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feat(prometheus): trim labelname lookup key

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closes #6300
This commit is contained in:
bergquist 2016-10-19 08:57:58 +02:00
parent b2d5b920f5
commit 20bfe443fe
2 changed files with 5 additions and 3 deletions
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6
pkg/tsdb/prometheus/prometheus.go
View File

@ -84,8 +84,10 @@ func formatLegend(metric pmodel.Metric, query *PrometheusQuery) string {
reg, _ := regexp.Compile(`\{\{\s*(.+?)\s*\}\}`)
result := reg.ReplaceAllFunc([]byte(query.LegendFormat), func(in []byte) []byte {
ind := strings.Replace(strings.Replace(string(in), "{{", "", 1), "}}", "", 1)
if val, exists := metric[pmodel.LabelName(ind)]; exists {
labelName := strings.Replace(string(in), "{{", "", 1)
labelName = strings.Replace(labelName, "}}", "", 1)
labelName = strings.TrimSpace(labelName)
if val, exists := metric[pmodel.LabelName(labelName)]; exists {
return []byte(val)
}

2
pkg/tsdb/prometheus/prometheus_test.go
View File

@ -17,7 +17,7 @@ func TestPrometheus(t *testing.T) {
}
query := &PrometheusQuery{
LegendFormat: "legend {{app}} {{device}} {{broken}}",
LegendFormat: "legend {{app}} {{ device }} {{broken}}",
}
So(formatLegend(metric, query), ShouldEqual, "legend backend mobile {{broken}}")