Monitoring RabbitMQ with Prometheus and Grafana.
https://www.rabbitmq.com/docs/prometheus

3.8.0之前版本  prometheus_rabbitmq_exporter
https://github.com/deadtrickster/prometheus_rabbitmq_exporter

3.8.0 开始， 内置Prometheus 支持
开启 rabbitmq-plugins 
rabbitmq-plugins enable rabbitmq_prometheus

rabbitmqctl status

Interface: [::], port: 15692, protocol: http/prometheus, purpose: Prometheus exporter API over HTTP

rabbitmq UI界面看到 启动监听的端口，默认15692端口

http://127.0.0.1:15692/metrics

/etc/rabbitmq/rabbitmq.conf

prometheus.path = /metrics
prometheus.tcp.port = 15692

指标说明
https://github.com/rabbitmq/rabbitmq-prometheus/blob/master/metrics.md


rabbitmq_channel_messages_unacked	    Delivered but not yet acknowledged messages
rabbitmq_channel_messages_unconfirmed	Published but not yet confirmed messages
rabbitmq_channel_messages_uncommitted	Messages received in a transaction but not yet committed
rabbitmq_channel_acks_uncommitted	    Message acknowledgements in a transaction not yet committed


关闭插件
rabbitmq-plugins disable rabbitmq_prometheus




独立的exporter RabbitMQ_exporter
https://github.com/kbudde/rabbitmq_exporter




prometheus.yml

- job_name: "rabbitmq"
    file_sd_configs:
    - refresh_interval: 1m
      files:
      - /usr/local/prometheus/sd_config/rabbitmq.json
rabbitmq.json

[{
    "targets": [
       "127.0.0.1:15692"
    ],
    "labels": {
       "app":"rabbitmqapp"
       "job": "rabbitmq"
    }
}]

注意 json用数组 ！！！