当然，我会提供一个更加详细的步骤指南，帮助你在三台 CentOS 服务器上搭建 RabbitMQ 集群。这些服务器的 IP 地址分别为 10.206.0.4、10.206.0.8 和 10.206.0.13。
步骤 1: 安装 Erlang
RabbitMQ 需要 Erlang 运行环境。在每台服务器上执行以下步骤：
-
添加 Erlang 仓库:
sudo yum install -y epel-release sudo yum install -y https://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm -
安装 Erlang:
sudo yum install -y erlang -
验证 Erlang 安装:
erl -version
步骤 2: 安装 RabbitMQ
接下来，在每台服务器上安装 RabbitMQ：
-
添加 RabbitMQ 仓库:
sudo rpm --import https://www.rabbitmq.com/rabbitmq-release-signing-key.asc sudo yum install -y https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm -
安装 RabbitMQ:
sudo yum install -y rabbitmq-server -
启动 RabbitMQ 服务并设置开机自启:
sudo systemctl start rabbitmq-server sudo systemctl enable rabbitmq-server -
启用 RabbitMQ 管理控制台（可选）:
sudo rabbitmq-plugins enable rabbitmq_management -
重启 RabbitMQ 服务:
sudo systemctl restart rabbitmq-server
步骤 3: 设置 Hostname 和 /etc/hosts
在每台服务器上执行以下步骤，以确保节点之间能够相互识别：
-
设置每台服务器的 Hostname:
- 在 10.206.0.4 上：
sudo hostnamectl set-hostname node1 - 在 10.206.0.8 上：
sudo hostnamectl set-hostname node2 - 在 10.206.0.13 上：
sudo hostnamectl set-hostname node3
- 在 10.206.0.4 上：
-
更新每台服务器的 /etc/hosts 文件:
- 在每台服务器上，添加以下行：
10.206.0.4 node1 10.206.0.8 node2 10.206.0.13 node3 - 你可以使用
sudo vi /etc/hosts来编辑文件。
- 在每台服务器上，添加以下行：
步骤 4: 配置和启动 RabbitMQ 集群
-
在 node1 上创建一个集群:
RabbitMQ 服务已经在前面的步骤中启动。 -
复制 Erlang Cookie:
- Erlang Cookie 用于节点之间的身份验证。从 node1 复制
.erlang.cookie文件到 node2 和 node3：scp /var/lib/rabbitmq/.erlang.cookie root@node2:/var/lib/rabbitmq/ scp /var/lib/rabbitmq/.erlang.cookie root@node3:/var/lib/rabbitmq/ - 确保在 node2 和 node3 上的
/var/lib/rabbitmq/.erlang.cookie文件权限为 400：sudo chmod 400 /var/lib/rabbitmq/.erlang.cookie
- Erlang Cookie 用于节点之间的身份验证。从 node1 复制
-
在 node2 和 node3 上加入集群:
- 在 node2 和 node3 上，停止 RabbitMQ 服务：
sudo systemctl stop rabbitmq-server - 清除 mnesia 数据库：
sudo rm -rf /var/lib/rabbitmq/mnesia/* - 重新启动 RabbitMQ 服务：
sudo systemctl start rabbitmq-server - 将 node2 和
- 在 node2 和 node3 上，停止 RabbitMQ 服务：
node3 加入到集群：
- 在 node2 上：bash sudo rabbitmqctl stop_app sudo rabbitmqctl join_cluster rabbit@node1 sudo rabbitmqctl start_app
- 在 node3 上，重复上述步骤，但将 join_cluster 命令中的 rabbit@node1 改为 rabbit@node2。
-
检查集群状态:
- 在任何节点上执行以下命令来检查集群状态：
sudo rabbitmqctl cluster_status
- 在任何节点上执行以下命令来检查集群状态：
步骤 5: 设置镜像队列（可选）
如果你想要增强数据的持久性和高可用性，你可以设置镜像队列：
sudo rabbitmqctl set_policy ha-all "^" '{"ha-mode":"all","ha-sync-mode":"automatic"}'
这将应用于所有队列，使它们在集群的所有节点上都有镜像。
注意事项
- 确保在所有服务器上正确设置了 Erlang Cookie，并且文件权限正确。
- 在配置集群之前，确保所有 RabbitMQ 节点可以相互网络通信。
- 如果在集群配置过程中遇到问题，请检查 RabbitMQ 日志文件以获取更多信息。日志文件通常位于
/var/log/rabbitmq/。 - 保持集群中所有 RabbitMQ 节点的版本一致。
安装机器日志
[root@master rabbitmq]# erl -version
Erlang (SMP,ASYNC_THREADS,HIPE) (BEAM) emulator version 10.4.4
[root@master rabbitmq]# sudo rpm --import https://www.rabbitmq.com/rabbitmq-release-signing-key.asc
[root@master rabbitmq]# sudo yum install -y https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm
