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Ignore symlink errors

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This commit is contained in:
Dane Everitt 2020-12-27 16:30:00 -08:00
parent 7549eb13a0
commit 68749616ad
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GPG Key ID: EEA66103B3D71F53
1 changed files with 10 additions and 7 deletions
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17
server/filesystem/archive.go
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@ -3,6 +3,7 @@ package filesystem
import (
"archive/tar"
"emperror.dev/errors"
"github.com/apex/log"
"github.com/juju/ratelimit"
"github.com/karrick/godirwalk"
"github.com/klauspost/pgzip"
@ -149,21 +150,23 @@ func (a *Archive) addToArchive(p string, rp string, w *tar.Writer) error {
if os.IsNotExist(err) {
return nil
}
return errors.WrapIff(err, "failed to Lstat '"+rp+"'")
return errors.WrapIff(err, "failed executing os.Lstat on '%s'", rp)
}
// Resolve the symlink target if the file is a symlink.
var target string
if s.Mode()&os.ModeSymlink != 0 {
// Read the target of the symlink.
// Read the target of the symlink. If there are any errors we will dump them out to
// the logs, but we're not going to stop the backup. There are far too many cases of
// symlinks causing all sorts of unnecessary pain in this process. Sucks to suck if
// it doesn't work.
target, err = os.Readlink(s.Name())
if err != nil {
// Skip symlinks if the target does not exist.
if os.IsNotExist(err) {
return nil
// Ignore the not exist errors specifically, since theres nothing important about that.
if !os.IsNotExist(err) {
log.WithField("path", rp).WithField("readlink_err", err.Error()).Warn("failed reading symlink for target path; skipping...")
}
return errors.WrapIff(err, "failed to read symlink target for '%s'", rp)
return nil
}
}