Merge pull request #928 from AkihiroSuda/oci-rc6

vendor: OCI Image Spec v1.0.0-rc6

cmd/ctr/checkpoint.go

@@ -104,24 +104,20 @@ var checkpointCommand = cli.Command{
 				return err
 			}
 		}
-		var index ocispec.ImageIndex
+		var index ocispec.Index
 		for _, d := range append(checkpoint.Descriptors, additionalDescriptors...) {
-			index.Manifests = append(index.Manifests, ocispec.ManifestDescriptor{
+			index.Manifests = append(index.Manifests, ocispec.Descriptor{
-				Descriptor: ocispec.Descriptor{
+				MediaType: d.MediaType,
-					MediaType: d.MediaType,
+				Size:      d.Size_,
-					Size:      d.Size_,
+				Digest:    d.Digest,
-					Digest:    d.Digest,
+				Platform: &ocispec.Platform{
-				},
-				Platform: ocispec.Platform{
 					OS:           runtime.GOOS,
 					Architecture: runtime.GOARCH,
 				},
 			})
 		}
 		// add image to the index
-		index.Manifests = append(index.Manifests, ocispec.ManifestDescriptor{
+		index.Manifests = append(index.Manifests, image.Target)
-			Descriptor: image.Target,
-		})
 		// checkpoint rw layer
 		snapshotter, err := getSnapshotter(context)
 		if err != nil {
@@ -135,13 +131,11 @@ var checkpointCommand = cli.Command{
 		if err != nil {
 			return err
 		}
-		index.Manifests = append(index.Manifests, ocispec.ManifestDescriptor{
+		rw.Platform = &ocispec.Platform{
-			Descriptor: rw,
+			OS:           runtime.GOOS,
-			Platform: ocispec.Platform{
+			Architecture: runtime.GOARCH,
-				OS:           runtime.GOOS,
+		}
-				Architecture: runtime.GOARCH,
+		index.Manifests = append(index.Manifests, rw)
-			},
-		})
 		data, err := json.Marshal(index)
 		if err != nil {
 			return err

cmd/ctr/run.go

@@ -132,7 +132,7 @@ var runCommand = cli.Command{
 		}
 		var spec []byte
 		if checkpointIndex != "" {
-			var index ocispec.ImageIndex
+			var index ocispec.Index
 			r, err := content.Reader(ctx, checkpointIndex)
 			if err != nil {
 				return err
@@ -146,7 +146,7 @@ var runCommand = cli.Command{
 			for _, m := range index.Manifests {
 				switch m.MediaType {
 				case images.MediaTypeContainerd1Checkpoint:
-					fkingo := m.Descriptor
+					fkingo := m
 					checkpoint = &fkingo
 				case images.MediaTypeContainerd1CheckpointConfig:
 					if r, err = content.Reader(ctx, m.Digest); err != nil {
@@ -159,7 +159,7 @@ var runCommand = cli.Command{
 					}
 				case images.MediaTypeDockerSchema2Manifest:
 					// make sure we have the original image that was used during checkpoint
-					diffIDs, err := images.RootFS(ctx, content, m.Descriptor)
+					diffIDs, err := images.RootFS(ctx, content, m)
 					if err != nil {
 						return err
 					}
@@ -169,7 +169,7 @@ var runCommand = cli.Command{
 						}
 					}
 				case ocispec.MediaTypeImageLayer:
-					rw = m.Descriptor
+					rw = m
 				}
 			}
 			if mounts, err = snapshotter.Mounts(ctx, id); err != nil {

vendor.conf

@@ -28,7 +28,7 @@ github.com/pkg/errors v0.8.0
 github.com/nightlyone/lockfile 1d49c987357a327b5b03aa84cbddd582c328615d
 github.com/opencontainers/go-digest 21dfd564fd89c944783d00d069f33e3e7123c448
 golang.org/x/sys f3918c30c5c2cb527c0b071a27c35120a6c0719a
-github.com/opencontainers/image-spec v1.0.0-rc5
+github.com/opencontainers/image-spec v1.0.0-rc6
 github.com/containerd/continuity f4ad4294c92f596c9241947c416d1297f9faf3ea
 golang.org/x/sync 450f422ab23cf9881c94e2db30cac0eb1b7cf80c
 github.com/BurntSushi/toml v0.2.0-21-g9906417

