Add RKE bootstrapper

[innobead]

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[innobead]

Single node

❯ export `kubefire cluster env demo-rke`
❯ kubectl get nodes
NAME         STATUS   ROLES                      AGE   VERSION
10.62.0.15   Ready    controlplane,etcd,worker   80s   v1.19.4

Multiple nodes

❯ kubectl get nodes
NAME         STATUS   ROLES               AGE   VERSION
10.62.0.16   Ready    controlplane,etcd   59s   v1.19.4
10.62.0.17   Ready    worker              58s   v1.19.4
10.62.0.18   Ready    worker              58s   v1.19.4

Show info

❯ kubefire info -b
KUBEADM                  	K3S                                                   	RKE                                                                   
v1.19.4,v1.18.12,v1.17.14	v1.19.4+k3s1,v1.18.12+k3s1,v1.17.14+k3s2,v1.16.15+k3s1	v1.2.3 (v1.19.4-rancher1-1, v1.18.12-rancher1-2, v1.17.14-rancher1-2)

Deploy a specific version

❯ kubefire cluster create demo-rke --bootstrapper=rke --extra-options="kubernetes_version=v1.18.12-rancher1-1"
...

❯ kubectl get nodes
NAME         STATUS   ROLES                      AGE   VERSION
10.62.0.20   Ready    controlplane,etcd,worker   85s   v1.18.12

Deploy with the customize RKE cluster.yaml

❯ cat /tmp/cluster.yaml
network:
    plugin: calico

❯ kubefire cluster create demo-rke --bootstrapper=rke --extra-options="kubernetes_version=v1.18.12-rancher1-1 cluster_config_file=/tmp/cluster.yaml"
...
INFO[2020-11-23T01:12:18+08:00] time="2020-11-23T01:12:18+08:00" level=info msg="[network] Setting up network plugin: calico" 
...

❯ kubectl get pod -n kube-system
NAME                                       READY   STATUS                  RESTARTS   AGE
calico-kube-controllers-7fbc6b86cc-xh7mk   0/1     ContainerCreating       0          41s
calico-node-qkzql                          0/1     Init:ImagePullBackOff   0          40s
coredns-849545576b-lt229                   0/1     ContainerCreating       0          37s
coredns-autoscaler-5dcd676cbd-fr8m7        0/1     ContainerCreating       0          36s
metrics-server-697746ff48-p5lzj            0/1     ContainerCreating       0          32s
rke-coredns-addon-deploy-job-zlrws         0/1     Completed               0          38s
rke-ingress-controller-deploy-job-r4szm    0/1     Completed               0          28s
rke-metrics-addon-deploy-job-qrsfv         0/1     Completed               0          33s
rke-network-plugin-deploy-job-sv9zj        0/1     Completed               0          53s