vendor: update buildkit to 8effd45b

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/containerd/containerd/content/adaptor.go

@@ -0,0 +1,52 @@
+/*
+   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 content
+
+import (
+	"strings"
+
+	"github.com/containerd/containerd/filters"
+)
+
+// AdoptInfo returns `filters.Adaptor` that handles `content.Info`.
+func AdaptInfo(info Info) filters.Adaptor {
+	return filters.AdapterFunc(func(fieldpath []string) (string, bool) {
+		if len(fieldpath) == 0 {
+			return "", false
+		}
+
+		switch fieldpath[0] {
+		case "digest":
+			return info.Digest.String(), true
+		case "size":
+			// TODO: support size based filtering
+		case "labels":
+			return checkMap(fieldpath[1:], info.Labels)
+		}
+
+		return "", false
+	})
+}
+
+func checkMap(fieldpath []string, m map[string]string) (string, bool) {
+	if len(m) == 0 {
+		return "", false
+	}
+
+	value, ok := m[strings.Join(fieldpath, ".")]
+	return value, ok
+}

vendor/github.com/containerd/containerd/content/content.go

@@ -37,7 +37,7 @@ type Provider interface {
 	// ReaderAt only requires desc.Digest to be set.
 	// Other fields in the descriptor may be used internally for resolving
 	// the location of the actual data.
-	ReaderAt(ctx context.Context, dec ocispec.Descriptor) (ReaderAt, error)
+	ReaderAt(ctx context.Context, desc ocispec.Descriptor) (ReaderAt, error)
 }
 
 // Ingester writes content

vendor/github.com/containerd/containerd/content/local/locks.go

@@ -18,6 +18,7 @@ package local
 
 import (
 	"sync"
+	"time"
 
 	"github.com/containerd/containerd/errdefs"
 	"github.com/pkg/errors"
@@ -25,9 +26,13 @@ import (
 
 // Handles locking references
 
+type lock struct {
+	since time.Time
+}
+
 var (
 	// locks lets us lock in process
-	locks   = map[string]struct{}{}
+	locks   = make(map[string]*lock)
 	locksMu sync.Mutex
 )
 
@@ -35,11 +40,11 @@ func tryLock(ref string) error {
 	locksMu.Lock()
 	defer locksMu.Unlock()
 
-	if _, ok := locks[ref]; ok {
-		return errors.Wrapf(errdefs.ErrUnavailable, "ref %s locked", ref)
+	if v, ok := locks[ref]; ok {
+		return errors.Wrapf(errdefs.ErrUnavailable, "ref %s locked since %s", ref, v.since)
 	}
 
-	locks[ref] = struct{}{}
+	locks[ref] = &lock{time.Now()}
 	return nil
 }
 

vendor/github.com/containerd/containerd/content/local/readerat.go

@@ -18,6 +18,11 @@ package local
 
 import (
 	"os"
+
+	"github.com/pkg/errors"
+
+	"github.com/containerd/containerd/content"
+	"github.com/containerd/containerd/errdefs"
 )
 
 // readerat implements io.ReaderAt in a completely stateless manner by opening
@@ -27,6 +32,29 @@ type sizeReaderAt struct {
 	fp   *os.File
 }
 
+// OpenReader creates ReaderAt from a file
+func OpenReader(p string) (content.ReaderAt, error) {
+	fi, err := os.Stat(p)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return nil, err
+		}
+
+		return nil, errors.Wrap(errdefs.ErrNotFound, "blob not found")
+	}
+
+	fp, err := os.Open(p)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return nil, err
+		}
+
+		return nil, errors.Wrap(errdefs.ErrNotFound, "blob not found")
+	}
+
+	return sizeReaderAt{size: fi.Size(), fp: fp}, nil
+}
+
 func (ra sizeReaderAt) ReadAt(p []byte, offset int64) (int, error) {
 	return ra.fp.ReadAt(p, offset)
 }

vendor/github.com/containerd/containerd/content/local/store.go

@@ -131,25 +131,13 @@ func (s *store) ReaderAt(ctx context.Context, desc ocispec.Descriptor) (content.
 	if err != nil {
 		return nil, errors.Wrapf(err, "calculating blob path for ReaderAt")
 	}
-	fi, err := os.Stat(p)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return nil, err
-		}
 
-		return nil, errors.Wrapf(errdefs.ErrNotFound, "blob %s expected at %s", desc.Digest, p)
+	reader, err := OpenReader(p)
+	if err != nil {
+		return nil, errors.Wrapf(err, "blob %s expected at %s", desc.Digest, p)
 	}
 
-	fp, err := os.Open(p)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return nil, err
-		}
-
-		return nil, errors.Wrapf(errdefs.ErrNotFound, "blob %s expected at %s", desc.Digest, p)
-	}
-
-	return sizeReaderAt{size: fi.Size(), fp: fp}, nil
+	return reader, nil
 }
 
 // Delete removes a blob by its digest.
@@ -240,9 +228,14 @@ func (s *store) Update(ctx context.Context, info content.Info, fieldpaths ...str
 	return info, nil
 }
 
-func (s *store) Walk(ctx context.Context, fn content.WalkFunc, filters ...string) error {
-	// TODO: Support filters
+func (s *store) Walk(ctx context.Context, fn content.WalkFunc, fs ...string) error {
 	root := filepath.Join(s.root, "blobs")
+
+	filter, err := filters.ParseAll(fs...)
+	if err != nil {
+		return err
+	}
+
 	var alg digest.Algorithm
 	return filepath.Walk(root, func(path string, fi os.FileInfo, err error) error {
 		if err != nil {
@@ -286,7 +279,12 @@ func (s *store) Walk(ctx context.Context, fn content.WalkFunc, filters ...string
 				return err
 			}
 		}
-		return fn(s.info(dgst, fi, labels))
+
+		info := s.info(dgst, fi, labels)
+		if !filter.Match(content.AdaptInfo(info)) {
+			return nil
+		}
+		return fn(info)
 	})
 }
 

vendor/github.com/containerd/containerd/content/local/store_unix.go

@@ -1,4 +1,4 @@
-// +build linux solaris darwin freebsd netbsd
+// +build linux solaris darwin freebsd netbsd openbsd
 
 /*
    Copyright The containerd Authors.