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Add prometheus exporter on :9100

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Pim van Pelt
2026-03-24 03:49:22 +01:00
parent c7f8455188
commit 91eb56a64c
8 changed files with 486 additions and 20 deletions
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README.md
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@@ -13,9 +13,11 @@ SPECIFICATION
This project contains four programs:
1) A **collector** that tails any number of nginx log files and maintains an in-memory structure of
`{website, client_prefix, http_request_uri, http_response}` counts across all files. It answers
TopN and Trend queries via gRPC and pushes minute snapshots to the aggregator via server-streaming.
Runs on each nginx machine in the cluster. No UI — gRPC interface only.
`{website, client_prefix, http_request_uri, http_response, is_tor, asn}` counts across all files.
It answers TopN and Trend queries via gRPC and pushes minute snapshots to the aggregator via
server-streaming. It also exposes a Prometheus `/metrics` endpoint (default `:9100`) with per-host
request counters and response-body/request-time histograms.
Runs on each nginx machine in the cluster. No UI — gRPC and HTTP interfaces only.
2) An **aggregator** that subscribes to the snapshot stream from all collectors, merges their data
into a unified in-memory cache, and exposes the same gRPC interface. Answers questions like "what