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Bump docker and dependencies

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Updates docker/docker to 1436dc8f8d0f6f60b6e335fbd918d6b22ee6574d,
matching 18.06.0-rc1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2018-06-29 17:17:00 +02:00
committed by Tibor Vass
parent ea65e9043c
commit 5f6d5c7328
44 changed files with 2776 additions and 580 deletions
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Apache License
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4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
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(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
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of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
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within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
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END OF TERMS AND CONDITIONS
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
https://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.

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Docker
Copyright 2012-2015 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
The following is courtesy of our legal counsel:
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see https://www.bis.doc.gov
See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.

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![banner](/docs/static/img/containerd-dark.png?raw=true)
[![GoDoc](https://godoc.org/github.com/containerd/containerd?status.svg)](https://godoc.org/github.com/containerd/containerd)
[![Build Status](https://travis-ci.org/containerd/containerd.svg?branch=master)](https://travis-ci.org/containerd/containerd)
[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd?ref=badge_shield)
[![Go Report Card](https://goreportcard.com/badge/github.com/containerd/containerd)](https://goreportcard.com/report/github.com/containerd/containerd)
[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1271/badge)](https://bestpractices.coreinfrastructure.org/projects/1271)
containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Linux and Windows, which can manage the complete container lifecycle of its host system: image transfer and storage, container execution and supervision, low-level storage and network attachments, etc.
containerd is designed to be embedded into a larger system, rather than being used directly by developers or end-users.
![architecture](design/architecture.png)
## Getting Started
See our documentation on [containerd.io](https://containerd.io):
* [for ops and admins](docs/ops.md)
* [namespaces](docs/namespaces.md)
* [client options](docs/client-opts.md)
See how to build containerd from source at [BUILDING](BUILDING.md).
If you are interested in trying out containerd see our example at [Getting Started](docs/getting-started.md).
## Runtime Requirements
Runtime requirements for containerd are very minimal. Most interactions with
the Linux and Windows container feature sets are handled via [runc](https://github.com/opencontainers/runc) and/or
OS-specific libraries (e.g. [hcsshim](https://github.com/Microsoft/hcsshim) for Microsoft). The current required version of `runc` is always listed in [RUNC.md](/RUNC.md).
There are specific features
used by containerd core code and snapshotters that will require a minimum kernel
version on Linux. With the understood caveat of distro kernel versioning, a
reasonable starting point for Linux is a minimum 4.x kernel version.
The overlay filesystem snapshotter, used by default, uses features that were
finalized in the 4.x kernel series. If you choose to use btrfs, there may
be more flexibility in kernel version (minimum recommended is 3.18), but will
require the btrfs kernel module and btrfs tools to be installed on your Linux
distribution.
To use Linux checkpoint and restore features, you will need `criu` installed on
your system. See more details in [Checkpoint and Restore](#checkpoint-and-restore).
Build requirements for developers are listed in [BUILDING](BUILDING.md).
## Features
### Client
containerd offers a full client package to help you integrate containerd into your platform.
```go
import (
"github.com/containerd/containerd"
"github.com/containerd/containerd/cio"
)
func main() {
client, err := containerd.New("/run/containerd/containerd.sock")
defer client.Close()
}
```
### Namespaces
Namespaces allow multiple consumers to use the same containerd without conflicting with each other. It has the benefit of sharing content but still having separation with containers and images.
To set a namespace for requests to the API:
```go
context = context.Background()
// create a context for docker
docker = namespaces.WithNamespace(context, "docker")
containerd, err := client.NewContainer(docker, "id")
```
To set a default namespace on the client:
```go
client, err := containerd.New(address, containerd.WithDefaultNamespace("docker"))
```
### Distribution
```go
// pull an image
image, err := client.Pull(context, "docker.io/library/redis:latest")
// push an image
err := client.Push(context, "docker.io/library/redis:latest", image.Target())
```
### Containers
In containerd, a container is a metadata object. Resources such as an OCI runtime specification, image, root filesystem, and other metadata can be attached to a container.
```go
redis, err := client.NewContainer(context, "redis-master")
defer redis.Delete(context)
```
### OCI Runtime Specification
containerd fully supports the OCI runtime specification for running containers. We have built in functions to help you generate runtime specifications based on images as well as custom parameters.
