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add metric for counting lines #90

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Merged
whotwagner merged 1 commit into from
Mar 16, 2026
Merged

add metric for counting lines #90

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10 changes: 10 additions & 0 deletions src/service/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,10 @@ def get_counter(name: str, documentation: str, labelnames: list[str]) -> Counter
"Total bytes processed by the engine", [
"component_type", "component_id"])

data_processed_lines_total = get_counter("data_processed_lines_total",
"Total lines processed by the engine", [
"component_type", "component_id"])


class Service(Engine, ABC):
"""Abstract base for every DetectMate service/component.
Expand Down Expand Up @@ -183,6 +187,12 @@ def process(self, raw_message: bytes) -> bytes | None | Any:
component_id=self.component_id
).inc(len(raw_message))

lines = raw_message.count(b'\n') or 1 # at least 1 if message exists
data_processed_lines_total.labels(
component_type=self.component_type,
component_id=self.component_id
).inc(lines)

# Track processing time
with processing_duration_seconds.labels(
component_type=self.component_type,
Expand Down
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