vendor/github.com/opencontainers/image-spec/README.md

@@ -7,7 +7,7 @@
 
 The OCI Image Format project creates and maintains the software shipping container image format spec (OCI Image Format).
 
-The specification can be found [here](spec.md).
+**[The specification can be found here](spec.md).**
 
 This repository also provides [Go types](specs-go), [intra-blob validation tooling, and JSON Schema](schema).
 The Go types and validation should be compatible with the current Go release; earlier Go releases are not supported.
@@ -42,22 +42,13 @@ To support this UX the OCI Image Format contains sufficient information to launc
 A: Distribution, for example using HTTP as both Docker v2.2 and AppC do today, is currently out of scope on the [OCI Scope Table](https://www.opencontainers.org/about/oci-scope-table).
 There has been [some discussion on the TOB mailing list](https://groups.google.com/a/opencontainers.org/d/msg/tob/A3JnmI-D-6Y/tLuptPDHAgAJ) to make distribution an optional layer, but this topic is a work in progress.
 
-**Q: Why a new project?**
-
-A: The [first OCI spec](https://github.com/opencontainers/runtime-spec) centered around defining the run side of a container.
-This is generally seen to be an orthogonal concern to the shipping container component.
-As practical examples of this separation you see many organizations separating these concerns into different teams and organizations: the Docker Distribution project and the Docker containerd project; Amazon ECS and Amazon EC2 Container Registry, etc.
-
-**Q: Why work on this?**
-
-A: We are seeing many independent implementations of container image handling including build systems, registries, and image analysis tools.
-As an organization we would like to encourage this growth and bring people together to ensure a technically correct and open specification continues to evolve reflecting the OCI values.
-
 **Q: What happens to AppC or Docker Image Formats?**
 
 A: Existing formats can continue to be a proving ground for technologies, as needed.
 The OCI Image Format project strives to provide a dependable open specification that can be shared between different tools and be evolved for years or decades of compatibility; as the deb and rpm format have.
 
+Find more [FAQ on the OCI site](https://www.opencontainers.org/faq).
+
 ## Roadmap
 
 The [GitHub milestones](https://github.com/opencontainers/image-spec/milestones) lay out the path to the OCI v1.0.0 release in late 2016.
@@ -85,7 +76,7 @@ When in doubt, start on the [mailing-list](#mailing-list).
 The contributors and maintainers of all OCI projects have a weekly meeting Wednesdays at 2:00 PM (USA Pacific).
 Everyone is welcome to participate via [UberConference web][UberConference] or audio-only: +1-415-968-0849 (no PIN needed).
 An initial agenda will be posted to the [mailing list](#mailing-list) earlier in the week, and everyone is welcome to propose additional topics or suggest other agenda alterations there.
-Minutes are posted to the [mailing list](#mailing-list) and minutes from past calls are archived to the [wiki](https://github.com/opencontainers/runtime-spec/wiki) for those who are unable to join the call.
+Minutes are posted to the [mailing list](#mailing-list) and minutes from past calls are archived [here][minutes].
 
