Prérequis :
$ wget https://github.com/rancher/rke/releases/download/v0.1.11/rke_linux-amd64 $ mv rke_linux-amd64 rke $ chmod +x rke $ sudo cp rke /usr/bin/ $ rke NAME: rke - Rancher Kubernetes Engine, an extremely simple, lightning fast Kubernetes installer that works everywhere (...)
(source: hackernoon.com)
$ rke config [+] Cluster Level SSH Private Key Path [~/.ssh/id_rsa]: ~/.ssh/id_ed25519 [+] Number of Hosts [1]: 2 [+] SSH Address of host (1) [none]: 192.168.1.101 [+] SSH Port of host (1) [22]: 1803 [+] SSH Private Key Path of host (192.168.1.101) [none]: [-] You have entered empty SSH key path, trying fetch from SSH key parameter [+] SSH Private Key of host (192.168.1.101) [none]: [-] You have entered empty SSH key, defaulting to cluster level SSH key: ~/.ssh/id_ed25519 [+] SSH User of host (192.168.1.101) [ubuntu]: simon [+] Is host (192.168.1.101) a Control Plane host (y/n)? [y]: y [+] Is host (192.168.1.101) a Worker host (y/n)? [n]: y [+] Is host (192.168.1.101) an etcd host (y/n)? [n]: y [+] Override Hostname of host (192.168.1.101) [none]: [+] Internal IP of host (192.168.1.101) [none]: [+] Docker socket path on host (192.168.1.101) [/var/run/docker.sock]: [+] SSH Address of host (2) [none]: 192.168.1.100 [+] SSH Port of host (2) [22]: 1803 [+] SSH Private Key Path of host (192.168.1.100) [none]: [-] You have entered empty SSH key path, trying fetch from SSH key parameter [+] SSH Private Key of host (192.168.1.100) [none]: [-] You have entered empty SSH key, defaulting to cluster level SSH key: ~/.ssh/id_ed25519 [+] SSH User of host (192.168.1.100) [ubuntu]: simon [+] Is host (192.168.1.100) a Control Plane host (y/n)? [y]: y [+] Is host (192.168.1.100) a Worker host (y/n)? [n]: y [+] Is host (192.168.1.100) an etcd host (y/n)? [n]: y [+] Override Hostname of host (192.168.1.100) [none]: [+] Internal IP of host (192.168.1.100) [none]: [+] Docker socket path on host (192.168.1.100) [/var/run/docker.sock]: [+] Network Plugin Type (flannel, calico, weave, canal) [canal]: [+] Authentication Strategy [x509]: [+] Authorization Mode (rbac, none) [rbac]: [+] Kubernetes Docker image [rancher/hyperkube:v1.11.3-rancher1]: [+] Cluster domain [cluster.local]: [+] Service Cluster IP Range [10.43.0.0/16]: 10.100.0.0/16 [+] Enable PodSecurityPolicy [n]: [+] Cluster Network CIDR [10.42.0.0/16]: 10.110.0.0/16 [+] Cluster DNS Service IP [10.43.0.10]: 10.100.0.10 [+] Add addon manifest URLs or YAML files [no]:
Ça crée un fichier ( cluster.yml ), reprenant toutes ces informations.
Il faut faire un swapoff sur les hosts :
$ sudo swapoff -a
Il faut vérifier qu'on peut accéder aux hosts avec une clé SSH.