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提交 201e5f9e 编写于 作者: M Matt Rickard
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Godeps/Godeps.json
浏览文件 @ 201e5f9e
......@@ -105,8 +105,8 @@
},
{
"ImportPath": "github.com/Sirupsen/logrus",
"Comment": "v0.6.2-10-g51fe59a",
"Rev": "51fe59aca108dc5680109e7b2051cbdcfa5a253c"
"Comment": "v1.0.0",
"Rev": "202f25545ea4cf9b191ff7f846df5d87c9382c2b"
},
{
"ImportPath": "github.com/abbot/go-http-auth",
......@@ -415,6 +415,66 @@
"Comment": "spec-v0.3.1",
"Rev": "137b4975ecab6e1f0c24c1e3c228a50a3cfba75e"
},
{
"ImportPath": "github.com/containers/image/copy",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/docker",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/docker/archive",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/docker/policyconfiguration",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/docker/reference",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/docker/tarfile",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/image",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/manifest",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/pkg/compression",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/pkg/strslice",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/signature",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/transports",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/types",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/image/version",
"Rev": "dbd0a4cee2480da39048095a326506ae114d635a"
},
{
"ImportPath": "github.com/containers/storage/pkg/homedir",
"Rev": "87cb51ae7a688abb71dbe6e4ac5c962d9121b862"
},
{
"ImportPath": "github.com/coreos/etcd/alarm",
"Comment": "v3.1.5",
......@@ -778,6 +838,16 @@
"Comment": "v3.0.0-4-g01aeca5",
"Rev": "01aeca54ebda6e0fbfafd0a524d234159c05ec20"
},
{
"ImportPath": "github.com/docker/distribution",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/context",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/digest",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
......@@ -788,6 +858,41 @@
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/api/errcode",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/api/v2",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/client",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/client/transport",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/storage/cache",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/registry/storage/cache/memory",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/distribution/uuid",
"Comment": "v2.4.0-rc.1-38-gcd27f179",
"Rev": "cd27f179f2c10c5d300e6d09025b538c475b0d51"
},
{
"ImportPath": "github.com/docker/docker/pkg/jsonlog",
"Comment": "v1.11.2",
......@@ -900,24 +1005,28 @@
},
{
"ImportPath": "github.com/docker/go-connections/nat",
"Comment": "v0.2.0-2-gf549a93",
"Rev": "f549a9393d05688dff0992ef3efd8bbe6c628aeb"
"Comment": "v0.2.1-5-g55aadc3",
"Rev": "55aadc3cc561684699edcdd0921b9293c3ee6b49"
},
{
"ImportPath": "github.com/docker/go-connections/sockets",
"Comment": "v0.2.0-2-gf549a93",
"Rev": "f549a9393d05688dff0992ef3efd8bbe6c628aeb"
"Comment": "v0.2.1-5-g55aadc3",
"Rev": "55aadc3cc561684699edcdd0921b9293c3ee6b49"
},
{
"ImportPath": "github.com/docker/go-connections/tlsconfig",
"Comment": "v0.2.0-2-gf549a93",
"Rev": "f549a9393d05688dff0992ef3efd8bbe6c628aeb"
"Comment": "v0.2.1-5-g55aadc3",
"Rev": "55aadc3cc561684699edcdd0921b9293c3ee6b49"
},
{
"ImportPath": "github.com/docker/go-units",
"Comment": "v0.3.1-10-ge30f1e7",
"Rev": "e30f1e79f3cd72542f2026ceec18d3bd67ab859c"
},
{
"ImportPath": "github.com/docker/libtrust",
"Rev": "aabc10ec26b754e797f9028f4589c5b7bd90dc20"
},
{
"ImportPath": "github.com/docker/machine/commands/mcndirs",
"Comment": "docs-v0.8.2-2016-09-26-183-g07d63b6f",
......@@ -1578,6 +1687,14 @@
"ImportPath": "github.com/gophercloud/gophercloud/pagination",
"Rev": "ed590d9afe113c6107cd60717b196155e6579e78"
},
{
"ImportPath": "github.com/gorilla/context",
"Rev": "215affda49addc4c8ef7e2534915df2c8c35c6cd"
},
{
"ImportPath": "github.com/gorilla/mux",
"Rev": "8096f47503459bcc74d1f4c487b7e6e42e5746b5"
},
{
"ImportPath": "github.com/gorilla/websocket",
"Rev": "6eb6ad425a89d9da7a5549bc6da8f79ba5c17844"
......@@ -1849,6 +1966,10 @@
"ImportPath": "github.com/mreiferson/go-httpclient",
"Rev": "31f0106b4474f14bc441575c19d3a5fa21aa1f6c"
},
{
"ImportPath": "github.com/mtrmac/gpgme",
"Rev": "b2432428689ca58c2b8e8dea9449d3295cf96fc9"
},
{
"ImportPath": "github.com/mxk/go-flowrate/flowrate",
"Rev": "cca7078d478f8520f85629ad7c68962d31ed7682"
......@@ -1857,6 +1978,21 @@
"ImportPath": "github.com/olekukonko/tablewriter",
"Rev": "bdcc175572fd7abece6c831e643891b9331bc9e7"
},
{
"ImportPath": "github.com/opencontainers/go-digest",
"Comment": "v1.0.0-rc0-6-g279bed9",
"Rev": "279bed98673dd5bef374d3b6e4b09e2af76183bf"
},
{
"ImportPath": "github.com/opencontainers/image-spec/specs-go",
"Comment": "v1.0.0-6-g7100382",
"Rev": "710038243d857231f17df1c3f4c10850154bd1f7"
},
{
"ImportPath": "github.com/opencontainers/image-spec/specs-go/v1",
"Comment": "v1.0.0-6-g7100382",
"Rev": "710038243d857231f17df1c3f4c10850154bd1f7"
},
{
"ImportPath": "github.com/opencontainers/runc/libcontainer",
"Comment": "v1.0.0-rc2-49-gd223e2ad",
......@@ -2392,6 +2528,10 @@
"ImportPath": "golang.org/x/crypto/blowfish",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/cast5",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/curve25519",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
......@@ -2408,6 +2548,30 @@
"ImportPath": "golang.org/x/crypto/nacl/secretbox",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp/armor",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp/elgamal",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp/errors",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp/packet",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/openpgp/s2k",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
},
{
"ImportPath": "golang.org/x/crypto/pkcs12",
"Rev": "d172538b2cfce0c13cee31e647d0367aa8cd2486"
......@@ -2508,6 +2672,10 @@
"ImportPath": "golang.org/x/sync/syncmap",
"Rev": "f52d1811a62927559de87708c8913c1650ce4f26"
},
{
"ImportPath": "golang.org/x/sync/errgroup",
"Rev": "f52d1811a62927559de87708c8913c1650ce4f26"
},
{
"ImportPath": "golang.org/x/sys/unix",
"Rev": "8f0908ab3b2457e2e15403d3697c9ef5cb4b57a9"
......
Makefile
浏览文件 @ 201e5f9e
......@@ -67,7 +67,11 @@ KUBE_CROSS_DOCKER_CMD := docker run -w /go/src/$(REPOPATH) --user $(shell id -u)
# $(call MINIKUBE_GO_BUILD_CMD, output file, OS)
define MINIKUBE_GO_BUILD_CMD
<<<<<<< HEAD
$(MINIKUBE_ENV_$(2)) go build --installsuffix cgo -ldflags="$(MINIKUBE_LDFLAGS) $(K8S_VERSION_LDFLAGS)" -a -o $(1) k8s.io/minikube/cmd/minikube
=======
$(MINIKUBE_ENV_$(2)) go build -tags "container_image_ostree_stub containers_image_openpgp" --installsuffix cgo -ldflags="$(MINIKUBE_LDFLAGS) $(K8S_VERSION_LDFLAGS)" -a -o $(1) k8s.io/minikube/cmd/minikube
>>>>>>> a98f9553f... Vendor changes
endef
ifeq ($(BUILD_IN_DOCKER),y)
......
vendor/github.com/Sirupsen/logrus/.travis.yml
浏览文件 @ 201e5f9e
language: go
go:
- 1.2
- 1.3
- 1.6.x
- 1.7.x
- 1.8.x
- tip
env:
- GOMAXPROCS=4 GORACE=halt_on_error=1
install:
- go get github.com/stretchr/testify
- go get github.com/stvp/go-udp-testing
- go get github.com/tobi/airbrake-go
- go get github.com/getsentry/raven-go
- go get github.com/stretchr/testify/assert
script:
- go test -race -v .
