Use telegraf http plugin to monitor dovecot by requesting doveadm api

readme.md

It's all about how to send POST request and process the result in telegraf

doveadm.conf

[[inputs.http]]
  urls = ["http://dovecot:8085/doveadm/v1"]
  name_override = "doveadm"
  method = "POST"
  username = "doveadm"
  password = "********"
  json_query = "0.1.0"
  body = '''
    [
      ["statsDump",{"type":"global"},"tag1"]
    ]
  '''
  data_format = "json"
  json_string_fields = ["*"]

[[processors.converter]]
  namepass = ["doveadm"]
  [processors.converter.fields]
   float = ["*"]