Previously hook expected data with a wrong type.
Full netns path is not included with the data
passed with the hook.
Fixes#829
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
runc/libcontainer split the `State` struct into platform specific structs
in
fe1cce69b3.
As a result, `NamespacePaths` isn't anymore in a global struct and
libnetwork is not cross-compiling in Docker (specifically on Windows) because
`sandbox_externalkey.go` is using `NamespacePaths`.
This patch splits `sandbox_externalkey.go` into platform specific
files and moves common things to a generic `sandbox_externalkey.go`.
Signed-off-by: Antonio Murdaca <runcom@redhat.com>