build(deps): bump github.com/Microsoft/hcsshim from 0.9.9 to 0.11.1
Bumps [github.com/Microsoft/hcsshim](https://github.com/Microsoft/hcsshim) from 0.9.9 to 0.11.1. - [Release notes](https://github.com/Microsoft/hcsshim/releases) - [Commits](https://github.com/Microsoft/hcsshim/compare/v0.9.9...v0.11.1) --- updated-dependencies: - dependency-name: github.com/Microsoft/hcsshim dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
This commit is contained in:
183
vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayerwriter.go
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vendored
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183
vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayerwriter.go
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@ -0,0 +1,183 @@
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//go:build windows
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package wclayer
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import (
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"context"
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"errors"
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"os"
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"path/filepath"
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"syscall"
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"github.com/Microsoft/go-winio"
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"github.com/Microsoft/hcsshim/internal/hcserror"
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"github.com/Microsoft/hcsshim/internal/oc"
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"github.com/Microsoft/hcsshim/internal/safefile"
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"github.com/Microsoft/hcsshim/internal/winapi"
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"go.opencensus.io/trace"
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)
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type baseLayerWriter struct {
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ctx context.Context
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s *trace.Span
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root *os.File
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f *os.File
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bw *winio.BackupFileWriter
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err error
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hasUtilityVM bool
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dirInfo []dirInfo
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}
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type dirInfo struct {
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path string
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fileInfo winio.FileBasicInfo
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}
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// reapplyDirectoryTimes reapplies directory modification, creation, etc. times
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// after processing of the directory tree has completed. The times are expected
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// to be ordered such that parent directories come before child directories.
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func reapplyDirectoryTimes(root *os.File, dis []dirInfo) error {
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for i := range dis {
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di := &dis[len(dis)-i-1] // reverse order: process child directories first
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f, err := safefile.OpenRelative(di.path, root, syscall.GENERIC_READ|syscall.GENERIC_WRITE, syscall.FILE_SHARE_READ, winapi.FILE_OPEN, winapi.FILE_DIRECTORY_FILE|syscall.FILE_FLAG_OPEN_REPARSE_POINT)
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if err != nil {
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return err
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}
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err = winio.SetFileBasicInfo(f, &di.fileInfo)
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f.Close()
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (w *baseLayerWriter) closeCurrentFile() error {
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if w.f != nil {
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err := w.bw.Close()
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err2 := w.f.Close()
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w.f = nil
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w.bw = nil
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if err != nil {
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return err
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}
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if err2 != nil {
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return err2
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}
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}
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return nil
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}
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func (w *baseLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) (err error) {
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defer func() {
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if err != nil {
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w.err = err
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}
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}()
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err = w.closeCurrentFile()
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if err != nil {
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return err
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}
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if filepath.ToSlash(name) == `UtilityVM/Files` {
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w.hasUtilityVM = true
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}
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var f *os.File
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defer func() {
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if f != nil {
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f.Close()
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}
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}()
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extraFlags := uint32(0)
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if fileInfo.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
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extraFlags |= winapi.FILE_DIRECTORY_FILE
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w.dirInfo = append(w.dirInfo, dirInfo{name, *fileInfo})
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}
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mode := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE | winio.WRITE_DAC | winio.WRITE_OWNER | winio.ACCESS_SYSTEM_SECURITY)
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f, err = safefile.OpenRelative(name, w.root, mode, syscall.FILE_SHARE_READ, winapi.FILE_CREATE, extraFlags)
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if err != nil {
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return hcserror.New(err, "Failed to safefile.OpenRelative", name)
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}
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err = winio.SetFileBasicInfo(f, fileInfo)
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if err != nil {
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return hcserror.New(err, "Failed to SetFileBasicInfo", name)
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}
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w.f = f
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w.bw = winio.NewBackupFileWriter(f, true)
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f = nil
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return nil
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}
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func (w *baseLayerWriter) AddLink(name string, target string) (err error) {
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defer func() {
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if err != nil {
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w.err = err
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}
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}()
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err = w.closeCurrentFile()
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if err != nil {
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return err
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}
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return safefile.LinkRelative(target, w.root, name, w.root)
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}
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func (w *baseLayerWriter) Remove(name string) error {
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return errors.New("base layer cannot have tombstones")
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}
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func (w *baseLayerWriter) Write(b []byte) (int, error) {
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n, err := w.bw.Write(b)
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if err != nil {
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w.err = err
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}
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return n, err
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}
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func (w *baseLayerWriter) Close() (err error) {
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defer w.s.End()
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defer func() { oc.SetSpanStatus(w.s, err) }()
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defer func() {
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w.root.Close()
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w.root = nil
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}()
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err = w.closeCurrentFile()
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if err != nil {
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return err
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}
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if w.err == nil {
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// Restore the file times of all the directories, since they may have
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// been modified by creating child directories.
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err = reapplyDirectoryTimes(w.root, w.dirInfo)
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if err != nil {
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return err
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}
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err = ProcessBaseLayer(w.ctx, w.root.Name())
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if err != nil {
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return err
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}
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if w.hasUtilityVM {
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err := safefile.EnsureNotReparsePointRelative("UtilityVM", w.root)
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if err != nil {
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return err
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}
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err = ProcessUtilityVMImage(w.ctx, filepath.Join(w.root.Name(), "UtilityVM"))
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if err != nil {
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return err
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}
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}
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}
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return w.err
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}
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