Bump github.com/containers/storage from 1.25.0 to 1.26.0

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.25.0 to 1.26.0. - [Release notes](https://github.com/containers/storage/releases) - [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md) - [Commits](https://github.com/containers/storage/compare/v1.25.0...v1.26.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2025-09-01 22:58:24 +00:00 · 2021-02-22 09:26:09 +00:00
parent 15f0d5cd2f
commit be600975a9
40 changed files with 1567 additions and 170 deletions
--- a/vendor/github.com/containers/storage/VERSION
+++ b/vendor/github.com/containers/storage/VERSION
@@ -1 +1 @@
-1.25.0
+1.26.0
--- a/vendor/github.com/containers/storage/containers.go
+++ b/vendor/github.com/containers/storage/containers.go
@@ -313,6 +313,9 @@ func (r *containerStore) Create(id string, names []string, image, layer, metadat
 	if options.MountOpts != nil {
 		options.Flags["MountOpts"] = append([]string{}, options.MountOpts...)
 	}
+	if options.Volatile {
+		options.Flags["Volatile"] = true
+	}
 	names = dedupeNames(names)
 	for _, name := range names {
 		if _, nameInUse := r.byname[name]; nameInUse {
--- a/vendor/github.com/containers/storage/drivers/driver.go
+++ b/vendor/github.com/containers/storage/drivers/driver.go
@@ -53,6 +53,10 @@ type MountOpts struct {
 	UidMaps []idtools.IDMap // nolint: golint
 	GidMaps []idtools.IDMap // nolint: golint
 	Options []string
+
+	// Volatile specifies whether the container storage can be optimized
+	// at the cost of not syncing all the dirty files in memory.
+	Volatile bool
 }

 // ApplyDiffOpts contains optional arguments for ApplyDiff methods.
--- a/vendor/github.com/containers/storage/drivers/overlay/check.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/check.go
@@ -145,6 +145,10 @@ func doesMetacopy(d, mountOpts string) (bool, error) {
 		opts = fmt.Sprintf("%s,%s", opts, data)
 	}
 	if err := unix.Mount("overlay", filepath.Join(td, "merged"), "overlay", uintptr(flags), opts); err != nil {
+		if errors.Cause(err) == unix.EINVAL {
+			logrus.Info("metacopy option not supported on this kernel", mountOpts)
+			return false, nil
+		}
 		return false, errors.Wrapf(err, "failed to mount overlay for metacopy check with %q options", mountOpts)
 	}
 	defer func() {
@@ -163,3 +167,40 @@ func doesMetacopy(d, mountOpts string) (bool, error) {
 	}
 	return metacopy != nil, nil
 }
+
+// doesVolatile checks if the filesystem supports the "volatile" mount option
+func doesVolatile(d string) (bool, error) {
+	td, err := ioutil.TempDir(d, "volatile-check")
+	if err != nil {
+		return false, err
+	}
+	defer func() {
+		if err := os.RemoveAll(td); err != nil {
+			logrus.Warnf("Failed to remove check directory %v: %v", td, err)
+		}
+	}()
+
+	if err := os.MkdirAll(filepath.Join(td, "lower"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.MkdirAll(filepath.Join(td, "upper"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.Mkdir(filepath.Join(td, "work"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.Mkdir(filepath.Join(td, "merged"), 0755); err != nil {
+		return false, err
+	}
+	// Mount using the mandatory options and configured options
+	opts := fmt.Sprintf("volatile,lowerdir=%s,upperdir=%s,workdir=%s", path.Join(td, "lower"), path.Join(td, "upper"), path.Join(td, "work"))
+	if err := unix.Mount("overlay", filepath.Join(td, "merged"), "overlay", 0, opts); err != nil {
+		return false, errors.Wrapf(err, "failed to mount overlay for volatile check")
+	}
+	defer func() {
+		if err := unix.Unmount(filepath.Join(td, "merged"), 0); err != nil {
+			logrus.Warnf("Failed to unmount check directory %v: %v", filepath.Join(td, "merged"), err)
+		}
+	}()
+	return true, nil
+}
--- a/vendor/github.com/containers/storage/drivers/overlay/overlay.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
@@ -28,6 +28,7 @@ import (
 	"github.com/containers/storage/pkg/mount"
 	"github.com/containers/storage/pkg/parsers"
 	"github.com/containers/storage/pkg/system"
+	"github.com/containers/storage/pkg/unshare"
 	units "github.com/docker/go-units"
 	rsystem "github.com/opencontainers/runc/libcontainer/system"
 	"github.com/opencontainers/selinux/go-selinux/label"
@@ -98,18 +99,19 @@ type overlayOptions struct {

