1. Replace raw `docker inspect -f xxx` with `inspectField`, to make code
cleaner and more consistent
2. assert the error in function `inspectField*` so we don't need to
assert the return value of it every time, this will make inspect easier.
Signed-off-by: Zhang Wei <zhangwei555@huawei.com>
Upstream-commit: 62a856e9129c9d5cf7db9ea6322c9073d68e3ea4
Component: engine
Keep old hashes around for old api version calls.
Signed-off-by: David Calavera <david.calavera@gmail.com>
Upstream-commit: 1c3cb2d31ea722e2c174bf78eda62fec6949fb8b
Component: engine