- cd hooks/null && go test -race -v .
vendor/github.com/Sirupsen/logrus/CHANGELOG.md 0 → 100644
浏览文件 @ 201e5f9e
# 1.0.0
* Officially changed name to lower-case
* bug: colors on Windows 10 (#541)
* bug: fix race in accessing level (#512)
# 0.11.5
* feature: add writer and writerlevel to entry (#372)
# 0.11.4
* bug: fix undefined variable on solaris (#493)
# 0.11.3
* formatter: configure quoting of empty values (#484)
* formatter: configure quoting character (default is `"`) (#484)
* bug: fix not importing io correctly in non-linux environments (#481)
# 0.11.2
* bug: fix windows terminal detection (#476)
# 0.11.1
* bug: fix tty detection with custom out (#471)
# 0.11.0
* performance: Use bufferpool to allocate (#370)
* terminal: terminal detection for app-engine (#343)
* feature: exit handler (#375)
# 0.10.0
* feature: Add a test hook (#180)
* feature: `ParseLevel` is now case-insensitive (#326)
* feature: `FieldLogger` interface that generalizes `Logger` and `Entry` (#308)
* performance: avoid re-allocations on `WithFields` (#335)
# 0.9.0
* logrus/text_formatter: don't emit empty msg
* logrus/hooks/airbrake: move out of main repository
* logrus/hooks/sentry: move out of main repository
* logrus/hooks/papertrail: move out of main repository
* logrus/hooks/bugsnag: move out of main repository
* logrus/core: run tests with `-race`
* logrus/core: detect TTY based on `stderr`
* logrus/core: support `WithError` on logger
* logrus/core: Solaris support
# 0.8.7
* logrus/core: fix possible race (#216)
* logrus/doc: small typo fixes and doc improvements
# 0.8.6
* hooks/raven: allow passing an initialized client
# 0.8.5
* logrus/core: revert #208
# 0.8.4
* formatter/text: fix data race (#218)
# 0.8.3
* logrus/core: fix entry log level (#208)
* logrus/core: improve performance of text formatter by 40%
* logrus/core: expose `LevelHooks` type
* logrus/core: add support for DragonflyBSD and NetBSD
* formatter/text: print structs more verbosely
# 0.8.2
* logrus: fix more Fatal family functions
# 0.8.1
* logrus: fix not exiting on `Fatalf` and `Fatalln`
# 0.8.0
* logrus: defaults to stderr instead of stdout
* hooks/sentry: add special field for `*http.Request`
* formatter/text: ignore Windows for colors
# 0.7.3
* formatter/\*: allow configuration of timestamp layout
# 0.7.2
* formatter/text: Add configuration option for time format (#158)
vendor/github.com/Sirupsen/logrus/alt_exit.go 0 → 100644
浏览文件 @ 201e5f9e
package logrus
// The following code was sourced and modified from the
// https://github.com/tebeka/atexit package governed by the following license:
//
// Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import (
"fmt"
"os"
)
var handlers = []func(){}
func runHandler(handler func()) {
defer func() {
if err := recover(); err != nil {
fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err)
}
}()
handler()
}
func runHandlers() {
for _, handler := range handlers {
runHandler(handler)
}
}
// Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code)
func Exit(code int) {
runHandlers()
os.Exit(code)
}
// RegisterExitHandler adds a Logrus Exit handler, call logrus.Exit to invoke
// all handlers. The handlers will also be invoked when any Fatal log entry is
// made.
//
// This method is useful when a caller wishes to use logrus to log a fatal
// message but also needs to gracefully shutdown. An example usecase could be
// closing database connections, or sending a alert that the application is
// closing.
func RegisterExitHandler(handler func()) {
handlers = append(handlers, handler)
}
vendor/github.com/Sirupsen/logrus/doc.go 0 → 100644
浏览文件 @ 201e5f9e
/*
Package logrus is a structured logger for Go, completely API compatible with the standard library logger.
The simplest way to use Logrus is simply the package-level exported logger:
package main
import (
log "github.com/sirupsen/logrus"
)
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
"number": 1,
"size": 10,
}).Info("A walrus appears")
}
Output:
time="2015-09-07T08:48:33Z" level=info msg="A walrus appears" animal=walrus number=1 size=10
For a full guide visit https://github.com/sirupsen/logrus
*/
package logrus
vendor/github.com/Sirupsen/logrus/entry.go
浏览文件 @ 201e5f9e
......@@ -3,11 +3,24 @@ package logrus
import (
"bytes"
"fmt"
"io"
"os"
"sync"
"time"
)
var bufferPool *sync.Pool
func init() {
bufferPool = &sync.Pool{
New: func() interface{} {
return new(bytes.Buffer)
},
}
}
// Defines the key when adding errors using WithError.
var ErrorKey = "error"
// An entry is the final or intermediate Logrus logging entry. It contains all
// the fields passed with WithField{,s}. It's finally logged when Debug, Info,
// Warn, Error, Fatal or Panic is called on it. These objects can be reused and
......@@ -26,6 +39,9 @@ type Entry struct {
// Message passed to Debug, Info, Warn, Error, Fatal or Panic
Message string
// When formatter is called in entry.log(), an Buffer may be set to entry
Buffer *bytes.Buffer
}
func NewEntry(logger *Logger) *Entry {
......@@ -36,21 +52,20 @@ func NewEntry(logger *Logger) *Entry {
}
}
// Returns a reader for the entry, which is a proxy to the formatter.
func (entry *Entry) Reader() (*bytes.Buffer, error) {
serialized, err := entry.Logger.Formatter.Format(entry)
return bytes.NewBuffer(serialized), err
}
// Returns the string representation from the reader and ultimately the
// formatter.
func (entry *Entry) String() (string, error) {
reader, err := entry.Reader()
serialized, err := entry.Logger.Formatter.Format(entry)
if err != nil {
return "", err
}
str := string(serialized)
return str, nil
}
return reader.String(), err
// Add an error as single field (using the key defined in ErrorKey) to the Entry.
func (entry *Entry) WithError(err error) *Entry {
return entry.WithField(ErrorKey, err)
}
// Add a single field to the Entry.
......@@ -60,7 +75,7 @@ func (entry *Entry) WithField(key string, value interface{}) *Entry {
// Add a map of fields to the Entry.
func (entry *Entry) WithFields(fields Fields) *Entry {
data := Fields{}
data := make(Fields, len(entry.Data)+len(fields))
for k, v := range entry.Data {
data[k] = v
}
......@@ -70,42 +85,48 @@ func (entry *Entry) WithFields(fields Fields) *Entry {
return &Entry{Logger: entry.Logger, Data: data}
}
func (entry *Entry) log(level Level, msg string) {
// This function is not declared with a pointer value because otherwise
// race conditions will occur when using multiple goroutines
func (entry Entry) log(level Level, msg string) {
var buffer *bytes.Buffer
entry.Time = time.Now()
entry.Level = level
entry.Message = msg
if err := entry.Logger.Hooks.Fire(level, entry); err != nil {
if err := entry.Logger.Hooks.Fire(level, &entry); err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
entry.Logger.mu.Unlock()
}
reader, err := entry.Reader()
buffer = bufferPool.Get().(*bytes.Buffer)
buffer.Reset()
defer bufferPool.Put(buffer)
entry.Buffer = buffer
serialized, err := entry.Logger.Formatter.Format(&entry)
entry.Buffer = nil
if err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err)
entry.Logger.mu.Unlock()
}
entry.Logger.mu.Lock()
defer entry.Logger.mu.Unlock()
_, err = io.Copy(entry.Logger.Out, reader)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
} else {
entry.Logger.mu.Lock()
_, err = entry.Logger.Out.Write(serialized)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
}
entry.Logger.mu.Unlock()
}
// To avoid Entry#log() returning a value that only would make sense for
// panic() to use in Entry#Panic(), we avoid the allocation by checking
// directly here.
if level <= PanicLevel {
panic(entry)
panic(&entry)
}
}
func (entry *Entry) Debug(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
if entry.Logger.level() >= DebugLevel {
entry.log(DebugLevel, fmt.Sprint(args...))
}
}
......@@ -115,32 +136,36 @@ func (entry *Entry) Print(args ...interface{}) {
}
func (entry *Entry) Info(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
if entry.Logger.level() >= InfoLevel {
entry.log(InfoLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Warn(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
if entry.Logger.level() >= WarnLevel {
entry.log(WarnLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Warning(args ...interface{}) {
entry.Warn(args...)
}
func (entry *Entry) Error(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
if entry.Logger.level() >= ErrorLevel {
entry.log(ErrorLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Fatal(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
if entry.Logger.level() >= FatalLevel {
entry.log(FatalLevel, fmt.Sprint(args...))