 // Driver contains information about the home directory and the list of active mounts that are created using this driver.
 type Driver struct {
-	name          string
-	home          string
-	runhome       string
-	uidMaps       []idtools.IDMap
-	gidMaps       []idtools.IDMap
-	ctr           *graphdriver.RefCounter
-	quotaCtl      *quota.Control
-	options       overlayOptions
-	naiveDiff     graphdriver.DiffDriver
-	supportsDType bool
-	usingMetacopy bool
-	locker        *locker.Locker
+	name             string
+	home             string
+	runhome          string
+	uidMaps          []idtools.IDMap
+	gidMaps          []idtools.IDMap
+	ctr              *graphdriver.RefCounter
+	quotaCtl         *quota.Control
+	options          overlayOptions
+	naiveDiff        graphdriver.DiffDriver
+	supportsDType    bool
+	supportsVolatile bool
+	usingMetacopy    bool
+	locker           *locker.Locker
 }

 var (
@@ -125,6 +127,51 @@ func init() {
 	graphdriver.Register("overlay2", Init)
 }

+func hasMetacopyOption(opts []string) bool {
+	for _, s := range opts {
+		if s == "metacopy=on" {
+			return true
+		}
+	}
+	return false
+}
+
+func hasVolatileOption(opts []string) bool {
+	for _, s := range opts {
+		if s == "volatile" {
+			return true
+		}
+	}
+	return false
+}
+
+func checkSupportVolatile(home, runhome string) (bool, error) {
+	feature := fmt.Sprintf("volatile")
+	volatileCacheResult, _, err := cachedFeatureCheck(runhome, feature)
+	var usingVolatile bool
+	if err == nil {
+		if volatileCacheResult {
+			logrus.Debugf("cached value indicated that volatile is being used")
+		} else {
+			logrus.Debugf("cached value indicated that volatile is not being used")
+		}
+		usingVolatile = volatileCacheResult
+	} else {
+		usingVolatile, err = doesVolatile(home)
+		if err == nil {
+			if usingVolatile {
+				logrus.Debugf("overlay test mount indicated that volatile is being used")
+			} else {
+				logrus.Debugf("overlay test mount indicated that volatile is not being used")
+			}
+			if err = cachedFeatureRecord(runhome, feature, usingVolatile, ""); err != nil {
+				return false, errors.Wrap(err, "error recording volatile-being-used status")
+			}
+		}
+	}
+	return usingVolatile, nil
+}
+
 // Init returns the a native diff driver for overlay filesystem.
 // If overlay filesystem is not supported on the host, a wrapped graphdriver.ErrNotSupported is returned as error.
 // If an overlay filesystem is not supported over an existing filesystem then a wrapped graphdriver.ErrIncompatibleFS is returned.
@@ -169,8 +216,10 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)

 	var usingMetacopy bool
 	var supportsDType bool
+	var supportsVolatile bool
 	if opts.mountProgram != "" {
 		supportsDType = true
+		supportsVolatile = true
 	} else {
 		feature := "overlay"
 		overlayCacheResult, overlayCacheText, err := cachedFeatureCheck(runhome, feature)
@@ -229,6 +278,10 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 				return nil, err
 			}
 		}
+		supportsVolatile, err = checkSupportVolatile(home, runhome)
+		if err != nil {
+			return nil, err
+		}
 	}

