Update vendor containers/(common, buildah, image, storage)

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2023-07-14 07:19:56 -04:00
parent bb72016f58
commit 13a9500166
118 changed files with 5804 additions and 1146 deletions

View File

@@ -6,7 +6,6 @@ import (
"os/exec"
"path/filepath"
"strings"
"syscall"
"errors"
@@ -146,74 +145,6 @@ func mountWithMountProgram(mountProgram, overlayOptions, mergeDir string) error
return nil
}
// MountWithOptions creates a subdir of the contentDir based on the source directory
// from the source system. It then mounts up the source directory on to the
// generated mount point and returns the mount point to the caller.
// But allows api to set custom workdir, upperdir and other overlay options
// Following API is being used by podman at the moment
func MountWithOptions(contentDir, source, dest string, opts *Options) (mount specs.Mount, Err error) {
mergeDir := filepath.Join(contentDir, "merge")
// Create overlay mount options for rw/ro.
var overlayOptions string
if opts.ReadOnly {
// Read-only overlay mounts require two lower layer.
lowerTwo := filepath.Join(contentDir, "lower")
if err := os.Mkdir(lowerTwo, 0755); err != nil {
return mount, err
}
overlayOptions = fmt.Sprintf("lowerdir=%s:%s,private", escapeColon(source), lowerTwo)
} else {
// Read-write overlay mounts want a lower, upper and a work layer.
workDir := filepath.Join(contentDir, "work")
upperDir := filepath.Join(contentDir, "upper")
if opts.WorkDirOptionFragment != "" && opts.UpperDirOptionFragment != "" {
workDir = opts.WorkDirOptionFragment
upperDir = opts.UpperDirOptionFragment
}
st, err := os.Stat(source)
if err != nil {
return mount, err
}
if err := os.Chmod(upperDir, st.Mode()); err != nil {
return mount, err
}
if stat, ok := st.Sys().(*syscall.Stat_t); ok {
if err := os.Chown(upperDir, int(stat.Uid), int(stat.Gid)); err != nil {
return mount, err
}
}
overlayOptions = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s,private", escapeColon(source), upperDir, workDir)
}
mountProgram := findMountProgram(opts.GraphOpts)
if mountProgram != "" {
if err := mountWithMountProgram(mountProgram, overlayOptions, mergeDir); err != nil {
return mount, err
}
mount.Source = mergeDir
mount.Destination = dest
mount.Type = "bind"
mount.Options = []string{"bind", "slave"}
return mount, nil
}
if unshare.IsRootless() {
/* If a mount_program is not specified, fallback to try mounting native overlay. */
overlayOptions = fmt.Sprintf("%s,userxattr", overlayOptions)
}
mount.Source = mergeDir
mount.Destination = dest
mount.Type = "overlay"
mount.Options = strings.Split(overlayOptions, ",")
return mount, nil
}
// Convert ":" to "\:", the path which will be overlay mounted need to be escaped
func escapeColon(source string) string {
return strings.ReplaceAll(source, ":", "\\:")