commit from https://github.com/lisaac/luci-lib-docker Signed-off-by: Yu Hua <hue715@gmail.com> (cherry picked from commit fe795d5278e541c91d16374371c7f2a0c3eae998)
commit from https://github.com/lisaac/luci-lib-docker Signed-off-by: Yu Hua <hue715@gmail.com> (cherry picked from commit fe795d5278e541c91d16374371c7f2a0c3eae998)