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标题: RabbitMQ平常集群搭建指南 [打印本页]
作者: 乌市泽哥    时间: 2024-7-27 15:30
标题: RabbitMQ平常集群搭建指南
RabbitMQ平常集群搭建指南

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  目标架构

本次搭建的目标是构建一个由三个节点构成的RabbitMQ集群，节点信息如下：

准备工作

在开始之前，确保全部节点上都已安装RabbitMQ Server。假如尚未安装，可以通过以下下令进行安装：
  1. yum install -y epel-release
  2. yum install -y rabbitmq-server
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同时，设置主机名和修改/etc/hosts文件以正确剖析各节点的名称。
同步.erlang.cookie

为了答应节点间通信，需要确保全部节点上的.erlang.cookie文件内容相同。使用以下下令从rabbit02节点复制cookie到其他节点
  1. [root@rabbit02 ~]# scp /var/lib/rabbitmq/.erlang.cookie rabbit03:/var/lib/rabbitmq/
  2. The authenticity of host 'rabbit03 (192.168.10.133)' can't be established.
  3. ECDSA key fingerprint is SHA256:ImtbIE2DzY9M7yqwTDfMn3EzHOjk0CGowUigMe00exk.
  4. ECDSA key fingerprint is MD5:23:d8:46:37:71:8b:e3:56:d1:48:d4:f5:a9:64:80:f0.
  5. Are you sure you want to continue connecting (yes/no)? yes
  6. Warning: Permanently added 'rabbit03,192.168.10.133' (ECDSA) to the list of known hosts.
  7. root@rabbit03's password:
  8. .erlang.cookie                                                                                                                                             100%   20    24.5KB/s   00:00   
  9. [root@rabbit02 ~]# scp /var/lib/rabbitmq/.erlang.cookie rabbit04:/var/lib/rabbitmq/
  10. The authenticity of host 'rabbit04 (192.168.10.134)' can't be established.
  11. ECDSA key fingerprint is SHA256:ImtbIE2DzY9M7yqwTDfMn3EzHOjk0CGowUigMe00exk.
  12. ECDSA key fingerprint is MD5:23:d8:46:37:71:8b:e3:56:d1:48:d4:f5:a9:64:80:f0.
  13. Are you sure you want to continue connecting (yes/no)? yes
  14. Warning: Permanently added 'rabbit04,192.168.10.134' (ECDSA) to the list of known hosts.
  15. root@rabbit04's password:
  16. .erlang.cookie                                                                                                                                             100%   20    21.1KB/s   00:00   
  17. [root@rabbit02 ~]#
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集群设置

在rabbit03和rabbit04上执行以下步调：
  1. [root@rabbit03 ~]# rabbitmqctl stop_app
  2. Stopping node rabbit@rabbit03 ...
  3. ...done.
  4. [root@rabbit03 ~]# rabbitmqctl reset
  5. Resetting node rabbit@rabbit03 ...
  6. ...done.
  7. [root@rabbit03 ~]# systemctl stop firewalld
  8. [root@rabbit03 ~]# rabbitmqctl join_cluster --ram rabbit@rabbit02
  9. Clustering node rabbit@rabbit03 with rabbit@rabbit02 ...
  10. ...done.
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  1. [root@rabbit04 ~]# rabbitmqctl stop_app
  2. Stopping node rabbit@rabbit04 ...
  3. ...done.
  4. [root@rabbit04 ~]# systemctl stop firewalld
  5. [root@rabbit04 ~]# rabbitmqctl stop_app
  6. Stopping node rabbit@rabbit04 ...
  7. ...done.
  8. [root@rabbit04 ~]# rabbitmqctl reset
  9. Resetting node rabbit@rabbit04 ...
  10. ...done.
  11. [root@rabbit04 ~]# rabbitmqctl join_cluster --ram rabbit@rabbit02
  12. Clustering node rabbit@rabbit04 with rabbit@rabbit02 ...
  13. ...done.
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最终确认

