// Aula 3 - Configurando um cluster Kubernetes

# k8s-master

# k8s-slave-1 e k8s-slave-2

# curl -sSL get.docker.com | sh

# vim /etc/docker/daemon.json

{
	"exec-opts": ["native.cgroupdriver=systemd"],
	"log-driver": "json-file",
	"log-opts": {
		"max-size": "100m"
	},
	"storage-driver": "overlay2"
}

# vim /etc/sysctl.conf

net.ipv4.ip_forward=1

# reboot

# systemctl status docker

# docker run hello-world

# sudo swapoff -a

# vim /etc/fstab

/swap.img none swap sw 0 0

# curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add

$ sudo apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"

# apt update

# apt install kubeadm kubectl kubelet

# kubeadm init --pod-network-cidr=10.244.0.0/16

kubeadm join 192.168.15.31:6443 --token zcwv0n.c8h8qoy6ibrme2oo \
    --discovery-token-ca-cert-hash sha256:b5a3fa4092c5454417d948fd364be3fade47bc8ba4a2b09cc177109309875cb7