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https://github.com/open-telemetry/opentelemetry-go.git
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cda2d6c7b5
Line numbers debug symbols aside this code will produce the exact same machine code. It removes a non needed use of unsafe and replace it with compile time type checked generics. Will help keep code cleaner in case any of this ever gets refactored in the future.
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
// Copyright The OpenTelemetry 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 global // import "go.opentelemetry.io/otel/internal/global"
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import (
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"log"
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"os"
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"sync/atomic"
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"github.com/go-logr/logr"
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"github.com/go-logr/stdr"
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)
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// globalLogger is the logging interface used within the otel api and sdk provide details of the internals.
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//
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// The default logger uses stdr which is backed by the standard `log.Logger`
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// interface. This logger will only show messages at the Error Level.
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var globalLogger atomic.Pointer[logr.Logger]
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func init() {
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SetLogger(stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile)))
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}
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// SetLogger overrides the globalLogger with l.
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//
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// To see Warn messages use a logger with `l.V(1).Enabled() == true`
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// To see Info messages use a logger with `l.V(4).Enabled() == true`
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// To see Debug messages use a logger with `l.V(8).Enabled() == true`.
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func SetLogger(l logr.Logger) {
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globalLogger.Store(&l)
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}
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func getLogger() logr.Logger {
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return *globalLogger.Load()
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}
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// Info prints messages about the general state of the API or SDK.
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// This should usually be less than 5 messages a minute.
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func Info(msg string, keysAndValues ...interface{}) {
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getLogger().V(4).Info(msg, keysAndValues...)
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}
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// Error prints messages about exceptional states of the API or SDK.
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func Error(err error, msg string, keysAndValues ...interface{}) {
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getLogger().Error(err, msg, keysAndValues...)
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}
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// Debug prints messages about all internal changes in the API or SDK.
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func Debug(msg string, keysAndValues ...interface{}) {
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getLogger().V(8).Info(msg, keysAndValues...)
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}
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// Warn prints messages about warnings in the API or SDK.
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// Not an error but is likely more important than an informational event.
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func Warn(msg string, keysAndValues ...interface{}) {
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getLogger().V(1).Info(msg, keysAndValues...)
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}
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