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shimv2: update containerd vendor

Browse Source 
Since the latest containerd's shimv2 had changed the socket
from abstract unix socket to path unix socket, thus we'd
better to update the vendor to match with the latest containerd.

containerd from v1.3.9, v1.4.3 and v1.5.0 used the path unix socket
instead of abstract socket, thus kata wouldn's support the
containerd's version older than them.

Fixes: #1441

short logs:

15d9703d6 Remove ARM64 releases from release notes
    5d2e8e86d Revert "Release artifacts for Linux ARM64"
    7942ae68b Revert "Specify seccomp target arch for CC"
    3187b6dc8 tests: Adds consumed memory stats test
    969ec8949 Specify seccomp target arch for CC
    c19b7b64d RELEASES.md: recommend alternatives for deprecated
features
    8a62aa1c3 Deprecate built-in aufs snapshotter
    4e7915f80 CI: allow Go 1.13 for Docker/Moby compatibility
    8e589e873 Vagrantfile: update to Fedora 34
    5847340a7 tests: Refactors container image usage
    9f43eade6 Prepare v1.5.0-rc.3 release notes
    4c7b960cb prow needs some additional setup for docker buildx
    2e4c1d4b7 Use the multi-arch version of the test images
    4e00c4b65 integration tests needs lsof
    177273680 Add script to build test images
    1b5d59dfe Add multi-arch support for test images
    78e529727 add integration tests
    2b0e6cdd4 Separate jobs for build and test for openlab/arm64
    cdd075853 Release artifacts for Linux ARM64
    efcb18742 Add unit tests for PID NamespaceMode_TARGET validation
    b48f27df6 Support PID NamespaceMode_TARGET
    909660ea9 process: use the unbuffered channel as the done signal
    0f332dadd Update cgroups for regenerated protos
    391b123a5 adds quiet option for ref
    ab1654d0e Fix PushHandler cannot push image that contains duplicated
blobs
    00f8d32ef add not found debug out for check cmd; update usage
    55734b1c5 Prepare 1.5.0-rc.2 release notes
    3ef337ae3 Update containerd vendors to tags
    fbe1e140f Update Go to 1.16.3
    c1d1edbad gha: use sudo -E in some places to prevent dropping
env-vars
    7966a6652 Cleanup code
    5d79d3adb go.mod: update kubernetes to v1.20.6
    1c03c377e go.mod: github.com/containerd/fifo v1.0.0
    12a2a2108 go.mod: github.com/google/uuid v1.2.0
    3292ea586 pkg/seccomp: use sync.Once to speed up IsEnabled
    00b5c99b1 pkg/seccomp: simplify IsEnabled, update doc
    6dd29c25f go.mod: github.com/containerd/aufs
    330a2a809 go.mod: github.com/containerd/zfs
    34780d67a runtime/shim: check the namespace flag first
    c3dde8c4b freebsd: add zfs to the default plugins
    b431fe4fc freebsd: don't run shim delete in deleted dir
    1f4192daf freebsd: exclude v1 runtimes
    cb1580937 metadata: improve deleting a non-empty namespace's error
message
    5bf84034d Remove junit test result processor
    b83d04f91 Add variable names to runtime's interface definitions
    993b86399 Add shim start opts
    9e576b889 Optimize backoff
    5c02688b5 converter: use OpenWriter helper function
    fcf3b275f Add lock for ListPids
    fdb76f55d Fix backword-compatibility issue of non-versioned config
file
    d21fe4625 adds log for each failed host and status not found on host
    8a4cbabc6 Reimport windows layers when comitting snapshots
    2de38a926 fix(windows): create debug npipe failure
    41fc516a2 docs/rootless.md: recommend "easy way" over "hard way"
    864a3322b go.mod: github.com/containerd/go-cni v1.0.2
    ee34caccb go.mod: github.com/Microsoft/go-winio v0.4.17
    d478676d3 go.mod: github.com/containerd/imgcrypt v1.1.1
    1dd45d51c go.mod: github.com/containerd/typeurl v1.0.2
    abd4be07a fix the 404 url
    978ebbef6 Prepare 1.5.0-rc.1 release
    ce116d4c5 go.mod: github.com/containerd/imgcrypt
v1.1.1-0.20210412181126-0bed51b9522c
    0550c3233 containerd-stress: add snapshotter option for stress test
to use
    8a04bd052 address recent runtimes config confusion
    c4778fe1b go.mod: github.com/containernetworking/plugins v0.9.1
    5ce35ac39 devmapper: log pool status when mkfs fails
    75097b8ca hcsshim seems to have been updated
    9ad087947 Switch all our tests to version 2
    e96d2a5d9 Revert "remove two very old no longer used runtime
options"
    14f357b90 CI: update crun to 0.19
    294331060 go.mod: github.com/containerd/console v1.0.2
    bb6c0c2de Add more bolt utils
    0ad8c0a16 Decouple shim start from task creation
    c7504987e Implement windowsDiff.Compare via hcsshim/pkg/ociwclayer
    a64a76846 Replace inline applyWindowsLayer using hcsshim
    149fa366f Don't tease the logger with a %-less format string
    b399e2ef6 Don't lose Compare failure if aborting diff upload fails
    36bf3f0e8 go.mod: github.com/Microsoft/hcsshim v0.8.16
    8e1a8ecd8 Prepare v1.5.0-rc.0
    45df696bf Fix return event publishing error
    4bc8f692f optimize cri redirect logs
    9bc8d63c9 cri/server: use containerd/oci instead of
libcontainer/devices
    dd16b006e merge in the move to the new options type
    9144ce967 shows our runc.v2 default options in the containerd
default config
    3d20fa930 fix TestSetOOMScoreBoundaries
    4d4117415 Change CRI config runtime options type