Repository docker-ce-stable is listed more than once in the configuration
Repository docker-ce-stable-source is listed more than once in the configuration
Repository docker-ce-test is listed more than once in the configuration
Repository docker-ce-test-source is listed more than once in the configuration
Last metadata expiration check: 0:06:16 ago on Sat 20 Jan 2024 04:43:58 PM CST.
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30001 milliseconds]
[FAILED] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30001 milliseconds]
Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30001 milliseconds]
[root@master rabbitmq]# sudo yum clean all
Repository docker-ce-stable is listed more than once in the configuration
Repository docker-ce-stable-source is listed more than once in the configuration
Repository docker-ce-test is listed more than once in the configuration
Repository docker-ce-test-source is listed more than once in the configuration
69 files removed
[root@master rabbitmq]# sudo yum install -y https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm
Repository docker-ce-stable is listed more than once in the configuration
Repository docker-ce-stable-source is listed more than once in the configuration
Repository docker-ce-test is listed more than once in the configuration
Repository docker-ce-test-source is listed more than once in the configuration
TencentOS Server 3.1 - TencentOS 4.9 MB/s | 3.1 MB 00:00
TencentOS Server 3.1 - Updates 10 MB/s | 30 MB 00:02
TencentOS Server 3.1 - TencentOS-AppStream 17 MB/s | 20 MB 00:01
TencentOS Server 3.1 - Base 1.5 kB/s | 257 B 00:00
TencentOS Server 3.1 - AppStream 1.6 kB/s | 257 B 00:00
TencentOS Server 3.1 - Extras 138 kB/s | 25 kB 00:00
TencentOS Server 3.1 - PowerTools 7.7 kB/s | 1.2 kB 00:00
Docker CE Stable - x86_64 273 kB/s | 50 kB 00:00
Extra Packages for TencentOS Server 3.1 - x86_64 24 MB/s | 16 MB 00:00
Extra Packages for TencentOS Server 3.1 Modular - x86_64 4.8 MB/s | 733 kB 00:00
Kubernetes 1.4 MB/s | 182 kB 00:00
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[MIRROR] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[FAILED] rabbitmq-server-3.8.9-1.el7.noarch.rpm: Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
Curl error (28): Timeout was reached for https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server-3.8.9-1.el7.noarch.rpm [Connection timed out after 30000 milliseconds]
[root@master rabbitmq]# ls
rabbitmq-server-3.8.9-1.el7.noarch.rpm
[root@master rabbitmq]#
[root@master rabbitmq]# yum install -y rabbitmq-server-3.8.9-1.el7.noarch.rpm
Repository docker-ce-stable is listed more than once in the configuration
Repository docker-ce-stable-source is listed more than once in the configuration
Repository docker-ce-test is listed more than once in the configuration
Repository docker-ce-test-source is listed more than once in the configuration
Last metadata expiration check: 0:09:26 ago on Sat 20 Jan 2024 04:54:31 PM CST.
