hh_kube_create_cluster.txt

Install kube cluster





systemctl disable --now firewalld

swapoff -a

# Comentar swap partition
/etc/fstab

# Borramos la particion
lvremove /dev/centos/swap

root@kube-master:~yum downgrade docker-ce-cli-18.06.3.ce-3.el7


systemctl start docker
systemctl enable docker


# MASTER
root@kube-master:~kubeadm init --config kubeadm-config.yaml
[init] Using Kubernetes version: v1.13.4

root@kube-master:~kubeadm init --pod-network-cidr=10.50.0.0/16


# WORKER
#kubeadm join 192.168.50.60:6443 --token 3f94vl.bdaxc34ldwpd28ao --discovery-token-ca-cert-hash sha256:9d4646cb3a49b80156d95707511eab0b54c7371ff0928bb0a70da0b3af345042
kubeadm join 192.168.50.60:6443 --token gh4z0r.a6kdrfqb76o9wfe5 --discovery-token-ca-cert-hash sha256:8c2236ab66d50bfeb63d49e92c59f2ea52fc09d3e0bd962cd27bcd4042429690


# KUBECONFIG
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config


# CALICO solo nodes
kubectl apply -f https://docs.projectcalico.org/v3.3/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml

curl https://docs.projectcalico.org/v3.3/getting-started/kubernetes/installation/hosted/kubernetes-datastore/calico-networking/1.7/calico.yaml|sed s/192\.168/10.50/g | kubectl apply -f -

export KUBECONFIG=$HOME/.kube/confign


kubectl create deployment hello-node --image=gcr.io/hello-minikube-zero-install/hello-node


kubectl expose deployment hello-node --type=LoadBalancer --port=8080

kubectl config view
	apiVersion: v1
	clusters:
	- cluster:
	    certificate-authority-data: DATA+OMITTED
	    server: https://192.168.50.60:6443
	  name: kubernetes
	contexts:
	- context:
	    cluster: kubernetes
	    user: kubernetes-admin
	  name: kubernetes-admin@kubernetes
	current-context: kubernetes-admin@kubernetes
	kind: Config
	preferences: {}
	users:
	- name: kubernetes-admin
	  user:
	    client-certificate-data: REDACTED
	    client-key-data: REDACTED