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Implement option to output information as OpenMetrics time series #308

Merged
merged 1 commit into from
Aug 9, 2024
Merged

Implement option to output information as OpenMetrics time series #308

merged 1 commit into from
Aug 9, 2024

Commits on Jul 31, 2024

  1. Implement option to output information as OpenMetrics time series 

    This new `-o` option will make needrestart output information in a
format that can be scraped by Prometheus or any other daemon that
ingests OpenMetrics format.

The -l, -w and -k options can be used in combination with -o in order to
choose what information gets exported.

Note that the combination of options -ol needs root access in order to
correctly determine which services use outdated libraries.

The kernel and microcode statuses are output as StateSet type metrics
since there are more than one states for each one. This way users can
track the state with more granularity and for example decide to ignore
"unknown" microcode state or "version_upgrade" (e.g. non ABI-compatible
upgrade) kernel state.
For kernel and microcode, there's one Info type metric each that informs
of the currently running vs. the expected newer version.

(Closes: liske#291)
    Gabriel Filion committed Jul 31, 2024
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