You can specify options when creating a container about how to modify the specification.
```go
redis, err := client.NewContainer(context, "redis-master", containerd.WithNewSpec(oci.WithImageConfig(image)))
```
### Root Filesystems
containerd allows you to use overlay or snapshot filesystems with your containers. It comes with builtin support for overlayfs and btrfs.
```go
// pull an image and unpack it into the configured snapshotter
image, err := client.Pull(context, "docker.io/library/redis:latest", containerd.WithPullUnpack)
// allocate a new RW root filesystem for a container based on the image
redis, err := client.NewContainer(context, "redis-master",
containerd.WithNewSnapshot("redis-rootfs", image),
containerd.WithNewSpec(oci.WithImageConfig(image)),
)
// use a readonly filesystem with multiple containers
for i := 0; i < 10; i++ {
id := fmt.Sprintf("id-%s", i)
container, err := client.NewContainer(ctx, id,
containerd.WithNewSnapshotView(id, image),
containerd.WithNewSpec(oci.WithImageConfig(image)),
)
}
```
### Tasks
Taking a container object and turning it into a runnable process on a system is done by creating a new `Task` from the container. A task represents the runnable object within containerd.
```go
// create a new task
task, err := redis.NewTask(context, cio.Stdio)
defer task.Delete(context)
// the task is now running and has a pid that can be use to setup networking
// or other runtime settings outside of containerd
pid := task.Pid()
// start the redis-server process inside the container
err := task.Start(context)
// wait for the task to exit and get the exit status
status, err := task.Wait(context)
```
### Checkpoint and Restore
If you have [criu](https://criu.org/Main_Page) installed on your machine you can checkpoint and restore containers and their tasks. This allow you to clone and/or live migrate containers to other machines.
```go
// checkpoint the task then push it to a registry
checkpoint, err := task.Checkpoint(context, containerd.WithExit)
err := client.Push(context, "myregistry/checkpoints/redis:master", checkpoint)
// on a new machine pull the checkpoint and restore the redis container
image, err := client.Pull(context, "myregistry/checkpoints/redis:master")
checkpoint := image.Target()
redis, err = client.NewContainer(context, "redis-master", containerd.WithCheckpoint(checkpoint, "redis-rootfs"))
defer container.Delete(context)
task, err = redis.NewTask(context, cio.Stdio, containerd.WithTaskCheckpoint(checkpoint))
defer task.Delete(context)
err := task.Start(context)
```
### Releases and API Stability
Please see [RELEASES.md](RELEASES.md) for details on versioning and stability
of containerd components.
### Development reports.
Weekly summary on the progress and what is being worked on.
https://github.com/containerd/containerd/tree/master/reports
### Communication
For async communication and long running discussions please use issues and pull requests on the github repo.
This will be the best place to discuss design and implementation.
For sync communication we have a community slack with a #containerd channel that everyone is welcome to join and chat about development.
**Slack:** https://dockr.ly/community
### Reporting security issues
__If you are reporting a security issue, please reach out discreetly at security@containerd.io__.
## Licenses
The containerd codebase is released under the [Apache 2.0 license](LICENSE.code).
The README.md file, and files in the "docs" folder are licensed under the
Creative Commons Attribution 4.0 International License. You may obtain a
copy of the license, titled CC-BY-4.0, at http://creativecommons.org/licenses/by/4.0/.

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/*
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 errdefs defines the common errors used throughout containerd
// packages.
//
// Use with errors.Wrap and error.Wrapf to add context to an error.
//
// To detect an error class, use the IsXXX functions to tell whether an error
// is of a certain type.
//
// The functions ToGRPC and FromGRPC can be used to map server-side and
// client-side errors to the correct types.
package errdefs
import "github.com/pkg/errors"
// Definitions of common error types used throughout containerd. All containerd
// errors returned by most packages will map into one of these errors classes.
// Packages should return errors of these types when they want to instruct a
// client to take a particular action.
//
// For the most part, we just try to provide local grpc errors. Most conditions
// map very well to those defined by grpc.
var (
ErrUnknown = errors.New("unknown") // used internally to represent a missed mapping.
