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-rw-r--r--vendor/github.com/checkpoint-restore/go-criu/test/main.go133
-rw-r--r--vendor/github.com/checkpoint-restore/go-criu/test/phaul-main.go192
-rw-r--r--vendor/github.com/checkpoint-restore/go-criu/test/piggie.c57
-rw-r--r--vendor/github.com/containers/storage/drivers/overlay/check.go5
-rw-r--r--vendor/github.com/containers/storage/drivers/overlay/overlay.go14
5 files changed, 11 insertions, 390 deletions
diff --git a/vendor/github.com/checkpoint-restore/go-criu/test/main.go b/vendor/github.com/checkpoint-restore/go-criu/test/main.go
deleted file mode 100644
index 418ebb843..000000000
--- a/vendor/github.com/checkpoint-restore/go-criu/test/main.go
+++ /dev/null
@@ -1,133 +0,0 @@
-package main
-
-import (
- "fmt"
- "github.com/checkpoint-restore/go-criu"
- "github.com/checkpoint-restore/go-criu/rpc"
- "github.com/golang/protobuf/proto"
- "os"
- "strconv"
-)
-
-// TestNfy struct
-type TestNfy struct {
- criu.NoNotify
-}
-
-// PreDump test function
-func (c TestNfy) PreDump() error {
- fmt.Printf("TEST PRE DUMP\n")
- return nil
-}
-
-func doDump(c *criu.Criu, pidS string, imgDir string, pre bool, prevImg string) error {
- fmt.Printf("Dumping\n")
- pid, _ := strconv.Atoi(pidS)
- img, err := os.Open(imgDir)
- if err != nil {
- return fmt.Errorf("can't open image dir (%s)", err)
- }
- defer img.Close()
-
- opts := rpc.CriuOpts{
- Pid: proto.Int32(int32(pid)),
- ImagesDirFd: proto.Int32(int32(img.Fd())),
- LogLevel: proto.Int32(4),
- LogFile: proto.String("dump.log"),
- }
-
- if prevImg != "" {
- opts.ParentImg = proto.String(prevImg)
- opts.TrackMem = proto.Bool(true)
- }
-
- if pre {
- err = c.PreDump(opts, TestNfy{})
- } else {
- err = c.Dump(opts, TestNfy{})
- }
- if err != nil {
- return fmt.Errorf("dump fail (%s)", err)
- }
-
- return nil
-}
-
-// Usage: test $act $pid $images_dir
-func main() {
- c := criu.MakeCriu()
- // Read out CRIU version
- version, err := c.GetCriuVersion()
- if err != nil {
- fmt.Println(err)
- os.Exit(1)
- }
- fmt.Println("CRIU version", version)
- // Check if version at least 3.2
- result, err := c.IsCriuAtLeast(30200)
- if err != nil {
- fmt.Println(err)
- os.Exit(1)
- }
- if !result {
- fmt.Println("CRIU too old")
- os.Exit(1)
- }
- act := os.Args[1]
- switch act {
- case "dump":
- err := doDump(c, os.Args[2], os.Args[3], false, "")
- if err != nil {
- fmt.Print(err)
- os.Exit(1)
- }
- case "dump2":
- err := c.Prepare()
- if err != nil {
- fmt.Print(err)
- os.Exit(1)
- }
-
- err = doDump(c, os.Args[2], os.Args[3]+"/pre", true, "")
- if err != nil {
- fmt.Printf("pre-dump failed")
- fmt.Print(err)
- os.Exit(1)
- }
- err = doDump(c, os.Args[2], os.Args[3], false, "./pre")
- if err != nil {
- fmt.Printf("dump failed")
- fmt.Print(err)
- os.Exit(1)
- }
-
- c.Cleanup()
- case "restore":
- fmt.Printf("Restoring\n")
- img, err := os.Open(os.Args[2])
- if err != nil {
- fmt.Printf("can't open image dir")
- os.Exit(1)
- }
- defer img.Close()
-
- opts := rpc.CriuOpts{
- ImagesDirFd: proto.Int32(int32(img.Fd())),
