parent f67cf2d31f
commit 1331ee4077
9 changed files with 141 additions and 18 deletions
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7
coordinator/core/cluster.go
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@ -185,6 +185,8 @@ type Cluster interface {
GetKubeadmCertificateKey() (string, error)
// GetJoinToken returns a bootstrap (join) token.
GetJoinToken(ttl time.Duration) (*kubeadm.BootstrapTokenDiscovery, error)
// StartKubelet starts the kubelet service.
StartKubelet() error
}
// ClusterFake behaves like a real cluster, but does not actually initialize or join Kubernetes.
@ -219,6 +221,11 @@ func (c *ClusterFake) GetJoinToken(_ time.Duration) (*kubeadm.BootstrapTokenDisc
}, nil
}
// StartKubelet starts the kubelet service.
func (c *ClusterFake) StartKubelet() error {
return nil
}
// k8sCompliantHostname transforms a hostname to an RFC 1123 compliant, lowercase subdomain as required by Kubernetes node names.
// The following regex is used by k8s for validation: /^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$/ .
// Only a simple heuristic is used for now (to lowercase, replace underscores).