    21ebeef74 integration: use busybox:1.32.0 since latest is
unavailable
    f9bcf4a8a add section link
    d4be6aa8f rm mirror defaults; doc registry deprecations
    7bb73da6b runtime/v2/shim: remove unused SetScore() and remove
sys.OOMScoreMaxKillable
    91e7d21ee sys: add AdjustOOMScore() utility
    44240116a sys: add boundary checks to SetOOMScore()
    ace1912bb sys: use assert for error checks in OOM tests
    6e7271522 sys: add missing pre-condition checks in tests
    badd60d3f sys: un-export runningPrivileged(), remove
runningUnprivileged()
    21a175860 go.mod github.com/klauspost/compress v1.11.13
    58c5fd09e re-enable cri test
    da998c81e move to gcr.io/k8s-staging-cri-tools test images
    8ba8533bd pkg/cri/opts.WithoutRunMount -> oci.WithoutRunMount
    92ea98eda cri-cni-release: add imgcrypt binaries (v1.1.0)
    4c1fa5719 remotes/docker: Only return "already exists" on push when
the upload was successful
    0186a329e remove two very old no longer used runtime options
    58a07754a Temporarily disable cri-tools critest
    7ae0a60fb Add OCI ref.name to unique key in remotes handler
    5ada2f74a Keep host order as defined in TOML file
    d9ff8ebef support multi-arch images for windows via ctr
    af1e2af72 ci: upload junit formatted test results
    6866b36ab Add workaround to keep docker hosts structs private
    c54d92c79 image: use generic decompressor for calculating DiffID
    1faca349e integration/client: rename package to "client"
    6fc9e4500 synchronize replace rules in integration/client go.mod
with main go.mod
    9e19a2984 Fix hosts test on Windows
    3f406d4af Cleanup vendor
    d56b49c13 Rewrite Docker hosts parser
    e1f51ba73 Use os.File#Seek() to get the size of a block device
    ddd4298a1 Migrate current TOML code to github.com/pelletier/go-toml
    499c2f7d4 Vendor github.com/pelletier/go-toml
    61c749036 integration/util: remove dependency on k8s.io/klog/v2
    d9765f7bf Extend default timeout for nested VM integration run
    5e94745f2 ctr: add --user for task exec
    f8c2f0475 remotes/ctr: allow to limit max concurrent uploads like
downloads
    4674ad7be Ignore some tests on darwin
    55450e773 Run unit tests on CI for MacOS
    311e326a1 Add CI job to cross compile all the things
    10a498c7c Update go-winio to fix compile error on armv7
    1a9c6f557 Revendor zfs to to fix integer overflow
    1fd3d12f9 `go mod tidy` the client integration test module
    da7d96ba3 Clean up WCOW layers after tests in the correct order
    9ad87b9ba adds critools-version
    72b7f4bab task: allow checkpoint on pause state
    e4b9b1038 Make CRI registry docs more clear
    ec4d7736d Increase timeout for linux integration tests
    eb7c7c71e Fix oom tests on non Linux
    708299ca4 Move RunningInUserNS() to its own package
    0886ceaea Fix reference ordering in CRI image store
    bf9db47e8 add caller info to the testHook
    305b42583 use happy-eyeballs for port-forwarding
    22ef69d77 Support HTTP debug in ctr
    01765d097 night ci fix: add packages for ubuntu 20.04
    8cdc1f13b go.mod: github.com/containerd/zfs
v0.0.0-20210322090317-0e92c2247fb7
    30e1e66e5 runtime/v2: Fix defer cleanup
    33776ada0 Use specific image for user namespaces tests
    7704fe72d Specifically mention "mkfs.ext4" on the error from the
command
    1410220d8 Fix error log when copy file
    fe787efa2 Fix error log when kill shim
    8d8c15ca5 contentproxy: ensure grpc stream is closed on commit
    6e343f25e Switch test image to a non rate-limited manifest list
    9fdc96c09 runtime/v2: add comment for checkCopyShimLogError
    24602e7a9 change default runtime for containerd-stress app
    8731888ec Re-enable CRIU tests by not using overlayfs snapshotter
    b520428b5 Fix CRIU
    4e76bcf06 gofmt -s -w all the things
    569023fd5 go.mod: github.com/containerd/nri
v0.0.0-20210316161719-dbaa18c31c14
    0e1f59e89 go.mod: github.com/containerd/zfs
v0.0.0-20210315114300-dde8f0fda960
    ffff68866 upgrade pause image to 3.5 for non-root
    88d3881e1 go.mod: github.com/containerd/fifo
v0.0.0-20210316144830-115abcc95a1d
    a22c43fa4 go.mod: github.com/containerd/aufs
v0.0.0-20210316121734-20793ff83c97
    f6f861736 go.mod: github.com/containerd/btrfs
v0.0.0-20210316141732-918d888fb676
    460b35236 go.mod: kubernetes v1.20.4
    5e484c961 runtime/v2/runc: fix the defer cleanup of the NewContainer
    e6086d9c0 Prepare release notes for v1.5.0-beta.4
    34b7a5f09 Update mailmap
    ba8f9845e move overlay-checks to an overlayutils package
    7776e5ef2 Support adding devices by dir
    d895118c7 runtime/v2/runc: fix leaking socket path
    a76cefd12 plugin status should be skip, not error
    766e7953a Change dgst to digest in debug
    4e8b2f309 rootfs: fix the error handling of the createInitLayer
    d3ad7f390 cmd/ctr: use e.g. in the command usage
    231bbdc37 cmd/ctr: fix export command
    ecb881e5e add imgcrypt stream processors to the default config
    ac2726e12 cmd/containerd: deduplicate config*.go
    9a7ca39cb defaults: add DefaultConfigDir
    8f863afd3 Use net.IP.IsLoopback() to match loopback addresses
    eabd9b98b runtime: ignore file-already-closed error if dead shim

