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moby--moby/volume/mounts/parser.go
Sebastiaan van Stijn 28b0f47599
volume/mounts: add constructors for each parser
This adds constructors for the Linux, Windows, and LCOW,
to allow using these parsers externally.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-07-02 14:11:50 +02:00

42 lines
1.2 KiB
Go

package mounts // import "github.com/docker/docker/volume/mounts"
import (
"errors"
"runtime"
"github.com/docker/docker/api/types/mount"
)
// ErrVolumeTargetIsRoot is returned when the target destination is root.
// It's used by both LCOW and Linux parsers.
var ErrVolumeTargetIsRoot = errors.New("invalid specification: destination can't be '/'")
// read-write modes
var rwModes = map[string]bool{
"rw": true,
"ro": true,
}
// Parser represents a platform specific parser for mount expressions
type Parser interface {
ParseMountRaw(raw, volumeDriver string) (*MountPoint, error)
ParseMountSpec(cfg mount.Mount) (*MountPoint, error)
ParseVolumesFrom(spec string) (string, string, error)
DefaultPropagationMode() mount.Propagation
ConvertTmpfsOptions(opt *mount.TmpfsOptions, readOnly bool) (string, error)
DefaultCopyMode() bool
ValidateVolumeName(name string) error
ReadWrite(mode string) bool
IsBackwardCompatible(m *MountPoint) bool
HasResource(m *MountPoint, absPath string) bool
ValidateTmpfsMountDestination(dest string) error
ValidateMountConfig(mt *mount.Mount) error
}
// NewParser creates a parser for the current host OS
func NewParser() Parser {
if runtime.GOOS == "windows" {
return NewWindowsParser()
}
return NewLinuxParser()
}