"github.com/opencontainers/ocitools/cmd/runtimetest/mount"

return nil

}

func mountMatch(specMount rspec.Mount, sysMount rspec.Mount) error {

if specMount.Destination != sysMount.Destination {

return fmt.Errorf("mount destination expected: %v, actual: %v", specMount.Destination, sysMount.Destination)

}

if specMount.Type != sysMount.Type {

return fmt.Errorf("mount %v type expected: %v, actual: %v", specMount.Destination, specMount.Type, sysMount.Type)

}

if specMount.Source != sysMount.Source {

return fmt.Errorf("mount %v source expected: %v, actual: %v", specMount.Destination, specMount.Source, sysMount.Source)

}

optMap := make(map[string]bool)

for _, opt := range sysMount.Options {

optMap[opt] = true

}

for _, option := range specMount.Options {

if _, ok := optMap[option]; !ok {

return fmt.Errorf("mount %v option %v does not exist", specMount.Destination, option)

}

}

return nil

}

func validateMountsExistence(spec *rspec.Spec) error {

fmt.Println("validating mounts existence")

infos, err := mount.GetMounts()

if err != nil {

return err

}

mountsMap := make(map[string][]rspec.Mount)

for _, info := range infos {

m := rspec.Mount{

Destination: info.Mountpoint,

Type: info.Fstype,

Source: info.Source,

Options: append(strings.Split(info.Opts, ","), strings.Split(info.VfsOpts, ",")...),

}

mountsMap[info.Mountpoint] = append(mountsMap[info.Mountpoint], m)

}

for _, specMount := range spec.Mounts {

found := false

for _, sysMount := range mountsMap[specMount.Destination] {

if err := mountMatch(specMount, sysMount); err == nil {

found = true

break

}

}

if !found {

return fmt.Errorf("Expected mount %v does not exist", specMount)

}

}

validateMountsExistence,

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commit 089166ebe29c1801483965b0e30b41fda53b1ec2

Keep the implementation of `mountinfo*`, remove `flags*` `mounter*` `shared*` files.

package mount

type Info struct {

// ID is a unique identifier of the mount (may be reused after umount).

ID int

// Parent indicates the ID of the mount parent (or of self for the top of the

// mount tree).

Parent int

// Major indicates one half of the device ID which identifies the device class.

Major int

// Minor indicates one half of the device ID which identifies a specific

// instance of device.

Minor int

// Root of the mount within the filesystem.

Root string

// Mountpoint indicates the mount point relative to the process's root.

Mountpoint string

// Opts represents mount-specific options.

Opts string

// Optional represents optional fields.

Optional string

// Fstype indicates the type of filesystem, such as EXT3.

Fstype string

// Source indicates filesystem specific information or "none".

Source string

// VfsOpts represents per super block options.

VfsOpts string

}

func GetMounts() ([]*Info, error) {

return parseMountTable()

}

package mount

import "C"

import (

"fmt"

"reflect"

"unsafe"

)

func parseMountTable() ([]*Info, error) {

var rawEntries *C.struct_statfs

count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))

if count == 0 {

return nil, fmt.Errorf("Failed to call getmntinfo")

}

var entries []C.struct_statfs

header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))

header.Cap = count

header.Len = count

header.Data = uintptr(unsafe.Pointer(rawEntries))

var out []*Info

for _, entry := range entries {

var mountinfo Info

mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])

mountinfo.Source = C.GoString(&entry.f_mntfromname[0])

mountinfo.Fstype = C.GoString(&entry.f_fstypename[0])

out = append(out, &mountinfo)

}

return out, nil

}