Kong - Prometheus

Monitor Prometheus metrics exposed by Kong and proxied upstream services

Extension

Product information
Release notes

Overview

This extension provides the ability to locally or remotely monitor your Kong API Services, Routes, Nodes and Storage. Every minute, this extension polls metrics from the official Kong Prometheus export.

Use cases

Monitor Kong service requests and latency
Detect anomalies and alert on them

This is intended for users, who:

Would like to monitor the health state and performance of their Kong Services.
Look for analysis support for Ops, IT and Database admins

Get started

Simply activate the extension in your environment using the in-product Hub, provide the necessary device configuration and you’re all set up.

Read more in the Dynatrace Prometheus Extension Documentation

Details

This extension uses the Kong Prometheus Export to scrape and ingest metrics. Note: In this context, Dynatrace is the Prometheus Server.

Enable the Prometheus plugin in your Kong environment
Point the Dynatrace monitoring configuration to the metrics endpoint: e.g., http://localhost:<port>/metrics

Dynatrace creates the following custom topology types from the Prometheus metric dimensions:

Kong Node
Shared Dict
Kong Service

A SAME_AS relationship is defined between the Kong Service and a monitored Dynatrace service, where the service names are the same.

Compatibility information

Kong Prometheus Plugin
Kong Gateway 2.8.x +
Konnect
Kong Gateway Enterprise

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Extension content

Content typeNumber of items included

screen layout

3

generic relationship

1

metric metadata

31

dashboards

1

generic type

3

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included

Metric name	Metric key	Description	Unit
Kong Memory Workers Lua Vms Bytes	kong_memory_workers_lua_vms_bytes	Allocated bytes in worker Lua VM	Byte

Metric name	Metric key	Description	Unit
Kong Data Plane Last Seen	kong_data_plane_last_seen	Last time data plane contacted control plane	Second
Kong Data Plane Version Compatible	kong_data_plane_version_compatible	Version compatible status of the data plane, 0 is incompatible	Count

Metric name	Metric key	Description	Unit
Kong Enterprise License Errors	kong_enterprise_license_errors.count	Errors when collecting license info	Count
Kong Enterprise License Errors	kong_enterprise_license_expiration	Errors when collecting license info	Count
Kong Enterprise License Features	kong_enterprise_license_features	License features	Count

Metric name	Metric key	Description	Unit
Kong HTTP Requests Total	kong_http_requests_total.count	HTTP status codes per consumer/service/route in Kong	Count

Metric name	Metric key	Description	Unit
Kong Memory Lua Shared Dict Bytes	kong_memory_lua_shared_dict_bytes	Allocated slabs in bytes in a shared_dict	Byte
Kong Memory Lua Shared Dict Total Bytes	kong_memory_lua_shared_dict_total_bytes	Total capacity in bytes of a shared_dict	Byte

Metric name	Metric key	Description	Unit
Kong Request Latency (Histogram)	kong_request_latency_ms	Total latency incurred during requests for each service/route in Kong	MilliSecond

Metric name	Metric key	Description	Unit
Kong Latency (Histogram)	kong_kong_latency_ms	Latency added by Kong and enabled plugins for each service/route in Kong	MilliSecond

Metric name	Metric key	Description	Unit
Kong Upstream Latency (Histogram)	kong_upstream_latency_ms	Latency added by upstream response for each service/route in Kong	MilliSecond

Metric name	Metric key	Description	Unit
Kong Node Info	kong_node_info	Kong Node metadata information	Count

Metric name	Metric key	Description	Unit
Kong Nginx Connections Total	kong_nginx_connections_total	Number of connections by subsystem	Count
Kong Nginx Metric Errors Total	kong_nginx_metric_errors_total.count	Number of nginx-lua-prometheus errors	Count
Kong Nginx Requests Total	kong_nginx_requests_total	Total number of requests	Count
Kong Nginx Timers	kong_nginx_timers	Number of nginx timers	Count
Kong Nginx HTTP Current Connections	kong_nginx_http_current_connections	Number of HTTP connections	Count

Metric name	Metric key	Description	Unit
Kong Total Bandwidth	kong_bandwidth_bytes	Total bandwidth (ingress/egress) throughput in bytes	Byte

Metric name	Metric key	Description	Unit
Kong Datastore Reachable	kong_datastore_reachable	Datastore reachable from Kong, 0 is unreachable	Count
Kong Database Entities Total	kong_db_entities_total	Total number of Kong db entities	Count
Kong Database Errors	kong_db_entity_count_errors.count	Errors during entity count collection	Count

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Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.

ReleaseDate

Full version history

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