}
os.Exit(1)
Exit(1)
}
func (entry *Entry) Panic(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
if entry.Logger.level() >= PanicLevel {
entry.log(PanicLevel, fmt.Sprint(args...))
}
panic(fmt.Sprint(args...))
......@@ -149,13 +174,13 @@ func (entry *Entry) Panic(args ...interface{}) {
// Entry Printf family functions
func (entry *Entry) Debugf(format string, args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
if entry.Logger.level() >= DebugLevel {
entry.Debug(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Infof(format string, args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
if entry.Logger.level() >= InfoLevel {
entry.Info(fmt.Sprintf(format, args...))
}
}
......@@ -165,7 +190,7 @@ func (entry *Entry) Printf(format string, args ...interface{}) {
}
func (entry *Entry) Warnf(format string, args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
if entry.Logger.level() >= WarnLevel {
entry.Warn(fmt.Sprintf(format, args...))
}
}
......@@ -175,19 +200,20 @@ func (entry *Entry) Warningf(format string, args ...interface{}) {
}
func (entry *Entry) Errorf(format string, args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
if entry.Logger.level() >= ErrorLevel {
entry.Error(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Fatalf(format string, args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
if entry.Logger.level() >= FatalLevel {
entry.Fatal(fmt.Sprintf(format, args...))
}
Exit(1)
}
func (entry *Entry) Panicf(format string, args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
if entry.Logger.level() >= PanicLevel {
entry.Panic(fmt.Sprintf(format, args...))
}
}
......@@ -195,13 +221,13 @@ func (entry *Entry) Panicf(format string, args ...interface{}) {
// Entry Println family functions
func (entry *Entry) Debugln(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
if entry.Logger.level() >= DebugLevel {
entry.Debug(entry.sprintlnn(args...))
}
}
func (entry *Entry) Infoln(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
if entry.Logger.level() >= InfoLevel {
entry.Info(entry.sprintlnn(args...))
}
}
......@@ -211,7 +237,7 @@ func (entry *Entry) Println(args ...interface{}) {
}
func (entry *Entry) Warnln(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
if entry.Logger.level() >= WarnLevel {
entry.Warn(entry.sprintlnn(args...))
}
}
......@@ -221,19 +247,20 @@ func (entry *Entry) Warningln(args ...interface{}) {
}
func (entry *Entry) Errorln(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
if entry.Logger.level() >= ErrorLevel {
entry.Error(entry.sprintlnn(args...))
}
}
func (entry *Entry) Fatalln(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
if entry.Logger.level() >= FatalLevel {
entry.Fatal(entry.sprintlnn(args...))
}
Exit(1)
}
func (entry *Entry) Panicln(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
if entry.Logger.level() >= PanicLevel {
entry.Panic(entry.sprintlnn(args...))
}
}
......
vendor/github.com/Sirupsen/logrus/exported.go
浏览文件 @ 201e5f9e
......@@ -9,6 +9,10 @@ var (
std = New()
)
func StandardLogger() *Logger {
return std
}
// SetOutput sets the standard logger output.
func SetOutput(out io.Writer) {
std.mu.Lock()
......@@ -27,12 +31,14 @@ func SetFormatter(formatter Formatter) {
func SetLevel(level Level) {
std.mu.Lock()
defer std.mu.Unlock()
std.Level = level
std.setLevel(level)
}
// GetLevel returns the standard logger level.
func GetLevel() Level {
return std.Level
std.mu.Lock()
defer std.mu.Unlock()
return std.level()
}
// AddHook adds a hook to the standard logger hooks.
......@@ -42,6 +48,11 @@ func AddHook(hook Hook) {
std.Hooks.Add(hook)
}
// WithError creates an entry from the standard logger and adds an error to it, using the value defined in ErrorKey as key.
func WithError(err error) *Entry {
return std.WithField(ErrorKey, err)
}
// WithField creates an entry from the standard logger and adds a field to
// it. If you want multiple fields, use `WithFields`.
//
......
vendor/github.com/Sirupsen/logrus/formatter.go
浏览文件 @ 201e5f9e
package logrus
import "time"
const DefaultTimestampFormat = time.RFC3339
// The Formatter interface is used to implement a custom Formatter. It takes an
// `Entry`. It exposes all the fields, including the default ones:
//
......@@ -27,18 +31,15 @@ type Formatter interface {
// It's not exported because it's still using Data in an opinionated way. It's to
// avoid code duplication between the two default formatters.
func prefixFieldClashes(data Fields) {
_, ok := data["time"]
if ok {
data["fields.time"] = data["time"]
if t, ok := data["time"]; ok {
data["fields.time"] = t
}
_, ok = data["msg"]
if ok {
data["fields.msg"] = data["msg"]
if m, ok := data["msg"]; ok {
data["fields.msg"] = m
}
_, ok = data["level"]
if ok {
data["fields.level"] = data["level"]
if l, ok := data["level"]; ok {
data["fields.level"] = l
}
}
vendor/github.com/Sirupsen/logrus/hooks.go
浏览文件 @ 201e5f9e
......@@ -11,11 +11,11 @@ type Hook interface {
}
// Internal type for storing the hooks on a logger instance.
type levelHooks map[Level][]Hook
type LevelHooks map[Level][]Hook
// Add a hook to an instance of logger. This is called with
// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface.
func (hooks levelHooks) Add(hook Hook) {
func (hooks LevelHooks) Add(hook Hook) {
for _, level := range hook.Levels() {
hooks[level] = append(hooks[level], hook)
}
......@@ -23,7 +23,7 @@ func (hooks levelHooks) Add(hook Hook) {
// Fire all the hooks for the passed level. Used by `entry.log` to fire
// appropriate hooks for a log entry.
func (hooks levelHooks) Fire(level Level, entry *Entry) error {
func (hooks LevelHooks) Fire(level Level, entry *Entry) error {
for _, hook := range hooks[level] {
if err := hook.Fire(entry); err != nil {
return err
......
vendor/github.com/Sirupsen/logrus/json_formatter.go
浏览文件 @ 201e5f9e
......@@ -3,20 +3,68 @@ package logrus
import (
"encoding/json"
"fmt"
"time"
)
type JSONFormatter struct{}
type fieldKey string
type FieldMap map[fieldKey]string
const (
FieldKeyMsg = "msg"
FieldKeyLevel = "level"
FieldKeyTime = "time"
)
func (f FieldMap) resolve(key fieldKey) string {
if k, ok := f[key]; ok {
return k
}
return string(key)
}
type JSONFormatter struct {
// TimestampFormat sets the format used for marshaling timestamps.
TimestampFormat string
// DisableTimestamp allows disabling automatic timestamps in output
DisableTimestamp bool
// FieldMap allows users to customize the names of keys for various fields.
// As an example:
// formatter := &JSONFormatter{
// FieldMap: FieldMap{
// FieldKeyTime: "@timestamp",
// FieldKeyLevel: "@level",
// FieldKeyMsg: "@message",
// },
// }
FieldMap FieldMap
}
func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
data := make(Fields, len(entry.Data)+3)
for k, v := range entry.Data {
data[k] = v
switch v := v.(type) {
case error:
// Otherwise errors are ignored by `encoding/json`
// https://github.com/sirupsen/logrus/issues/137
data[k] = v.Error()
default:
data[k] = v
}
}
prefixFieldClashes(data)
data["time"] = entry.Time.Format(time.RFC3339)
data["msg"] = entry.Message
data["level"] = entry.Level.String()
timestampFormat := f.TimestampFormat
if timestampFormat == "" {
timestampFormat = DefaultTimestampFormat
}
if !f.DisableTimestamp {
data[f.FieldMap.resolve(FieldKeyTime)] = entry.Time.Format(timestampFormat)
}
data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message
data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String()
serialized, err := json.Marshal(data)
if err != nil {
......
vendor/github.com/Sirupsen/logrus/logger.go
浏览文件 @ 201e5f9e
......@@ -4,17 +4,18 @@ import (
"io"
"os"
"sync"
"sync/atomic"
)
type Logger struct {
// The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
// file, or leave it default which is `os.Stdout`. You can also set this to
// file, or leave it default which is `os.Stderr`. You can also set this to
// something more adventorous, such as logging to Kafka.
Out io.Writer
// Hooks for the logger instance. These allow firing events based on logging
// levels and log entries. For example, to send errors to an error tracking
// service, log to StatsD or dump the core on fatal errors.
