CentOS7摆设RabbitMQ服务

丶伤天害理

  纯手工打造每一篇开源资讯与技能干货，数十万步伐员和Linuxer已经关注。

导读	MQ全称为Message Queue, 消息队列（MQ）是一种应用步伐对应用步伐的通讯方法。应用步伐通过读写收支队列的消息（针对应用步伐的数据）来通讯，而无需专用毗连来链接它们。消息通报指的是步伐之间通过在消息中发送数据举行通讯，而不是通过直接调用相互来通讯，直接调用通常是用于诸如长途过程调用的技能。列队指的是应用步伐通过 队列来通讯。队列的利用撤除了吸收和发送应用步伐同时实行的要求。此中较为成熟的MQ产物有IBM WEBSPHERE MQ等等。

RabbitMQ 简介

• 安装RabbitMQ的消息署理软件,实现了AMQP(高级消息队列协议)
  
• RabbitMQ 教程： http://www.rabbitmq.com/getstarted.html
  
• RabbitMQ 安装：http://www.rabbitmq.com/download.html
  
• RabbitMQ 专栏：http://blog.csdn.net/column/details/rabbitmq.html
  

RabbitMQ 安装# Install from EPEL
[root@vdevops~]# yum --enablerepo=epel -y install rabbitmq-server
[root@vdevops~]# systemctl start rabbitmq-server
[root@vdevops /]# journalctl -xe
Nov 12 01:30:01 vdevops.org CROND[3856]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: DIAGNOSTICS
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: ===========
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: attempted to contact: [rabbit@vdevops]
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: rabbit@vdevops:
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: * unable to connect to epmd (port 4369) on vdevops: timeout (timed out)
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: current node details:
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - node name: rabbitmqctl3831@vdevops
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - home dir: /var/lib/rabbitmq
Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - cookie hash: s++dDMtIhAufFItw+ercBw==
Nov 12 01:30:04 vdevops.org polkitd[1007]: Unregistered Authentication Agent for unix-process:3798:36632 (system bus name :1.23, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected f
Nov 12 01:30:04 vdevops.org systemd[1]: rabbitmq-server.service: control process exited, code=exited status=2
Nov 12 01:30:04 vdevops.org systemd[1]: Failed to start RabbitMQ broker.
-- Subject: Unit rabbitmq-server.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit rabbitmq-server.service has failed.
--
-- The result is failed.
Nov 12 01:30:04 vdevops.org systemd[1]: Unit rabbitmq-server.service entered failed state.
Nov 12 01:30:04 vdevops.org systemd[1]: rabbitmq-server.service failed.
Nov 12 01:30:42 vdevops.org systemd[1]: Got automount request for /proc/sys/fs/binfmt_misc, triggered by 3860 (find)
Nov 12 01:30:42 vdevops.org systemd[1]: Mounting Arbitrary Executable File Formats File System...
-- Subject: Unit proc-sys-fs-binfmt_misc.mount has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit proc-sys-fs-binfmt_misc.mount has begun starting up.
Nov 12 01:30:42 vdevops.org systemd[1]: Mounted Arbitrary Executable File Formats File System.
-- Subject: Unit proc-sys-fs-binfmt_misc.mount has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit proc-sys-fs-binfmt_misc.mount has finished starting up.
--
-- The start-up result is done.
rabbitmq-server启动报错：Failed to start RabbitMQ broker
度娘剖析：主机hostname设置错误，本来hostname为vdevops.org,更改为vdevops，修改hosts文件中hostname设置
[root@vdevops /]# hostnamectl set-hostname vdevops  # hostname更改重启启动rabbitmq-server
[root@vdevops /]# systemctl status rabbitmq-server
● rabbitmq-server.service - RabbitMQ broker
  Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; disabled; vendor preset: disabled)
  Active: active (running) since Sat 2016-11-12 01:32:41 CST; 3min 58s ago
 Process: 3831 ExecStop=/usr/lib/rabbitmq/bin/rabbitmqctl stop (code=exited, status=2)
Main PID: 3891 (beam)
  CGroup: /system.slice/rabbitmq-server.service
          ├─3891 /usr/lib64/erlang/erts-5.10.4/bin/beam -W w -K true -A30 -P 1048576 -- -root /usr/lib64/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/lib/rabbitmq/lib/rabbitmq_server-3.3.5/sbin/../ebin -nos...
          ├─3908 /usr/lib64/erlang/erts-5.10.4/bin/epmd -daemon
          ├─3963 inet_gethost 4
          └─3964 inet_gethost 4