 ## Mailing List
 
@@ -173,3 +164,4 @@ Read more on [How to Write a Git Commit Message](http://chris.beams.io/posts/git
 
 [UberConference]: https://www.uberconference.com/opencontainers
 [irc-logs]: http://ircbot.wl.linuxfoundation.org/eavesdrop/%23opencontainers/
+[minutes]: http://ircbot.wl.linuxfoundation.org/meetings/opencontainers/

vendor/github.com/opencontainers/image-spec/specs-go/v1/config.go

@@ -14,7 +14,11 @@
 
 package v1
 
-import "time"
+import (
+	"time"
+
+	digest "github.com/opencontainers/go-digest"
+)
 
 // ImageConfig defines the execution parameters which should be used as a base when running a container using an image.
 type ImageConfig struct {
@@ -40,7 +44,10 @@ type ImageConfig struct {
 	WorkingDir string `json:"WorkingDir,omitempty"`
 
 	// Labels contains arbitrary metadata for the container.
-	Labels map[string]string `json:"labels,omitempty"`
+	Labels map[string]string `json:"Labels,omitempty"`
+
+	// StopSignal contains the system call signal that will be sent to the container to exit.
+	StopSignal string `json:"StopSignal,omitempty"`
 }
 
 // RootFS describes a layer content addresses
@@ -49,13 +56,13 @@ type RootFS struct {
 	Type string `json:"type"`
 
 	// DiffIDs is an array of layer content hashes (DiffIDs), in order from bottom-most to top-most.
-	DiffIDs []string `json:"diff_ids"`
+	DiffIDs []digest.Digest `json:"diff_ids"`
 }
 
 // History describes the history of a layer.
 type History struct {
 	// Created is the combined date and time at which the layer was created, formatted as defined by RFC 3339, section 5.6.
-	Created time.Time `json:"created,omitempty"`
+	Created *time.Time `json:"created,omitempty"`
 
 	// CreatedBy is the command which created the layer.
 	CreatedBy string `json:"created_by,omitempty"`
@@ -74,7 +81,7 @@ type History struct {
 // This provides the `application/vnd.oci.image.config.v1+json` mediatype when marshalled to JSON.
 type Image struct {
 	// Created is the combined date and time at which the image was created, formatted as defined by RFC 3339, section 5.6.
-	Created time.Time `json:"created,omitempty"`
+	Created *time.Time `json:"created,omitempty"`
 
 	// Author defines the name and/or email address of the person or entity which created and is responsible for maintaining the image.
 	Author string `json:"author,omitempty"`

vendor/github.com/opencontainers/image-spec/specs-go/v1/descriptor.go

@@ -17,7 +17,8 @@ package v1
 import digest "github.com/opencontainers/go-digest"
 
 // Descriptor describes the disposition of targeted content.
-// This structure provides `application/vnd.oci.descriptor.v1+json` mediatype when marshalled to JSON
+// This structure provides `application/vnd.oci.descriptor.v1+json` mediatype
+// when marshalled to JSON.
 type Descriptor struct {
 	// MediaType is the media type of the object this schema refers to.
 	MediaType string `json:"mediaType,omitempty"`
@@ -33,4 +34,31 @@ type Descriptor struct {
 
 	// Annotations contains arbitrary metadata relating to the targeted content.
 	Annotations map[string]string `json:"annotations,omitempty"`
+
+	// Platform describes the platform which the image in the manifest runs on.
+	//
+	// This should only be used when referring to a manifest.
+	Platform *Platform `json:"platform,omitempty"`
+}
+
+// Platform describes the platform which the image in the manifest runs on.
+type Platform struct {
+	// Architecture field specifies the CPU architecture, for example
+	// `amd64` or `ppc64`.
+	Architecture string `json:"architecture"`
+
+	// OS specifies the operating system, for example `linux` or `windows`.
+	OS string `json:"os"`
+
+	// OSVersion is an optional field specifying the operating system
+	// version, for example on Windows `10.0.14393.1066`.
+	OSVersion string `json:"os.version,omitempty"`
+
+	// OSFeatures is an optional field specifying an array of strings,
+	// each listing a required OS feature (for example on Windows `win32k`).
+	OSFeatures []string `json:"os.features,omitempty"`
+
+	// Variant is an optional field specifying a variant of the CPU, for
+	// example `v7` to specify ARMv7 when architecture is `arm`.
+	Variant string `json:"variant,omitempty"`
 }