在rabbit02上执行以下步调来确认集群状态：
这表明集群已经成功建立，并且rabbit02作为磁盘节点，rabbit03和rabbit04作为RAM节点加入了集群。
  1. [root@rabbit02 ~]# rabbitmqctl cluster_status
  2. Cluster status of node rabbit@rabbit02 ...
  3. [{nodes,[{disc,[rabbit@rabbit02]},{ram,[rabbit@rabbit04,rabbit@rabbit03]}]},
  4. {running_nodes,[rabbit@rabbit02]},
  5. {cluster_name,<<"rabbit@rabbit02">>},
  6. {partitions,[]}]
  7. ...done.
  8. [root@rabbit02 ~]#
  10. [root@rabbit03 ~]# rabbitmqctl cluster_status
  11. Cluster status of node rabbit@rabbit03 ...
  12. [{nodes,[{disc,[rabbit@rabbit02]},{ram,[rabbit@rabbit03]}]}]
  13. ...done.
  14. [root@rabbit03 ~]#
  16. [root@rabbit03 ~]# rabbitmqctl cluster_status
  17. Cluster status of node rabbit@rabbit03 ...
  18. [{nodes,[{disc,[rabbit@rabbit02]},{ram,[rabbit@rabbit03]}]}]
  19. ...done.
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END

一些有用没用的历史下令！！！可以不消看了
  1. yum install -y epel* ;yum install -y rabbitmq-server
  2. vi /etc/hosts
  3. hostnamectl set-hostname rabbit02
  4. vi /etc/hosts
  5. find / -name *.cookie
  6. man rabbitmq-server
  7. rabbitmq-server -detached
  8. scp /var/lib/rabbitmq/.erlang.cookie rabbit03:/var/lib/rabbitmq/
  9. scp /var/lib/rabbitmq/.erlang.cookie rabbit04:/var/lib/rabbitmq/
  10. systemctl status rabbitmq-server
  11. systemctl restart rabbitmq-server.service
  12. systemctl status rabbitmq-server.service
  13. chmod 400 /var/lib/rabbitmq/.erlang.cookie
  14. systemctl restart rabbitmq-server.service
  15. systemctl status rabbitmq-server.service
  16. find / -name *.cookie
  17. systemctl stop firewalld
  18. rabbitmqctl cluster_status
  19. history
  21. yum install -y epel* ;yum install -y rabbitmq-server
  22. hostnamectl set-hostname rabbit03
  23. vi /etc/hosts
  24. rabbitmq-server -detached
  25. chmod 400 /var/lib/rabbitmq/.erlang.cookie
  26. systemctl restart rabbitmq-server.service
  27. systemctl status rabbitmq-server.service
  28. systemctl restart rabbitmq-server.service
  29. systemctl status rabbitmq-server.service
  30. chmod 400 /var/lib/rabbitmq/.erlang.cookie
  31. systemctl restart rabbitmq-server.service
  32. rabbitmq-server -detached
  33. systemctl start rabbitmq-server.service
  34. systemctl status rabbitmq-server.service
  35. ps -ef | grep rabbit
  36. kill -9 1969
  37. ps -ef | grep rabbit
  38. kill -9 1999
  39. ps -ef | grep rabbit
  40. systemctl start rabbitmq-server.service
  41. systemctl status rabbitmq-server.service
  42. rabbitmqctl stop_app
  43. rabbitmqctl reset
  44. rabbitmqctl join_cluster --ram rabbit@rabbit02
  45. systemctl stop firewalld
  46. rabbitmqctl join_cluster --ram rabbit@rabbit02
  47. rabbitmqctl cluster_status
  48. history
  50. yum install -y epel* ;yum install -y rabbitmq-server
  51. hostnamectl set-hostname rabbit04
  52. vi /etc/hosts
  53. rabbitmq-server -detached
  54. chmod 400 /var/lib/rabbitmq/.erlang.cookie
  55. systemctl restart rabbitmq-server
  56. systemctl status rabbitmq-server
  57. rabbitmq-server -detached
  58. systemctl status rabbitmq-server
  59. systemctl restart rabbitmq-server
  60. find / -name *.cookie
  61. ps -ef | grep rabbit
  62. kill -9  1960 1990  
  63. ps -ef | grep rabbit
  64. systemctl restart rabbitmq-server
  65. systemctl status rabbitmq-server
  66. rabbitmqctl stop_app
  67. systemctl stop firewalld
  68. rabbitmqctl stop_app
  69. rabbitmqctl reset
  70. rabbitmqctl join_cluster --ram rabbit@rabbit02
  71. rabbitmqctl cluster_status
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