 	if !opts.skipMountHome {
@@ -243,16 +296,17 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 	}

 	d := &Driver{
-		name:          "overlay",
-		home:          home,
-		runhome:       runhome,
-		uidMaps:       options.UIDMaps,
-		gidMaps:       options.GIDMaps,
-		ctr:           graphdriver.NewRefCounter(graphdriver.NewFsChecker(fileSystemType)),
-		supportsDType: supportsDType,
-		usingMetacopy: usingMetacopy,
-		locker:        locker.New(),
-		options:       *opts,
+		name:             "overlay",
+		home:             home,
+		runhome:          runhome,
+		uidMaps:          options.UIDMaps,
+		gidMaps:          options.GIDMaps,
+		ctr:              graphdriver.NewRefCounter(graphdriver.NewFsChecker(fileSystemType)),
+		supportsDType:    supportsDType,
+		usingMetacopy:    usingMetacopy,
+		supportsVolatile: supportsVolatile,
+		locker:           locker.New(),
+		options:          *opts,
 	}

 	d.naiveDiff = graphdriver.NewNaiveDiffDriver(d, graphdriver.NewNaiveLayerIDMapUpdater(d))
@@ -758,8 +812,22 @@ func (d *Driver) getLowerDirs(id string) ([]string, error) {
 		for _, s := range strings.Split(string(lowers), ":") {
 			lower := d.dir(s)
 			lp, err := os.Readlink(lower)
+			// if the link does not exist, we lost the symlinks during a sudden reboot.
+			// Let's go ahead and recreate those symlinks.
 			if err != nil {
-				return nil, err
+				if os.IsNotExist(err) {
+					logrus.Warnf("Can't read link %q because it does not exist. Going through storage to recreate the missing symlinks.", lower)
+					if err := d.recreateSymlinks(); err != nil {
+						return nil, fmt.Errorf("error recreating the missing symlinks: %v", err)
+					}
+					// let's call Readlink on lower again now that we have recreated the missing symlinks
+					lp, err = os.Readlink(lower)
+					if err != nil {
+						return nil, err
+					}
+				} else {
+					return nil, err
+				}
 			}
 			lowersArray = append(lowersArray, path.Clean(d.dir(path.Join("link", lp))))
 		}
@@ -880,7 +948,21 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO
 	}
 	readWrite := true

