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Add --avalanche-flags to try to match the input metrics #150

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Add --avalanche-flags to try to match the input metrics #150

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11 changes: 10 additions & 1 deletion cmd/mtypes/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,9 +44,15 @@ var metricType_NATIVE_HISTOGRAM dto.MetricType = 999 //nolint:revive

func main() {
resource := flag.String("resource", "", "Path or URL to the resource (file, <url>/metrics) containing Prometheus metric format.")
avalancheFlagsForTotal := flag.Int("avalanche-flags-for-adjusted-series", 0, "If more than zero, it additionally prints flags for the avalanche 0.6.0 command line to generate metrics for the similar type distribution; to get the total number of adjusted series to the given value.")
avalancheFlags := flag.Bool("avalanche-flags", false, "If passed, prints flags for avalanche to generate metrics to approximate the metrics count and type distribution from the input.")
avalancheFlagsForTotal := flag.Int("avalanche-flags-for-adjusted-series", 0, "If more than zero, adjust the printed avalanche flags to scale the total number of adjusted series to the given value.")
flag.Parse()

if *avalancheFlagsForTotal > 0 {
// --avalanche-flags-for-adjusted-series implies --avalanche-flags
*avalancheFlags = true
}

var input io.Reader = os.Stdin
if *resource != "" {
switch {
Expand Down Expand Up @@ -76,6 +82,9 @@ func main() {
}
total := computeTotal(statistics)
writeStatistics(os.Stdout, total, statistics)
if *avalancheFlags && *avalancheFlagsForTotal <= 0 {
*avalancheFlagsForTotal = total.series
}
if *avalancheFlagsForTotal > 0 {
fmt.Fprintln(os.Stdout)
fmt.Fprintln(os.Stdout, "Avalanche flags for the similar distribution to get to the adjusted series goal of:", *avalancheFlagsForTotal)
Expand Down
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