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console.go
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console.go
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/*
* @license
* Copyright 2023 Dynatrace LLC
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package zap
import (
"fmt"
"github.com/dynatrace/dynatrace-configuration-as-code/v2/internal/log/field"
"go.uber.org/zap/buffer"
"go.uber.org/zap/zapcore"
"sync"
"time"
)
var (
_pool = buffer.NewPool()
Get = _pool.Get
)
func newFixedFieldsConsoleEncoder() zapcore.Encoder {
return fixedFieldsConsoleEncoder{
concurrentMapObjectEncoder: &concurrentMapObjectEncoder{
mu: sync.RWMutex{},
moe: zapcore.NewMapObjectEncoder(),
},
}
}
// fixedFieldsConsoleEncoder is a custom console encoder that prints only prints the context
// fields with key "coordinate" and "componentId" (currently hard coded). Further,
// it takes care that the context is printed before that actual message and after the log level
type fixedFieldsConsoleEncoder struct {
*concurrentMapObjectEncoder
}
func (e fixedFieldsConsoleEncoder) Clone() zapcore.Encoder {
cloneEncoder := fixedFieldsConsoleEncoder{
concurrentMapObjectEncoder: &concurrentMapObjectEncoder{
mu: sync.RWMutex{},
moe: zapcore.NewMapObjectEncoder(),
},
}
return cloneEncoder
}
func (e fixedFieldsConsoleEncoder) EncodeEntry(entry zapcore.Entry, _ []zapcore.Field) (*buffer.Buffer, error) {
line := Get()
line.AppendString(fmt.Sprintf("%s", entry.Time.Format(time.RFC3339)))
line.AppendString("\t")
line.AppendString(fmt.Sprintf("%s", entry.Level))
line.AppendString("\t")
additionalTab := false
if f, ok := e.Fields()["coordinate"]; ok {
additionalTab = true
if logCoordinate, ook := f.(field.LogCoordinate); ook {
line.AppendString(fmt.Sprintf("[%s=%v]", "coord", logCoordinate.Reference))
}
}
if f, ok := e.Fields()["gid"]; ok {
additionalTab = true
line.AppendString(fmt.Sprintf("[%s=%v]", "gid", f))
}
if additionalTab {
line.AppendString("\t")
}
line.AppendString(entry.Message)
line.AppendString("\n")
return line, nil
}