consul configure the startup script

node	name	IP
server	consul_10	10.10.10.10
server	consul_11	10.10.10.11
client	consul_12	10.10.10.12

• Server

#!/bin/bash
 
mkdir -p /data/consul/{consul_d,logs}
rm -rf /data/consul/logs/*
 
nohup /opt/consul/consul agent -ui \
-server \
-bootstrap-expect=1 \
-log-file=/data/consul/logs/ \
-log-level=warn \
-log-rotate-bytes=102400000 \
-data-dir=/data/consul/consul_d/ \
-node=consul_10 \
-client=0.0.0.0 \
-encrypt=fPEBs8/pU4kSpu59yhqq/A== \
-retry-join=10.10.10.10 \
-retry-join=10.10.10.11 > /dev/null 2>&1 &

• Other hosts in the cluster

#!/bin/bash
 
mkdir -p /data/consul/{consul_d,logs}
rm -rf /data/consul/logs/*
 
nohup /opt/consul/consul agent -ui \
-server \
-bootstrap-expect=1 \
-log-file=/data/consul/logs/ \
-log-level=warn \
-log-rotate-bytes=102400000 \
-data-dir=/data/consul/consul_d/ \
-node=consul_11 \
-client=0.0.0.0 \
-encrypt=fPEBs8/pU4kSpu59yhqq/A== \
-retry-join=10.10.10.10 \
-retry-join=10.10.10.11 > /dev/null 2>&1 &

• Client

#!/bin/bash
 
mkdir -p /data/consul/{consul_d,logs}
rm -rf /data/consul/logs/*
 
nohup /opt/consul/consul agent -ui \
-log-file=/data/consul/logs/ \
-log-level=warn \
-log-rotate-bytes=102400000 \
-data-dir=/data/consul/consul_d/ \
-node=consul_12 \
-encrypt=fPEBs8/pU4kSpu59yhqq/A== \
-retry-join=10.10.10.10 \
-retry-join=10.10.10.11 > /dev/null 2>&1 &

Server -bootstrap-expectparameters are configured according to the actual number of machines cluster
server and client use consul keygengenerated.