bvandeusenandClaude Opus 5.5
3cb2a95054
A bundled prometheus plugin, on by default like the other protocol plugins. Targets are rows edited on its page: address, bearer token (encrypted), interval, keep/leave-out name patterns and a series cap. Steward does the filtering; the endpoint serves everything (Archives' ruling). - A 5 s tick scrapes due targets at once, each within a 30 s deadline, and writes the outcome to its row and its series through record_metrics, so alert rules can watch any of them. - Gauges are stored as they are; counters (and a histogram's or summary's _sum/_count) as <name>_per_sec rates from the second scrape. Buckets and quantiles are skipped. A labelled series is stored under "<target>:k=v,…". Each target also records is_up, scrape_ms, series_kept and series_capped. - Pages: targets not answering first, with why; a target's series grouped by metric with their newest values; a chart per series; the editor with Test, which scrapes once and says what would be stored. - The counter-to-rate keeper moves to steward/core/counter_rates.py; SNMP's RateKeeper now scales its rate on top of it. - metric_value reads Prometheus's _seconds as a span and _per_sec as a rate. - The catalog guard treats an empty list as a dynamic source (snmp, prometheus), as the rule form does. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
18 lines
615 B
YAML
18 lines
615 B
YAML
# plugins/prometheus/plugin.yaml
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name: prometheus
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version: "1.0.0"
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description: "Scrapes Prometheus /metrics endpoints into Steward's metrics, so any service that exposes them can be charted and alerted on."
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author: "Steward"
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license: "MIT"
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min_app_version: "0.1.0"
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repository_url: "https://git.fabledsword.com/bvandeusen/FabledSteward"
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homepage: "https://git.fabledsword.com/bvandeusen/FabledSteward/src/branch/dev/plugins/prometheus"
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tags:
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- prometheus
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- metrics
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- monitoring
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# Targets are added, tested and edited on the Prometheus page
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# (/plugins/prometheus/); each carries its own interval.
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config: {}
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