Signed-off-by: fupan.lfp <fupan.lfp@antgroup.com>
This commit is contained in:
fupan.lfp
2021-06-15 19:14:21 +08:00
parent d0ad388721
commit 32c9ae1388
1667 changed files with 158310 additions and 44710 deletions
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202
src/runtime/vendor/github.com/docker/distribution/LICENSE generated vendored
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247
src/runtime/vendor/github.com/docker/distribution/digestset/set.go generated vendored
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@@ -1,247 +0,0 @@
package digestset
import (
"errors"
"sort"
"strings"
"sync"
digest "github.com/opencontainers/go-digest"
)
var (
// ErrDigestNotFound is used when a matching digest
// could not be found in a set.
ErrDigestNotFound = errors.New("digest not found")
// ErrDigestAmbiguous is used when multiple digests
// are found in a set. None of the matching digests
// should be considered valid matches.
ErrDigestAmbiguous = errors.New("ambiguous digest string")
)
// Set is used to hold a unique set of digests which
// may be easily referenced by easily referenced by a string
// representation of the digest as well as short representation.
// The uniqueness of the short representation is based on other
// digests in the set. If digests are omitted from this set,
// collisions in a larger set may not be detected, therefore it
// is important to always do short representation lookups on
// the complete set of digests. To mitigate collisions, an
// appropriately long short code should be used.
type Set struct {
mutex sync.RWMutex
entries digestEntries
}
// NewSet creates an empty set of digests
// which may have digests added.
func NewSet() *Set {
return &Set{
entries: digestEntries{},
}
}
// checkShortMatch checks whether two digests match as either whole
// values or short values. This function does not test equality,
// rather whether the second value could match against the first
// value.
func checkShortMatch(alg digest.Algorithm, hex, shortAlg, shortHex string) bool {
if len(hex) == len(shortHex) {
if hex != shortHex {
return false
}
if len(shortAlg) > 0 && string(alg) != shortAlg {
return false
}
} else if !strings.HasPrefix(hex, shortHex) {
return false
} else if len(shortAlg) > 0 && string(alg) != shortAlg {
return false
}
return true
}
// Lookup looks for a digest matching the given string representation.
// If no digests could be found ErrDigestNotFound will be returned
// with an empty digest value. If multiple matches are found
// ErrDigestAmbiguous will be returned with an empty digest value.
func (dst *Set) Lookup(d string) (digest.Digest, error) {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
if len(dst.entries) == 0 {
return "", ErrDigestNotFound
}
var (
searchFunc func(int) bool
alg digest.Algorithm
hex string
)
dgst, err := digest.Parse(d)
if err == digest.ErrDigestInvalidFormat {
hex = d
searchFunc = func(i int) bool {
return dst.entries[i].val >= d
}
} else {
hex = dgst.Hex()
alg = dgst.Algorithm()
searchFunc = func(i int) bool {
if dst.entries[i].val == hex {
return dst.entries[i].alg >= alg
}
return dst.entries[i].val >= hex
}
}
idx := sort.Search(len(dst.entries), searchFunc)
if idx == len(dst.entries) || !checkShortMatch(dst.entries[idx].alg, dst.entries[idx].val, string(alg), hex) {
return "", ErrDigestNotFound
}
if dst.entries[idx].alg == alg && dst.entries[idx].val == hex {
return dst.entries[idx].digest, nil
}
if idx+1 < len(dst.entries) && checkShortMatch(dst.entries[idx+1].alg, dst.entries[idx+1].val, string(alg), hex) {
return "", ErrDigestAmbiguous
}
return dst.entries[idx].digest, nil
}
// Add adds the given digest to the set. An error will be returned
// if the given digest is invalid. If the digest already exists in the
// set, this operation will be a no-op.
func (dst *Set) Add(d digest.Digest) error {
if err := d.Validate(); err != nil {
return err
}
dst.mutex.Lock()
defer dst.mutex.Unlock()
entry := &digestEntry{alg: d.Algorithm(), val: d.Hex(), digest: d}
searchFunc := func(i int) bool {
if dst.entries[i].val == entry.val {
return dst.entries[i].alg >= entry.alg
}
return dst.entries[i].val >= entry.val
}
idx := sort.Search(len(dst.entries), searchFunc)
if idx == len(dst.entries) {
dst.entries = append(dst.entries, entry)
return nil
} else if dst.entries[idx].digest == d {
return nil
}
entries := append(dst.entries, nil)
copy(entries[idx+1:], entries[idx:len(entries)-1])
entries[idx] = entry
dst.entries = entries
return nil
}
// Remove removes the given digest from the set. An err will be
// returned if the given digest is invalid. If the digest does
// not exist in the set, this operation will be a no-op.
func (dst *Set) Remove(d digest.Digest) error {
if err := d.Validate(); err != nil {
return err
}
dst.mutex.Lock()
defer dst.mutex.Unlock()
entry := &digestEntry{alg: d.Algorithm(), val: d.Hex(), digest: d}
searchFunc := func(i int) bool {
if dst.entries[i].val == entry.val {
return dst.entries[i].alg >= entry.alg
}
return dst.entries[i].val >= entry.val
}
idx := sort.Search(len(dst.entries), searchFunc)
// Not found if idx is after or value at idx is not digest
if idx == len(dst.entries) || dst.entries[idx].digest != d {
return nil
}
entries := dst.entries
copy(entries[idx:], entries[idx+1:])
entries = entries[:len(entries)-1]
dst.entries = entries
return nil
}
// All returns all the digests in the set
func (dst *Set) All() []digest.Digest {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
retValues := make([]digest.Digest, len(dst.entries))
for i := range dst.entries {
retValues[i] = dst.entries[i].digest
}
return retValues
}
// ShortCodeTable returns a map of Digest to unique short codes. The
// length represents the minimum value, the maximum length may be the
// entire value of digest if uniqueness cannot be achieved without the
// full value. This function will attempt to make short codes as short
// as possible to be unique.
func ShortCodeTable(dst *Set, length int) map[digest.Digest]string {
dst.mutex.RLock()
defer dst.mutex.RUnlock()
m := make(map[digest.Digest]string, len(dst.entries))
l := length
resetIdx := 0
for i := 0; i < len(dst.entries); i++ {
var short string
extended := true
for extended {
extended = false
if len(dst.entries[i].val) <= l {
short = dst.entries[i].digest.String()
} else {
short = dst.entries[i].val[:l]
for j := i + 1; j < len(dst.entries); j++ {
if checkShortMatch(dst.entries[j].alg, dst.entries[j].val, "", short) {
if j > resetIdx {
resetIdx = j
}
extended = true
} else {
break
}
}
if extended {
l++
}
}
}
m[dst.entries[i].digest] = short
if i >= resetIdx {
l = length
}
}
return m
}
type digestEntry struct {
alg digest.Algorithm
val string
digest digest.Digest
}
type digestEntries []*digestEntry
func (d digestEntries) Len() int {
return len(d)
}
func (d digestEntries) Less(i, j int) bool {
if d[i].val != d[j].val {
return d[i].val < d[j].val
}
return d[i].alg < d[j].alg
}
func (d digestEntries) Swap(i, j int) {
d[i], d[j] = d[j], d[i]
}

