Retry rename on lock induced failures (#16435)
* Retry rename on lock induced failures Due to external locking on Windows it is possible for an os.Rename to fail if the files or directories are being used elsewhere. This PR simply suggests retrying the rename again similar to how we handle the os.Remove problems. Fix #16427 Signed-off-by: Andrew Thornton <art27@cantab.net> * resolve CI fail Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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aed086f8b0
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8 changed files with 42 additions and 14 deletions
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@ -19,6 +19,7 @@ import (
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"code.gitea.io/gitea/modules/public"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/templates"
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"code.gitea.io/gitea/modules/util"
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"github.com/gobwas/glob"
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"github.com/urfave/cli"
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@ -271,7 +272,7 @@ func extractAsset(d string, a asset, overwrite, rename bool) error {
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} else if !fi.Mode().IsRegular() {
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return fmt.Errorf("%s already exists, but it's not a regular file", dest)
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} else if rename {
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if err := os.Rename(dest, dest+".bak"); err != nil {
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if err := util.Rename(dest, dest+".bak"); err != nil {
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return fmt.Errorf("Error creating backup for %s: %v", dest, err)
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}
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// Attempt to respect file permissions mask (even if user:group will be set anew)
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@ -1227,7 +1227,7 @@ func ChangeRepositoryName(doer *User, repo *Repository, newRepoName string) (err
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}
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newRepoPath := RepoPath(repo.Owner.Name, newRepoName)
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if err = os.Rename(repo.RepoPath(), newRepoPath); err != nil {
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if err = util.Rename(repo.RepoPath(), newRepoPath); err != nil {
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return fmt.Errorf("rename repository directory: %v", err)
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}
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@ -1238,7 +1238,7 @@ func ChangeRepositoryName(doer *User, repo *Repository, newRepoName string) (err
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return err
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}
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if isExist {
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if err = os.Rename(wikiPath, WikiPath(repo.Owner.Name, newRepoName)); err != nil {
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if err = util.Rename(wikiPath, WikiPath(repo.Owner.Name, newRepoName)); err != nil {
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return fmt.Errorf("rename repository wiki: %v", err)
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}
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}
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@ -210,13 +210,13 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) (err e
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}
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if repoRenamed {
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if err := os.Rename(RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name)); err != nil {
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if err := util.Rename(RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name)); err != nil {
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log.Critical("Unable to move repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name, RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name), err)
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}
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}
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if wikiRenamed {
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if err := os.Rename(WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name)); err != nil {
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if err := util.Rename(WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name)); err != nil {
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log.Critical("Unable to move wiki for repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name, WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name), err)
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}
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}
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@ -358,7 +358,7 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) (err e
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return fmt.Errorf("Failed to create dir %s: %v", dir, err)
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}
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if err := os.Rename(RepoPath(oldOwner.Name, repo.Name), RepoPath(newOwner.Name, repo.Name)); err != nil {
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if err := util.Rename(RepoPath(oldOwner.Name, repo.Name), RepoPath(newOwner.Name, repo.Name)); err != nil {
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return fmt.Errorf("rename repository directory: %v", err)
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}
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repoRenamed = true
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@ -370,7 +370,7 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) (err e
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log.Error("Unable to check if %s exists. Error: %v", wikiPath, err)
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return err
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} else if isExist {
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if err := os.Rename(wikiPath, WikiPath(newOwner.Name, repo.Name)); err != nil {
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if err := util.Rename(wikiPath, WikiPath(newOwner.Name, repo.Name)); err != nil {
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return fmt.Errorf("rename repository wiki: %v", err)
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}
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wikiRenamed = true
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@ -842,7 +842,7 @@ func rewriteAllPublicKeys(e Engine) error {
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}
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t.Close()
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return os.Rename(tmpPath, fPath)
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return util.Rename(tmpPath, fPath)
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}
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// RegeneratePublicKeys regenerates the authorized_keys file
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@ -1324,7 +1324,7 @@ func rewriteAllPrincipalKeys(e Engine) error {
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}
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t.Close()
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return os.Rename(tmpPath, fPath)
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return util.Rename(tmpPath, fPath)
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}
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// ListPrincipalKeys returns a list of principals belongs to given user.
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@ -1027,7 +1027,7 @@ func ChangeUserName(u *User, newUserName string) (err error) {
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}
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// Do not fail if directory does not exist
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if err = os.Rename(UserPath(oldUserName), UserPath(newUserName)); err != nil && !os.IsNotExist(err) {
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if err = util.Rename(UserPath(oldUserName), UserPath(newUserName)); err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("Rename user directory: %v", err)
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}
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@ -1036,7 +1036,7 @@ func ChangeUserName(u *User, newUserName string) (err error) {
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}
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if err = sess.Commit(); err != nil {
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if err2 := os.Rename(UserPath(newUserName), UserPath(oldUserName)); err2 != nil && !os.IsNotExist(err2) {
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if err2 := util.Rename(UserPath(newUserName), UserPath(oldUserName)); err2 != nil && !os.IsNotExist(err2) {
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log.Critical("Unable to rollback directory change during failed username change from: %s to: %s. DB Error: %v. Filesystem Error: %v", oldUserName, newUserName, err, err2)
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return fmt.Errorf("failed to rollback directory change during failed username change from: %s to: %s. DB Error: %w. Filesystem Error: %v", oldUserName, newUserName, err, err2)
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}
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@ -177,7 +177,7 @@ func (log *FileLogger) DoRotate() error {
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// close fd before rename
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// Rename the file to its newfound home
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if err = os.Rename(log.Filename, fname); err != nil {
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if err = util.Rename(log.Filename, fname); err != nil {
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return fmt.Errorf("Rotate: %v", err)
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}
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@ -96,7 +96,7 @@ func (l *LocalStorage) Save(path string, r io.Reader, size int64) (int64, error)
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return 0, err
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}
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if err := os.Rename(tmp.Name(), p); err != nil {
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if err := util.Rename(tmp.Name(), p); err != nil {
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return 0, err
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}
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@ -33,7 +33,7 @@ func Remove(name string) error {
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return err
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}
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// RemoveAll removes the named file or (empty) directory with at most 5 attempts.Remove
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// RemoveAll removes the named file or (empty) directory with at most 5 attempts.
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func RemoveAll(name string) error {
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var err error
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for i := 0; i < 5; i++ {
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@ -55,3 +55,30 @@ func RemoveAll(name string) error {
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}
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return err
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}
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// Rename renames (moves) oldpath to newpath with at most 5 attempts.
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func Rename(oldpath, newpath string) error {
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var err error
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for i := 0; i < 5; i++ {
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err = os.Rename(oldpath, newpath)
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if err == nil {
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break
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}
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unwrapped := err.(*os.PathError).Err
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if unwrapped == syscall.EBUSY || unwrapped == syscall.ENOTEMPTY || unwrapped == syscall.EPERM || unwrapped == syscall.EMFILE || unwrapped == syscall.ENFILE {
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// try again
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<-time.After(100 * time.Millisecond)
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continue
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}
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if i == 0 && os.IsNotExist(err) {
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return err
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}
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if unwrapped == syscall.ENOENT {
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// it's already gone
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return nil
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}
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}
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return err
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}
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