67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package mounts // import "github.com/docker/docker/volume/mounts"
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import (
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"errors"
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"fmt"
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"path"
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"regexp"
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"strings"
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"github.com/docker/docker/api/types/mount"
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)
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// NewLCOWParser creates a parser with Linux Containers on Windows semantics.
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func NewLCOWParser() Parser {
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return &lcowParser{
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windowsParser{
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fi: defaultFileInfoProvider{},
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},
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}
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}
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// rxLCOWDestination is the regex expression for the mount destination for LCOW
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//
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// Destination (aka container path):
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// - Variation on hostdir but can be a drive followed by colon as well
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// - If a path, must be absolute. Can include spaces
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// - Drive cannot be c: (explicitly checked in code, not RegEx)
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const rxLCOWDestination = `(?P<destination>/(?:[^\\/:*?"<>\r\n]+[/]?)*)`
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var (
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lcowMountDestinationRegex = regexp.MustCompile(`^` + rxLCOWDestination + `$`)
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lcowSplitRawSpec = regexp.MustCompile(`^` + rxSource + rxLCOWDestination + rxMode + `$`)
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)
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var lcowValidators mountValidator = func(m *mount.Mount) error {
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if path.Clean(m.Target) == "/" {
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return ErrVolumeTargetIsRoot
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}
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if m.Type == mount.TypeNamedPipe {
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return errors.New("Linux containers on Windows do not support named pipe mounts")
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}
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if !lcowMountDestinationRegex.MatchString(strings.ToLower(m.Target)) {
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return fmt.Errorf("invalid mount path: '%s'", m.Target)
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}
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return nil
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}
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type lcowParser struct {
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windowsParser
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}
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func (p *lcowParser) ValidateMountConfig(mnt *mount.Mount) error {
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return p.validateMountConfigReg(mnt, lcowValidators)
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}
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func (p *lcowParser) ParseMountRaw(raw, volumeDriver string) (*MountPoint, error) {
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arr, err := p.splitRawSpec(raw, lcowSplitRawSpec)
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if err != nil {
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return nil, err
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}
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return p.parseMount(arr, raw, volumeDriver, false, lcowValidators)
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}
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func (p *lcowParser) ParseMountSpec(cfg mount.Mount) (*MountPoint, error) {
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return p.parseMountSpec(cfg, false, lcowValidators)
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}
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