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Add cimfs differ and snapshotter

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Details about CimFs project are discussed in #8346

Signed-off-by: Amit Barve <ambarve@microsoft.com>
This commit is contained in:
Amit Barve
2023-09-14 16:18:13 -07:00
parent 643fa70a7d
commit daa1ea522b
104 changed files with 3848 additions and 2996 deletions
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16
vendor/github.com/Microsoft/hcsshim/internal/regstate/regstate.go generated vendored
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@@ -4,6 +4,7 @@ package regstate
import (
"encoding/json"
"errors"
"fmt"
"net/url"
"os"
@@ -44,8 +45,8 @@ func (err *NotFoundError) Error() string {
}
func IsNotFoundError(err error) bool {
_, ok := err.(*NotFoundError)
return ok
var e *NotFoundError
return errors.As(err, &e)
}
type NoStateError struct {
@@ -152,7 +153,8 @@ func (k *Key) openid(id string) (*Key, error) {
escaped := url.PathEscape(id)
fullpath := filepath.Join(k.Name, escaped)
nk, err := k.open(escaped)
if perr, ok := err.(*os.PathError); ok && perr.Err == syscall.ERROR_FILE_NOT_FOUND {
var perr *os.PathError
if errors.As(err, &perr) && errors.Is(perr.Err, syscall.ERROR_FILE_NOT_FOUND) {
return nil, &NotFoundError{id}
}
if err != nil {
@@ -165,7 +167,7 @@ func (k *Key) Remove(id string) error {
escaped := url.PathEscape(id)
err := registry.DeleteKey(k.Key, escaped)
if err != nil {
if err == syscall.ERROR_FILE_NOT_FOUND {
if err == syscall.ERROR_FILE_NOT_FOUND { //nolint:errorlint
return &NotFoundError{id}
}
return &os.PathError{Op: "RegDeleteKey", Path: filepath.Join(k.Name, escaped), Err: err}
@@ -215,7 +217,7 @@ func (k *Key) set(id string, create bool, key string, state interface{}) error {
err = sk.SetBinaryValue(key, js)
}
if err != nil {
if err == syscall.ERROR_FILE_NOT_FOUND {
if err == syscall.ERROR_FILE_NOT_FOUND { //nolint:errorlint
return &NoStateError{id, key}
}
return &os.PathError{Op: "RegSetValueEx", Path: sk.Name + ":" + key, Err: err}
@@ -239,7 +241,7 @@ func (k *Key) Clear(id, key string) error {
defer sk.Close()
err = sk.DeleteValue(key)
if err != nil {
if err == syscall.ERROR_FILE_NOT_FOUND {
if err == syscall.ERROR_FILE_NOT_FOUND { //nolint:errorlint
return &NoStateError{id, key}
}
return &os.PathError{Op: "RegDeleteValue", Path: sk.Name + ":" + key, Err: err}
@@ -278,7 +280,7 @@ func (k *Key) Get(id, key string, state interface{}) error {
js, _, err = sk.GetBinaryValue(key)
}
if err != nil {
if err == syscall.ERROR_FILE_NOT_FOUND {
if err == syscall.ERROR_FILE_NOT_FOUND { //nolint:errorlint
return &NoStateError{id, key}
}
return &os.PathError{Op: "RegQueryValueEx", Path: sk.Name + ":" + key, Err: err}