Init commit

Signed-off-by: Nikolai Rodionov <allanger@badhouseplants.net>

internal/tools/logger/logger.go

@@ -0,0 +1,45 @@
+package logger
+
+import (
+	"context"
+
+	"github.com/go-logr/logr"
+	"github.com/go-logr/zapr"
+	"github.com/mattn/go-colorable"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+func SetupLogger(levelTxt string) *zap.Logger {
+	level, err := zapcore.ParseLevel(levelTxt)
+	if err != nil {
+		level = zapcore.ErrorLevel
+	}
+	aa := zap.NewDevelopmentEncoderConfig()
+	aa.EncodeLevel = zapcore.CapitalColorLevelEncoder
+	aa.TimeKey = ""
+	bb := zap.New(zapcore.NewCore(
+		zapcore.NewConsoleEncoder(aa),
+		zapcore.AddSync(colorable.NewColorableStdout()),
+		level,
+	))
+	return bb
+}
+
+func NewLogger(ctx context.Context, levelTxt string) context.Context {
+	log := zapr.NewLogger(SetupLogger(levelTxt))
+	ctx = logr.NewContext(ctx, log)
+	return ctx
+}
+
+func FromContext(ctx context.Context) logr.Logger {
+	log, err := logr.FromContext(ctx)
+	if err == nil {
+		return log
+	}
+	return zapr.NewLogger(zap.NewExample())
+}
+
+func ToContext(ctx context.Context, logger logr.Logger) context.Context {
+	return logr.NewContext(ctx, logger)
+}