Hooks levelHooks
Hooks LevelHooks
// All log entries pass through the formatter before logged to Out. The
// included formatters are `TextFormatter` and `JSONFormatter` for which
// TextFormatter is the default. In development (when a TTY is attached) it
......@@ -26,8 +27,31 @@ type Logger struct {
// to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
// logged. `logrus.Debug` is useful in
Level Level
// Used to sync writing to the log.
mu sync.Mutex
// Used to sync writing to the log. Locking is enabled by Default
mu MutexWrap
// Reusable empty entry
entryPool sync.Pool
}
type MutexWrap struct {
lock sync.Mutex
disabled bool
}
func (mw *MutexWrap) Lock() {
if !mw.disabled {
mw.lock.Lock()
}
}
func (mw *MutexWrap) Unlock() {
if !mw.disabled {
mw.lock.Unlock()
}
}
func (mw *MutexWrap) Disable() {
mw.disabled = true
}
// Creates a new logger. Configuration should be set by changing `Formatter`,
......@@ -37,125 +61,257 @@ type Logger struct {
// var log = &Logger{
// Out: os.Stderr,
// Formatter: new(JSONFormatter),
// Hooks: make(levelHooks),
// Hooks: make(LevelHooks),
// Level: logrus.DebugLevel,
// }
//
// It's recommended to make this a global instance called `log`.
func New() *Logger {
return &Logger{
Out: os.Stdout,
Out: os.Stderr,
Formatter: new(TextFormatter),
Hooks: make(levelHooks),
Hooks: make(LevelHooks),
Level: InfoLevel,
}
}
// Adds a field to the log entry, note that you it doesn't log until you call
func (logger *Logger) newEntry() *Entry {
entry, ok := logger.entryPool.Get().(*Entry)
if ok {
return entry
}
return NewEntry(logger)
}
func (logger *Logger) releaseEntry(entry *Entry) {
logger.entryPool.Put(entry)
}
// Adds a field to the log entry, note that it doesn't log until you call
// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
// Ff you want multiple fields, use `WithFields`.
// If you want multiple fields, use `WithFields`.
func (logger *Logger) WithField(key string, value interface{}) *Entry {
return NewEntry(logger).WithField(key, value)
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithField(key, value)
}
// Adds a struct of fields to the log entry. All it does is call `WithField` for
// each `Field`.
func (logger *Logger) WithFields(fields Fields) *Entry {
return NewEntry(logger).WithFields(fields)
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithFields(fields)
}
// Add an error as single field to the log entry. All it does is call
// `WithError` for the given `error`.
func (logger *Logger) WithError(err error) *Entry {
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithError(err)
}
func (logger *Logger) Debugf(format string, args ...interface{}) {
NewEntry(logger).Debugf(format, args...)
if logger.level() >= DebugLevel {
entry := logger.newEntry()
entry.Debugf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Infof(format string, args ...interface{}) {
NewEntry(logger).Infof(format, args...)
if logger.level() >= InfoLevel {
entry := logger.newEntry()
entry.Infof(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Printf(format string, args ...interface{}) {
NewEntry(logger).Printf(format, args...)
entry := logger.newEntry()
entry.Printf(format, args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warnf(format string, args ...interface{}) {
NewEntry(logger).Warnf(format, args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warningf(format string, args ...interface{}) {
NewEntry(logger).Warnf(format, args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Errorf(format string, args ...interface{}) {
NewEntry(logger).Errorf(format, args...)
if logger.level() >= ErrorLevel {
entry := logger.newEntry()
entry.Errorf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatalf(format string, args ...interface{}) {
NewEntry(logger).Fatalf(format, args...)
if logger.level() >= FatalLevel {
entry := logger.newEntry()
entry.Fatalf(format, args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panicf(format string, args ...interface{}) {
NewEntry(logger).Panicf(format, args...)
if logger.level() >= PanicLevel {
entry := logger.newEntry()
entry.Panicf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Debug(args ...interface{}) {
NewEntry(logger).Debug(args...)
if logger.level() >= DebugLevel {
entry := logger.newEntry()
entry.Debug(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Info(args ...interface{}) {
NewEntry(logger).Info(args...)
if logger.level() >= InfoLevel {
entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Print(args ...interface{}) {
NewEntry(logger).Info(args...)
entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warn(args ...interface{}) {
NewEntry(logger).Warn(args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warning(args ...interface{}) {
NewEntry(logger).Warn(args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Error(args ...interface{}) {
NewEntry(logger).Error(args...)
if logger.level() >= ErrorLevel {
entry := logger.newEntry()
entry.Error(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatal(args ...interface{}) {
NewEntry(logger).Fatal(args...)
if logger.level() >= FatalLevel {
entry := logger.newEntry()
entry.Fatal(args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panic(args ...interface{}) {
NewEntry(logger).Panic(args...)
if logger.level() >= PanicLevel {
entry := logger.newEntry()
entry.Panic(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Debugln(args ...interface{}) {
NewEntry(logger).Debugln(args...)
if logger.level() >= DebugLevel {
entry := logger.newEntry()
entry.Debugln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Infoln(args ...interface{}) {
NewEntry(logger).Infoln(args...)
if logger.level() >= InfoLevel {
entry := logger.newEntry()
entry.Infoln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Println(args ...interface{}) {
NewEntry(logger).Println(args...)
entry := logger.newEntry()
entry.Println(args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warnln(args ...interface{}) {
NewEntry(logger).Warnln(args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warningln(args ...interface{}) {
NewEntry(logger).Warnln(args...)
if logger.level() >= WarnLevel {
entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Errorln(args ...interface{}) {
NewEntry(logger).Errorln(args...)
if logger.level() >= ErrorLevel {
entry := logger.newEntry()
entry.Errorln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatalln(args ...interface{}) {
NewEntry(logger).Fatalln(args...)
if logger.level() >= FatalLevel {
entry := logger.newEntry()
entry.Fatalln(args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panicln(args ...interface{}) {
NewEntry(logger).Panicln(args...)
if logger.level() >= PanicLevel {
entry := logger.newEntry()
entry.Panicln(args...)
logger.releaseEntry(entry)
}
}
//When file is opened with appending mode, it's safe to
//write concurrently to a file (within 4k message on Linux).
//In these cases user can choose to disable the lock.
func (logger *Logger) SetNoLock() {
logger.mu.Disable()
}
func (logger *Logger) level() Level {
return Level(atomic.LoadUint32((*uint32)(&logger.Level)))
}
func (logger *Logger) setLevel(level Level) {
atomic.StoreUint32((*uint32)(&logger.Level), uint32(level))
}
vendor/github.com/Sirupsen/logrus/logrus.go
浏览文件 @ 201e5f9e
......@@ -3,13 +3,14 @@ package logrus
import (
"fmt"
"log"
"strings"
)
// Fields type, used to pass to `WithFields`.
type Fields map[string]interface{}
// Level type
type Level uint8
type Level uint32
// Convert the Level to a string. E.g. PanicLevel becomes "panic".
func (level Level) String() string {
......@@ -33,7 +34,7 @@ func (level Level) String() string {
// ParseLevel takes a string level and returns the Logrus log level constant.
func ParseLevel(lvl string) (Level, error) {
switch lvl {
switch strings.ToLower(lvl) {
case "panic":
return PanicLevel, nil
case "fatal":
......@@ -52,6 +53,16 @@ func ParseLevel(lvl string) (Level, error) {
return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
}
// A constant exposing all logging levels
var AllLevels = []Level{
PanicLevel,
FatalLevel,
ErrorLevel,
WarnLevel,
InfoLevel,
DebugLevel,
}
// These are the different logging levels. You can set the logging level to log
// on your instance of logger, obtained with `logrus.New()`.
const (
......@@ -74,7 +85,11 @@ const (
)
// Won't compile if StdLogger can't be realized by a log.Logger
var _ StdLogger = &log.Logger{}
var (
_ StdLogger = &log.Logger{}
_ StdLogger = &Entry{}
_ StdLogger = &Logger{}
)
// StdLogger is what your logrus-enabled library should take, that way
// it'll accept a stdlib logger and a logrus logger. There's no standard
......@@ -92,3 +107,37 @@ type StdLogger interface {
Panicf(string, ...interface{})
Panicln(...interface{})
}
// The FieldLogger interface generalizes the Entry and Logger types
type FieldLogger interface {
WithField(key string, value interface{}) *Entry
WithFields(fields Fields) *Entry
WithError(err error) *Entry
Debugf(format string, args ...interface{})
Infof(format string, args ...interface{})
Printf(format string, args ...interface{})
Warnf(format string, args ...interface{})
Warningf(format string, args ...interface{})
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
Panicf(format string, args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Print(args ...interface{})
Warn(args ...interface{})
Warning(args ...interface{})
Error(args ...interface{})
Fatal(args ...interface{})
Panic(args ...interface{})
Debugln(args ...interface{})
Infoln(args ...interface{})
Println(args ...interface{})
Warnln(args ...interface{})
Warningln(args ...interface{})
Errorln(args ...interface{})
Fatalln(args ...interface{})
Panicln(args ...interface{})
}
vendor/github.com/Sirupsen/logrus/terminal_appengine.go 0 → 100644
浏览文件 @ 201e5f9e
// +build appengine
package logrus
import "io"
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
return true
}
vendor/github.com/Sirupsen/logrus/terminal_darwin.go → vendor/github.com/Sirupsen/logrus/terminal_bsd.go
浏览文件 @ 201e5f9e
// Based on ssh/terminal:
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus
......
vendor/github.com/Sirupsen/logrus/terminal_freebsd.go 已删除 100644 → 0
浏览文件 @ b2eb5183
/*
Go 1.2 doesn't include Termios for FreeBSD. This should be added in 1.3 and this could be merged with terminal_darwin.