ErrInvalidArgument = errors.New("invalid argument")
ErrNotFound = errors.New("not found")
ErrAlreadyExists = errors.New("already exists")
ErrFailedPrecondition = errors.New("failed precondition")
ErrUnavailable = errors.New("unavailable")
ErrNotImplemented = errors.New("not implemented") // represents not supported and unimplemented
)
// IsInvalidArgument returns true if the error is due to an invalid argument
func IsInvalidArgument(err error) bool {
return errors.Cause(err) == ErrInvalidArgument
}
// IsNotFound returns true if the error is due to a missing object
func IsNotFound(err error) bool {
return errors.Cause(err) == ErrNotFound
}
// IsAlreadyExists returns true if the error is due to an already existing
// metadata item
func IsAlreadyExists(err error) bool {
return errors.Cause(err) == ErrAlreadyExists
}
// IsFailedPrecondition returns true if an operation could not proceed to the
// lack of a particular condition
func IsFailedPrecondition(err error) bool {
return errors.Cause(err) == ErrFailedPrecondition
}
// IsUnavailable returns true if the error is due to a resource being unavailable
func IsUnavailable(err error) bool {
return errors.Cause(err) == ErrUnavailable
}
// IsNotImplemented returns true if the error is due to not being implemented
func IsNotImplemented(err error) bool {
return errors.Cause(err) == ErrNotImplemented
}

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/*
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 errdefs
import (
"strings"
"github.com/pkg/errors"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// ToGRPC will attempt to map the backend containerd error into a grpc error,
// using the original error message as a description.
//
// Further information may be extracted from certain errors depending on their
// type.
//
// If the error is unmapped, the original error will be returned to be handled
// by the regular grpc error handling stack.
func ToGRPC(err error) error {
if err == nil {
return nil
}
if isGRPCError(err) {
// error has already been mapped to grpc
return err
}
switch {
case IsInvalidArgument(err):
return status.Errorf(codes.InvalidArgument, err.Error())
case IsNotFound(err):
return status.Errorf(codes.NotFound, err.Error())
case IsAlreadyExists(err):
return status.Errorf(codes.AlreadyExists, err.Error())
case IsFailedPrecondition(err):
return status.Errorf(codes.FailedPrecondition, err.Error())
case IsUnavailable(err):
return status.Errorf(codes.Unavailable, err.Error())
case IsNotImplemented(err):
return status.Errorf(codes.Unimplemented, err.Error())
}
return err
}
// ToGRPCf maps the error to grpc error codes, assembling the formatting string
// and combining it with the target error string.
//
// This is equivalent to errors.ToGRPC(errors.Wrapf(err, format, args...))
func ToGRPCf(err error, format string, args ...interface{}) error {
return ToGRPC(errors.Wrapf(err, format, args...))
}
// FromGRPC returns the underlying error from a grpc service based on the grpc error code
func FromGRPC(err error) error {
if err == nil {
return nil
}
var cls error // divide these into error classes, becomes the cause
switch code(err) {
case codes.InvalidArgument:
cls = ErrInvalidArgument
case codes.AlreadyExists:
cls = ErrAlreadyExists
case codes.NotFound:
cls = ErrNotFound
case codes.Unavailable:
cls = ErrUnavailable
case codes.FailedPrecondition:
cls = ErrFailedPrecondition
case codes.Unimplemented:
cls = ErrNotImplemented
default:
cls = ErrUnknown
}
msg := rebaseMessage(cls, err)
if msg != "" {
err = errors.Wrapf(cls, msg)
} else {
err = errors.WithStack(cls)
}
return err
}
// rebaseMessage removes the repeats for an error at the end of an error
// string. This will happen when taking an error over grpc then remapping it.
//
// Effectively, we just remove the string of cls from the end of err if it
// appears there.
func rebaseMessage(cls error, err error) string {
desc := errDesc(err)
clss := cls.Error()
if desc == clss {
return ""
}
return strings.TrimSuffix(desc, ": "+clss)
}
func isGRPCError(err error) bool {
_, ok := status.FromError(err)
return ok
}
func code(err error) codes.Code {
if s, ok := status.FromError(err); ok {
return s.Code()
}
return codes.Unknown
}
func errDesc(err error) string {
if s, ok := status.FromError(err); ok {
return s.Message()
}
return err.Error()
}

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/*
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 log
import (
"context"
"sync/atomic"
"github.com/sirupsen/logrus"
)
var (
// G is an alias for GetLogger.
