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simplify metric label key validation

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This commit is contained in:
Brian Akins 2017-08-01 07:07:44 -04:00
parent c339cc66ac
commit 9c1cde63be
1 changed files with 2 additions and 3 deletions
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5
mapper.go
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@ -145,9 +145,8 @@ func (m *metricMapper) initFromYAMLString(fileContents string) error {
// Check that label is correct.
for k, v := range currentMapping.Labels {
label := fmt.Sprintf("%s=%q", k, v)
if len(labelLineRE.FindStringSubmatch(label)) != 3 {
return fmt.Errorf("invalid label: %s: %s", k, v)
if !metricNameRE.MatchString(k) {
return fmt.Errorf("invalid label key: %s", k)
}
if k == "name" && !metricNameRE.MatchString(v) {
return fmt.Errorf("metric name '%s' doesn't match regex '%s'", v, metricNameRE)