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3a571b72fd
Legacy plugins expect host-relative paths (such as for Volume.Mount).
However, a containerized plugin cannot respond with a host-relative
path. Therefore, this commit modifies new volume plugins' paths in Mount
and List to prepend the container's rootfs path.
This introduces a new PropagatedMount field in the Plugin Config.
When it is set for volume plugins, RootfsPropagation is set to rshared
and the path specified by PropagatedMount is bind-mounted with rshared
prior to launching the container. This is so that the daemon code can
access the paths returned by the plugin from the host mount namespace.
Signed-off-by: Tibor Vass <tibor@docker.com>
(cherry picked from commit
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| .. | ||
| drivers | ||
| local | ||
| store | ||
| testutils | ||
| validate.go | ||
| validate_test.go | ||
| validate_test_unix.go | ||
| validate_test_windows.go | ||
| volume.go | ||
| volume_copy.go | ||
| volume_copy_unix.go | ||
| volume_copy_windows.go | ||
| volume_linux.go | ||
| volume_linux_test.go | ||
| volume_propagation_linux.go | ||
| volume_propagation_linux_test.go | ||
| volume_propagation_unsupported.go | ||
| volume_test.go | ||
| volume_unix.go | ||
| volume_unsupported.go | ||
| volume_windows.go | ||