//
// We may want to define this locally to a package to get package tagged log
// messages.
G = GetLogger
// L is an alias for the the standard logger.
L = logrus.NewEntry(logrus.StandardLogger())
)
type (
loggerKey struct{}
)
// TraceLevel is the log level for tracing. Trace level is lower than debug level,
// and is usually used to trace detailed behavior of the program.
const TraceLevel = logrus.Level(uint32(logrus.DebugLevel + 1))
// ParseLevel takes a string level and returns the Logrus log level constant.
// It supports trace level.
func ParseLevel(lvl string) (logrus.Level, error) {
if lvl == "trace" {
return TraceLevel, nil
}
return logrus.ParseLevel(lvl)
}
// WithLogger returns a new context with the provided logger. Use in
// combination with logger.WithField(s) for great effect.
func WithLogger(ctx context.Context, logger *logrus.Entry) context.Context {
return context.WithValue(ctx, loggerKey{}, logger)
}
// GetLogger retrieves the current logger from the context. If no logger is
// available, the default logger is returned.
func GetLogger(ctx context.Context) *logrus.Entry {
logger := ctx.Value(loggerKey{})
if logger == nil {
return L
}
return logger.(*logrus.Entry)
}
// Trace logs a message at level Trace with the log entry passed-in.
func Trace(e *logrus.Entry, args ...interface{}) {
level := logrus.Level(atomic.LoadUint32((*uint32)(&e.Logger.Level)))
if level >= TraceLevel {
e.Debug(args...)
}
}
// Tracef logs a message at level Trace with the log entry passed-in.
func Tracef(e *logrus.Entry, format string, args ...interface{}) {
level := logrus.Level(atomic.LoadUint32((*uint32)(&e.Logger.Level)))
if level >= TraceLevel {
e.Debugf(format, args...)
}
}

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/*
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 platforms
import (
"bufio"
"os"
"runtime"
"strings"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/log"
"github.com/pkg/errors"
)
// Present the ARM instruction set architecture, eg: v7, v8
var cpuVariant string
func init() {
if isArmArch(runtime.GOARCH) {
cpuVariant = getCPUVariant()
} else {
cpuVariant = ""
}
}
// For Linux, the kernel has already detected the ABI, ISA and Features.
// So we don't need to access the ARM registers to detect platform information
// by ourselves. We can just parse these information from /proc/cpuinfo
func getCPUInfo(pattern string) (info string, err error) {
if !isLinuxOS(runtime.GOOS) {
return "", errors.Wrapf(errdefs.ErrNotImplemented, "getCPUInfo for OS %s", runtime.GOOS)
}
cpuinfo, err := os.Open("/proc/cpuinfo")
if err != nil {
return "", err
}
defer cpuinfo.Close()
// Start to Parse the Cpuinfo line by line. For SMP SoC, we parse
// the first core is enough.
scanner := bufio.NewScanner(cpuinfo)
for scanner.Scan() {
newline := scanner.Text()
list := strings.Split(newline, ":")
if len(list) > 1 && strings.EqualFold(strings.TrimSpace(list[0]), pattern) {
return strings.TrimSpace(list[1]), nil
}
}
// Check whether the scanner encountered errors
err = scanner.Err()
if err != nil {
return "", err
}
return "", errors.Wrapf(errdefs.ErrNotFound, "getCPUInfo for pattern: %s", pattern)
}
func getCPUVariant() string {
variant, err := getCPUInfo("Cpu architecture")
if err != nil {
log.L.WithError(err).Error("failure getting variant")
return ""
}
switch variant {
case "8":
variant = "v8"
case "7", "7M", "?(12)", "?(13)", "?(14)", "?(15)", "?(16)", "?(17)":
variant = "v7"
case "6", "6TEJ":
variant = "v6"
case "5", "5T", "5TE", "5TEJ":
variant = "v5"
case "4", "4T":
variant = "v4"
case "3":
variant = "v3"
default:
variant = "unknown"
}
return variant
}

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vendor/github.com/containerd/containerd/platforms/database.go generated vendored Normal file
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/*
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 platforms
import (
"runtime"
"strings"
)
// isLinuxOS returns true if the operating system is Linux.
