mirror of
https://github.com/rocky-linux/peridot.git
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61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package log
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import (
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"fmt"
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"reflect"
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)
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// InterleavedKVToFields converts keyValues a la Span.LogKV() to a Field slice
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// a la Span.LogFields().
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func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) {
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if len(keyValues)%2 != 0 {
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return nil, fmt.Errorf("non-even keyValues len: %d", len(keyValues))
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}
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fields := make([]Field, len(keyValues)/2)
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for i := 0; i*2 < len(keyValues); i++ {
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key, ok := keyValues[i*2].(string)
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if !ok {
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return nil, fmt.Errorf(
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"non-string key (pair #%d): %T",
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i, keyValues[i*2])
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}
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switch typedVal := keyValues[i*2+1].(type) {
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case bool:
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fields[i] = Bool(key, typedVal)
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case string:
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fields[i] = String(key, typedVal)
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case int:
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fields[i] = Int(key, typedVal)
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case int8:
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fields[i] = Int32(key, int32(typedVal))
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case int16:
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fields[i] = Int32(key, int32(typedVal))
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case int32:
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fields[i] = Int32(key, typedVal)
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case int64:
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fields[i] = Int64(key, typedVal)
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case uint:
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fields[i] = Uint64(key, uint64(typedVal))
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case uint64:
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fields[i] = Uint64(key, typedVal)
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case uint8:
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fields[i] = Uint32(key, uint32(typedVal))
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case uint16:
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fields[i] = Uint32(key, uint32(typedVal))
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case uint32:
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fields[i] = Uint32(key, typedVal)
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case float32:
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fields[i] = Float32(key, typedVal)
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case float64:
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fields[i] = Float64(key, typedVal)
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default:
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if typedVal == nil || (reflect.ValueOf(typedVal).Kind() == reflect.Ptr && reflect.ValueOf(typedVal).IsNil()) {
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fields[i] = String(key, "nil")
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continue
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}
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// When in doubt, coerce to a string
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fields[i] = String(key, fmt.Sprint(typedVal))
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}
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}
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return fields, nil
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}
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