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validate the label name

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This commit is contained in:
Matti Savolainen 2016-10-11 21:48:03 +03:00
parent 56e8e7cac3
commit 8f77d271b1
1 changed files with 6 additions and 6 deletions
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12
relabel/relabel.go
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@ -61,17 +61,17 @@ func relabel(labels model.LabelSet, cfg *config.RelabelConfig) model.LabelSet {
if indexes == nil { if indexes == nil {
break break
} }
target := model.LabelName(cfg.Regex.ExpandString([]byte{}, string(cfg.TargetLabel), val, indexes))
if !target.IsValid() {
delete(labels, cfg.TargetLabel)
break
}
res := cfg.Regex.ExpandString([]byte{}, cfg.Replacement, val, indexes) res := cfg.Regex.ExpandString([]byte{}, cfg.Replacement, val, indexes)
if len(res) == 0 { if len(res) == 0 {
delete(labels, cfg.TargetLabel) delete(labels, cfg.TargetLabel)
break break
} }
target := cfg.Regex.ExpandString([]byte{}, string(cfg.TargetLabel), val, indexes) labels[target] = model.LabelValue(res)
if len(target) == 0 {
delete(labels, cfg.TargetLabel)
break
}
labels[model.LabelName(target)] = model.LabelValue(res)
case config.RelabelHashMod: case config.RelabelHashMod:
mod := sum64(md5.Sum([]byte(val))) % cfg.Modulus mod := sum64(md5.Sum([]byte(val))) % cfg.Modulus
labels[cfg.TargetLabel] = model.LabelValue(fmt.Sprintf("%d", mod)) labels[cfg.TargetLabel] = model.LabelValue(fmt.Sprintf("%d", mod))