August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Installing and configuring the messaging server
Advanced Message Queue Protocol (AMQP) is the messaging technology powering most OpenStack-based clouds. Components such as Nova, Cinder, and Neutron communicate internally and between one another using a message bus. The following are instructions for installing RabbitMQ, an AMQP broker.
On the controller node, install the messaging server:
# apt install rabbitmq-server
Add a user to RabbitMQ named openstack with a password of rabbit as shown in the following command:
# rabbitmqctl add_user openstack rabbit
Set RabbitMQ permissions to allow configuration, read, and write access for the openstack user:
# rabbitmqctl set_permissions openstack ".*" ".*" ".*"
At this point, the installation ...
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