42
src/runtime/vendor/github.com/docker/distribution/reference/helpers.go generated vendored
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@@ -1,42 +0,0 @@
package reference
import "path"
// IsNameOnly returns true if reference only contains a repo name.
func IsNameOnly(ref Named) bool {
if _, ok := ref.(NamedTagged); ok {
return false
}
if _, ok := ref.(Canonical); ok {
return false
}
return true
}
// FamiliarName returns the familiar name string
// for the given named, familiarizing if needed.
func FamiliarName(ref Named) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().Name()
}
return ref.Name()
}
// FamiliarString returns the familiar string representation
// for the given reference, familiarizing if needed.
func FamiliarString(ref Reference) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().String()
}
return ref.String()
}
// FamiliarMatch reports whether ref matches the specified pattern.
// See https://godoc.org/path#Match for supported patterns.
func FamiliarMatch(pattern string, ref Reference) (bool, error) {
matched, err := path.Match(pattern, FamiliarString(ref))
if namedRef, isNamed := ref.(Named); isNamed && !matched {
matched, _ = path.Match(pattern, FamiliarName(namedRef))
}
return matched, err
}

170
src/runtime/vendor/github.com/docker/distribution/reference/normalize.go generated vendored
View File

@@ -1,170 +0,0 @@
package reference
import (
"errors"
"fmt"
"strings"
"github.com/docker/distribution/digestset"
"github.com/opencontainers/go-digest"
)
var (
legacyDefaultDomain = "index.docker.io"
defaultDomain = "docker.io"
officialRepoName = "library"
defaultTag = "latest"
)
// normalizedNamed represents a name which has been
// normalized and has a familiar form. A familiar name
// is what is used in Docker UI. An example normalized
// name is "docker.io/library/ubuntu" and corresponding
// familiar name of "ubuntu".
type normalizedNamed interface {
Named
Familiar() Named
}
// ParseNormalizedNamed parses a string into a named reference
// transforming a familiar name from Docker UI to a fully
// qualified reference. If the value may be an identifier
// use ParseAnyReference.
func ParseNormalizedNamed(s string) (Named, error) {
if ok := anchoredIdentifierRegexp.MatchString(s); ok {
return nil, fmt.Errorf("invalid repository name (%s), cannot specify 64-byte hexadecimal strings", s)
}
domain, remainder := splitDockerDomain(s)
var remoteName string
if tagSep := strings.IndexRune(remainder, ':'); tagSep > -1 {
remoteName = remainder[:tagSep]
} else {
remoteName = remainder
}
if strings.ToLower(remoteName) != remoteName {
return nil, errors.New("invalid reference format: repository name must be lowercase")
}
ref, err := Parse(domain + "/" + remainder)
if err != nil {
return nil, err
}
named, isNamed := ref.(Named)
if !isNamed {
return nil, fmt.Errorf("reference %s has no name", ref.String())
}
return named, nil
}
// splitDockerDomain splits a repository name to domain and remotename string.
// If no valid domain is found, the default domain is used. Repository name
// needs to be already validated before.
func splitDockerDomain(name string) (domain, remainder string) {
i := strings.IndexRune(name, '/')
if i == -1 || (!strings.ContainsAny(name[:i], ".:") && name[:i] != "localhost") {
domain, remainder = defaultDomain, name
} else {
domain, remainder = name[:i], name[i+1:]
}
if domain == legacyDefaultDomain {
domain = defaultDomain
}
if domain == defaultDomain && !strings.ContainsRune(remainder, '/') {
remainder = officialRepoName + "/" + remainder
}
return
}
// familiarizeName returns a shortened version of the name familiar
// to to the Docker UI. Familiar names have the default domain
// "docker.io" and "library/" repository prefix removed.
// For example, "docker.io/library/redis" will have the familiar
// name "redis" and "docker.io/dmcgowan/myapp" will be "dmcgowan/myapp".
// Returns a familiarized named only reference.
func familiarizeName(named namedRepository) repository {
repo := repository{
domain: named.Domain(),
path: named.Path(),
}
if repo.domain == defaultDomain {
repo.domain = ""
// Handle official repositories which have the pattern "library/<official repo name>"
if split := strings.Split(repo.path, "/"); len(split) == 2 && split[0] == officialRepoName {
repo.path = split[1]
}
}
return repo
}
func (r reference) Familiar() Named {
return reference{
namedRepository: familiarizeName(r.namedRepository),
tag: r.tag,
digest: r.digest,
}
}
func (r repository) Familiar() Named {
return familiarizeName(r)
}
func (t taggedReference) Familiar() Named {
return taggedReference{
namedRepository: familiarizeName(t.namedRepository),
tag: t.tag,
}
}
func (c canonicalReference) Familiar() Named {
return canonicalReference{
namedRepository: familiarizeName(c.namedRepository),
digest: c.digest,
}
}
// TagNameOnly adds the default tag "latest" to a reference if it only has
// a repo name.
func TagNameOnly(ref Named) Named {
if IsNameOnly(ref) {
namedTagged, err := WithTag(ref, defaultTag)
if err != nil {
// Default tag must be valid, to create a NamedTagged
// type with non-validated input the WithTag function
// should be used instead
panic(err)
}
return namedTagged
}
return ref
}
// ParseAnyReference parses a reference string as a possible identifier,
// full digest, or familiar name.
func ParseAnyReference(ref string) (Reference, error) {
if ok := anchoredIdentifierRegexp.MatchString(ref); ok {
return digestReference("sha256:" + ref), nil
}
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
return ParseNormalizedNamed(ref)
}
// ParseAnyReferenceWithSet parses a reference string as a possible short
// identifier to be matched in a digest set, a full digest, or familiar name.
func ParseAnyReferenceWithSet(ref string, ds *digestset.Set) (Reference, error) {
if ok := anchoredShortIdentifierRegexp.MatchString(ref); ok {
dgst, err := ds.Lookup(ref)
if err == nil {
return digestReference(dgst), nil
}
} else {
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
}
return ParseNormalizedNamed(ref)
}

