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promlinter

A linter for checking Prometheus metrics name via promlint.

example

Installation

Build from source

Requirements

  • Go >= 1.13
  • make
git clone https://github.com/yeya24/promlinter.git
make build

Then you can find the promlinter binary file in the ./bin directory.

Download from release

TBD

Usage

promlinter -h

usage: promlinter [<flags>] [<files>...]

Prometheus metrics linter for Go code.

This tool can cover most of the patterns of metrics naming issues, but it cannot detect metric values that can only be determined in the runtime.

By default it doesn't output parsing failures, if you want to see them, you can add --strict flag to enable it.

It is also supported to disable the lint functions using repeated flag --disable. Current supported functions are:

  [Help]: Help detects issues related to the help text for a metric.

  [MetricUnits]: MetricUnits detects issues with metric unit names.

  [Counter]: Counter detects issues specific to counters, as well as patterns that should only be used with counters.

  [HistogramSummaryReserved]: HistogramSummaryReserved detects when other types of metrics use names or labels reserved for use by histograms and/or summaries.

  [MetricTypeInName]: MetricTypeInName detects when metric types are included in the metric name.

  [ReservedChars]: ReservedChars detects colons in metric names.

  [CamelCase]: CamelCase detects metric names and label names written in camelCase.

  [UnitAbbreviations]: UnitAbbreviations detects abbreviated units in the metric name.

Flags:
  -h, --help                 Show context-sensitive help (also try --help-long and --help-man).
      --version              Show application version.
  -s, --strict               Strict mode. If true, linter will output more issues including parsing failures.
  -d, --disable=DISABLE ...  Disable lint functions (repeated).Supported options: Help, Counter, MetricUnits, HistogramSummaryReserved, MetricTypeInName,
                             ReservedChars, CamelCase, UnitAbbreviations

Args:
  [<files>]  Files to lint.

Run tests

make test