Summary

• Version: docker.elastic.co/beats/filebeat:7.17.0
• Operating System: Ubuntu 20.04, Docker 20.10.14

After PR #29681, timezone database (/usr/share/zoneinfo) is missing from filebeat image.

Unlike the centos:7 image, the tzdata package is not installed by default in the ubuntu:20.04 image and the package is not installed in the [beats Dockerfile](https://github.com/elas

Feature idea, add beat info metrics from the stats endpoint /

{
  "beat": "pubsubbeat",
  "hostname": "pubsub-sidekiq-inf-gstg",
  "name": "pubsub-sidekiq-inf-gstg",
  "uuid": "FOO",
  "version": "7.5.1"
}

Would make a metrics like this:

pubsubbeat_build_info{version="7.5.1"} 1
pubsubbeat_beat_info{beat_name="pubsub-sidekiq-inf-gstg",uuid="FOO",} 1