OpenStack uses a message queue to coordinate operations and status information among services. The message queue service typically runs on the controller node. OpenStack supports several message queue services including RabbitMQ, Qpid, and ZeroMQ. However, most distributions that package OpenStack support a particular message queue service. This guide implements the RabbitMQ message queue service because most distributions support it. If you prefer to implement a different message queue service, consult the documentation associated with it.
The message queue runs on the controller node.
# zypper install rabbitmq-server
Spusťte službu fronty zpráv a nastavte ji, aby byla spuštěna při zavedení systému:
# systemctl enable rabbitmq-server.service
# systemctl start rabbitmq-server.service
Předejte uživatele openstack
:
# rabbitmqctl add_user openstack RABBIT_PASS
Creating user "openstack" ...
Nahraďte RABBIT_PASS
vhodným heslem.
Uživateli openstack
povolte přístup pro nastavení, zápis a čtení:
# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
Setting permissions for user "openstack" in vhost "/" ...
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