*/
package logrus
import (
"syscall"
)
const ioctlReadTermios = syscall.TIOCGETA
type Termios struct {
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]uint8
Ispeed uint32
Ospeed uint32
}
vendor/github.com/Sirupsen/logrus/terminal_linux.go
浏览文件 @ 201e5f9e
......@@ -3,6 +3,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !appengine
package logrus
import "syscall"
......
vendor/github.com/Sirupsen/logrus/terminal_notwindows.go
浏览文件 @ 201e5f9e
......@@ -3,19 +3,26 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux,!appengine darwin freebsd
// +build linux darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus
import (
"io"
"os"
"syscall"
"unsafe"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stdout
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
var termios Termios
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return err == 0
switch v := f.(type) {
case *os.File:
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(v.Fd()), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return err == 0
default:
return false
}
}
vendor/github.com/Sirupsen/logrus/terminal_solaris.go 0 → 100644
浏览文件 @ 201e5f9e
// +build solaris,!appengine
package logrus
import (
"io"
"os"
"golang.org/x/sys/unix"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
switch v := f.(type) {
case *os.File:
_, err := unix.IoctlGetTermios(int(v.Fd()), unix.TCGETA)
return err == nil
default:
return false
}
}
vendor/github.com/Sirupsen/logrus/terminal_windows.go
浏览文件 @ 201e5f9e
......@@ -3,11 +3,18 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
// +build windows,!appengine
package logrus
import (
"bytes"
"errors"
"io"
"os"
"os/exec"
"strconv"
"strings"
"syscall"
"unsafe"
)
......@@ -16,12 +23,60 @@ var kernel32 = syscall.NewLazyDLL("kernel32.dll")
var (
procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
procSetConsoleMode = kernel32.NewProc("SetConsoleMode")
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stdout
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
const (
enableProcessedOutput = 0x0001
enableWrapAtEolOutput = 0x0002
enableVirtualTerminalProcessing = 0x0004
)
func getVersion() (float64, error) {
stdout, stderr := &bytes.Buffer{}, &bytes.Buffer{}
cmd := exec.Command("cmd", "ver")
cmd.Stdout = stdout
cmd.Stderr = stderr
err := cmd.Run()
if err != nil {
return -1, err
}
// The output should be like "Microsoft Windows [Version XX.X.XXXXXX]"
version := strings.Replace(stdout.String(), "\n", "", -1)
version = strings.Replace(version, "\r\n", "", -1)
x1 := strings.Index(version, "[Version")
if x1 == -1 || strings.Index(version, "]") == -1 {
return -1, errors.New("Can't determine Windows version")
}
return strconv.ParseFloat(version[x1+9:x1+13], 64)
}
func init() {
ver, err := getVersion()
if err != nil {
return
}
// Activate Virtual Processing for Windows CMD
// Info: https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
if ver >= 10 {
handle := syscall.Handle(os.Stderr.Fd())
procSetConsoleMode.Call(uintptr(handle), enableProcessedOutput|enableWrapAtEolOutput|enableVirtualTerminalProcessing)
}
}
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
switch v := f.(type) {
case *os.File:
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(v.Fd()), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
default:
return false
}
}
vendor/github.com/Sirupsen/logrus/text_formatter.go
浏览文件 @ 201e5f9e
......@@ -3,9 +3,9 @@ package logrus
import (
"bytes"
"fmt"
"regexp"
"sort"
"strings"
"sync"
"time"
)
......@@ -15,54 +15,98 @@ const (
green = 32
yellow = 33
blue = 34
gray = 37
)
var (
baseTimestamp time.Time
isTerminal bool
noQuoteNeeded *regexp.Regexp
)
func init() {
baseTimestamp = time.Now()
isTerminal = IsTerminal()
}
func miniTS() int {
return int(time.Since(baseTimestamp) / time.Second)
}
type TextFormatter struct {
// Set to true to bypass checking for a TTY before outputting colors.
ForceColors bool
ForceColors bool
// Force disabling colors.
DisableColors bool
// Set to true to disable timestamp logging (useful when the output
// is redirected to a logging system already adding a timestamp)
// Disable timestamp logging. useful when output is redirected to logging
// system that already adds timestamps.
DisableTimestamp bool
// Enable logging the full timestamp when a TTY is attached instead of just
// the time passed since beginning of execution.
FullTimestamp bool
// TimestampFormat to use for display when a full timestamp is printed
TimestampFormat string
// The fields are sorted by default for a consistent output. For applications
// that log extremely frequently and don't use the JSON formatter this may not
// be desired.
DisableSorting bool
// QuoteEmptyFields will wrap empty fields in quotes if true
QuoteEmptyFields bool
// QuoteCharacter can be set to the override the default quoting character "
// with something else. For example: ', or `.
QuoteCharacter string
// Whether the logger's out is to a terminal
isTerminal bool
sync.Once
}
func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
func (f *TextFormatter) init(entry *Entry) {
if len(f.QuoteCharacter) == 0 {
f.QuoteCharacter = "\""
}
if entry.Logger != nil {
f.isTerminal = IsTerminal(entry.Logger.Out)
}
}
var keys []string
func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
var b *bytes.Buffer
keys := make([]string, 0, len(entry.Data))
for k := range entry.Data {
keys = append(keys, k)
}
sort.Strings(keys)
b := &bytes.Buffer{}
if !f.DisableSorting {
sort.Strings(keys)
}
if entry.Buffer != nil {
b = entry.Buffer
} else {
b = &bytes.Buffer{}
}
prefixFieldClashes(entry.Data)
isColored := (f.ForceColors || isTerminal) && !f.DisableColors
f.Do(func() { f.init(entry) })
isColored := (f.ForceColors || f.isTerminal) && !f.DisableColors
timestampFormat := f.TimestampFormat
if timestampFormat == "" {
timestampFormat = DefaultTimestampFormat
}
if isColored {
printColored(b, entry, keys)
f.printColored(b, entry, keys, timestampFormat)
} else {
if !f.DisableTimestamp {
f.appendKeyValue(b, "time", entry.Time.Format(time.RFC3339))
f.appendKeyValue(b, "time", entry.Time.Format(timestampFormat))
}
f.appendKeyValue(b, "level", entry.Level.String())
f.appendKeyValue(b, "msg", entry.Message)
if entry.Message != "" {
f.appendKeyValue(b, "msg", entry.Message)
}
for _, key := range keys {
f.appendKeyValue(b, key, entry.Data[key])
}
......@@ -72,9 +116,11 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
return b.Bytes(), nil
}
func printColored(b *bytes.Buffer, entry *Entry, keys []string) {
func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []string, timestampFormat string) {
var levelColor int
switch entry.Level {
case DebugLevel:
levelColor = gray
case WarnLevel:
levelColor = yellow
case ErrorLevel, FatalLevel, PanicLevel:
......@@ -85,40 +131,59 @@ func printColored(b *bytes.Buffer, entry *Entry, keys []string) {
levelText := strings.ToUpper(entry.Level.String())[0:4]
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message)
if f.DisableTimestamp {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m %-44s ", levelColor, levelText, entry.Message)
} else if !f.FullTimestamp {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, int(entry.Time.Sub(baseTimestamp)/time.Second), entry.Message)
} else {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s] %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), entry.Message)
}
for _, k := range keys {
v := entry.Data[k]
fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%v", levelColor, k, v)
fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=", levelColor, k)
f.appendValue(b, v)
}
}
func needsQuoting(text string) bool {
func (f *TextFormatter) needsQuoting(text string) bool {
if f.QuoteEmptyFields && len(text) == 0 {
return true
}
for _, ch := range text {
if !((ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch < '9') ||
(ch >= '0' && ch <= '9') ||
ch == '-' || ch == '.') {
return false
return true
}
}
return true
return false
}
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) {
b.WriteString(key)
b.WriteByte('=')
f.appendValue(b, value)
b.WriteByte(' ')
}
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key, value interface{}) {