433
src/runtime/vendor/github.com/docker/distribution/reference/reference.go generated vendored
View File

@@ -1,433 +0,0 @@
// Package reference provides a general type to represent any way of referencing images within the registry.
// Its main purpose is to abstract tags and digests (content-addressable hash).
//
// Grammar
//
// reference := name [ ":" tag ] [ "@" digest ]
// name := [domain '/'] path-component ['/' path-component]*
// domain := domain-component ['.' domain-component]* [':' port-number]
// domain-component := /([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])/
// port-number := /[0-9]+/
// path-component := alpha-numeric [separator alpha-numeric]*
// alpha-numeric := /[a-z0-9]+/
// separator := /[_.]|__|[-]*/
//
// tag := /[\w][\w.-]{0,127}/
//
// digest := digest-algorithm ":" digest-hex
// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]*
// digest-algorithm-separator := /[+.-_]/
// digest-algorithm-component := /[A-Za-z][A-Za-z0-9]*/
// digest-hex := /[0-9a-fA-F]{32,}/ ; At least 128 bit digest value
//
// identifier := /[a-f0-9]{64}/
// short-identifier := /[a-f0-9]{6,64}/
package reference
import (
"errors"
"fmt"
"strings"
"github.com/opencontainers/go-digest"
)
const (
// NameTotalLengthMax is the maximum total number of characters in a repository name.
NameTotalLengthMax = 255
)
var (
// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
ErrReferenceInvalidFormat = errors.New("invalid reference format")
// ErrTagInvalidFormat represents an error while trying to parse a string as a tag.
ErrTagInvalidFormat = errors.New("invalid tag format")
// ErrDigestInvalidFormat represents an error while trying to parse a string as a tag.
ErrDigestInvalidFormat = errors.New("invalid digest format")
// ErrNameContainsUppercase is returned for invalid repository names that contain uppercase characters.
ErrNameContainsUppercase = errors.New("repository name must be lowercase")
// ErrNameEmpty is returned for empty, invalid repository names.
ErrNameEmpty = errors.New("repository name must have at least one component")
// ErrNameTooLong is returned when a repository name is longer than NameTotalLengthMax.
ErrNameTooLong = fmt.Errorf("repository name must not be more than %v characters", NameTotalLengthMax)
// ErrNameNotCanonical is returned when a name is not canonical.
ErrNameNotCanonical = errors.New("repository name must be canonical")
)
// Reference is an opaque object reference identifier that may include
// modifiers such as a hostname, name, tag, and digest.
type Reference interface {
// String returns the full reference
String() string
}
// Field provides a wrapper type for resolving correct reference types when
// working with encoding.
type Field struct {
reference Reference
}
// AsField wraps a reference in a Field for encoding.
func AsField(reference Reference) Field {
return Field{reference}
}
// Reference unwraps the reference type from the field to
// return the Reference object. This object should be
// of the appropriate type to further check for different
// reference types.
func (f Field) Reference() Reference {
return f.reference
}
// MarshalText serializes the field to byte text which
// is the string of the reference.
func (f Field) MarshalText() (p []byte, err error) {
return []byte(f.reference.String()), nil
}
// UnmarshalText parses text bytes by invoking the
// reference parser to ensure the appropriately
// typed reference object is wrapped by field.
func (f *Field) UnmarshalText(p []byte) error {
r, err := Parse(string(p))
if err != nil {
return err
}
f.reference = r
return nil
}
// Named is an object with a full name
type Named interface {
Reference
Name() string
}
// Tagged is an object which has a tag
type Tagged interface {
Reference
Tag() string
}
// NamedTagged is an object including a name and tag.
type NamedTagged interface {
Named
Tag() string
}
// Digested is an object which has a digest
// in which it can be referenced by
type Digested interface {
Reference
Digest() digest.Digest
}
// Canonical reference is an object with a fully unique
// name including a name with domain and digest
type Canonical interface {
Named
Digest() digest.Digest
}
// namedRepository is a reference to a repository with a name.
// A namedRepository has both domain and path components.
type namedRepository interface {
Named
Domain() string
Path() string
}
// Domain returns the domain part of the Named reference
func Domain(named Named) string {
if r, ok := named.(namedRepository); ok {
return r.Domain()
}
domain, _ := splitDomain(named.Name())
return domain
}
// Path returns the name without the domain part of the Named reference
func Path(named Named) (name string) {
if r, ok := named.(namedRepository); ok {
return r.Path()
}
_, path := splitDomain(named.Name())
return path
}
func splitDomain(name string) (string, string) {
match := anchoredNameRegexp.FindStringSubmatch(name)
if len(match) != 3 {
return "", name
}
return match[1], match[2]
}
// SplitHostname splits a named reference into a
// hostname and name string. If no valid hostname is
