README
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SDC logger
Usage Example
This package exposes functions to help with logging using the logr.Logger interface, mainly regarding context-based passing of the logger instance.
Any logging implementation which implements logr.Logger can be used, and there are many implementations which provide the logr.Logger interface (zapr, logr, ...).
It also contains a few preset log levels corresponding to levels provided by slog.
package main
import (
"context"
"log/slog"
"github.com/go-logr/logr"
logf "github.com/sdcio/logger"
)
func main() {
log := logr.FromSlogHandler(slog.NewJSONHandler(os.Stdout, nil))
logf.SetDefaultLogger(log)
ctx := logf.IntoContext(context.Background(), log)
log.Info("first log message", "key", "value")
RunContext(ctx)
log = log.WithValues("additionalkey", "key2")
ctx = logf.IntoContext(ctx, log)
RunContext(ctx)
}
func RunContext(ctx context.Context) {
log := logf.FromContext(ctx)
log.Info("log from context logger")
}
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License and Code of Conduct
Code is under the Apache License 2.0, documentation is CC BY 4.0.
The SDC project is following the CNCF Code of Conduct. More information and links about the CNCF Code of Conduct are here.
Documentation
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Index ¶
Constants ¶
const ( VDebug = -int(slog.LevelDebug) VTrace = 8 )
slog uses negative levels to increase verbosity, but logr uses positive There is a mapping such that calling log.V(x) will translate this to call slog's handler with Level(-x). We therefore need to use increasingly positive values to imply increased log level
Variables ¶
var DefaultLogger logr.Logger
Functions ¶
func SetDefaultLogger ¶
Types ¶
This section is empty.
Source Files