We'll need to be able to issue PUT calls.
Conflicts: code formatting, missing nmcs-provider-aliyun and azure,
missing commit 494819bbbf ("cloud-setup: move common code for
get_config() to base class and improve cancellation")
(cherry picked from commit cd74d75002)
(cherry picked from commit eff4372045)
(cherry picked from commit aaf66e9174)
(cherry picked from commit 3d94f4fdf9)
(cherry picked from commit 181466c6da)
(cherry picked from commit 7243307bb8)
(cherry picked from commit 1aa88024cb)
(cherry picked from commit 59b5a8fdcb)
(cherry picked from commit 0962b6e23d)
b31caa6d6a