rabbitmqctl have the subcommand list_exchanges
to list all the exchanges. How can I create an exchange using rabbitmqctl, as I didn't see the add_exchanges subcommands?
You can use rabbitmqadmin for that, search for Declare an exchange on that link. Additionally exachages can be created "manually" using the web browser with rabbitmq management plugin, or with rabbitmq rest api.
Messages are not published directly to a queue. Instead, the producer sends messages to an exchange. Exchanges are message routing agents, defined by the virtual host within RabbitMQ. An exchange is responsible for routing the messages to different queues with the help of header attributes, bindings, and routing keys.
Configuring the core modules of RabbitMQ — exchanges, queues and bindings — is extremely easy, but understanding how they fit together and when to use one setting over another can seem somewhat esoteric.
In rabbitmq, topic exchange will perform a wildcard match between the routing key and the routing pattern specified in the binding to publish a messages to queue. Following is the pictorial representation of message flow in rabbitmq topic exchange. In rabbitmq, headers exchanges will use the message header attributes for routing.
Exchanges cannot be created with rabbitmqctl. You can use rabbitmqadmin for that, search for Declare an exchange
on that link.
Additionally exachages can be created "manually" using the web browser with rabbitmq management plugin, or with rabbitmq rest api.
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