Support kuberentes 1.14.0+ , you needn't keepalived and haproxy anymore!
build a production kubernetes cluster
- Install and start docker
- Downloadoffline package copy it to /root. PS: if you star sealos, you can download it free.
sealos init --master 192.168.0.2 \
--master 192.168.0.3 \
--master 192.168.0.4 \ # masters list
--node 192.168.0.5 \ # nodes list
--user root \ # host user name
--passwd your-server-password \ # host passwd
--pkg-url /root/kube1.14.1.tar.gz # you offline package location
Thats all!
Other flags:
--kubeadm-config string kubeadm-config.yaml local
--vip string virtual ip (default "10.103.97.2")
sealos clean \
--master 192.168.0.2 \
--master 192.168.0.3 \
--master 192.168.0.4 \
--node 192.168.0.5 \
--user root \
--passwd your-server-password
Using super kubeadm:
cd kube/shell && init.sh
echo "10.103.97.2 apiserver.cluster.local" >> /etc/hosts # using vip
kubeadm join 10.103.97.2:6443 --token 9vr73a.a8uxyaju799qwdjv \
--master 10.103.97.100:6443 \
--master 10.103.97.101:6443 \
--master 10.103.97.102:6443 \
--discovery-token-ca-cert-hash sha256:7c2e69131a36ae2a042a339b33381c6d0d43887e2de83720eff5359e26aec866
+----------+ +---------------+ virturl server: 127.0.0.1:6443
| mater0 |<----------------------| ipvs nodes | real servers:
+----------+ |+---------------+ 10.103.97.200:6443
| 10.103.97.201:6443
+----------+ | 10.103.97.202:6443
| mater1 |<---------------------+
+----------+ |
|
+----------+ |
| mater2 |<---------------------+
+----------+
Every node config a ipvs for masters LB.
Then run a lvscare as a staic pod to check realserver is aviliable. /etc/kubernetes/manifests/sealyun-lvscare.yaml
About LVScare
This can care your masters ipvs rules.
About super kubeadm 简体中文,kubernetes v1.14.0+