- LogLevel: proto.Int32(4),
- LogFile: proto.String("restore.log"),
- }
-
- err = c.Restore(opts, nil)
- if err != nil {
- fmt.Printf("Error:")
- fmt.Print(err)
- fmt.Printf("\n")
- os.Exit(1)
- }
- default:
- fmt.Printf("unknown action\n")
- os.Exit(1)
- }
-
- fmt.Printf("Success\n")
-}
diff --git a/vendor/github.com/checkpoint-restore/go-criu/test/phaul-main.go b/vendor/github.com/checkpoint-restore/go-criu/test/phaul-main.go
deleted file mode 100644
index f1bec2c55..000000000
--- a/vendor/github.com/checkpoint-restore/go-criu/test/phaul-main.go
+++ /dev/null
@@ -1,192 +0,0 @@
-package main
-
-import (
- "fmt"
- "os"
- "strconv"
- "strings"
- "syscall"
-
- "github.com/checkpoint-restore/go-criu"
- "github.com/checkpoint-restore/go-criu/phaul"
- "github.com/checkpoint-restore/go-criu/rpc"
- "github.com/golang/protobuf/proto"
-)
-
-type testLocal struct {
- criu.NoNotify
- r *testRemote
-}
-
-type testRemote struct {
- srv *phaul.Server
-}
-
-/* Dir where test will put dump images */
-const imagesDir = "image"
-
-func prepareImages() error {
- err := os.Mkdir(imagesDir, 0700)
- if err != nil {
- return err
- }
-
- /* Work dir for PhaulClient */
- err = os.Mkdir(imagesDir+"/local", 0700)
- if err != nil {
- return err
- }
-
- /* Work dir for PhaulServer */
- err = os.Mkdir(imagesDir+"/remote", 0700)
- if err != nil {
- return err
- }
-
- /* Work dir for DumpCopyRestore */
- err = os.Mkdir(imagesDir+"/test", 0700)
- if err != nil {
- return err
- }
-
- return nil
-}
-
-func mergeImages(dumpDir, lastPreDumpDir string) error {
- idir, err := os.Open(dumpDir)
- if err != nil {
- return err
- }
-
- defer idir.Close()
-
- imgs, err := idir.Readdirnames(0)
- if err != nil {
- return err
- }
-
- for _, fname := range imgs {
- if !strings.HasSuffix(fname, ".img") {
- continue
- }
-
- fmt.Printf("\t%s -> %s/\n", fname, lastPreDumpDir)
- err = syscall.Link(dumpDir+"/"+fname, lastPreDumpDir+"/"+fname)
- if err != nil {
- return err
- }
- }
-
- return nil
-}
-
-func (r *testRemote) doRestore() error {
- lastSrvImagesDir := r.srv.LastImagesDir()
- /*
- * In imagesDir we have images from dump, in the
- * lastSrvImagesDir -- where server-side images
- * (from page server, with pages and pagemaps) are.
- * Need to put former into latter and restore from
- * them.
- */
- err := mergeImages(imagesDir+"/test", lastSrvImagesDir)
- if err != nil {
- return err
- }
-
- imgDir, err := os.Open(lastSrvImagesDir)
- if err != nil {
- return err
- }
- defer imgDir.Close()
-
- opts := rpc.CriuOpts{
- LogLevel: proto.Int32(4),
- LogFile: proto.String("restore.log"),
- ImagesDirFd: proto.Int32(int32(imgDir.Fd())),
- }
-
- cr := r.srv.GetCriu()
- fmt.Printf("Do restore\n")
- return cr.Restore(opts, nil)
-}
-
-func (l *testLocal) PostDump() error {
- return l.r.doRestore()
-}
-
-func (l *testLocal) DumpCopyRestore(cr *criu.Criu, cfg phaul.Config, lastClnImagesDir string) error {
- fmt.Printf("Final stage\n")
-
- imgDir, err := os.Open(imagesDir + "/test")
- if err != nil {
- return err
- }
- defer imgDir.Close()
-
