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Kafka Metrics Receiver

Status
Stability beta: metrics
Distributions contrib, splunk, sumo
Issues Open issues Closed issues

Kafka metrics receiver collects kafka metrics (brokers, topics, partitions, consumer groups) from kafka server, converting into otlp.

Getting Started

Required settings (no defaults):

  • protocol_version: Kafka protocol version
  • scrapers: any combination of the following scrapers can be enabled.
    • topics
    • consumers
    • brokers

Metrics collected by the associated scraper are listed here

Optional Settings (with defaults):

  • brokers (default = localhost:9092): the list of brokers to read from.
  • topic_match (default = ^[^_].*$): regex pattern of topics to filter on metrics collection. The default filter excludes internal topics (starting with _).
  • group_match (default = .*): regex pattern of consumer groups to filter on for metrics.
  • client_id (default = otel-metrics-receiver): consumer client id
  • collection_interval (default = 1m): frequency of metric collection/scraping.
  • initial_delay (default = 1s): defines how long this receiver waits before starting.
  • auth (default none)
    • plain_text
      • username: The username to use.
      • password: The password to use
    • tls
      • ca_file: path to the CA cert. For a client this verifies the server certificate. Should only be used if insecure is set to true.
      • cert_file: path to the TLS cert to use for TLS required connections. Should only be used if insecure is set to true.
      • key_file: path to the TLS key to use for TLS required connections. Should only be used if insecure is set to true.
      • insecure (default = false): Disable verifying the server's certificate chain and host name (InsecureSkipVerify in the tls config)
      • server_name_override: ServerName indicates the name of the server requested by the client in order to support virtual hosting.
    • kerberos
      • service_name: Kerberos service name
      • realm: Kerberos realm
      • use_keytab: Use of keytab instead of password, if this is true, keytab file will be used instead of password
      • username: The Kerberos username used for authenticate with KDC
      • password: The Kerberos password used for authenticate with KDC
      • config_file: Path to Kerberos configuration. i.e /etc/krb5.conf
      • keytab_file: Path to keytab file. i.e /etc/security/kafka.keytab

Examples:

  1. Basic configuration with all scrapers:
receivers:
  kafkametrics:
    protocol_version: 2.0.0
    scrapers:
      - brokers
      - topics
      - consumers
  1. Configuration with more optional settings:

For this example:

  • collection interval is 5 secs.
receivers:
  kafkametrics:
    brokers: 10.10.10.10:9092
    protocol_version: 2.0.0
    scrapers:
      - brokers
      - topics
      - consumers
    auth:
      tls:
        ca_file: ca.pem
        cert_file: cert.pem
        key_file: key.pem
    collection_interval: 5s