# cSpell:ignore observer
title: Host Observer Collector Extension
registryType: extension
language: collector
tags:
  - go
  - extension
  - collector
license: Apache 2.0
description:
  Observers are implemented as an extension to discover networked endpoints like
  a Kubernetes pod, Docker container, or local listening port. Currently
  available are observers for docker, ecs, ecs_task, host and K8s.
authors:
  - name: OpenTelemetry Authors
urls:
  repo: https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/extension/observer/
createdAt: 2021-02-24
