— 命名空間的作用

— 多個user共同使用一個virtualhost

  — 預設名稱空間是“/”

  — 不同的名稱空間之間的資源是不能訪問的

yum install centos-release-openstack-liberty

The message queue service typically runs on the controller node. 

首先安裝erlang

wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-7.noarch.rpm

將epel.repo檔案中的baseurl取消註釋，mirror那行加上註釋。

wget https://github.com/rabbitmq/rabbitmq-server/releases/download/rabbitmq_v3_6_2/rabbitmq-server-3.6.2-1.noarch.rpm --no-check-certificate

rpm --import https://www.rabbitmq.com/rabbitmq-release-signing-key.asc

yum install rabbitmq-server  socat  -y

rpm -ivh rabbitmq-server-3.6.2-1.noarch.rpm

chkconfig rabbitmq-server on

service rabbitmq-server start 

[[email protected] ~]# rabbitmqctl add_user openstack RABBIT_PASS
Creating user "openstack" ...

[[email protected] ~]# rabbitmqctl list_users 
Listing users ...
openstack[]
guest[administrator]

[[email protected] ~]# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
Setting permissions for user "openstack" in vhost "/" ...
[[email protected] ~]# rabbitmqctl list_users 
Listing users ...
openstack[]
guest[administrator]

yum install rabbitmq-server  socat 

# systemctl enable rabbitmq-server.service
# systemctl start rabbitmq-server.service

rabbitmqctl add_user openstack RABBIT_PASS
Creating user "openstack" ...
...done.

rabbitmqctl list_users 檢視所有使用者

Replace RABBIT_PASS with a suitable password.

Permit configuration, write, and read access for the openstack user:

# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
Setting permissions for user "openstack" in vhost "/" ...
...done.

參考 

https://www.rabbitmq.com/install-rpm.html