- psi := rpc.CriuPageServerInfo{
- Fd: proto.Int32(int32(cfg.Memfd)),
- }
-
- opts := rpc.CriuOpts{
- Pid: proto.Int32(int32(cfg.Pid)),
- LogLevel: proto.Int32(4),
- LogFile: proto.String("dump.log"),
- ImagesDirFd: proto.Int32(int32(imgDir.Fd())),
- TrackMem: proto.Bool(true),
- ParentImg: proto.String(lastClnImagesDir),
- Ps: &psi,
- }
-
- fmt.Printf("Do dump\n")
- return cr.Dump(opts, l)
-}
-
-func main() {
- pid, _ := strconv.Atoi(os.Args[1])
- fds, err := syscall.Socketpair(syscall.AF_LOCAL, syscall.SOCK_STREAM, 0)
- if err != nil {
- fmt.Printf("Can't make socketpair: %v\n", err)
- os.Exit(1)
- }
-
- err = prepareImages()
- if err != nil {
- fmt.Printf("Can't prepare dirs for images: %v\n", err)
- os.Exit(1)
- return
- }
-
- fmt.Printf("Make server part (socket %d)\n", fds[1])
- srv, err := phaul.MakePhaulServer(phaul.Config{
- Pid: pid,
- Memfd: fds[1],
- Wdir: imagesDir + "/remote"})
- if err != nil {
- fmt.Printf("Unable to run a server: %v", err)
- os.Exit(1)
- return
- }
-
- r := &testRemote{srv}
-
- fmt.Printf("Make client part (socket %d)\n", fds[0])
- cln, err := phaul.MakePhaulClient(&testLocal{r: r}, srv,
- phaul.Config{
- Pid: pid,
- Memfd: fds[0],
- Wdir: imagesDir + "/local"})
- if err != nil {
- fmt.Printf("Unable to run a client: %v\n", err)
- os.Exit(1)
- }
-
- fmt.Printf("Migrate\n")
- err = cln.Migrate()
- if err != nil {
- fmt.Printf("Failed: %v\n", err)
- os.Exit(1)
- }
-
- fmt.Printf("SUCCESS!\n")
-}
diff --git a/vendor/github.com/checkpoint-restore/go-criu/test/piggie.c b/vendor/github.com/checkpoint-restore/go-criu/test/piggie.c
deleted file mode 100644
index 1dc0801c0..000000000
--- a/vendor/github.com/checkpoint-restore/go-criu/test/piggie.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <sched.h>
-
-#define STKS (4*4096)
-
-#ifndef CLONE_NEWPID
-#define CLONE_NEWPID 0x20000000
-#endif
-
-static int do_test(void *logf)
-{
- int fd, i = 0;
-
- setsid();
-
- close(0);
- close(1);
- close(2);
-
- fd = open("/dev/null", O_RDONLY);
- if (fd != 0) {
- dup2(fd, 0);
- close(fd);
- }
-
- fd = open(logf, O_WRONLY | O_TRUNC | O_CREAT, 0600);
- dup2(fd, 1);
- dup2(fd, 2);
- if (fd != 1 && fd != 2)
- close(fd);
-
- while (1) {
- sleep(1);
- printf("%d\n", i++);
- fflush(stdout);
- }
-
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- int pid;
- void *stk;
-
- stk = mmap(NULL, STKS, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANON | MAP_GROWSDOWN, 0, 0);
- pid = clone(do_test, stk + STKS, SIGCHLD | CLONE_NEWPID, argv[1]);
- printf("Child forked, pid %d\n", pid);
-
- return 0;
-}
diff --git a/vendor/github.com/containers/storage/drivers/overlay/check.go b/vendor/github.com/containers/storage/drivers/overlay/check.go
index 2a096edf6..590d517fa 100644
--- a/vendor/github.com/containers/storage/drivers/overlay/check.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/check.go
@@ -20,7 +20,7 @@ import (
// which copies up the opaque flag when copying up an opaque
// directory or the kernel enable CONFIG_OVERLAY_FS_REDIRECT_DIR.
// When these exist naive diff should be used.
