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原文链接
To install k8s_HA-1.13.0 on CoreOS
external-etcd.png
Prepare:
- download:
- coreos-k8s-v1.13.0.tgz ----- k8s 1.13.0's docker image&kubelet/kubeadm/kubectl&dashboard
- ha.tgz ----- docker image: keepalived.tar/haproxy.tar/etcd.tar
- coreosbase2.tgz ----- kvm's img for CoreOS 1855.4
- 1.0 istio.tgz---(Optional)
- k8s-addon.tgz---(Optional)
- clone k8s-ha-autoinstall & mv *tgz k8s-ha0autoinstall
- CONFIG
- vi CONFIG -----just need modify node&master's IP
K8S_VER=v1.13.0
CIDR_SUBNET=10.244.0.0/16
KUBECONFIG=/etc/kubernetes/admin.conf
LOAD_BALANCER_DNS=k8sha.yunwei.edu
LOAD_BALANCER_PORT=8443
CP1_HOSTNAME=master1.yunwei.edu
CP2_HOSTNAME=master2.yunwei.edu
CP3_HOSTNAME=master3.yunwei.edu
VIP_IP=192.168.253.30
CP1_IP=192.168.253.31
CP2_IP=192.168.253.32
CP3_IP=192.168.253.33
NODE1_IP=192.168.253.34
NODE1_HOSTNAME=node1.yunwei.edu
REMOTE_USER=core
#
master="$CP1_IP,$CP2_IP,$CP3_IP"
node="$NODE1_IP" # add IP seprate by ','
NODES="$master,$node"
net="calico" #calico or flannel
dashboard=true
helm=true
ingress=true
prometheus=true
efk=true
istio=true
#just for coreos machines
KVM_NAME="master1,master2,master3,node1"
GATEWAY=192.168.253.125
DNS1=192.168.253.110
DNS2=114.114.114.114
-
clone
- clone or install CoreOS machines
cd clone_coreos;sh clone_machine.sh
Install
-
Install for single master:
sh -x install.sh all -
Install for multi master:
sh -x install.sh allha
安装完成
验证安装
- 浏览svc.html 包含相关服务的链接
-
sh install.sh status查看各服务状态
当需要重新安装:
`sh -x install.sh reset`
install.sh 的HELP
usage: install.sh [prepare|p]|p1|p2|p3|p4|[1|base]|[2|addon]|[3|ha]|dashboard|network|node|rejoin|ingress|helm|prometheus|efk|istio|finish|default|help|... [-c|--config /path/to/config/config.filename]
p|prepare :cp&load all tgz&images.
p1 :cp&load base tgz&images.
p2 :cp&load addon tgz&images.
p3 :cp&load istio tgz&images.
p4 :cp&load HA tgz&images.
1|base :install k8s base component&calico&dashboard.
2|addon :install k8s addon component:helm,ingress,efk,prometheus.
3|ha :install HA cluster of k8s.
node :only join node.
all|default :install all configured in CONFIG file with single master.
allha :install all configured in CONFIG file with HA three master.
finish :get login token&svc.
rejoin :need join other node after 24h.
ingress :install ingress.
helm :install helm.
efk :install efk.
prometheus :install prometheus.
istio :install istio component.
reboot :reboot all
reset :kubeadm reset all
etcdcheck :check etcd cluster
calicocheck :check calico status
getpods :get pods -o wide
getsvc :get svc -o wide
genindex :gen index svc.html
status :get etcd&calico&pods
timezone8 :set timezone CST-8
route :add route temporally
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