Torjus Håkestad
f637da487c
Prometheus exporter for NixOS-specific metrics including: - Generation collector: count, current, booted, age, config mismatch - Flake collector: input age, input info, revision behind Includes NixOS module, flake packaging, and documentation. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
32 lines
815 B
Go
32 lines
815 B
Go
package config
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import (
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"flag"
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"fmt"
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"time"
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)
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type Config struct {
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ListenAddr string
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FlakeCollector bool
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FlakeURL string
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FlakeCheckInterval time.Duration
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}
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func Parse() (*Config, error) {
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cfg := &Config{}
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flag.StringVar(&cfg.ListenAddr, "listen", ":9971", "Address to listen on")
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flag.BoolVar(&cfg.FlakeCollector, "collector.flake", false, "Enable flake collector")
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flag.StringVar(&cfg.FlakeURL, "flake.url", "", "Flake URL for revision comparison (required if flake collector enabled)")
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flag.DurationVar(&cfg.FlakeCheckInterval, "flake.check-interval", time.Hour, "Interval between remote flake checks")
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flag.Parse()
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if cfg.FlakeCollector && cfg.FlakeURL == "" {
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return nil, fmt.Errorf("--flake.url is required when --collector.flake is enabled")
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}
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return cfg, nil
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}
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