TASK [kubernetes : Init Kubernetes on Saturne] **********************************************************************************************************************************************************************
fatal: [Saturne]: FAILED! => changed=true 
  cmd:
  - kubeadm
  - init
  - --config=/root/kubeadm-config.yaml
  delta: '0:00:00.608823'
  end: '2020-09-14 00:40:32.622035'
  msg: non-zero return code
  rc: 1
  start: '2020-09-14 00:40:32.013212'
  stderr: |-
    W0914 00:40:32.046191   87590 common.go:77] your configuration file uses a deprecated API spec: "kubeadm.k8s.io/v1beta1". Please use 'kubeadm config migrate --old-config old.yaml --new-config new.yaml', which will write the new, similar spec using a newer API version.
    W0914 00:40:32.048247   87590 strict.go:54] error unmarshaling configuration schema.GroupVersionKind{Group:"kubelet.config.k8s.io", Version:"v1beta1", Kind:"KubeletConfiguration"}: error unmarshaling JSON: while decoding JSON: json: unknown field "containerRuntime"
    W0914 00:40:32.486840   87590 configset.go:348] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]
            [WARNING Firewalld]: firewalld is active, please ensure ports [6443 10250] are open or your cluster may not function correctly
            [WARNING FileExisting-tc]: tc not found in system path
            [WARNING Hostname]: hostname "saturne" could not be reached
            [WARNING Hostname]: hostname "saturne": lookup saturne on 213.186.33.99:53: no such host
    error execution phase preflight: [preflight] Some fatal errors occurred:
            [ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty
    [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
    To see the stack trace of this error execute with --v=5 or higher
  stderr_lines: <omitted>
  stdout: |-
    [config] WARNING: Ignored YAML document with GroupVersionKind kubeadm.k8s.io/v1beta2, Kind=JoinConfiguration
    [init] Using Kubernetes version: v1.19.1
    [preflight] Running pre-flight checks
  stdout_lines: <omitted>

PLAY RECAP **********************************************************************************************************************************************************************************************************
Saturne                    : ok=85   changed=7    unreachable=0    failed=1    skipped=48   rescued=0    ignored=0