集群镜像：docker部署rabbitmq集群的实现方法

docker pull rabbitmq:3.7-rc-management

# docker network create rabbitmqnet
# docker network ls
NETWORK ID     NAME        DRIVER       SCOPE
65b44ea8847c    rabbitmqnet     bridge       local
...

# docker run -d \
--name=rabbitmq1 \
-p 5672:5672 \
-p 15672:15672 \
-e RABBITMQ_NODENAME=rabbitmq1 \
-e RABBITMQ_ERLANG_COOKIE='YZSDHWMFSMKEMBDHSGGZ' \
-h rabbitmq1 \
--net=rabbitmqnet \
rabbitmq:3.7-rc-management
# docker run -d \
--name=rabbitmq2 \
-p 5673:5672 \
-p 15673:15672 \
-e RABBITMQ_NODENAME=rabbitmq2 \
-e RABBITMQ_ERLANG_COOKIE='YZSDHWMFSMKEMBDHSGGZ' \
-h rabbitmq2 \
--net=rabbitmqnet \
rabbitmq:3.7-rc-management
# docker run -d \
--name=rabbitmq3 \
-p 5674:5672 \
-p 15674:15672 \
-e RABBITMQ_NODENAME=rabbitmq3 \
-e RABBITMQ_ERLANG_COOKIE='YZSDHWMFSMKEMBDHSGGZ' \
-h rabbitmq3 \
--net=rabbitmqnet \
rabbitmq:3.7-rc-management

### Disk Node
# docker exec rabbitmq2 bash -c \
"rabbitmqctl stop_app && \
rabbitmqctl reset && \
rabbitmqctl join_cluster rabbitmq1@rabbitmq1 && \
rabbitmqctl start_app"
### Ram Node
# docker exec rabbitmq3 bash -c \
"rabbitmqctl stop_app && \
rabbitmqctl reset && \
rabbitmqctl join_cluster --ram rabbitmq1@rabbitmq1 && \
rabbitmqctl start_app"

# docker exec rabbitmq3 bash -c \
"rabbitmqctl stop_app && \
rabbitmqctl reset && \
rabbitmqctl start_app"

# docker pull haproxy

# cat haproxy-create.sh
#! /bin/bash
docker run -d \
  --name rabbitmq-haproxy \
  -p 1080:80 -p 5677:5677 -p 8001:8001 \
  --net=rabbitmqnet \
  -v /root/rabbitmq/haproxy-etc:/usr/local/etc/haproxy:ro \
  haproxy:latest

root@node0:~/rabbitmq# cat haproxy-etc/haproxy.cfg
# Simple configuration for an HTTP proxy listening on port 80 on all
# interfaces and forwarding requests to a single backend "servers" with a
# single server "server1" listening on 127.0.0.1:8000
global
  daemon
  maxconn 256
defaults
  mode http
  timeout connect 5000ms
  timeout client 5000ms
  timeout server 5000ms
listen rabbitmq_cluster
  bind 0.0.0.0:5677
  option tcplog
  mode tcp
  balance leastconn
  server rabbit1 rabbitmq1:5672 check inter 2s rise 2 fall 3
  server rabbit2 rabbitmq2:5672 check inter 2s rise 2 fall 3
  server rabbit3 rabbitmq3:5672 check inter 2s rise 2 fall 3
listen http_front
  bind 0.0.0.0:80
  stats uri /haproxy?stats
listen rabbitmq_admin
  bind 0.0.0.0:8001
  server rabbit1 rabbitmq1:15672
  server rabbit2 rabbitmq2:15672
  server rabbit3 rabbitmq3:15672

# docker pull kbudde/rabbitmq-exporter

# docker run -d --net=container:rabbitmq1 kbudde/rabbitmq-exporter

# wget http://localhost:9090/metrics