kubernetes1.17集群部署
学习自:https://www.jianshu.com/p/789bc867feaa
192.168.191.10 k8s-1
192.168.191.11 k8s-2
192.168.191.12 k8s-3
cat /etc/docker/daemon.json
{
"registry-mirrors": ["https://pcy9sknd.mirror.aliyuncs.com"],
"exec-opts": ["native.cgroupdriver=systemd"]
}
systemctl daemon-reload && systemctl restart docker
————————————————————————————————————————————————————
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=0
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
——————————————————————————————————————————————————
scp /etc/yum.repos.d/kubernetes.repo root@192.168.191.11:/etc/yum.repos.d
scp /etc/yum.repos.d/kubernetes.repo root@192.168.191.12:/etc/yum.repos.d
yum install -y kubelet kubeadm kubectl
systemctl start kubelet && systemctl enable kubelet
systemctl stop firewalld && systemctl disable firewalld
setenforce 0 && sed -i "s/SELINUX=enforcing$/SELINUX=disabled/g" /etc/selinux/config
swapoff -a && sed -i "s/\/dev\/mapper\/centos-swap/\#\/dev\/mapper\/centos-swap/g" /etc/fstab
cat > /etc/sysconfig/modules/ipvs.modules <<EOF
#!/bin/bash
modprobe -- ip_vs
modprobe -- ip_vs_rr
modprobe -- ip_vs_wrr
modprobe -- ip_vs_sh
modprobe -- nf_conntrack_ipv4
EOF
chmod 755 /etc/sysconfig/modules/ipvs.modules && bash /etc/sysconfig/modules/ipvs.modules && lsmod | grep -e ip_vs -e nf_conntrack_ipv4
cat > /etc/sysctl.d/k8s.conf << EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
vm.swappiness=0
EOF
sysctl --system
iptables -P FORWARD ACCEPT
sed -i '/ExecStart/a ExecStartPost=/sbin/iptables -P FORWARD ACCEPT' /usr/lib/systemd/system/docker.service
systemctl daemon-reload
yum install -y ipset ipvsadm bind-utils
kubeadm config print init-defaults > kubeadm-init.yaml
kubeadm init --config kubeadm-init.yaml
kubeadm init --kubernetes-version=v1.17.0 --pod-network-cidr=10.244.0.0/16 --image-repository=registry.cn-hangzhou.aliyuncs.com/google_containers
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config
kubeadm join 192.168.191.10:6443 --token hxli3n.0ei4xd5rgp9rf0qq \
--discovery-token-ca-cert-hash sha256:4d388f2b94c3d691e6a174fa146e4ae863b3f5c31ff158e11a8e80b421e3a14c
scp /etc/kubernetes/admin.conf k8s-1:~/.kube/config
scp /etc/kubernetes/admin.conf k8s-2:~/.kube/config
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