util: throw if file has !digit characters #614
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Throw if file has non-numeric data, in addition to hinting the path that caused the error. Fixes: prometheus#304, prometheus/node_exporter#1710 Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>
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See ci errors |
Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>
SuperQ
requested changes
Apr 15, 2024
| if string(c) == "\n" { | ||
| continue | ||
| } | ||
| if !unicode.IsDigit(rune(c)) { |
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Hmm, this is going to match a whole bunch of unicode glyph runes that are not [0-9]. I think we should be more strict and check like this:
Suggested change
| if !unicode.IsDigit(rune(c)) { | |
| if !strings.ContainsAny(c, "0123456789") { |
SuperQ
requested changes
Apr 15, 2024
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Actually, looking at the upstream issue, we already see that this function is returning strconv.ErrSyntax from strconv.ParseUint(). I think the issue is the node_exporter is just not ignoring this specific error.
I don't think we need to make this change as the upstream strconv.ParseUint() is already doing a rune check on the string.
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Throw if file has non-numeric data, in addition to hinting the path that caused the error.
Fixes: #304, prometheus/node_exporter#1710