Dependencies resolved.
=========================================================================================================================================================
Package Architecture Version Repository Size
=========================================================================================================================================================
Installing:
rabbitmq-server noarch 3.8.9-1.el7 @commandline 15 M
Transaction Summary
=========================================================================================================================================================
Install 1 Package
Total size: 15 M
Installed size: 15 M
Downloading Packages:
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Running scriptlet: rabbitmq-server-3.8.9-1.el7.noarch 1/1
Installing : rabbitmq-server-3.8.9-1.el7.noarch 1/1
Running scriptlet: rabbitmq-server-3.8.9-1.el7.noarch 1/1
[/usr/lib/tmpfiles.d/rabbitmq-server.conf:1] Line references path below legacy directory /var/run/,updating /var/run/rabbitmq → /run/rabbitmq; please update the tmpfiles.d/ drop-in file accordingly.
Verifying : rabbitmq-server-3.8.9-1.el7.noarch 1/1
Installed:
rabbitmq-server-3.8.9-1.el7.noarch
Complete!
[root@master rabbitmq]# sudo yum install -y rabbitmq-server
Repository docker-ce-stable is listed more than once in the configuration
Repository docker-ce-stable-source is listed more than once in the configuration
Repository docker-ce-test is listed more than once in the configuration
Repository docker-ce-test-source is listed more than once in the configuration
Last metadata expiration check: 0:09:42 ago on Sat 20 Jan 2024 04:54:31 PM CST.
Package rabbitmq-server-3.8.9-1.el7.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!
[root@master rabbitmq]# sudo systemctl start rabbitmq-server
[root@master rabbitmq]# sudo systemctl enable rabbitmq-server
Created symlink /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service → /usr/lib/systemd/system/rabbitmq-server.service.
[root@master rabbitmq]# sudo rabbitmq-plugins enable rabbitmq_management
Enabling plugins on node rabbit@master:
rabbitmq_management
The following plugins have been configured:
rabbitmq_management
rabbitmq_management_agent
rabbitmq_web_dispatch
Applying plugin configuration to rabbit@master...
The following plugins have been enabled:
rabbitmq_management
rabbitmq_management_agent
rabbitmq_web_dispatch
started 3 plugins.
[root@master rabbitmq]# Welcome to TencentOS 3 64bit
Version 3.1 20230621
tlinux3.1-64bit-5.4.119-19.0009.28-20230621
Last failed login: Sat Jan 20 17:04:15 CST 2024 from 141.98.11.11 on ssh:notty
There were 66 failed login attempts since the last successful login.
Last login: Sat Jan 20 15:14:10 2024 from 114.84.30.36
[root@master ~]#
[root@master ~]#
[root@master ~]# sudo systemctl restart rabbitmq-server
[root@master ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 52:54:00:b2:d9:8f brd ff:ff:ff:ff:ff:ff
inet 10.206.0.4/20 brd 10.206.15.255 scope global noprefixroute eth0
valid_lft forever preferred_lft forever
inet6 fe80::5054:ff:feb2:d98f/64 scope link
valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 02:42:75:e7:8a:55 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
4: flannel.1: <BROADCAST,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default
link/ether fe:76:ea:e2:7d:ac brd ff:ff:ff:ff:ff:ff
inet 10.244.0.0/32 scope global flannel.1
valid_lft forever preferred_lft forever
inet6 fe80::fc76:eaff:fee2:7dac/64 scope link
valid_lft forever preferred_lft forever
5: cni0: <BROADCAST,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
link/ether 5a:f9:63:ee:40:66 brd ff:ff:ff:ff:ff:ff
inet 10.244.0.1/24 brd 10.244.0.255 scope global cni0
valid_lft forever preferred_lft forever
inet6 fe80::58f9:63ff:feee:4066/64 scope link
valid_lft forever preferred_lft forever
6: veth493a584d@if2: <BROADCAST,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP group default
link/ether 5e:b3:de:c6:1b:24 brd ff:ff:ff:ff:ff:ff link-netns cni-b91e1415-a9ef-8c20-aa2a-dde1763330ab
inet6 fe80::5cb3:deff:fec6:1b24/64 scope link
valid_lft forever preferred_lft forever
7: vethdf6c578d@if2: <BROADCAST,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP group default
link/ether a6:0d:69:a6:2b:23 brd ff:ff:ff:ff:ff:ff link-netns cni-7c1ab72c-05cf-fc96-2973-4eeea0dd0ccb
inet6 fe80::a40d:69ff:fea6:2b23/64 scope link
valid_lft forever preferred_lft forever
[root@master ~]# sudo hostnamectl set-hostname node1
[root@master ~]# sudo hostnamectl set-hostname master
[root@master ~]# scp /var/lib/rabbitmq/.erlang.cookie root@node2:/var/lib/rabbitmq/
The authenticity of host 'node2 (10.206.0.8)' can't be established.