//
// The OS value should be normalized before calling this function.
func isLinuxOS(os string) bool {
return os == "linux"
}
// These function are generated from from https://golang.org/src/go/build/syslist.go.
//
// We use switch statements because they are slightly faster than map lookups
// and use a little less memory.
// isKnownOS returns true if we know about the operating system.
//
// The OS value should be normalized before calling this function.
func isKnownOS(os string) bool {
switch os {
case "android", "darwin", "dragonfly", "freebsd", "linux", "nacl", "netbsd", "openbsd", "plan9", "solaris", "windows", "zos":
return true
}
return false
}
// isArmArch returns true if the architecture is ARM.
//
// The arch value should be normalized before being passed to this function.
func isArmArch(arch string) bool {
switch arch {
case "arm", "arm64":
return true
}
return false
}
// isKnownArch returns true if we know about the architecture.
//
// The arch value should be normalized before being passed to this function.
func isKnownArch(arch string) bool {
switch arch {
case "386", "amd64", "amd64p32", "arm", "armbe", "arm64", "arm64be", "ppc64", "ppc64le", "mips", "mipsle", "mips64", "mips64le", "mips64p32", "mips64p32le", "ppc", "s390", "s390x", "sparc", "sparc64":
return true
}
return false
}
func normalizeOS(os string) string {
if os == "" {
return runtime.GOOS
}
os = strings.ToLower(os)
switch os {
case "macos":
os = "darwin"
}
return os
}
// normalizeArch normalizes the architecture.
func normalizeArch(arch, variant string) (string, string) {
arch, variant = strings.ToLower(arch), strings.ToLower(variant)
switch arch {
case "i386":
arch = "386"
variant = ""
case "x86_64", "x86-64":
arch = "amd64"
variant = ""
case "aarch64", "arm64":
arch = "arm64"
switch variant {
case "8", "v8":
variant = ""
}
case "armhf":
arch = "arm"
variant = "v7"
case "armel":
arch = "arm"
variant = "v6"
case "arm":
switch variant {
case "", "7":
variant = "v7"
case "5", "6", "8":
variant = "v" + variant
}
}
return arch, variant
}

38
vendor/github.com/containerd/containerd/platforms/defaults.go generated vendored Normal file
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/*
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 platforms
import (
"runtime"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// Default returns the default specifier for the platform.
func Default() string {
return Format(DefaultSpec())
}
// DefaultSpec returns the current platform's default platform specification.
func DefaultSpec() specs.Platform {
return specs.Platform{
OS: runtime.GOOS,
Architecture: runtime.GOARCH,
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant,
}
}

268
vendor/github.com/containerd/containerd/platforms/platforms.go generated vendored Normal file
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/*
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 platforms provides a toolkit for normalizing, matching and
// specifying container platforms.
//
// Centered around OCI platform specifications, we define a string-based
// specifier syntax that can be used for user input. With a specifier, users
// only need to specify the parts of the platform that are relevant to their
// context, providing an operating system or architecture or both.
//
// How do I use this package?
//
// The vast majority of use cases should simply use the match function with
// user input. The first step is to parse a specifier into a matcher:
//
// m, err := Parse("linux")
// if err != nil { ... }
//
// Once you have a matcher, use it to match against the platform declared by a
// component, typically from an image or runtime. Since extracting an images
// platform is a little more involved, we'll use an example against the
// platform default:
//
// if ok := m.Match(Default()); !ok { /* doesn't match */ }
//
// This can be composed in loops for resolving runtimes or used as a filter for
// fetch and select images.
//
// More details of the specifier syntax and platform spec follow.
//
// Declaring Platform Support
//
// Components that have strict platform requirements should use the OCI
// platform specification to declare their support. Typically, this will be
// images and runtimes that should make these declaring which platform they
// support specifically. This looks roughly as follows:
//
// type Platform struct {
// Architecture string
// OS string
// Variant string
// }
//
// Most images and runtimes should at least set Architecture and OS, according
// to their GOARCH and GOOS values, respectively (follow the OCI image
// specification when in doubt). ARM should set variant under certain
// discussions, which are outlined below.
