Add more label checksn during gathering
Including check for an invalid "quantile" label in summaries. Also, improve error messages. Signed-off-by: beorn7 <beorn@soundcloud.com>
This commit is contained in:
parent
e064aa97f1
commit
767a0218df
|
@ -740,7 +740,7 @@ temperature_kelvin 4.5
|
|||
// temperature_kelvin{location="outside"} 273.14
|
||||
// temperature_kelvin{location="somewhere else"} 4.5
|
||||
// ----------
|
||||
// collected metric temperature_kelvin label:<name:"location" value:"outside" > gauge:<value:265.3 > was collected before with the same name and label values
|
||||
// collected metric "temperature_kelvin" { label:<name:"location" value:"outside" > gauge:<value:265.3 > } was collected before with the same name and label values
|
||||
// # HELP humidity_percent Humidity in %.
|
||||
// # TYPE humidity_percent gauge
|
||||
// humidity_percent{location="inside"} 33.2
|
||||
|
|
|
@ -783,14 +783,28 @@ func checkMetricConsistency(
|
|||
metricFamily.GetType() == dto.MetricType_HISTOGRAM && dtoMetric.Histogram == nil ||
|
||||
metricFamily.GetType() == dto.MetricType_UNTYPED && dtoMetric.Untyped == nil {
|
||||
return fmt.Errorf(
|
||||
"collected metric %s %s is not a %s",
|
||||
"collected metric %q { %s} is not a %s",
|
||||
metricFamily.GetName(), dtoMetric, metricFamily.GetType(),
|
||||
)
|
||||
}
|
||||
|
||||
for _, labelPair := range dtoMetric.GetLabel() {
|
||||
if !checkLabelName(labelPair.GetName()) {
|
||||
return fmt.Errorf(
|
||||
"collected metric %q { %s} has a label with an invalid name: %s",
|
||||
metricFamily.GetName(), dtoMetric, labelPair.GetName(),
|
||||
)
|
||||
}
|
||||
if dtoMetric.Summary != nil && labelPair.GetName() == quantileLabel {
|
||||
return fmt.Errorf(
|
||||
"collected metric %q { %s} must not have an explicit %q label",
|
||||
metricFamily.GetName(), dtoMetric, quantileLabel,
|
||||
)
|
||||
}
|
||||
if !utf8.ValidString(labelPair.GetValue()) {
|
||||
return fmt.Errorf("collected metric's label %s is not utf8: %#v", labelPair.GetName(), labelPair.GetValue())
|
||||
return fmt.Errorf(
|
||||
"collected metric %q { %s} has a label named %q whose value is not utf8: %#v",
|
||||
metricFamily.GetName(), dtoMetric, labelPair.GetName(), labelPair.GetValue())
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -809,7 +823,7 @@ func checkMetricConsistency(
|
|||
}
|
||||
if _, exists := metricHashes[h]; exists {
|
||||
return fmt.Errorf(
|
||||
"collected metric %s %s was collected before with the same name and label values",
|
||||
"collected metric %q { %s} was collected before with the same name and label values",
|
||||
metricFamily.GetName(), dtoMetric,
|
||||
)
|
||||
}
|
||||
|
|
|
@ -249,7 +249,7 @@ metric: <
|
|||
|
||||
expectedMetricFamilyInvalidLabelValueAsText := []byte(`An error has occurred during metrics gathering:
|
||||
|
||||
collected metric's label constname is not utf8: "\xff"
|
||||
collected metric "name" { label:<name:"constname" value:"\377" > label:<name:"labelname" value:"different_val" > counter:<value:42 > } has a label named "constname" whose value is not utf8: "\xff"
|
||||
`)
|
||||
|
||||
type output struct {
|
||||
|
|
Loading…
Reference in New Issue