88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
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// Copyright (c) 2016 Uber Technologies, Inc.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package spanlog
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import (
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"encoding/json"
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"fmt"
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"github.com/opentracing/opentracing-go/log"
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)
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type fieldsAsMap map[string]string
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// MaterializeWithJSON converts log Fields into JSON string
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// TODO refactor into pluggable materializer
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func MaterializeWithJSON(logFields []log.Field) ([]byte, error) {
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fields := fieldsAsMap(make(map[string]string, len(logFields)))
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for _, field := range logFields {
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field.Marshal(fields)
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}
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if event, ok := fields["event"]; ok && len(fields) == 1 {
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return []byte(event), nil
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}
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return json.Marshal(fields)
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}
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func (ml fieldsAsMap) EmitString(key, value string) {
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ml[key] = value
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}
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func (ml fieldsAsMap) EmitBool(key string, value bool) {
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ml[key] = fmt.Sprintf("%t", value)
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}
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func (ml fieldsAsMap) EmitInt(key string, value int) {
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ml[key] = fmt.Sprintf("%d", value)
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}
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func (ml fieldsAsMap) EmitInt32(key string, value int32) {
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ml[key] = fmt.Sprintf("%d", value)
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}
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func (ml fieldsAsMap) EmitInt64(key string, value int64) {
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ml[key] = fmt.Sprintf("%d", value)
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}
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func (ml fieldsAsMap) EmitUint32(key string, value uint32) {
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ml[key] = fmt.Sprintf("%d", value)
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}
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func (ml fieldsAsMap) EmitUint64(key string, value uint64) {
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ml[key] = fmt.Sprintf("%d", value)
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}
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func (ml fieldsAsMap) EmitFloat32(key string, value float32) {
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ml[key] = fmt.Sprintf("%f", value)
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}
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func (ml fieldsAsMap) EmitFloat64(key string, value float64) {
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ml[key] = fmt.Sprintf("%f", value)
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}
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func (ml fieldsAsMap) EmitObject(key string, value interface{}) {
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ml[key] = fmt.Sprintf("%+v", value)
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}
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func (ml fieldsAsMap) EmitLazyLogger(value log.LazyLogger) {
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value(ml)
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}
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