Visualize HAProxy Metrics with InfluxDB

blog20210524-01.cfg

global 
   stats socket /run/haproxy/api.sock mode 660 level admin

blog20210524-02.sh

$ sudo mkdir /run/haproxy

blog20210524-03.sh

$ export INFLUXDB_TOKEN="<Insert InfluxDB token here>"

blog20210524-04.cfg

[[outputs.influxdb_v2]]
  ## The URLs of the InfluxDB cluster nodes.
  ## urls exp: http://127.0.0.1:9999
  urls = ["http://127.0.0.1:8086"]

  ## Token for authentication.
  # token = "$INFLUX_TOKEN" # Uncomment to use environment variable
  token = "Your InfluxDB token" # Plain text token
  ## Organization is the name of the organization you wish to write to; must exist.
  organization = "haproxy"

  ## Destination bucket to write into.
  bucket = "haproxy"  

[[inputs.haproxy]]
  servers = ["socket:/run/haproxy/api.sock"]

blog20210524-05.sh

$ sudo systemctl stop telegraf
$ telegraf --config /etc/telegraf/telegraf.conf
2021-04-23T00:01:17Z I! Starting Telegraf 1.18.1
2021-04-23T00:01:17Z I! Loaded inputs: haproxy
2021-04-23T00:01:17Z I! Loaded aggregators:
2021-04-23T00:01:17Z I! Loaded processors:
2021-04-23T00:01:17Z I! Loaded outputs: influxdb_v2
2021-04-23T00:01:17Z I! Tags enabled: host=spion
2021-04-23T00:01:17Z I! [agent] Config: Interval:10s, Quiet:false, Hostname:"my-haproxy", Flush Interval:10s

blog20210524-06.sh

$ sudo systemctl start telegraf