switch value.(type) {
func (f *TextFormatter) appendValue(b *bytes.Buffer, value interface{}) {
switch value := value.(type) {
case string:
if needsQuoting(value.(string)) {
fmt.Fprintf(b, "%v=%s ", key, value)
if !f.needsQuoting(value) {
b.WriteString(value)
} else {
fmt.Fprintf(b, "%v=%q ", key, value)
fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, value, f.QuoteCharacter)
}
case error:
if needsQuoting(value.(error).Error()) {
fmt.Fprintf(b, "%v=%s ", key, value)
errmsg := value.Error()
if !f.needsQuoting(errmsg) {
b.WriteString(errmsg)
} else {
fmt.Fprintf(b, "%v=%q ", key, value)
fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, errmsg, f.QuoteCharacter)
}
default:
fmt.Fprintf(b, "%v=%v ", key, value)
fmt.Fprint(b, value)
}
}
vendor/github.com/Sirupsen/logrus/writer.go 0 → 100644
浏览文件 @ 201e5f9e
package logrus
import (
"bufio"
"io"
"runtime"
)
func (logger *Logger) Writer() *io.PipeWriter {
return logger.WriterLevel(InfoLevel)
}
func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
return NewEntry(logger).WriterLevel(level)
}
func (entry *Entry) Writer() *io.PipeWriter {
return entry.WriterLevel(InfoLevel)
}
func (entry *Entry) WriterLevel(level Level) *io.PipeWriter {
reader, writer := io.Pipe()
var printFunc func(args ...interface{})
switch level {
case DebugLevel:
printFunc = entry.Debug
case InfoLevel:
printFunc = entry.Info
case WarnLevel:
printFunc = entry.Warn
case ErrorLevel:
printFunc = entry.Error
case FatalLevel:
printFunc = entry.Fatal
case PanicLevel:
printFunc = entry.Panic
default:
printFunc = entry.Print
}
go entry.writerScanner(reader, printFunc)
runtime.SetFinalizer(writer, writerFinalizer)
return writer
}
func (entry *Entry) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
printFunc(scanner.Text())
}
if err := scanner.Err(); err != nil {
entry.Errorf("Error while reading from Writer: %s", err)
}
reader.Close()
}
func writerFinalizer(writer *io.PipeWriter) {
writer.Close()
}
vendor/github.com/containers/image/LICENSE 0 → 100644
浏览文件 @ 201e5f9e
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
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
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,
publicly display, publicly perform, sublicense, and distribute the
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
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,
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
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.
vendor/github.com/containers/image/copy/copy.go 0 → 100644
浏览文件 @ 201e5f9e
此差异已折叠。
vendor/github.com/containers/image/copy/manifest.go 0 → 100644
浏览文件 @ 201e5f9e
package copy
import (
"strings"
"github.com/Sirupsen/logrus"
"github.com/containers/image/manifest"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
// preferredManifestMIMETypes lists manifest MIME types in order of our preference, if we can't use the original manifest and need to convert.
// Prefer v2s2 to v2s1 because v2s2 does not need to be changed when uploading to a different location.
// Include v2s1 signed but not v2s1 unsigned, because docker/distribution requires a signature even if the unsigned MIME type is used.
var preferredManifestMIMETypes = []string{manifest.DockerV2Schema2MediaType, manifest.DockerV2Schema1SignedMediaType}
// orderedSet is a list of strings (MIME types in our case), with each string appearing at most once.
type orderedSet struct {
list []string
included map[string]struct{}
}
// newOrderedSet creates a correctly initialized orderedSet.
// [Sometimes it would be really nice if Golang had constructors…]
func newOrderedSet() *orderedSet {
return &orderedSet{
list: []string{},
included: map[string]struct{}{},
}
}
// append adds s to the end of os, only if it is not included already.
func (os *orderedSet) append(s string) {
if _, ok := os.included[s]; !ok {
os.list = append(os.list, s)
os.included[s] = struct{}{}
}
}
// determineManifestConversion updates manifestUpdates to convert manifest to a supported MIME type, if necessary and canModifyManifest.
// Note that the conversion will only happen later, through src.UpdatedImage
// Returns the preferred manifest MIME type (whether we are converting to it or using it unmodified),
// and a list of other possible alternatives, in order.
func determineManifestConversion(manifestUpdates *types.ManifestUpdateOptions, src types.Image, destSupportedManifestMIMETypes []string, canModifyManifest bool) (string, []string, error) {
_, srcType, err := src.Manifest()
if err != nil { // This should have been cached?!
return "", nil, errors.Wrap(err, "Error reading manifest")
}
if len(destSupportedManifestMIMETypes) == 0 {
return srcType, []string{}, nil // Anything goes; just use the original as is, do not try any conversions.
}
supportedByDest := map[string]struct{}{}
for _, t := range destSupportedManifestMIMETypes {
supportedByDest[t] = struct{}{}
}
// destSupportedManifestMIMETypes is a static guess; a particular registry may still only support a subset of the types.
// So, build a list of types to try in order of decreasing preference.
// FIXME? This treats manifest.DockerV2Schema1SignedMediaType and manifest.DockerV2Schema1MediaType as distinct,
// although we are not really making any conversion, and it is very unlikely that a destination would support one but not the other.
// In practice, schema1 is probably the lowest common denominator, so we would expect to try the first one of the MIME types
// and never attempt the other one.
prioritizedTypes := newOrderedSet()
// First of all, prefer to keep the original manifest unmodified.
if _, ok := supportedByDest[srcType]; ok {
prioritizedTypes.append(srcType)
}
if !canModifyManifest {
// We could also drop the !canModifyManifest parameter and have the caller
// make the choice; it is already doing that to an extent, to improve error
// messages. But it is nice to hide the “if !canModifyManifest, do no conversion”
// special case in here; the caller can then worry (or not) only about a good UI.
logrus.Debugf("We can't modify the manifest, hoping for the best...")
return srcType, []string{}, nil // Take our chances - FIXME? Or should we fail without trying?
}
// Then use our list of preferred types.
for _, t := range preferredManifestMIMETypes {
if _, ok := supportedByDest[t]; ok {
prioritizedTypes.append(t)
}
}
// Finally, try anything else the destination supports.
for _, t := range destSupportedManifestMIMETypes {
prioritizedTypes.append(t)
}
logrus.Debugf("Manifest has MIME type %s, ordered candidate list [%s]", srcType, strings.Join(prioritizedTypes.list, ", "))
if len(prioritizedTypes.list) == 0 { // Coverage: destSupportedManifestMIMETypes is not empty (or we would have exited in the “Anything goes” case above), so this should never happen.
return "", nil, errors.New("Internal error: no candidate MIME types")
}
preferredType := prioritizedTypes.list[0]
if preferredType != srcType {
manifestUpdates.ManifestMIMEType = preferredType
} else {
logrus.Debugf("... will first try using the original manifest unmodified")
}
return preferredType, prioritizedTypes.list[1:], nil
}
vendor/github.com/containers/image/copy/progress_reader.go 0 → 100644
浏览文件 @ 201e5f9e
package copy
import (
"io"
"time"
"github.com/containers/image/types"
)
// progressReader is a reader that reports its progress on an interval.
type progressReader struct {
source io.Reader
channel chan types.ProgressProperties
interval time.Duration
artifact types.BlobInfo
lastTime time.Time
offset uint64
}
func (r *progressReader) Read(p []byte) (int, error) {
n, err := r.source.Read(p)
r.offset += uint64(n)
if time.Since(r.lastTime) > r.interval {
r.channel <- types.ProgressProperties{Artifact: r.artifact, Offset: r.offset}
r.lastTime = time.Now()
}
return n, err
}
vendor/github.com/containers/image/copy/sign.go 0 → 100644
浏览文件 @ 201e5f9e
package copy
import (
"fmt"
"io"
"github.com/containers/image/signature"
"github.com/containers/image/transports"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
// createSignature creates a new signature of manifest at (identified by) dest using keyIdentity.