-func doesSupportNativeDiff(d string) error {
+func doesSupportNativeDiff(d, mountOpts string) error {
td, err := ioutil.TempDir(d, "opaque-bug-check")
if err != nil {
return err
@@ -57,6 +57,9 @@ func doesSupportNativeDiff(d string) error {
}
opts := fmt.Sprintf("lowerdir=%s:%s,upperdir=%s,workdir=%s", path.Join(td, "l2"), path.Join(td, "l1"), path.Join(td, "l3"), path.Join(td, "work"))
+ if mountOpts != "" {
+ opts = fmt.Sprintf("%s,%s", opts, mountOpts)
+ }
if err := unix.Mount("overlay", filepath.Join(td, "merged"), "overlay", 0, opts); err != nil {
return errors.Wrap(err, "failed to mount overlay")
}
diff --git a/vendor/github.com/containers/storage/drivers/overlay/overlay.go b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
index 2e0498f51..d2cc65bca 100644
--- a/vendor/github.com/containers/storage/drivers/overlay/overlay.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
@@ -206,7 +206,7 @@ func Init(home string, options []string, uidMaps, gidMaps []idtools.IDMap) (grap
return nil, fmt.Errorf("Storage option overlay.size only supported for backingFS XFS. Found %v", backingFs)
}
- logrus.Debugf("backingFs=%s, projectQuotaSupported=%v, useNativeDiff=%v", backingFs, projectQuotaSupported, !useNaiveDiff(home))
+ logrus.Debugf("backingFs=%s, projectQuotaSupported=%v, useNativeDiff=%v", backingFs, projectQuotaSupported, !d.useNaiveDiff())
return d, nil
}
@@ -338,9 +338,9 @@ func supportsOverlay(home string, homeMagic graphdriver.FsMagic, rootUID, rootGI
return supportsDType, errors.Wrap(graphdriver.ErrNotSupported, "'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.")
}
-func useNaiveDiff(home string) bool {
+func (d *Driver) useNaiveDiff() bool {
useNaiveDiffLock.Do(func() {
- if err := doesSupportNativeDiff(home); err != nil {
+ if err := doesSupportNativeDiff(d.home, d.options.mountOptions); err != nil {
logrus.Warnf("Not using native diff for overlay, this may cause degraded performance for building images: %v", err)
useNaiveDiffOnly = true
}
@@ -358,7 +358,7 @@ func (d *Driver) Status() [][2]string {
return [][2]string{
{"Backing Filesystem", backingFs},
{"Supports d_type", strconv.FormatBool(d.supportsDType)},
- {"Native Overlay Diff", strconv.FormatBool(!useNaiveDiff(d.home))},
+ {"Native Overlay Diff", strconv.FormatBool(!d.useNaiveDiff())},
}
}
@@ -883,7 +883,7 @@ func (d *Driver) getDiffPath(id string) string {
// and its parent and returns the size in bytes of the changes
// relative to its base filesystem directory.
func (d *Driver) DiffSize(id string, idMappings *idtools.IDMappings, parent string, parentMappings *idtools.IDMappings, mountLabel string) (size int64, err error) {
- if useNaiveDiff(d.home) || !d.isParent(id, parent) {
+ if d.useNaiveDiff() || !d.isParent(id, parent) {
return d.naiveDiff.DiffSize(id, idMappings, parent, parentMappings, mountLabel)
}
return directory.Size(d.getDiffPath(id))
@@ -892,7 +892,7 @@ func (d *Driver) DiffSize(id string, idMappings *idtools.IDMappings, parent stri
// Diff produces an archive of the changes between the specified
// layer and its parent layer which may be "".
func (d *Driver) Diff(id string, idMappings *idtools.IDMappings, parent string, parentMappings *idtools.IDMappings, mountLabel string) (io.ReadCloser, error) {
- if useNaiveDiff(d.home) || !d.isParent(id, parent) {
+ if d.useNaiveDiff() || !d.isParent(id, parent) {
return d.naiveDiff.Diff(id, idMappings, parent, parentMappings, mountLabel)
}
@@ -919,7 +919,7 @@ func (d *Driver) Diff(id string, idMappings *idtools.IDMappings, parent string,
// Changes produces a list of changes between the specified layer
// and its parent layer. If parent is "", then all changes will be ADD changes.
func (d *Driver) Changes(id string, idMappings *idtools.IDMappings, parent string, parentMappings *idtools.IDMappings, mountLabel string) ([]archive.Change, error) {
- if useNaiveDiff(d.home) || !d.isParent(id, parent) {
+ if d.useNaiveDiff() || !d.isParent(id, parent) {
return d.naiveDiff.Changes(id, idMappings, parent, parentMappings, mountLabel)
}
// Overlay doesn't have snapshots, so we need to get changes from all parent