ECDSA key fingerprint is SHA256:jE6hSkM1aT+1q0vmNHqa0JHMMSRj3V8NeJdnyPCI5pQ.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'node2,10.206.0.8' (ECDSA) to the list of known hosts.
root@node2's password:
.erlang.cookie 100% 20 61.5KB/s 00:00
[root@master ~]# scp /var/lib/rabbitmq/.erlang.cookie root@node3:/var/lib/rabbitmq/
ssh: Could not resolve hostname node3: Name or service not known
lost connection
[root@master ~]# scp /var/lib/rabbitmq/.erlang.cookie root@node1:/var/lib/rabbitmq/
The authenticity of host 'node1 (10.206.0.13)' can't be established.
ECDSA key fingerprint is SHA256:kCk++fRif8cOYBpWe98waBTWL/L2Wob0SWezO5e5TgE.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'node1' (ECDSA) to the list of known hosts.
root@node1's password:
.erlang.cookie 100% 20 53.6KB/s 00:00
[root@master ~]# sudo rabbitmqctl cluster_status
Cluster status of node rabbit@master ...
Basics
Cluster name: rabbit@node1
Disk Nodes
rabbit@master
rabbit@node1
rabbit@node2
Running Nodes
rabbit@master
rabbit@node1
rabbit@node2
Versions
rabbit@master: RabbitMQ 3.8.9 on Erlang 22.0.7
rabbit@node1: RabbitMQ 3.8.9 on Erlang 22.0.7
rabbit@node2: RabbitMQ 3.8.9 on Erlang 22.0.7
Maintenance status
Node: rabbit@master,status: not under maintenance
Node: rabbit@node1,status: not under maintenance
Node: rabbit@node2,status: not under maintenance
Alarms
(none)
Network Partitions
(none)
Listeners
Node: rabbit@master,interface: [::],port: 15672,protocol: http,purpose: HTTP API
Node: rabbit@master,port: 25672,protocol: clustering,purpose: inter-node and CLI tool communication
Node: rabbit@master,port: 5672,protocol: amqp,purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@node1,purpose: HTTP API
Node: rabbit@node1,purpose: inter-node and CLI tool communication
Node: rabbit@node1,purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@node2,purpose: HTTP API
Node: rabbit@node2,purpose: inter-node and CLI tool communication
Node: rabbit@node2,purpose: AMQP 0-9-1 and AMQP 1.0
Feature flags
Flag: drop_unroutable_metric,state: disabled
Flag: empty_basic_get_metric,state: disabled
Flag: implicit_default_bindings,state: enabled
Flag: maintenance_mode_status,state: enabled
Flag: quorum_queue,state: enabled
Flag: virtual_host_metadata,state: enabled
[root@master ~]#
原文地址：https://blog.csdn.net/sunyuhua_keyboard/article/details/135718792
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