-	for _, o := range options.Options {
+	optsList := options.Options
+	if len(optsList) == 0 {
+		optsList = strings.Split(d.options.mountOptions, ",")
+	} else {
+		// If metacopy=on is present in d.options.mountOptions it must be present in the mount
+		// options otherwise the kernel refuses to follow the metacopy xattr.
+		if hasMetacopyOption(strings.Split(d.options.mountOptions, ",")) && !hasMetacopyOption(options.Options) {
+			if d.usingMetacopy {
+				optsList = append(optsList, "metacopy=on")
+			} else {
+				logrus.Warnf("ignoring metacopy option from storage.conf, not supported with booted kernel")
+			}
+		}
+	}
+	for _, o := range optsList {
 		if o == "ro" {
 			readWrite = false
 			break
@@ -1018,11 +1100,25 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO
 	} else {
 		opts = fmt.Sprintf("lowerdir=%s:%s", diffDir, strings.Join(absLowers, ":"))
 	}
-	if len(options.Options) > 0 {
-		opts = fmt.Sprintf("%s,%s", strings.Join(options.Options, ","), opts)
-	} else if d.options.mountOptions != "" {
-		opts = fmt.Sprintf("%s,%s", d.options.mountOptions, opts)
+	if len(optsList) > 0 {
+		opts = fmt.Sprintf("%s,%s", strings.Join(optsList, ","), opts)
 	}
+
+	if d.options.mountProgram == "" && unshare.IsRootless() {
+		opts = fmt.Sprintf("%s,userxattr", opts)
+	}
+
+	// overlay has a check in place to prevent mounting the same file system twice
+	// if volatile was already specified.
+	err = os.RemoveAll(filepath.Join(dir, "work", "incompat/volatile"))
+	if err != nil && !os.IsNotExist(err) {
+		return "", err
+	}
+	// If "volatile" is not supported by the file system, just ignore the request
+	if d.supportsVolatile && options.Volatile && !hasVolatileOption(strings.Split(opts, ",")) {
+		opts = fmt.Sprintf("%s,volatile", opts)
+	}
+
 	mountData := label.FormatMountLabel(opts, options.MountLabel)
 	mountFunc := unix.Mount
 	mountTarget := mergedDir
--- a/vendor/github.com/containers/storage/go.mod
+++ b/vendor/github.com/containers/storage/go.mod
@@ -14,17 +14,17 @@ require (
 	github.com/mistifyio/go-zfs v2.1.1+incompatible
 	github.com/moby/sys/mountinfo v0.4.0
 	github.com/opencontainers/go-digest v1.0.0
-	github.com/opencontainers/runc v1.0.0-rc91
-	github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2
+	github.com/opencontainers/runc v1.0.0-rc93
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
 	github.com/opencontainers/selinux v1.8.0
 	github.com/pkg/errors v0.9.1
 	github.com/pquerna/ffjson v0.0.0-20181028064349-e517b90714f7
-	github.com/sirupsen/logrus v1.7.0
+	github.com/sirupsen/logrus v1.8.0
 	github.com/stretchr/testify v1.7.0
-	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2
+	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635
 	github.com/tchap/go-patricia v2.3.0+incompatible
 	github.com/vbatts/tar-split v0.11.1
-	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9
+	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
 	golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
 	gotest.tools v2.2.0+incompatible
 )
--- a/vendor/github.com/containers/storage/go.sum
+++ b/vendor/github.com/containers/storage/go.sum
@@ -5,37 +5,30 @@ github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331 h1:3YnB7Hpmh
 github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
 github.com/Microsoft/hcsshim v0.8.14 h1:lbPVK25c1cu5xTLITwpUcxoA9vKrKErASPYygvouJns=
 github.com/Microsoft/hcsshim v0.8.14/go.mod h1:NtVKoYxQuTLx6gEq0L96c9Ju4JbRJ4nY2ow3VK6a9Lg=
-github.com/checkpoint-restore/go-criu/v4 v4.0.2 h1:jt+rnBIhFtPw0fhtpYGcUOilh4aO9Hj7r+YLEtf30uA=
-github.com/checkpoint-restore/go-criu/v4 v4.0.2/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
+github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
 github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3/go.mod h1:MA5e5Lr8slmEg9bt0VpxxWqJlO4iwu3FBdHUzV7wQVg=
-github.com/cilium/ebpf v0.0.0-20200507155900-a9f01edf17e3 h1:qcqzLJa2xCo9sgdCzpT/SJSYxROTEstuhf7ZBHMirms=
-github.com/cilium/ebpf v0.0.0-20200507155900-a9f01edf17e3/go.mod h1:XT+cAw5wfvsodedcijoh1l9cf7v1x9FlFB/3VmF/O8s=
