Prometheus Configuration

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Configuration

This plugin is compatible with DB-less mode.

The database will always be reported as reachable in Prometheus with DB-less. Additionally, the DB entity count metric (kong_db_entities_total) is not emitted in DB-less mode.

Compatible protocols

The Prometheus plugin is compatible with the following protocols:

grpc, grpcs, http, https, tcp, tls, tls_passthrough, udp, ws, wss

Parameters

Here's a list of all the parameters which can be used in this plugin's configuration:

• name or plugin

  string required

  The name of the plugin, in this case prometheus.

  • If using the Kong Admin API, Konnect API, declarative configuration, or decK files, the field is name.
  • If using the KongPlugin object in Kubernetes, the field is plugin.

• service.name or service.id

  string

  The name or ID of the service the plugin targets. Set one of these parameters if adding the plugin to a service through the top-level /plugins endpoint. Not required if using /services/{serviceName|Id}/plugins.

• route.name or route.id

  string

  The name or ID of the route the plugin targets. Set one of these parameters if adding the plugin to a route through the top-level /plugins endpoint. Not required if using /routes/{routeName|Id}/plugins.

• consumer.name or consumer.id

  string

  The name or ID of the consumer the plugin targets. Set one of these parameters if adding the plugin to a consumer through the top-level /plugins endpoint. Not required if using /consumers/{consumerName|Id}/plugins.

• enabled

  boolean default: true

  Whether this plugin will be applied.

• config

  record required
  • per_consumer

    boolean default: false

    A boolean value that determines if per-consumer metrics should be collected. If enabled, the kong_http_requests_total and kong_bandwidth_bytes metrics fill in the consumer label when available.

  • status_code_metrics

    boolean default: false

    A boolean value that determines if status code metrics should be collected. If enabled, http_requests_total, stream_sessions_total metrics will be exported.

  • latency_metrics

    boolean default: false

    A boolean value that determines if status code metrics should be collected. If enabled, kong_latency_ms, upstream_latency_ms and request_latency_ms metrics will be exported.

  • bandwidth_metrics

    boolean default: false

    A boolean value that determines if status code metrics should be collected. If enabled, bandwidth_bytes and stream_sessions_total metrics will be exported.

  • upstream_health_metrics

    boolean default: false

    A boolean value that determines if status code metrics should be collected. If enabled, upstream_target_health metric will be exported.