Nov 12 01:32:39 vdevops systemd[1]: Starting RabbitMQ broker...
Nov 12 01:32:39 vdevops systemd[1]: rabbitmq-server.service: Got notification message from PID 3908, but reception only permitted for main PID 3891
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: RabbitMQ 3.3.5. Copyright (C) 2007-2014 GoPivotal, Inc.
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##  ##      Licensed under the MPL.  See http://www.rabbitmq.com/
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##  ##
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##########  Logs: /var/log/rabbitmq/[email protected]
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ######  ##        /var/log/rabbitmq/[email protected]
Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##########
Nov 12 01:32:41 vdevops systemd[1]: Started RabbitMQ broker.
Nov 12 01:32:41 vdevops rabbitmq-server[3891]: Starting broker... completed with 0 plugins.
[root@vdevops~]# systemctl enable rabbitmq-server
Created symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service to /usr/lib/systemd/system/rabbitmq-server.service.
防火墙设置
[root@linuxprobe~]# firewall-cmd --add-port=5672/tcp --permanent
success
[root@linuxprobe~]# firewall-cmd --reload
success
要利用RabbitMQ，请先添加用户
[root@vdevops ~]# rabbitmqctl add_user linuxprobe password
Creating user "linuxprobe" ...
...done.
[root@vdevops ~]# rabbitmqctl list_users
Listing users ...
guest   [administrator]
linuxprobe  []
...done.
# granting admin role to a user is like follows
[root@vdevops ~]# rabbitmqctl change_password linuxprobe strongpassword
Changing password for user "linuxprobe" ...
...done.
# granting admin role to a user is like follows
[root@vdevops ~]# rabbitmqctl set_user_tags linuxprobe administrator
Setting tags for user "linuxprobe" to [administrator] ...
...done.
# deleting a user is like follows
[root@vdevops ~]# rabbitmqctl delete_user linuxprobe
Deleting user "linuxprobe " ...
...done.
要利用RabbitMQ，也要添加假造主机
[root@vdevops ~]# rabbitmqctl add_vhost /my_vhost
Creating vhost "/my_vhost" ...
...done.
[root@vdevops ~]# rabbitmqctl list_vhosts
Listing vhosts ...
/
/my_vhost
...done.
[root@vdevops ~]# rabbitmqctl delete_vhost /my_vhost
Deleting vhost "/my_vhost" ...
...done.
给假造主机的用户授予权限，请如下设置
# rabbitmqctl set_permissions [-p vhost] [user] [permission ? (modify) (write) (read)]
[root@vdevops ~]# rabbitmqctl set_permissions -p /my_vhost linuxprobe ".*" ".*" ".*"
Setting permissions for user "linuxprobe" in vhost "/my_vhost" ...
...done.
#
[root@vdevops ~]#  rabbitmqctl list_user_permissions linuxprobe
Listing permissions for user "linuxprobe" ...
/my_vhost   .*  .*  .*
...done.
# deleting permission of a specific user is like follows
[root@vdevops ~]# rabbitmqctl clear_permissions -p /my_vhost linuxprobe
Clearing permissions for user "linuxprobe" in vhost "/my_vhost" ...
...done.RabbitMQ：利用Web UI[root@vdevops ~]# rabbitmq-plugins enable rabbitmq_management
The following plugins have been enabled:
 mochiweb
 webmachine
 rabbitmq_web_dispatch
 amqp_client
 rabbitmq_management_agent
 rabbitmq_management
Plugin configuration has changed. Restart RabbitMQ for changes to take effect.
[root@vdevops ~]# systemctl restart rabbitmq-server
客户端访问
http://vdevops:15672/

rabbitmqadmin利用可以设置RabbitMQ利用rabbitmqadmin命
在Web UI上下载rabbitmqadmin。 登录到Web UI并移动到“http：//（主机名或IP地点）：15672 / cli”，然后表现以下屏幕，您可以在这里下载rabbitmqadmin，点击here右键生存rabbitmqadmin.txt，然后上传到服务器上面更改为rabbitmqadmin，并添加实行权限


