Files
podman/vendor/github.com/opencontainers/runc/libcontainer/configs/mount_linux.go
Matt Heon 91b8f208a2 Bump to runc main
By using main instead of the v1.1 branch, we drop an unnecessary
dependency on cilium/ebpf, saving ~1mb of binary size.

Signed-off-by: Matt Heon <mheon@redhat.com>
2024-02-02 10:06:20 -05:00

67 lines
2.0 KiB
Go

package configs
import "golang.org/x/sys/unix"
type MountIDMapping struct {
// Recursive indicates if the mapping needs to be recursive.
Recursive bool `json:"recursive"`
// UserNSPath is a path to a user namespace that indicates the necessary
// id-mappings for MOUNT_ATTR_IDMAP. If set to non-"", UIDMappings and
// GIDMappings must be set to nil.
UserNSPath string `json:"userns_path,omitempty"`
// UIDMappings is the uid mapping set for this mount, to be used with
// MOUNT_ATTR_IDMAP.
UIDMappings []IDMap `json:"uid_mappings,omitempty"`
// GIDMappings is the gid mapping set for this mount, to be used with
// MOUNT_ATTR_IDMAP.
GIDMappings []IDMap `json:"gid_mappings,omitempty"`
}
type Mount struct {
// Source path for the mount.
Source string `json:"source"`
// Destination path for the mount inside the container.
Destination string `json:"destination"`
// Device the mount is for.
Device string `json:"device"`
// Mount flags.
Flags int `json:"flags"`
// Mount flags that were explicitly cleared in the configuration (meaning
// the user explicitly requested that these flags *not* be set).
ClearedFlags int `json:"cleared_flags"`
// Propagation Flags
PropagationFlags []int `json:"propagation_flags"`
// Mount data applied to the mount.
Data string `json:"data"`
// Relabel source if set, "z" indicates shared, "Z" indicates unshared.
Relabel string `json:"relabel"`
// RecAttr represents mount properties to be applied recursively (AT_RECURSIVE), see mount_setattr(2).
RecAttr *unix.MountAttr `json:"rec_attr"`
// Extensions are additional flags that are specific to runc.
Extensions int `json:"extensions"`
// Mapping is the MOUNT_ATTR_IDMAP configuration for the mount. If non-nil,
// the mount is configured to use MOUNT_ATTR_IDMAP-style id mappings.
IDMapping *MountIDMapping `json:"id_mapping,omitempty"`
}
func (m *Mount) IsBind() bool {
return m.Flags&unix.MS_BIND != 0
}
func (m *Mount) IsIDMapped() bool {
return m.IDMapping != nil
}