// found, the hostname is empty and the full value
// is returned as name
// DEPRECATED: Use Domain or Path
func SplitHostname(named Named) (string, string) {
if r, ok := named.(namedRepository); ok {
return r.Domain(), r.Path()
}
return splitDomain(named.Name())
}
// Parse parses s and returns a syntactically valid Reference.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: Parse will not handle short digests.
func Parse(s string) (Reference, error) {
matches := ReferenceRegexp.FindStringSubmatch(s)
if matches == nil {
if s == "" {
return nil, ErrNameEmpty
}
if ReferenceRegexp.FindStringSubmatch(strings.ToLower(s)) != nil {
return nil, ErrNameContainsUppercase
}
return nil, ErrReferenceInvalidFormat
}
if len(matches[1]) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
var repo repository
nameMatch := anchoredNameRegexp.FindStringSubmatch(matches[1])
if nameMatch != nil && len(nameMatch) == 3 {
repo.domain = nameMatch[1]
repo.path = nameMatch[2]
} else {
repo.domain = ""
repo.path = matches[1]
}
ref := reference{
namedRepository: repo,
tag: matches[2],
}
if matches[3] != "" {
var err error
ref.digest, err = digest.Parse(matches[3])
if err != nil {
return nil, err
}
}
r := getBestReferenceType(ref)
if r == nil {
return nil, ErrNameEmpty
}
return r, nil
}
// ParseNamed parses s and returns a syntactically valid reference implementing
// the Named interface. The reference must have a name and be in the canonical
// form, otherwise an error is returned.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: ParseNamed will not handle short digests.
func ParseNamed(s string) (Named, error) {
named, err := ParseNormalizedNamed(s)
if err != nil {
return nil, err
}
if named.String() != s {
return nil, ErrNameNotCanonical
}
return named, nil
}
// WithName returns a named object representing the given string. If the input
// is invalid ErrReferenceInvalidFormat will be returned.
func WithName(name string) (Named, error) {
if len(name) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
match := anchoredNameRegexp.FindStringSubmatch(name)
if match == nil || len(match) != 3 {
return nil, ErrReferenceInvalidFormat
}
return repository{
domain: match[1],
path: match[2],
}, nil
}
// WithTag combines the name from "name" and the tag from "tag" to form a
// reference incorporating both the name and the tag.
func WithTag(name Named, tag string) (NamedTagged, error) {
if !anchoredTagRegexp.MatchString(tag) {
return nil, ErrTagInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if canonical, ok := name.(Canonical); ok {
return reference{
namedRepository: repo,
tag: tag,
digest: canonical.Digest(),
}, nil
}
return taggedReference{
namedRepository: repo,
tag: tag,
}, nil
}
// WithDigest combines the name from "name" and the digest from "digest" to form
// a reference incorporating both the name and the digest.
func WithDigest(name Named, digest digest.Digest) (Canonical, error) {
if !anchoredDigestRegexp.MatchString(digest.String()) {
return nil, ErrDigestInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if tagged, ok := name.(Tagged); ok {
return reference{
namedRepository: repo,
tag: tagged.Tag(),
digest: digest,
}, nil
}
return canonicalReference{
namedRepository: repo,
digest: digest,
}, nil
}
// TrimNamed removes any tag or digest from the named reference.
func TrimNamed(ref Named) Named {
domain, path := SplitHostname(ref)
return repository{
domain: domain,
path: path,
}
}
func getBestReferenceType(ref reference) Reference {
if ref.Name() == "" {
// Allow digest only references
if ref.digest != "" {
return digestReference(ref.digest)
}
return nil
}
if ref.tag == "" {
if ref.digest != "" {
return canonicalReference{
namedRepository: ref.namedRepository,
digest: ref.digest,
}
}
return ref.namedRepository
}
if ref.digest == "" {
return taggedReference{
namedRepository: ref.namedRepository,
tag: ref.tag,
}
}
return ref
}
type reference struct {
namedRepository
tag string
digest digest.Digest
}
func (r reference) String() string {
return r.Name() + ":" + r.tag + "@" + r.digest.String()
}
func (r reference) Tag() string {
return r.tag
}
func (r reference) Digest() digest.Digest {
return r.digest
}
type repository struct {
domain string
path string
}
func (r repository) String() string {
return r.Name()
}
func (r repository) Name() string {
if r.domain == "" {
return r.path
}
return r.domain + "/" + r.path
}
func (r repository) Domain() string {
return r.domain
}
func (r repository) Path() string {
return r.path
}
type digestReference digest.Digest
func (d digestReference) String() string {
return digest.Digest(d).String()
}
func (d digestReference) Digest() digest.Digest {
return digest.Digest(d)
}
type taggedReference struct {
namedRepository
tag string
}
func (t taggedReference) String() string {
return t.Name() + ":" + t.tag
}
func (t taggedReference) Tag() string {
return t.tag
}
type canonicalReference struct {
namedRepository
digest digest.Digest
}
func (c canonicalReference) String() string {
return c.Name() + "@" + c.digest.String()
}
func (c canonicalReference) Digest() digest.Digest {
return c.digest
}

