Include the geoip processor in clickstack-otel-collector #3494

What are you trying to do?

Populate the "Top Countries" tile and the Country filter on the built-in Browser RUM dashboard.

The clickhouse/clickstack-otel-collector image does not include the geoip processor, so it cannot be enabled through CUSTOM_OTELCOL_CONFIG_FILE. On 2.42.0, a config referencing it fails at startup:

'processors' unknown type: "geoip" for id: "geoip"

What would you like to see?

Add processor/geoipprocessor from opentelemetry-collector-contrib to packages/otel-collector/builder-config.yaml, so it can be enabled with a mounted MaxMind database:

processors:
  geoip:
    providers:
      maxmind:
        database_path: /etc/otel/GeoLite2-City.mmdb
    context: resource
    attributes: [client.address]

Alternatives you've considered

• A second, upstream contrib collector in front of the ClickStack one to do the lookup.
• Forking the builder config and rebuilding the image.

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