48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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type k8sJSONLog struct {
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Log string `json:"log"`
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Level Level `json:"level"`
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Time time.Time `json:"time"`
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}
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// K8sJSONEmitter logs messages in json format that is compatible with
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// Kubernetes fluent configuration.
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type K8sJSONEmitter struct {
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Writer
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}
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// Emit implements Emitter.Emit.
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func (e K8sJSONEmitter) Emit(level Level, timestamp time.Time, format string, v ...interface{}) {
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j := k8sJSONLog{
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Log: fmt.Sprintf(format, v...),
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Level: level,
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Time: timestamp,
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}
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b, err := json.Marshal(j)
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if err != nil {
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panic(err)
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}
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e.Writer.Write(b)
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}
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