Migrate to containerd v1.7.0 and update dependencies

* Updates containerd to v1.7.0 and new binary for 32-bit
Arm OSes.
* Updates Go dependencies - openfaas and external

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/containerd/continuity/fs/copy.go

@@ -22,6 +22,8 @@ import (
 	"os"
 	"path/filepath"
 	"sync"
+
+	"github.com/sirupsen/logrus"
 )
 
 var bufferPool = &sync.Pool{
@@ -31,7 +33,7 @@ var bufferPool = &sync.Pool{
 	},
 }
 
-// XAttrErrorHandlers transform a non-nil xattr error.
+// XAttrErrorHandler transform a non-nil xattr error.
 // Return nil to ignore an error.
 // xattrKey can be empty for listxattr operation.
 type XAttrErrorHandler func(dst, src, xattrKey string, err error) error
@@ -152,13 +154,15 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
 			if err := os.Symlink(link, target); err != nil {
 				return fmt.Errorf("failed to create symlink: %s: %w", target, err)
 			}
-		case (fi.Mode() & os.ModeDevice) == os.ModeDevice:
-			if err := copyDevice(target, fi); err != nil {
-				return fmt.Errorf("failed to create device: %w", err)
+		case (fi.Mode() & os.ModeDevice) == os.ModeDevice,
+			(fi.Mode() & os.ModeNamedPipe) == os.ModeNamedPipe,
+			(fi.Mode() & os.ModeSocket) == os.ModeSocket:
+			if err := copyIrregular(target, fi); err != nil {
+				return fmt.Errorf("failed to create irregular file: %w", err)
 			}
 		default:
-			// TODO: Support pipes and sockets
-			return fmt.Errorf("unsupported mode %s: %w", fi.Mode(), err)
+			logrus.Warnf("unsupported mode: %s: %s", source, fi.Mode())
+			continue
 		}
 
 		if err := copyFileInfo(fi, source, target); err != nil {

vendor/github.com/containerd/continuity/fs/copy_freebsd.go

@@ -1,36 +0,0 @@
-//go:build freebsd
-// +build freebsd
-
-/*
-   Copyright The containerd Authors.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package fs
-
-import (
-	"errors"
-	"os"
-	"syscall"
-
-	"golang.org/x/sys/unix"
-)
-
-func copyDevice(dst string, fi os.FileInfo) error {
-	st, ok := fi.Sys().(*syscall.Stat_t)
-	if !ok {
-		return errors.New("unsupported stat type")
-	}
-	return unix.Mknod(dst, uint32(fi.Mode()), st.Rdev)
-}

vendor/github.com/containerd/continuity/fs/copy_irregular_freebsd.go

@@ -1,6 +1,3 @@
-//go:build darwin
-// +build darwin
-
 /*
    Copyright The containerd Authors.
 
@@ -20,17 +17,20 @@
 package fs
 
 import (
-	"errors"
+	"fmt"
 	"os"
 	"syscall"
-
-	"golang.org/x/sys/unix"
 )
 
-func copyDevice(dst string, fi os.FileInfo) error {
-	st, ok := fi.Sys().(*syscall.Stat_t)
+// copyIrregular covers devices, pipes, and sockets
+func copyIrregular(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t) // not *unix.Stat_t
 	if !ok {
-		return errors.New("unsupported stat type")
+		return fmt.Errorf("unsupported stat type: %s: %v", dst, fi.Mode())
 	}
-	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
+	var rDev uint64 // uint64 on FreeBSD, int on other unixen
+	if fi.Mode()&os.ModeDevice == os.ModeDevice {
+		rDev = st.Rdev
+	}
+	return syscall.Mknod(dst, uint32(st.Mode), rDev)
 }

vendor/github.com/containerd/continuity/fs/copy_irregular_unix.go

@@ -1,5 +1,5 @@
-//go:build openbsd || solaris || netbsd
-// +build openbsd solaris netbsd
+//go:build !windows && !freebsd
+// +build !windows,!freebsd
 
 /*
    Copyright The containerd Authors.
@@ -20,17 +20,21 @@
 package fs
 
 import (
-	"errors"
+	"fmt"
 	"os"
 	"syscall"
-
-	"golang.org/x/sys/unix"
 )
 
-func copyDevice(dst string, fi os.FileInfo) error {
-	st, ok := fi.Sys().(*syscall.Stat_t)
+// copyIrregular covers devices, pipes, and sockets
+func copyIrregular(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t) // not *unix.Stat_t
 	if !ok {
-		return errors.New("unsupported stat type")
+		return fmt.Errorf("unsupported stat type: %s: %v", dst, fi.Mode())
 	}
-	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
+	var rDev int
+	if fi.Mode()&os.ModeDevice == os.ModeDevice {
+		rDev = int(st.Rdev)
+	}
+	//nolint:unconvert
+	return syscall.Mknod(dst, uint32(st.Mode), rDev)
 }

vendor/github.com/containerd/continuity/fs/copy_linux.go

@@ -17,7 +17,6 @@
 package fs
 
 import (
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -144,11 +143,3 @@ func copyXAttrs(dst, src string, excludes map[string]struct{}, errorHandler XAtt
 
 	return nil
 }
-
-func copyDevice(dst string, fi os.FileInfo) error {
-	st, ok := fi.Sys().(*syscall.Stat_t)
-	if !ok {
-		return errors.New("unsupported stat type")
-	}
-	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
-}

vendor/github.com/containerd/continuity/fs/copy_windows.go

@@ -85,6 +85,6 @@ func copyXAttrs(dst, src string, excludes map[string]struct{}, errorHandler XAtt
 	return nil
 }
 
-func copyDevice(dst string, fi os.FileInfo) error {
-	return errors.New("device copy not supported")
+func copyIrregular(dst string, fi os.FileInfo) error {
+	return errors.New("irregular copy not supported")
 }

vendor/github.com/containerd/continuity/fs/diff.go

@@ -22,9 +22,8 @@ import (
 	"path/filepath"
 	"strings"
 
-	"golang.org/x/sync/errgroup"
-
 	"github.com/sirupsen/logrus"
+	"golang.org/x/sync/errgroup"
 )
 
 // ChangeKind is the type of modification that

vendor/github.com/containerd/continuity/fs/dtype_linux.go

@@ -35,7 +35,7 @@ func locateDummyIfEmpty(path string) (string, error) {
 	if len(children) != 0 {
 		return "", nil
 	}
-	dummyFile, err := ioutil.TempFile(path, "fsutils-dummy")
+	dummyFile, err := os.CreateTemp(path, "fsutils-dummy")
 	if err != nil {
 		return "", err
 	}