Understanding Virtual Hosts

const amqp = require('amqplib');

amqp.connect('amqp://user:pass@localhost:5672/') // connects to default vhost /
  .then(conn => {
    return conn.createChannel();
  })
  .then(ch => {
    // Channel operations here
  });

rabbitmqadmin declare vhost name=my_vhost

rabbitmqctl list_vhosts

rabbitmqctl list_vhosts -q

rabbitmqctl delete_vhost my-vhost

rabbitmqctl add_vhost /myapp
rabbitmqctl set_permissions -p /myapp guest ".*" ".*" ".*"

# rabbitmq.conf
vhost_limits.max_connections = 100
vhost_limits.max_channels = 1000
vhost_limits.max_queues = 500
vhost_limits.max_exchanges = 500

rabbitmqctl set_vhost_limits my_vhost max_connections 100
rabbitmqctl set_vhost_limits my_vhost max_channels 1000

rabbitmqctl set_permissions -p /my_vhost my_user ".*" ".*" ".*"

rabbitmqctl set_vhost_parameter / my-vhost description "Production vhost for user service"
rabbitmqctl set_vhost_parameter / my-vhost tags "["production", "user-service"]"

const axios = require('axios');

const config = {
  method: 'put',
  url: 'http://localhost:15672/api/vhosts/%2F',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Basic ' + Buffer.from('guest:guest').toString('base64')
  },
  data: {
    description: 'Production vhost for user service',
    tags: ['production', 'user-service']
  }
};

axios(config)
  .then(response => console.log('Vhost metadata updated'))
  .catch(error => console.error('Error:', error));

rabbitmqctl report

rabbitmqctl list_queues -p /myvhost

sudo rabbitmq-plugins enable rabbitmq_tracing

rabbitmqctl export_vhost <vhost_name> > vhost_backup.dat