Ubuntu install consul cluster

Go to downloads page to download the correct version:
https://www.consul.io/downloads.html

I downloaded below version:
https://releases.hashicorp.com/consul/1.2.2/consul_1.2.2_linux_386.zip

unzip the package

unzip consul_1.2.2_linux_386.zip

Copied the unziped file consul* to /usr/bin/

mv consul /usr/bin/consul

Start the consul server agent

mkdir -p /tmp/consul
nohup consul agent -server -data-dir=/tmp/consul -node=server1 -bind=192.168.1.103 -bootstrap-expect 1 -client 0.0.0.0 -ui &

Parameter	Comments
consul agent	it will start a consul agent
-server	means the agent is a server agent,it is client agent it we do not define this parameter
-data-dir	client agent:service info,healthy info,server agent:cluster info
-node	the agent name, must unique, it will default to host if not defined
-bind	the ip for the agent
-bootstrap-expect 1	to inform consul that how many server agent will be joined, it aims to lazy start replication
-client 0.0.0.0 -ui	start consul UI and all IPs can access the UI

Start the consul client agent

mkdir -p /tmp/consul
nohup consul agent -data-dir=/tmp/consul -node=client-11 -bind=192.168.1.102 -join=192.168.1.103 &

Parameter	Comments
-join	add this client agent to agent server cluster

We can use below command to view all the nodes

consul members

We can access consul UI use below address

http://192.168.1.103:8500

spring-boot integrate with service register and discover

https://blog.youkuaiyun.com/yaominhua/article/details/82317368