将rabbitmqadmin上传到RabbitMQ服务器并设置符合的权限，此示例表现如下设置
[root@localhost ~]# ll /usr/local/bin/rabbitmqadmin
-rwxr-xr-x. 1 root root 36112 Nov 11 17:23 /usr/local/bin/rabbitmqadmin
[root@vdevops bin]# rabbitmqadmin list users+------------+------------------------------+---------------+
|    name    |        password_hash         |     tags      |
+------------+------------------------------+---------------+
| guest      | k2rhpzCrZBKkY5WRhUWrGm5DCkg= | administrator |
| linuxprobe | P+YxK1QXIYrJpek5i//rPjn5SME= | administrator |
+------------+------------------------------+---------------+
[root@vdevops bin]# cd
[root@vdevops ~]# rabbitmqadmin list users+------------+------------------------------+---------------+
|    name    |        password_hash         |     tags      |
+------------+------------------------------+---------------+
| guest      | k2rhpzCrZBKkY5WRhUWrGm5DCkg= | administrator |
| linuxprobe | P+YxK1QXIYrJpek5i//rPjn5SME= | administrator |
+------------+------------------------------+---------------+
[root@vdevops ~]# rabbitmqadmin list vhosts+-----------+---------+
|   name    | tracing |
+-----------+---------+
| /         | False   |
| /my_vhost | False   |
+-----------+---------+
rabbitmqadmin 更多利用教程参考：http://www.rabbitmq.com/management-cli.html
[root@vdevops ~]# rabbitmqadmin declare user name=centos password=password tags=administrator
user declared
[root@vdevops ~]# rabbitmqadmin declare permission vhost=/vhost01 user=centos configure=".*" write=".*" read=".*"
*** vhost_or_user_not_found
[root@vdevops ~]# rabbitmqadmin declare vhost name=/vhost01
vhost declared
[root@vdevops ~]# rabbitmqadmin declare permission vhost=/vhost01 user=centos configure=".*" write=".*" read=".*"
permission declared
[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password declare queue name=my_queue01
queue declared
[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password publish routing_key=my_queue01 payload='Hello RabbitMQ World!' exchange=amq.default
Message published
[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password get queue=my_queue01 requeue=false
+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+
| routing_key | exchange | message_count |        payload        | payload_bytes | payload_encoding | properties | redelivered |
+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+
| my_queue01  |          | 0             | Hello RabbitMQ World! | 21            | string           |            | False       |
+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+
[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password publish routing_key=my_queue01 payload='Hello LinuxProbe!' exchange=amq.default
Message published
[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password get queue=my_queue01 requeue=false
+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+
| routing_key | exchange | message_count |      payload      | payload_bytes | payload_encoding | properties | redelivered |
+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+
| my_queue01  |          | 0             | Hello LinuxProbe! | 17            | string           |            | False       |
+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+

本文原创地点： http://www.linuxprobe.com/ethernet-channel-bonding.html作者：王辉，考核员：岳永

让您学习到的每一节课都有所劳绩

《Linux就该这么学》是由资深运维专家刘遄及天下多名红帽架构师（RHCA）基于最新RHEL7体系共同编写的高质量Linux技能自学教程，极其适适用于Linux技能入门教程或授课辅助课本。
☀ 刘遄老师QQ：5604241  微信：gnu_chuan
☀ 学员助教QQ：5604674
☀ Linux技能交换A群(满)：560843
☀ Linux技能交换B群：340829
☀ Linux技能交换C群：463590
☀ Linux技能交换D群：915246（新群，火热加群中……）
☀ 官方站点：www.linuxprobe.com
☀ 电脑在线阅读结果更佳：
http://www.linuxprobe.com/chapter-00.html

按住图片3秒，即可主动关注。

点击左下角检察更多热门技能