Shulou(Shulou.com)06/01 Report--

This article mainly introduces how to use binary method to build K8S high availability cluster, the article is very detailed, has a certain reference value, interested friends must read it!

1. System Overview

Operating system version: CentOS7.5

K8s version: 1.12

System requirements: shut down swap, selinux, iptables

Specific information:

Topology Diagram:

Binary package download address

Etcd:

Https://github.com/coreos/etcd/releases/tag/v3.2.12

Flannel:

Https://github.com/coreos/flannel/releases/download/v0.10.0/flannel-v0.10.0-linux-amd64.tar.gz

K8s:

Https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.12.md

2. Self-signed Etcd SSL certificate

Master01 operation:

# cat cfssl.shrunken to binmax BASHWget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64wget https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64chmod + x cfssl_linux-amd64 cfssljson_linux-amd64 cfssl-certinfo_linux-amd64mv cfssl_linux-amd64 / usr/local/bin/cfsslmv cfssljson_linux-amd64 / usr/local/bin/cfssljsonmv cfssl-certinfo_linux-amd64 / usr/bin/cfssl-certinfo

Self-signed Etcd SSL certificate

# cat cert-etcd.shcat > ca-config.json

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