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rabbitmq-cluster.md

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搭建/配置RabbitMQ集群

下载与解压

受网络限制，我们不打算采用使用ansible下载rabbitmq的二进制包。请自行下载并解压到/usr/local/rabbitmq

安装

ansible-playbook playbook.rabbitmq-server.yml -e @./myvars/rabbitmq/cluster-node-1.yml -e "HOSTS=rabbitmq_cluster_1"
ansible-playbook playbook.rabbitmq-server.yml -e @./myvars/rabbitmq/cluster-node-2.yml -e "HOSTS=rabbitmq_cluster_2"
ansible-playbook playbook.rabbitmq-server.yml -e @./myvars/rabbitmq/cluster-node-3.yml -e "HOSTS=rabbitmq_cluster_3"

安装成功以后会得到三台互相独立的rabbitmq实例。它们的名字分别是:

  • bunny1@vm01
  • bunny2@vm01
  • bunny2@vm01

构建集群

# bunny2 node linux
rabbitmqctl stop_app --node bunny2@vm01
rabbitmqctl join_cluster bunny1@vm01 --node bunny2@vm01
rabbitmqctl start_app --node bunny2@vm01

# bunny3 node linux
rabbitmqctl stop_app --node bunny3@vm01
rabbitmqctl join_cluster bunny1@vm01 --node bunny3@vm01
rabbitmqctl start_app --node bunny3@vm01

# check
rabbitmqctl cluster_status --node bunny1@vm01

讲两台机器加入bunny01即可

初始化用户名密码

rabbitmqctl add_user root root --node bunny1@vm01
rabbitmqctl set_user_tags root administrator --node bunny1@vm01
rabbitmqctl set_permissions -p "/" root ".*" ".*" ".*" --node bunny@vm01

设置镜像交换机与镜像队列策略

Virtual Host Name Regex Pattern Apply To Definition
/ mirror2 ^mirror2.*$ all ha-mode = exactly
ha-params = 2
ha-sync-mode = automatic
/ mirror3 ^mirror3.*$ all ha-mode = exactly
ha-params = 3
ha-sync-mode = automatic

如上面的例子，在名为"/"的vhost下，名称以"mirror2"和"mirror3"开始的队列或交换机会自动备份。

其他插件

shovel (官方)

# 需重启服务或集群
rabbitmq-plugins enable rabbitmq_shovel
rabbitmq-plugins enable rabbitmq_shovel_management

rabbitmq-delayed-message-exchange (社区)

# 需重启服务或集群
cp rabbitmq_delayed_message_exchange-*.ez $RABBITMQ_HOME/plugins
chown rabbitmq:rabbitmq $RABBITMQ_HOME/plugins/rabbitmq_delayed_message_exchange-*.ez
rabbitmq-plugins enable rabbitmq_delayed_message_exchange

其他

ansible-playbook playbook.rabbitmq-server-remove.yml -e @./myvars/rabbitmq/cluster-node-1.yml -e "HOSTS=rabbitmq_cluster_1"
ansible-playbook playbook.rabbitmq-server-remove.yml -e @./myvars/rabbitmq/cluster-node-2.yml -e "HOSTS=rabbitmq_cluster_2"
ansible-playbook playbook.rabbitmq-server-remove.yml -e @./myvars/rabbitmq/cluster-node-3.yml -e "HOSTS=rabbitmq_cluster_3"

注意： 将删除所有的数据和配置文件但不会卸载依赖的软件和系统配置。