//
// Platform Specifiers
//
// While the OCI platform specifications provide a tool for components to
// specify structured information, user input typically doesn't need the full
// context and much can be inferred. To solve this problem, we introduced
// "specifiers". A specifier has the format
// `<os>|<arch>|<os>/<arch>[/<variant>]`. The user can provide either the
// operating system or the architecture or both.
//
// An example of a common specifier is `linux/amd64`. If the host has a default
// of runtime that matches this, the user can simply provide the component that
// matters. For example, if a image provides amd64 and arm64 support, the
// operating system, `linux` can be inferred, so they only have to provide
// `arm64` or `amd64`. Similar behavior is implemented for operating systems,
// where the architecture may be known but a runtime may support images from
// different operating systems.
//
// Normalization
//
// Because not all users are familiar with the way the Go runtime represents
// platforms, several normalizations have been provided to make this package
// easier to user.
//
// The following are performed for architectures:
//
// Value Normalized
// aarch64 arm64
// armhf arm
// armel arm/v6
// i386 386
// x86_64 amd64
// x86-64 amd64
//
// We also normalize the operating system `macos` to `darwin`.
//
// ARM Support
//
// To qualify ARM architecture, the Variant field is used to qualify the arm
// version. The most common arm version, v7, is represented without the variant
// unless it is explicitly provided. This is treated as equivalent to armhf. A
// previous architecture, armel, will be normalized to arm/v6.
//
// While these normalizations are provided, their support on arm platforms has
// not yet been fully implemented and tested.
package platforms
import (
"regexp"
"runtime"
"strings"
"github.com/containerd/containerd/errdefs"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
)
var (
specifierRe = regexp.MustCompile(`^[A-Za-z0-9_-]+$`)
)
// Matcher matches platforms specifications, provided by an image or runtime.
type Matcher interface {
Match(platform specs.Platform) bool
}
// NewMatcher returns a simple matcher based on the provided platform
// specification. The returned matcher only looks for equality based on os,
// architecture and variant.
//
// One may implement their own matcher if this doesn't provide the the required
// functionality.
//
// Applications should opt to use `Match` over directly parsing specifiers.
func NewMatcher(platform specs.Platform) Matcher {
return &matcher{
Platform: Normalize(platform),
}
}
type matcher struct {
specs.Platform
}
func (m *matcher) Match(platform specs.Platform) bool {
normalized := Normalize(platform)
return m.OS == normalized.OS &&
m.Architecture == normalized.Architecture &&
m.Variant == normalized.Variant
}
func (m *matcher) String() string {
return Format(m.Platform)
}
// Parse parses the platform specifier syntax into a platform declaration.
//
// Platform specifiers are in the format `<os>|<arch>|<os>/<arch>[/<variant>]`.
// The minimum required information for a platform specifier is the operating
// system or architecture. If there is only a single string (no slashes), the
// value will be matched against the known set of operating systems, then fall
// back to the known set of architectures. The missing component will be
// inferred based on the local environment.
func Parse(specifier string) (specs.Platform, error) {
if strings.Contains(specifier, "*") {
// TODO(stevvooe): need to work out exact wildcard handling
return specs.Platform{}, errors.Wrapf(errdefs.ErrInvalidArgument, "%q: wildcards not yet supported", specifier)
}
parts := strings.Split(specifier, "/")
for _, part := range parts {
if !specifierRe.MatchString(part) {
return specs.Platform{}, errors.Wrapf(errdefs.ErrInvalidArgument, "%q is an invalid component of %q: platform specifier component must match %q", part, specifier, specifierRe.String())
}
}
var p specs.Platform
switch len(parts) {
case 1:
// in this case, we will test that the value might be an OS, then look
// it up. If it is not known, we'll treat it as an architecture. Since
// we have very little information about the platform here, we are
// going to be a little more strict if we don't know about the argument
// value.
p.OS = normalizeOS(parts[0])
if isKnownOS(p.OS) {
// picks a default architecture
p.Architecture = runtime.GOARCH
if p.Architecture == "arm" {
// TODO(stevvooe): Resolve arm variant, if not v6 (default)
return specs.Platform{}, errors.Wrapf(errdefs.ErrNotImplemented, "arm support not fully implemented")
}
return p, nil
}
p.Architecture, p.Variant = normalizeArch(parts[0], "")
if p.Architecture == "arm" && p.Variant == "v7" {
p.Variant = ""
}
if isKnownArch(p.Architecture) {
p.OS = runtime.GOOS
return p, nil
}
return specs.Platform{}, errors.Wrapf(errdefs.ErrInvalidArgument, "%q: unknown operating system or architecture", specifier)
case 2:
// In this case, we treat as a regular os/arch pair. We don't care
// about whether or not we know of the platform.
