1.官網(wǎng)下載安裝包

https://releases.hashicorp.com/consul/1.4.3/consul_1.4.3_linux_amd64.zip

2.部署節(jié)點(diǎn)如下

192.168.8.142 sxconsul1

192.168.8.143 sxconsul2

192.168.8.144 sxconsul3

3.解壓之后的consul是一個(gè)可執(zhí)行文件，復(fù)制到/usr/local/bin/ 下

4.三臺(tái)服務(wù)器創(chuàng)建文件夾

mkdir -p /data/consul/data

5.每臺(tái)服務(wù)器上執(zhí)行

例如 192.168.8.142

vim /etc/sysconfig/consul

CMD_OPTS="agent -server -bootstrap-expect=3 -data-dir=/data/consul/data -node=sxconsul1 -bind=192.168.8.142 -rejoin -client=0.0.0.0 -datacenter=shdy -ui"

cat > /lib/systemd/system/consul.service << EOF

[Unit]

Description=Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.

Documentation=http://www.consul.io

After=network-online.target

Wants=network-online.target

[Service]

LimitCORE=infinity

LimitNOFILE=100000

LimitNPROC=100000

EnvironmentFile=-/etc/sysconfig/consul

ExecStart=/usr/local/bin/consul $CMD_OPTS

ExecReload=/bin/kill -HUP $MAINPID

KillSignal=SIGINT

[Install]

WantedBy=multi-user.target

EOF

systemctl enable consul

systemctl start consul

6.三臺(tái)服務(wù)器配置啟動(dòng)好consul

在192.168.8.143和192.168.8.144執(zhí)行

consul join 192.168.8.142

7.查看集群狀態(tài)

consul members

顯示如下

Node Address Status Type Build Protocol DC Segment

sxconsul1 192.168.8.142:8301 alive server 1.4.3 2 xxxx

sxconsul2 192.168.8.143:8301 alive server 1.4.3 2 xxxx

sxconsul3 192.168.8.144:8301 alive server 1.4.3 2 xxxx

8.訪問(wèn)控制臺(tái)

http://192.168.8.142:8500/ui/xxxx/nodes

9.consul operator raft list-peers

查看consul的主從

總結(jié)

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