143
src/runtime/vendor/github.com/docker/distribution/reference/regexp.go generated vendored
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@@ -1,143 +0,0 @@
package reference
import "regexp"
var (
// alphaNumericRegexp defines the alpha numeric atom, typically a
// component of names. This only allows lower case characters and digits.
alphaNumericRegexp = match(`[a-z0-9]+`)
// separatorRegexp defines the separators allowed to be embedded in name
// components. This allow one period, one or two underscore and multiple
// dashes.
separatorRegexp = match(`(?:[._]|__|[-]*)`)
// nameComponentRegexp restricts registry path component names to start
// with at least one letter or number, with following parts able to be
// separated by one period, one or two underscore and multiple dashes.
nameComponentRegexp = expression(
alphaNumericRegexp,
optional(repeated(separatorRegexp, alphaNumericRegexp)))
// domainComponentRegexp restricts the registry domain component of a
// repository name to start with a component as defined by DomainRegexp
// and followed by an optional port.
domainComponentRegexp = match(`(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`)
// DomainRegexp defines the structure of potential domain components
// that may be part of image names. This is purposely a subset of what is
// allowed by DNS to ensure backwards compatibility with Docker image
// names.
DomainRegexp = expression(
domainComponentRegexp,
optional(repeated(literal(`.`), domainComponentRegexp)),
optional(literal(`:`), match(`[0-9]+`)))
// TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
TagRegexp = match(`[\w][\w.-]{0,127}`)
// anchoredTagRegexp matches valid tag names, anchored at the start and
// end of the matched string.
anchoredTagRegexp = anchored(TagRegexp)
// DigestRegexp matches valid digests.
DigestRegexp = match(`[A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}`)
// anchoredDigestRegexp matches valid digests, anchored at the start and
// end of the matched string.
anchoredDigestRegexp = anchored(DigestRegexp)
// NameRegexp is the format for the name component of references. The
// regexp has capturing groups for the domain and name part omitting
// the separating forward slash from either.
NameRegexp = expression(
optional(DomainRegexp, literal(`/`)),
nameComponentRegexp,
optional(repeated(literal(`/`), nameComponentRegexp)))
// anchoredNameRegexp is used to parse a name value, capturing the
// domain and trailing components.
anchoredNameRegexp = anchored(
optional(capture(DomainRegexp), literal(`/`)),
capture(nameComponentRegexp,
optional(repeated(literal(`/`), nameComponentRegexp))))
// ReferenceRegexp is the full supported format of a reference. The regexp
// is anchored and has capturing groups for name, tag, and digest
// components.
ReferenceRegexp = anchored(capture(NameRegexp),
optional(literal(":"), capture(TagRegexp)),
optional(literal("@"), capture(DigestRegexp)))
// IdentifierRegexp is the format for string identifier used as a
// content addressable identifier using sha256. These identifiers
// are like digests without the algorithm, since sha256 is used.
IdentifierRegexp = match(`([a-f0-9]{64})`)
// ShortIdentifierRegexp is the format used to represent a prefix
// of an identifier. A prefix may be used to match a sha256 identifier
// within a list of trusted identifiers.
ShortIdentifierRegexp = match(`([a-f0-9]{6,64})`)
// anchoredIdentifierRegexp is used to check or match an
// identifier value, anchored at start and end of string.
anchoredIdentifierRegexp = anchored(IdentifierRegexp)
// anchoredShortIdentifierRegexp is used to check if a value
// is a possible identifier prefix, anchored at start and end
// of string.
anchoredShortIdentifierRegexp = anchored(ShortIdentifierRegexp)
)
// match compiles the string to a regular expression.
var match = regexp.MustCompile
// literal compiles s into a literal regular expression, escaping any regexp
// reserved characters.
func literal(s string) *regexp.Regexp {
re := match(regexp.QuoteMeta(s))
if _, complete := re.LiteralPrefix(); !complete {
panic("must be a literal")
}
return re
}
// expression defines a full expression, where each regular expression must
// follow the previous.
func expression(res ...*regexp.Regexp) *regexp.Regexp {
var s string
for _, re := range res {
s += re.String()
}
return match(s)
}
// optional wraps the expression in a non-capturing group and makes the
// production optional.
func optional(res ...*regexp.Regexp) *regexp.Regexp {
return match(group(expression(res...)).String() + `?`)
}
// repeated wraps the regexp in a non-capturing group to get one or more
// matches.
func repeated(res ...*regexp.Regexp) *regexp.Regexp {
return match(group(expression(res...)).String() + `+`)
}
// group wraps the regexp in a non-capturing group.
func group(res ...*regexp.Regexp) *regexp.Regexp {
return match(`(?:` + expression(res...).String() + `)`)
}
// capture wraps the expression in a capturing group.
func capture(res ...*regexp.Regexp) *regexp.Regexp {
return match(`(` + expression(res...).String() + `)`)
}
// anchored anchors the regular expression by adding start and end delimiters.
func anchored(res ...*regexp.Regexp) *regexp.Regexp {
return match(`^` + expression(res...).String() + `$`)
}

1652
src/runtime/vendor/github.com/docker/docker/AUTHORS generated vendored
View File

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191
src/runtime/vendor/github.com/docker/docker/LICENSE generated vendored
View File

@@ -1,191 +0,0 @@
Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
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means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(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
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
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
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of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
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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,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2013-2016 Docker, Inc.
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.

19
src/runtime/vendor/github.com/docker/docker/NOTICE generated vendored
View File

@@ -1,19 +0,0 @@
Docker
Copyright 2012-2016 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
This product contains software (https://github.com/kr/pty) developed
by Keith Rarick, licensed under the MIT License.
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.