func createSignature(dest types.ImageDestination, manifest []byte, keyIdentity string, reportWriter io.Writer) ([]byte, error) {
mech, err := signature.NewGPGSigningMechanism()
if err != nil {
return nil, errors.Wrap(err, "Error initializing GPG")
}
defer mech.Close()
if err := mech.SupportsSigning(); err != nil {
return nil, errors.Wrap(err, "Signing not supported")
}
dockerReference := dest.Reference().DockerReference()
if dockerReference == nil {
return nil, errors.Errorf("Cannot determine canonical Docker reference for destination %s", transports.ImageName(dest.Reference()))
}
fmt.Fprintf(reportWriter, "Signing manifest\n")
newSig, err := signature.SignDockerManifest(manifest, dockerReference.String(), mech, keyIdentity)
if err != nil {
return nil, errors.Wrap(err, "Error creating signature")
}
return newSig, nil
}
vendor/github.com/containers/image/docker/archive/dest.go 0 → 100644
浏览文件 @ 201e5f9e
package archive
import (
"io"
"os"
"github.com/containers/image/docker/tarfile"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
type archiveImageDestination struct {
*tarfile.Destination // Implements most of types.ImageDestination
ref archiveReference
writer io.Closer
}
func newImageDestination(ctx *types.SystemContext, ref archiveReference) (types.ImageDestination, error) {
if ref.destinationRef == nil {
return nil, errors.Errorf("docker-archive: destination reference not supplied (must be of form <path>:<reference:tag>)")
}
// ref.path can be either a pipe or a regular file
// in the case of a pipe, we require that we can open it for write
// in the case of a regular file, we don't want to overwrite any pre-existing file
// so we check for Size() == 0 below (This is racy, but using O_EXCL would also be racy,
// only in a different way. Either way, it’s up to the user to not have two writers to the same path.)
fh, err := os.OpenFile(ref.path, os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
return nil, errors.Wrapf(err, "error opening file %q", ref.path)
}
fhStat, err := fh.Stat()
if err != nil {
return nil, errors.Wrapf(err, "error statting file %q", ref.path)
}
if fhStat.Mode().IsRegular() && fhStat.Size() != 0 {
return nil, errors.New("docker-archive doesn't support modifying existing images")
}
return &archiveImageDestination{
Destination: tarfile.NewDestination(fh, ref.destinationRef),
ref: ref,
writer: fh,
}, nil
}
// Reference returns the reference used to set up this destination. Note that this should directly correspond to user's intent,
// e.g. it should use the public hostname instead of the result of resolving CNAMEs or following redirects.
func (d *archiveImageDestination) Reference() types.ImageReference {
return d.ref
}
// Close removes resources associated with an initialized ImageDestination, if any.
func (d *archiveImageDestination) Close() error {
return d.writer.Close()
}
// Commit marks the process of storing the image as successful and asks for the image to be persisted.
// WARNING: This does not have any transactional semantics:
// - Uploaded data MAY be visible to others before Commit() is called
// - Uploaded data MAY be removed or MAY remain around if Close() is called without Commit() (i.e. rollback is allowed but not guaranteed)
func (d *archiveImageDestination) Commit() error {
return d.Destination.Commit()
}
vendor/github.com/containers/image/docker/archive/src.go 0 → 100644
浏览文件 @ 201e5f9e
package archive
import (
"github.com/Sirupsen/logrus"
"github.com/containers/image/docker/tarfile"
"github.com/containers/image/types"
)
type archiveImageSource struct {
*tarfile.Source // Implements most of types.ImageSource
ref archiveReference
}
// newImageSource returns a types.ImageSource for the specified image reference.
// The caller must call .Close() on the returned ImageSource.
func newImageSource(ctx *types.SystemContext, ref archiveReference) types.ImageSource {
if ref.destinationRef != nil {
logrus.Warnf("docker-archive: references are not supported for sources (ignoring)")
}
src := tarfile.NewSource(ref.path)
return &archiveImageSource{
Source: src,
ref: ref,
}
}
// Reference returns the reference used to set up this source, _as specified by the user_
// (not as the image itself, or its underlying storage, claims). This can be used e.g. to determine which public keys are trusted for this image.
func (s *archiveImageSource) Reference() types.ImageReference {
return s.ref
}
// Close removes resources associated with an initialized ImageSource, if any.
func (s *archiveImageSource) Close() error {
return nil
}
vendor/github.com/containers/image/docker/archive/transport.go 0 → 100644
浏览文件 @ 201e5f9e
package archive
import (
"fmt"
"strings"
"github.com/containers/image/docker/reference"
ctrImage "github.com/containers/image/image"
"github.com/containers/image/transports"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
func init() {
transports.Register(Transport)
}
// Transport is an ImageTransport for local Docker archives.
var Transport = archiveTransport{}
type archiveTransport struct{}
func (t archiveTransport) Name() string {
return "docker-archive"
}
// ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an ImageReference.
func (t archiveTransport) ParseReference(reference string) (types.ImageReference, error) {
return ParseReference(reference)
}
// ValidatePolicyConfigurationScope checks that scope is a valid name for a signature.PolicyTransportScopes keys
// (i.e. a valid PolicyConfigurationIdentity() or PolicyConfigurationNamespaces() return value).
// It is acceptable to allow an invalid value which will never be matched, it can "only" cause user confusion.
// scope passed to this function will not be "", that value is always allowed.
func (t archiveTransport) ValidatePolicyConfigurationScope(scope string) error {
// See the explanation in archiveReference.PolicyConfigurationIdentity.
return errors.New(`docker-archive: does not support any scopes except the default "" one`)
}
// archiveReference is an ImageReference for Docker images.
type archiveReference struct {
destinationRef reference.NamedTagged // only used for destinations
path string
}
// ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an Docker ImageReference.
func ParseReference(refString string) (types.ImageReference, error) {
if refString == "" {
return nil, errors.Errorf("docker-archive reference %s isn't of the form <path>[:<reference>]", refString)
}
parts := strings.SplitN(refString, ":", 2)
path := parts[0]
var destinationRef reference.NamedTagged
// A :tag was specified, which is only necessary for destinations.
if len(parts) == 2 {
ref, err := reference.ParseNormalizedNamed(parts[1])
if err != nil {
return nil, errors.Wrapf(err, "docker-archive parsing reference")
}
ref = reference.TagNameOnly(ref)
if _, isDigest := ref.(reference.Canonical); isDigest {
return nil, errors.Errorf("docker-archive doesn't support digest references: %s", refString)
}
refTagged, isTagged := ref.(reference.NamedTagged)
if !isTagged {
// Really shouldn't be hit...
return nil, errors.Errorf("internal error: reference is not tagged even after reference.TagNameOnly: %s", refString)
}
destinationRef = refTagged
}
return archiveReference{
destinationRef: destinationRef,
path: path,
}, nil
}
func (ref archiveReference) Transport() types.ImageTransport {
return Transport
}
// StringWithinTransport returns a string representation of the reference, which MUST be such that
// reference.Transport().ParseReference(reference.StringWithinTransport()) returns an equivalent reference.
// NOTE: The returned string is not promised to be equal to the original input to ParseReference;
// e.g. default attribute values omitted by the user may be filled in in the return value, or vice versa.
// WARNING: Do not use the return value in the UI to describe an image, it does not contain the Transport().Name() prefix.
func (ref archiveReference) StringWithinTransport() string {
if ref.destinationRef == nil {
return ref.path
}
return fmt.Sprintf("%s:%s", ref.path, ref.destinationRef.String())
}
// DockerReference returns a Docker reference associated with this reference
// (fully explicit, i.e. !reference.IsNameOnly, but reflecting user intent,
// not e.g. after redirect or alias processing), or nil if unknown/not applicable.
func (ref archiveReference) DockerReference() reference.Named {
return ref.destinationRef
}
// PolicyConfigurationIdentity returns a string representation of the reference, suitable for policy lookup.
// This MUST reflect user intent, not e.g. after processing of third-party redirects or aliases;
// The value SHOULD be fully explicit about its semantics, with no hidden defaults, AND canonical
// (i.e. various references with exactly the same semantics should return the same configuration identity)
// It is fine for the return value to be equal to StringWithinTransport(), and it is desirable but
// not required/guaranteed that it will be a valid input to Transport().ParseReference().
// Returns "" if configuration identities for these references are not supported.
func (ref archiveReference) PolicyConfigurationIdentity() string {
// Punt, the justification is similar to dockerReference.PolicyConfigurationIdentity.
return ""
}
// PolicyConfigurationNamespaces returns a list of other policy configuration namespaces to search
// for if explicit configuration for PolicyConfigurationIdentity() is not set. The list will be processed
// in order, terminating on first match, and an implicit "" is always checked at the end.
