Add UDS support #6
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ollien
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Dec 16, 2025
mrkirby153
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Dec 17, 2025
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For container-based services, the Datadog agent uses information attached to a Unix Domain Socket in order to infer the cgroup membership of the calling process, and therefore attribute pod-level tags to metrics issuing from that process. This is not possible for UDP-based metric upload.
This patchset adds UDS support, since we'll have container-based elixir services at scale soon.
The tests seem excessive, but I added them to make sure the specializations all route through the transmit code properly.