p.OS = normalizeOS(parts[0])
p.Architecture, p.Variant = normalizeArch(parts[1], "")
if p.Architecture == "arm" && p.Variant == "v7" {
p.Variant = ""
}
return p, nil
case 3:
// we have a fully specified variant, this is rare
p.OS = normalizeOS(parts[0])
p.Architecture, p.Variant = normalizeArch(parts[1], parts[2])
if p.Architecture == "arm64" && p.Variant == "" {
p.Variant = "v8"
}
return p, nil
}
return specs.Platform{}, errors.Wrapf(errdefs.ErrInvalidArgument, "%q: cannot parse platform specifier", specifier)
}
// Format returns a string specifier from the provided platform specification.
func Format(platform specs.Platform) string {
if platform.OS == "" {
return "unknown"
}
return joinNotEmpty(platform.OS, platform.Architecture, platform.Variant)
}
func joinNotEmpty(s ...string) string {
var ss []string
for _, s := range s {
if s == "" {
continue
}
ss = append(ss, s)
}
return strings.Join(ss, "/")
}
// Normalize validates and translate the platform to the canonical value.
//
// For example, if "Aarch64" is encountered, we change it to "arm64" or if
// "x86_64" is encountered, it becomes "amd64".
func Normalize(platform specs.Platform) specs.Platform {
platform.OS = normalizeOS(platform.OS)
platform.Architecture, platform.Variant = normalizeArch(platform.Architecture, platform.Variant)
// these fields are deprecated, remove them
platform.OSFeatures = nil
platform.OSVersion = ""
return platform
}

83
vendor/github.com/containerd/containerd/vendor.conf generated vendored Normal file
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@ -0,0 +1,83 @@
github.com/containerd/go-runc f271fa2021de855d4d918dbef83c5fe19db1bdd5
github.com/containerd/console 9290d21dc56074581f619579c43d970b4514bc08
github.com/containerd/cgroups fe281dd265766145e943a034aa41086474ea6130
github.com/containerd/typeurl f6943554a7e7e88b3c14aad190bf05932da84788
github.com/containerd/fifo 3d5202aec260678c48179c56f40e6f38a095738c
github.com/containerd/btrfs 2e1aa0ddf94f91fa282b6ed87c23bf0d64911244
github.com/containerd/continuity d3c23511c1bf5851696cba83143d9cbcd666869b
github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6
github.com/docker/go-metrics 4ea375f7759c82740c893fc030bc37088d2ec098
github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
github.com/docker/go-units v0.3.1
github.com/godbus/dbus c7fdd8b5cd55e87b4e1f4e372cdb1db61dd6c66f
github.com/prometheus/client_golang f4fb1b73fb099f396a7f0036bf86aa8def4ed823
github.com/prometheus/client_model 99fa1f4be8e564e8a6b613da7fa6f46c9edafc6c
github.com/prometheus/common 89604d197083d4781071d3c65855d24ecfb0a563
github.com/prometheus/procfs cb4147076ac75738c9a7d279075a253c0cc5acbd
github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9
github.com/matttproud/golang_protobuf_extensions v1.0.0
github.com/gogo/protobuf v1.0.0
github.com/gogo/googleapis 08a7655d27152912db7aaf4f983275eaf8d128ef
github.com/golang/protobuf v1.1.0
github.com/opencontainers/runtime-spec v1.0.1
github.com/opencontainers/runc 69663f0bd4b60df09991c08812a60108003fa340
github.com/sirupsen/logrus v1.0.0
github.com/urfave/cli 7bc6a0acffa589f415f88aca16cc1de5ffd66f9c