71
src/runtime/vendor/github.com/docker/docker/pkg/random/random.go generated vendored
View File

@@ -1,71 +0,0 @@
package random
import (
cryptorand "crypto/rand"
"io"
"math"
"math/big"
"math/rand"
"sync"
"time"
)
// Rand is a global *rand.Rand instance, which initialized with NewSource() source.
var Rand = rand.New(NewSource())
// Reader is a global, shared instance of a pseudorandom bytes generator.
// It doesn't consume entropy.
var Reader io.Reader = &reader{rnd: Rand}
// copypaste from standard math/rand
type lockedSource struct {
lk sync.Mutex
src rand.Source
}
func (r *lockedSource) Int63() (n int64) {
r.lk.Lock()
n = r.src.Int63()
r.lk.Unlock()
return
}
func (r *lockedSource) Seed(seed int64) {
r.lk.Lock()
r.src.Seed(seed)
r.lk.Unlock()
}
// NewSource returns math/rand.Source safe for concurrent use and initialized
// with current unix-nano timestamp
func NewSource() rand.Source {
var seed int64
if cryptoseed, err := cryptorand.Int(cryptorand.Reader, big.NewInt(math.MaxInt64)); err != nil {
// This should not happen, but worst-case fallback to time-based seed.
seed = time.Now().UnixNano()
} else {
seed = cryptoseed.Int64()
}
return &lockedSource{
src: rand.NewSource(seed),
}
}
type reader struct {
rnd *rand.Rand
}
func (r *reader) Read(b []byte) (int, error) {
i := 0
for {
val := r.rnd.Int63()
for val > 0 {
b[i] = byte(val)
i++
if i == len(b) {
return i, nil
}
val >>= 8
}
}
}

1
src/runtime/vendor/github.com/docker/docker/pkg/stringid/README.md generated vendored
View File

@@ -1 +0,0 @@
This package provides helper functions for dealing with string identifiers

69
src/runtime/vendor/github.com/docker/docker/pkg/stringid/stringid.go generated vendored
View File

@@ -1,69 +0,0 @@
// Package stringid provides helper functions for dealing with string identifiers
package stringid
import (
"crypto/rand"
"encoding/hex"
"io"
"regexp"
"strconv"
"strings"
"github.com/docker/docker/pkg/random"
)
const shortLen = 12
var validShortID = regexp.MustCompile("^[a-z0-9]{12}$")
// IsShortID determines if an arbitrary string *looks like* a short ID.
func IsShortID(id string) bool {
return validShortID.MatchString(id)
}
// TruncateID returns a shorthand version of a string identifier for convenience.
// A collision with other shorthands is very unlikely, but possible.
// In case of a collision a lookup with TruncIndex.Get() will fail, and the caller
// will need to use a longer prefix, or the full-length Id.
func TruncateID(id string) string {
if i := strings.IndexRune(id, ':'); i >= 0 {
id = id[i+1:]
}
if len(id) > shortLen {
id = id[:shortLen]
}
return id
}
func generateID(crypto bool) string {
b := make([]byte, 32)
r := random.Reader
if crypto {
r = rand.Reader
}
for {
if _, err := io.ReadFull(r, b); err != nil {
panic(err) // This shouldn't happen
}
id := hex.EncodeToString(b)
// if we try to parse the truncated for as an int and we don't have
// an error then the value is all numeric and causes issues when
// used as a hostname. ref #3869
if _, err := strconv.ParseInt(TruncateID(id), 10, 64); err == nil {
continue
}
return id
}
}
// GenerateRandomID returns a unique id.
func GenerateRandomID() string {
return generateID(true)
}
// GenerateNonCryptoID generates unique id without using cryptographically
// secure sources of random.
// It helps you to save entropy.
func GenerateNonCryptoID() string {
return generateID(false)
}

2
src/runtime/vendor/github.com/docker/go-units/MAINTAINERS generated vendored
View File

@@ -27,7 +27,7 @@
[people.akihirosuda]
Name = "Akihiro Suda"
Email = "suda.akihiro@lab.ntt.co.jp"
Email = "akihiro.suda.cz@hco.ntt.co.jp"
GitHub = "AkihiroSuda"
[people.dnephin]

2
src/runtime/vendor/github.com/docker/go-units/circle.yml generated vendored
View File

@@ -1,7 +1,7 @@
dependencies:
post:
# install golint
- go get github.com/golang/lint/golint
- go get golang.org/x/lint/golint
test:
pre:

2
src/runtime/vendor/github.com/docker/go-units/duration.go generated vendored
View File

@@ -18,7 +18,7 @@ func HumanDuration(d time.Duration) string {
return fmt.Sprintf("%d seconds", seconds)
} else if minutes := int(d.Minutes()); minutes == 1 {
return "About a minute"
} else if minutes < 46 {
} else if minutes < 60 {
return fmt.Sprintf("%d minutes", minutes)
} else if hours := int(d.Hours() + 0.5); hours == 1 {
return "About an hour"

9
src/runtime/vendor/github.com/docker/go-units/ulimit.go generated vendored
View File

@@ -96,8 +96,13 @@ func ParseUlimit(val string) (*Ulimit, error) {
return nil, fmt.Errorf("too many limit value arguments - %s, can only have up to two, `soft[:hard]`", parts[1])
}
if soft > *hard {
return nil, fmt.Errorf("ulimit soft limit must be less than or equal to hard limit: %d > %d", soft, *hard)
if *hard != -1 {
if soft == -1 {
return nil, fmt.Errorf("ulimit soft limit must be less than or equal to hard limit: soft: -1 (unlimited), hard: %d", *hard)
}
if soft > *hard {
return nil, fmt.Errorf("ulimit soft limit must be less than or equal to hard limit: %d > %d", soft, *hard)
}
}
return &Ulimit{Name: parts[0], Soft: soft, Hard: *hard}, nil