feat(datadog_agent): support v3 series metrics intake - #26264
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Pull request overview
Adds Datadog Agent v3 series metrics intake support to the datadog_agent source so Vector can ingest metrics from Agent versions that default to the v3 endpoint, and updates tests to exercise the new path.
Changes:
- Add Warp routing + decoding for
/api/intake/metrics/v3/seriesand/api/intake/metrics/v3beta/series, translating v3 payloads into Vector metrics. - Add unit test coverage for decoding a v3 series payload.
- Restore the floating Datadog Agent v7 leg in the Datadog metrics E2E test matrix and add the v3 proto to codegen.
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| tests/e2e/datadog-metrics/config/test.yaml | Unpins the v7 agent matrix leg to exercise current Agent behavior (v3 default). |
| src/sources/datadog_agent/tests.rs | Adds a v3 endpoint constant, a raw-bytes sender helper, and a v3 decode test. |
| src/sources/datadog_agent/mod.rs | Wires in the generated v3 metrics protobuf module. |
| src/sources/datadog_agent/metrics.rs | Adds v3 series route and decoding/translation logic. |
| proto/vector/dd_metric_v3.proto | Introduces the v3 intake proto definition used for decoding. |
| changelog.d/25790_datadog_agent_v3_series.feature.md | Adds a changelog fragment documenting the user-facing feature. |
| build.rs | Adds the v3 proto to the build-time proto compilation inputs. |
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Hi @arfa79, thank you for this PR. Ignore my previous message. |
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Summary
Adds support for the Datadog Agent v3 series metrics intake format used by default by Datadog Agent 7.81.0 and newer.
The
datadog_agentsource now accepts the dictionary-encoded protobuf payload at/api/intake/metrics/v3/seriesand/api/intake/metrics/v3beta/series, translates it into Vector metrics, and preserves metric names, tags, resources, units, intervals, timestamps, values, and origin metadata.The Datadog metrics e2e matrix also restores the floating Agent
7test leg so current Agent versions exercise the v3 path.References
Closes: #25790
Vector configuration
No new configuration is required. Existing
datadog_agentsource configurations accept the new intake endpoint automatically.How did you test this PR?
cargo check --lib --no-default-features --features sources-datadog_agentcargo test --lib --no-default-features --features sources-datadog_agent datadog_agent::cargo clippy --lib --no-default-features --features sources-datadog_agent -- -D warningscargo fmt --all -- --checkIs this a breaking change?
Does this PR include user facing changes?
no-changeloglabel to this PR.