mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 01:24:04 -08:00
4d9b917d11
* Use request.Context() instead of a global map of contexts. * Add some basic opentracing instrumentation on the query path. * Remove tracehandler endpoint.
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package log
|
|
|
|
import "fmt"
|
|
|
|
// InterleavedKVToFields converts keyValues a la Span.LogKV() to a Field slice
|
|
// a la Span.LogFields().
|
|
func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) {
|
|
if len(keyValues)%2 != 0 {
|
|
return nil, fmt.Errorf("non-even keyValues len: %d", len(keyValues))
|
|
}
|
|
fields := make([]Field, len(keyValues)/2)
|
|
for i := 0; i*2 < len(keyValues); i++ {
|
|
key, ok := keyValues[i*2].(string)
|
|
if !ok {
|
|
return nil, fmt.Errorf(
|
|
"non-string key (pair #%d): %T",
|
|
i, keyValues[i*2])
|
|
}
|
|
switch typedVal := keyValues[i*2+1].(type) {
|
|
case bool:
|
|
fields[i] = Bool(key, typedVal)
|
|
case string:
|
|
fields[i] = String(key, typedVal)
|
|
case int:
|
|
fields[i] = Int(key, typedVal)
|
|
case int8:
|
|
fields[i] = Int32(key, int32(typedVal))
|
|
case int16:
|
|
fields[i] = Int32(key, int32(typedVal))
|
|
case int32:
|
|
fields[i] = Int32(key, typedVal)
|
|
case int64:
|
|
fields[i] = Int64(key, typedVal)
|
|
case uint:
|
|
fields[i] = Uint64(key, uint64(typedVal))
|
|
case uint64:
|
|
fields[i] = Uint64(key, typedVal)
|
|
case uint8:
|
|
fields[i] = Uint32(key, uint32(typedVal))
|
|
case uint16:
|
|
fields[i] = Uint32(key, uint32(typedVal))
|
|
case uint32:
|
|
fields[i] = Uint32(key, typedVal)
|
|
case float32:
|
|
fields[i] = Float32(key, typedVal)
|
|
case float64:
|
|
fields[i] = Float64(key, typedVal)
|
|
default:
|
|
// When in doubt, coerce to a string
|
|
fields[i] = String(key, fmt.Sprint(typedVal))
|
|
}
|
|
}
|
|
return fields, nil
|
|
}
|