package metadata import ( "context" "go-common/library/net/metadata" ) // FromContext get metadata from context. func FromContext(c context.Context) map[string]string { return map[string]string{ metadata.Color: metadata.String(c, metadata.Color), metadata.Caller: metadata.String(c, metadata.Caller), metadata.Mirror: metadata.String(c, metadata.Mirror), metadata.RemoteIP: metadata.String(c, metadata.RemoteIP), } } // NewContext new metadata context. func NewContext(c context.Context, meta map[string]string) context.Context { md := metadata.MD{ metadata.Color: meta[metadata.Color], metadata.Caller: meta[metadata.Caller], metadata.Mirror: meta[metadata.Mirror], metadata.RemoteIP: meta[metadata.RemoteIP], } return metadata.NewContext(c, md) }