zrepl/zfs/zfscmd/zfscmd_context.go

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package zfscmd
import (
"context"
"github.com/zrepl/zrepl/logger"
)
type contextKey int
const (
contextKeyLogger contextKey = iota
contextKeyJobID
)
type Logger = logger.Logger
func WithJobID(ctx context.Context, jobID string) context.Context {
return context.WithValue(ctx, contextKeyJobID, jobID)
}
func getJobIDOrDefault(ctx context.Context, def string) string {
ret, ok := ctx.Value(contextKeyJobID).(string)
if !ok {
return def
}
return ret
}
func WithLogger(ctx context.Context, log Logger) context.Context {
return context.WithValue(ctx, contextKeyLogger, log)
}
func getLogger(ctx context.Context) Logger {
if l, ok := ctx.Value(contextKeyLogger).(Logger); ok {
return l
}
return logger.NewNullLogger()
}