Build K8S cluster: kubernetes-1.11.3

Build K8S cluster kubernetes 1.11.3

1.1 Lab Architecture:

Kubernetes architecture

Node1: master 10.192.44.129

Node2: node2 10.192.44.127

Node3: node3 10.192.44.126

Etcd architecture

Node1: master 10.192.44.129

Node2: node 10.192.44.127

Node3: node 10.192.44.126

Harbor server

Redhat128.example.com

10.192.44.128

two。 Installation

2.1 configure system-related parameters (each):

2.1.1 temporarily disable selinux

Sed-I's impulse SELINUX automatically perpendicular to SELINUX.SELINUXPROUXPROPERATIVE etc/sysconfig/selinux

Setenforce 0

2.1.2 temporarily close swap, permanently close swap lines in direct comment fstab

Swapoff-a

2.1.3 enable forward

Iptables-P FORWARD ACCEPT

2.1.3 configure forwarding-related parameters, otherwise errors may occur

Cat config.json

Cfssl print-defaults csr > csr.json

# create the following ca-config.json file according to the format of config.json file

# Expiration time is set to 87600h

Cat > ca-config.json / etc/kubernetes/controller-manager / etc/kubernetes/scheduler > ~ / .bashrc

Source / .bashrc

7. Install the flannel network plug-in

7.1Configuring flannel through yum installation (per node)

Yum install-y flannel

7.2 configure service file (per node)

Cat > / usr/lib/systemd/system/flanneld.service / etc/sysconfig/flanneld / usr/lib/systemd/system/kubelet.service / usr/lib/systemd/system/kube-proxy.service / etc/kubernetes/config busyboxdeploy.yaml