Example module ssh-015-ssh-install-minikube fails with: Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory

[athrane]

Use versions:

Centos: 7.6
<mmd:variable key="kubectl-version" value="1.14.0" />
<mmd:variable key="minikube-version" value="1.0.0" />
Docker:

docker version
Client:
 Version:           18.09.4
 API version:       1.39
 Go version:        go1.10.8
 Git commit:        d14af54266
 Built:             Wed Mar 27 18:34:51 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Pineapple output:

Error Out:
--
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
2019/03/31 13:16:24 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 13:16:24 No matching credentials were found, falling back on anonymous
! Error starting cluster: kubeadm init:
sudo /usr/bin/kubeadm init --config /var/lib/kubeadm.yaml --ignore-preflight-errors=DirAvailable--etc-kubernetes-manifests --ignore-preflight-errors=DirAvailable--data-minikube --ignore-preflight-errors=Port-10250 --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-etcd.yaml --ignore-preflight-errors=Swap --ignore-preflight-errors=CRI
: running command:
sudo /usr/bin/kubeadm init --config /var/lib/kubeadm.yaml --ignore-preflight-errors=DirAvailable--etc-kubernetes-manifests --ignore-preflight-errors=DirAvailable--data-minikube --ignore-preflight-errors=Port-10250 --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-etcd.yaml --ignore-preflight-errors=Swap --ignore-preflight-errors=CRI
output: [init] Using Kubernetes version: v1.14.0
[preflight] Running pre-flight checks
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
[WARNING Hostname]: hostname "minikube" could not be reached
[WARNING Hostname]: hostname "minikube": lookup minikube on 10.0.2.3:53: no such host
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR FileContent--proc-sys-net-bridge-bridge-nf-call-iptables]: /proc/sys/net/bridge/bridge-nf-call-iptables contents are not set to 1
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
: running command:
sudo /usr/bin/kubeadm init --config /var/lib/kubeadm.yaml --ignore-preflight-errors=DirAvailable--etc-kubernetes-manifests --ignore-preflight-errors=DirAvailable--data-minikube --ignore-preflight-errors=Port-10250 --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml --ignore-preflight-errors=FileAvailable--etc-kubernetes-manifests-etcd.yaml --ignore-preflight-errors=Swap --ignore-preflight-errors=CRI
.: exit status 1
* Sorry that minikube crashed. If this was unexpected, we would love to hear from you:
- https://github.com/kubernetes/minikube/issues/new

[athrane]

Installation using the directives at:
https://github.com/kubernetes/minikube/blob/master/docs/vmdriver-none.md
succeeds only with an warning:

[vagrant@localhost ~]$ curl -Lo minikube \
>   https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 \
>   && sudo install minikube /usr/local/bin/
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 38.2M  100 38.2M    0     0  3039k      0  0:00:12  0:00:12 --:--:-- 2898k
[vagrant@localhost ~]$ kv=$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)
[vagrant@localhost ~]$ curl -Lo kubectl \
>   https://storage.googleapis.com/kubernetes-release/release/$kv/bin/linux/amd64/kubectl \
>   && sudo install kubectl /usr/local/bin/
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 41.1M  100 41.1M    0     0  2705k      0  0:00:15  0:00:15 --:--:-- 2658k
[vagrant@localhost ~]$ export MINIKUBE_WANTUPDATENOTIFICATION=false
[vagrant@localhost ~]$ export MINIKUBE_WANTREPORTERRORPROMPT=false
[vagrant@localhost ~]$ export MINIKUBE_HOME=$HOME
[vagrant@localhost ~]$ export CHANGE_MINIKUBE_NONE_USER=true
[vagrant@localhost ~]$ export KUBECONFIG=$HOME/.kube/config
[vagrant@localhost ~]$ mkdir -p $HOME/.kube $HOME/.minikube
[vagrant@localhost ~]$ touch $KUBECONFIG
[vagrant@localhost ~]$ sudo -E minikube start --vm-driver=none
sudo: minikube: command not found
[vagrant@localhost ~]$ sudo -E /usr/local/bin/minikube start --vm-driver=none
o   minikube v1.0.0 on linux (amd64)
$   Downloading Kubernetes v1.14.0 images in the background ...
>   Creating none VM (CPUs=2, Memory=2048MB, Disk=20000MB) ...
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
2019/03/31 19:10:53 Unable to read "/root/.docker/config.json": open /root/.docker/config.json: no such file or directory
2019/03/31 19:10:53 No matching credentials were found, falling back on anonymous
-   "minikube" IP address is 10.0.2.15
-   Configuring Docker as the container runtime ...
-   Version of container runtime is 18.09.4
:   Waiting for image downloads to complete ...
-   Preparing Kubernetes environment ...
@   Downloading kubelet v1.14.0
@   Downloading kubeadm v1.14.0
-   Pulling images required by Kubernetes v1.14.0 ...
-   Launching Kubernetes v1.14.0 using kubeadm ...
:   Waiting for pods: apiserver proxy etcd scheduler controller dns
-   Configuring cluster permissions ...
-   Verifying component health .....
>   Configuring local host environment ...

!   The 'none' driver provides limited isolation and may reduce system security and reliability.
!   For more information, see:
-   https://github.com/kubernetes/minikube/blob/master/docs/vmdriver-none.md

+   kubectl is now configured to use "minikube"
i   For best results, install kubectl: https://kubernetes.io/docs/tasks/tools/install-kubectl/
=   Done! Thank you for using minikube!

[athrane]

Opened issue in minikube to get some help: kubernetes/minikube#4028
See kubernetes/minikube#4007

[athrane]

Not able to reproduce consistently. Closed for now.