consul_exporter prometheus example

To use consul_exporter with Prometheus, you will need to follow the below steps:

1. Install consul_exporter:

You can download the latest version of consul_exporter from the official GitHub repository: https://github.com/prometheus/consul_exporter/releases

2. Start consul_exporter:

Run the following command to start consul_exporter:

./consul_exporter --consul.server=<consul-server-address> --consul.dc=<datacenter> --consul.token=<token> --web.listen-address=<exporter-port>

3. Configure Prometheus:

Add the following lines to the Prometheus configuration file (prometheus.yml):

scrape_configs:
  - job_name: 'consul'
    scrape_interval: 5s
    static_configs:
      - targets: ['<exporter-ip>:<exporter-port>']

4. Restart Prometheus:

Restart Prometheus to apply the new configuration.

5. Verify the data:

Visit the Prometheus web interface and verify that the consul_exporter metrics are being scraped and collected by Prometheus.

You can use the following PromQL queries to access the metrics:

• consul_up: returns 1 if the Consul server is up and running, 0 otherwise.
• consul_kv_keys: returns the number of keys in the Consul KV store.
• consul_kv_sessions: returns the number of active sessions in the Consul KV store.
• consul_services_count: returns the number of services registered with Consul.
• consul_nodes_count: returns the number of nodes registered with Consul.