+github.com/cilium/ebpf v0.2.0/go.mod h1:To2CFviqOWL/M0gIMsvSMlqe7em/l1ALkX1PyjrX2Qs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59 h1:qWj4qVYZ95vLWwqyNJCQg7rDsG5wPdze0UaPolH7DUk=
 github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59/go.mod h1:pA0z1pT8KYB3TCXK/ocprsh7MAkoW8bZVzPdih9snmM=
-github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1 h1:uict5mhHFTzKLUCufdSLym7z/J0CbBJT59lYbP9wtbg=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
-github.com/containerd/console v1.0.0 h1:fU3UuQapBs+zLJu82NhR11Rif1ny2zfMMAyPJzSN5tQ=
-github.com/containerd/console v1.0.0/go.mod h1:8Pf4gM6VEbTNRIT26AyyU7hxdQU3MvAvxVI0sc00XBE=
+github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw=
 github.com/containerd/containerd v1.3.2/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
 github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
 github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448/go.mod h1:ODA38xgv3Kuk8dQz2ZQXpnv/UZZUHUCL7pnLehbXgQI=
 github.com/containerd/go-runc v0.0.0-20180907222934-5a6d9f37cfa3/go.mod h1:IV7qH3hrUgRmyYrtgEeGWJfWbgcHL9CSRruz2Vqcph0=
 github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de/go.mod h1:PvCDdDGpgqzQIzDW1TphrGLssLDZp2GuS+X5DkEJB8o=
 github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd/go.mod h1:Cm3kwCdlkCfMSHURc+r6fwoGH6/F1hH3S4sg0rLFWPc=
-github.com/coreos/go-systemd/v22 v22.0.0 h1:XJIw/+VlJ+87J+doOxznsAWIdmWuViOVhkQamW5YV28=
 github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cyphar/filepath-securejoin v0.2.2 h1:jCwT2GTP+PY5nBz3c/YL5PAIbusElVrPujOBSCj8xRg=
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/godbus/dbus/v5 v5.0.3 h1:ZqHaoEF7TBzh4jzPmqVhE/5A1z9of6orkAe5uHoAeME=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
@@ -43,13 +36,20 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
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@@ -64,33 +64,29 @@ github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE
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@@ -101,37 +97,29 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
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@@ -147,8 +135,9 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -164,18 +153,17 @@ golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7w
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+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -192,11 +180,16 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
@@ -28,3 +28,8 @@ func GetDataHome() (string, error) {
 func GetConfigHome() (string, error) {
 	return "", errors.New("homedir.GetConfigHome() is not supported on this system")
 }
+
+// GetCacheHome is unsupported on non-linux system.
+func GetCacheHome() (string, error) {
+	return "", errors.New("homedir.GetCacheHome() is not supported on this system")
+}
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go
@@ -123,3 +123,18 @@ func GetConfigHome() (string, error) {
 	}
 	return filepath.Join(home, ".config"), nil
 }
+
+// GetCacheHome returns XDG_CACHE_HOME.
+// GetCacheHome returns $HOME/.cache and nil error if XDG_CACHE_HOME is not set.
+//
+// See also https://standards.freedesktop.org/basedir-spec/latest/ar01s03.html
+func GetCacheHome() (string, error) {
+	if xdgCacheHome := os.Getenv("XDG_CACHE_HOME"); xdgCacheHome != "" {
+		return xdgCacheHome, nil
+	}
+	home := Get()
+	if home == "" {
+		return "", errors.New("could not get either XDG_CACHE_HOME or HOME")
+	}
+	return filepath.Join(home, ".cache"), nil
+}
--- a/vendor/github.com/containers/storage/store.go
+++ b/vendor/github.com/containers/storage/store.go
@@ -599,6 +599,7 @@ type ContainerOptions struct {
 	LabelOpts []string
 	Flags     map[string]interface{}
 	MountOpts []string
+	Volatile  bool
 }

 type store struct {
@@ -2813,6 +2814,9 @@ func (s *store) Mount(id, mountLabel string) (string, error) {
 		options.UidMaps = container.UIDMap
 		options.GidMaps = container.GIDMap
 		options.Options = container.MountOpts()
+		if v, found := container.Flags["Volatile"]; found {
+			options.Volatile = v.(bool)
+		}
 	}
 	return s.mount(id, options)
 }
@@ -1 +1 @@
 .25.0
 .26.0