vendor/github.com/opencontainers/image-spec/specs-go/v1/image_index.go

@@ -1,63 +0,0 @@
-// Copyright 2016 The Linux Foundation
-//
-// 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 v1
-
-import "github.com/opencontainers/image-spec/specs-go"
-
-// Platform describes the platform which the image in the manifest runs on.
-type Platform struct {
-	// Architecture field specifies the CPU architecture, for example
-	// `amd64` or `ppc64`.
-	Architecture string `json:"architecture"`
-
-	// OS specifies the operating system, for example `linux` or `windows`.
-	OS string `json:"os"`
-
-	// OSVersion is an optional field specifying the operating system
-	// version, for example `10.0.10586`.
-	OSVersion string `json:"os.version,omitempty"`
-
-	// OSFeatures is an optional field specifying an array of strings,
-	// each listing a required OS feature (for example on Windows `win32k`).
-	OSFeatures []string `json:"os.features,omitempty"`
-
-	// Variant is an optional field specifying a variant of the CPU, for
-	// example `ppc64le` to specify a little-endian version of a PowerPC CPU.
-	Variant string `json:"variant,omitempty"`
-
-	// Features is an optional field specifying an array of strings, each
-	// listing a required CPU feature (for example `sse4` or `aes`).
-	Features []string `json:"features,omitempty"`
-}
-
-// ManifestDescriptor describes a platform specific manifest.
-type ManifestDescriptor struct {
-	Descriptor
-
-	// Platform describes the platform which the image in the manifest runs on.
-	Platform Platform `json:"platform"`
-}
-
-// ImageIndex references manifests for various platforms.
-// This structure provides `application/vnd.oci.image.index.v1+json` mediatype when marshalled to JSON.
-type ImageIndex struct {
-	specs.Versioned
-
-	// Manifests references platform specific manifests.
-	Manifests []ManifestDescriptor `json:"manifests"`
-
-	// Annotations contains arbitrary metadata for the image index.
-	Annotations map[string]string `json:"annotations,omitempty"`
-}

vendor/github.com/opencontainers/image-spec/specs-go/v1/index.go

@@ -0,0 +1,29 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+import "github.com/opencontainers/image-spec/specs-go"
+
+// Index references manifests for various platforms.
+// This structure provides `application/vnd.oci.image.index.v1+json` mediatype when marshalled to JSON.
+type Index struct {
+	specs.Versioned
+
+	// Manifests references platform specific manifests.
+	Manifests []Descriptor `json:"manifests"`
+
+	// Annotations contains arbitrary metadata for the image index.
+	Annotations map[string]string `json:"annotations,omitempty"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go

@@ -27,6 +27,6 @@ type Manifest struct {
 	// Layers is an indexed list of layers referenced by the manifest.
 	Layers []Descriptor `json:"layers"`
 
-	// Annotations contains arbitrary metadata for the manifest.
+	// Annotations contains arbitrary metadata for the image manifest.
 	Annotations map[string]string `json:"annotations,omitempty"`
 }

vendor/github.com/opencontainers/image-spec/specs-go/v1/mediatype.go

@@ -18,6 +18,9 @@ const (
 	// MediaTypeDescriptor specifies the media type for a content descriptor.
 	MediaTypeDescriptor = "application/vnd.oci.descriptor.v1+json"
 
+	// MediaTypeLayoutHeader specifies the media type for the oci-layout.
+	MediaTypeLayoutHeader = "application/vnd.oci.layout.header.v1+json"
+
 	// MediaTypeImageManifest specifies the media type for an image manifest.
 	MediaTypeImageManifest = "application/vnd.oci.image.manifest.v1+json"
 

vendor/github.com/opencontainers/image-spec/specs-go/version.go

@@ -25,7 +25,7 @@ const (
 	VersionPatch = 0
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = "-rc5"
+	VersionDev = "-rc6-dev"
 )
 
 // Version is the specification version that the package types support.