golang.org/x/net b3756b4b77d7b13260a0a2ec658753cf48922eac
google.golang.org/grpc v1.12.0
github.com/pkg/errors v0.8.0
github.com/opencontainers/go-digest c9281466c8b2f606084ac71339773efd177436e7
golang.org/x/sys 314a259e304ff91bd6985da2a7149bbf91237993 https://github.com/golang/sys
github.com/opencontainers/image-spec v1.0.1
golang.org/x/sync 450f422ab23cf9881c94e2db30cac0eb1b7cf80c
github.com/BurntSushi/toml a368813c5e648fee92e5f6c30e3944ff9d5e8895
github.com/grpc-ecosystem/go-grpc-prometheus 6b7015e65d366bf3f19b2b2a000a831940f0f7e0
github.com/Microsoft/go-winio v0.4.7
github.com/Microsoft/hcsshim v0.6.11
github.com/boltdb/bolt e9cf4fae01b5a8ff89d0ec6b32f0d9c9f79aefdd
google.golang.org/genproto d80a6e20e776b0b17a324d0ba1ab50a39c8e8944
golang.org/x/text 19e51611da83d6be54ddafce4a4af510cb3e9ea4
github.com/stevvooe/ttrpc d4528379866b0ce7e9d71f3eb96f0582fc374577
github.com/syndtr/gocapability db04d3cc01c8b54962a58ec7e491717d06cfcc16
gotest.tools v2.1.0
github.com/google/go-cmp v0.1.0
github.com/containerd/cri 8bcb9a95394e8d7845da1d6a994d3ac2a86d22f0
github.com/containerd/go-cni f2d7272f12d045b16ed924f50e91f9f9cecc55a7
github.com/blang/semver v3.1.0
github.com/containernetworking/cni v0.6.0
github.com/containernetworking/plugins v0.7.0
github.com/davecgh/go-spew v1.1.0
github.com/docker/distribution b38e5838b7b2f2ad48e06ec4b500011976080621
github.com/docker/docker 86f080cff0914e9694068ed78d503701667c4c00
github.com/docker/spdystream 449fdfce4d962303d702fec724ef0ad181c92528
github.com/emicklei/go-restful ff4f55a206334ef123e4f79bbf348980da81ca46
github.com/ghodss/yaml 73d445a93680fa1a78ae23a5839bad48f32ba1ee
github.com/golang/glog 44145f04b68cf362d9c4df2182967c2275eaefed
github.com/google/gofuzz 44d81051d367757e1c7c6a5a86423ece9afcf63c
github.com/hashicorp/errwrap 7554cd9344cec97297fa6649b055a8c98c2a1e55
github.com/hashicorp/go-multierror ed905158d87462226a13fe39ddf685ea65f1c11f
github.com/json-iterator/go 1.0.4
github.com/opencontainers/runtime-tools 6073aff4ac61897f75895123f7e24135204a404d
github.com/opencontainers/selinux 4a2974bf1ee960774ffd517717f1f45325af0206
github.com/seccomp/libseccomp-golang 32f571b70023028bd57d9288c20efbcb237f3ce0
github.com/spf13/pflag v1.0.0
github.com/tchap/go-patricia 5ad6cdb7538b0097d5598c7e57f0a24072adf7dc
golang.org/x/crypto 49796115aa4b964c318aad4f3084fdb41e9aa067
golang.org/x/time f51c12702a4d776e4c1fa9b0fabab841babae631
gopkg.in/inf.v0 3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4
gopkg.in/yaml.v2 53feefa2559fb8dfa8d81baad31be332c97d6c77
k8s.io/api 7e796de92438aede7cb5d6bcf6c10f4fa65db560
k8s.io/apimachinery fcb9a12f7875d01f8390b28faedc37dcf2e713b9
k8s.io/apiserver 4a8377c547bbff4576a35b5b5bf4026d9b5aa763
k8s.io/client-go b9a0cf870f239c4a4ecfd3feb075a50e7cbe1473
k8s.io/kubernetes v1.10.0
k8s.io/utils 258e2a2fa64568210fbd6267cf1d8fd87c3cb86e
# zfs dependencies
github.com/containerd/zfs 9a0b8b8b5982014b729cd34eb7cd7a11062aa6ec
github.com/mistifyio/go-zfs 166add352731e515512690329794ee593f1aaff2
github.com/pborman/uuid c65b2f87fee37d1c7854c9164a450713c28d50cd
# aufs dependencies
github.com/containerd/aufs a7fbd554da7a9eafbe5a460a421313a9fd18d988