// It is STRONGLY recommended for the first element, if any, to be a prefix of PolicyConfigurationIdentity(),
// and each following element to be a prefix of the element preceding it.
func (ref archiveReference) PolicyConfigurationNamespaces() []string {
// TODO
return []string{}
}
// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
// The caller must call .Close() on the returned Image.
// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
func (ref archiveReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
src := newImageSource(ctx, ref)
return ctrImage.FromSource(src)
}
// NewImageSource returns a types.ImageSource for this reference,
// asking the backend to use a manifest from requestedManifestMIMETypes if possible.
// nil requestedManifestMIMETypes means manifest.DefaultRequestedManifestMIMETypes.
// The caller must call .Close() on the returned ImageSource.
func (ref archiveReference) NewImageSource(ctx *types.SystemContext, requestedManifestMIMETypes []string) (types.ImageSource, error) {
return newImageSource(ctx, ref), nil
}
// NewImageDestination returns a types.ImageDestination for this reference.
// The caller must call .Close() on the returned ImageDestination.
func (ref archiveReference) NewImageDestination(ctx *types.SystemContext) (types.ImageDestination, error) {
return newImageDestination(ctx, ref)
}
// DeleteImage deletes the named image from the registry, if supported.
func (ref archiveReference) DeleteImage(ctx *types.SystemContext) error {
// Not really supported, for safety reasons.
return errors.New("Deleting images not implemented for docker-archive: images")
}
vendor/github.com/containers/image/docker/docker_client.go 0 → 100644
浏览文件 @ 201e5f9e
package docker
import (
"context"
"crypto/tls"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"os"
"path/filepath"
"strings"
"time"
"github.com/Sirupsen/logrus"
"github.com/containers/image/docker/reference"
"github.com/containers/image/types"
"github.com/containers/storage/pkg/homedir"
"github.com/docker/distribution/registry/client"
"github.com/docker/go-connections/sockets"
"github.com/docker/go-connections/tlsconfig"
"github.com/opencontainers/go-digest"
"github.com/pkg/errors"
)
const (
dockerHostname = "docker.io"
dockerRegistry = "registry-1.docker.io"
dockerAuthRegistry = "https://index.docker.io/v1/"
dockerCfg = ".docker"
dockerCfgFileName = "config.json"
dockerCfgObsolete = ".dockercfg"
systemPerHostCertDirPath = "/etc/docker/certs.d"
resolvedPingV2URL = "%s://%s/v2/"
resolvedPingV1URL = "%s://%s/v1/_ping"
tagsPath = "/v2/%s/tags/list"
manifestPath = "/v2/%s/manifests/%s"
blobsPath = "/v2/%s/blobs/%s"
blobUploadPath = "/v2/%s/blobs/uploads/"
extensionsSignaturePath = "/extensions/v2/%s/signatures/%s"
minimumTokenLifetimeSeconds = 60
extensionSignatureSchemaVersion = 2 // extensionSignature.Version
extensionSignatureTypeAtomic = "atomic" // extensionSignature.Type
)
// ErrV1NotSupported is returned when we're trying to talk to a
// docker V1 registry.
var ErrV1NotSupported = errors.New("can't talk to a V1 docker registry")
// extensionSignature and extensionSignatureList come from github.com/openshift/origin/pkg/dockerregistry/server/signaturedispatcher.go:
// signature represents a Docker image signature.
type extensionSignature struct {
Version int `json:"schemaVersion"` // Version specifies the schema version
Name string `json:"name"` // Name must be in "sha256:<digest>@signatureName" format
Type string `json:"type"` // Type is optional, of not set it will be defaulted to "AtomicImageV1"
Content []byte `json:"content"` // Content contains the signature
}
// signatureList represents list of Docker image signatures.
type extensionSignatureList struct {
Signatures []extensionSignature `json:"signatures"`
}
type bearerToken struct {
Token string `json:"token"`
ExpiresIn int `json:"expires_in"`
IssuedAt time.Time `json:"issued_at"`
}
// dockerClient is configuration for dealing with a single Docker registry.
type dockerClient struct {
// The following members are set by newDockerClient and do not change afterwards.
ctx *types.SystemContext
registry string
username string
password string
client *http.Client
signatureBase signatureStorageBase
scope authScope
// The following members are detected registry properties:
// They are set after a successful detectProperties(), and never change afterwards.
scheme string // Empty value also used to indicate detectProperties() has not yet succeeded.
challenges []challenge
supportsSignatures bool
// The following members are private state for setupRequestAuth, both are valid if token != nil.
token *bearerToken
tokenExpiration time.Time
}
type authScope struct {
remoteName string
actions string
}
// this is cloned from docker/go-connections because upstream docker has changed
// it and make deps here fails otherwise.
// We'll drop this once we upgrade to docker 1.13.x deps.
func serverDefault() *tls.Config {
return &tls.Config{
// Avoid fallback to SSL protocols < TLS1.0
MinVersion: tls.VersionTLS10,
PreferServerCipherSuites: true,
CipherSuites: tlsconfig.DefaultServerAcceptedCiphers,
}
}
func newTransport() *http.Transport {
direct := &net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: direct.Dial,
TLSHandshakeTimeout: 10 * time.Second,
// TODO(dmcgowan): Call close idle connections when complete and use keep alive
DisableKeepAlives: true,
}
proxyDialer, err := sockets.DialerFromEnvironment(direct)
if err == nil {
tr.Dial = proxyDialer.Dial
}
return tr
}
// dockerCertDir returns a path to a directory to be consumed by setupCertificates() depending on ctx and hostPort.
func dockerCertDir(ctx *types.SystemContext, hostPort string) string {
if ctx != nil && ctx.DockerCertPath != "" {
return ctx.DockerCertPath
}
var hostCertDir string
if ctx != nil && ctx.DockerPerHostCertDirPath != "" {
hostCertDir = ctx.DockerPerHostCertDirPath
} else if ctx != nil && ctx.RootForImplicitAbsolutePaths != "" {
hostCertDir = filepath.Join(ctx.RootForImplicitAbsolutePaths, systemPerHostCertDirPath)
} else {
hostCertDir = systemPerHostCertDirPath
}
return filepath.Join(hostCertDir, hostPort)
}
func setupCertificates(dir string, tlsc *tls.Config) error {
logrus.Debugf("Looking for TLS certificates and private keys in %s", dir)
fs, err := ioutil.ReadDir(dir)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
for _, f := range fs {
fullPath := filepath.Join(dir, f.Name())
if strings.HasSuffix(f.Name(), ".crt") {
systemPool, err := tlsconfig.SystemCertPool()
if err != nil {
return errors.Wrap(err, "unable to get system cert pool")
}
tlsc.RootCAs = systemPool
logrus.Debugf(" crt: %s", fullPath)
data, err := ioutil.ReadFile(fullPath)
if err != nil {
return err
}
tlsc.RootCAs.AppendCertsFromPEM(data)
}
if strings.HasSuffix(f.Name(), ".cert") {
certName := f.Name()
keyName := certName[:len(certName)-5] + ".key"
logrus.Debugf(" cert: %s", fullPath)
if !hasFile(fs, keyName) {
return errors.Errorf("missing key %s for client certificate %s. Note that CA certificates should use the extension .crt", keyName, certName)
}
cert, err := tls.LoadX509KeyPair(filepath.Join(dir, certName), filepath.Join(dir, keyName))
if err != nil {
return err
}
tlsc.Certificates = append(tlsc.Certificates, cert)
}
if strings.HasSuffix(f.Name(), ".key") {
keyName := f.Name()
certName := keyName[:len(keyName)-4] + ".cert"
logrus.Debugf(" key: %s", fullPath)
if !hasFile(fs, certName) {
return errors.Errorf("missing client certificate %s for key %s", certName, keyName)
}
}
}
return nil
}
func hasFile(files []os.FileInfo, name string) bool {
for _, f := range files {
if f.Name() == name {
return true
}
}
return false
}
// newDockerClient returns a new dockerClient instance for refHostname (a host a specified in the Docker image reference, not canonicalized to dockerRegistry)
// “write” specifies whether the client will be used for "write" access (in particular passed to lookaside.go:toplevelFromSection)
func newDockerClient(ctx *types.SystemContext, ref dockerReference, write bool, actions string) (*dockerClient, error) {
registry := reference.Domain(ref.ref)
if registry == dockerHostname {
registry = dockerRegistry
}
username, password, err := getAuth(ctx, reference.Domain(ref.ref))
if err != nil {
return nil, err
}
tr := newTransport()
tr.TLSClientConfig = serverDefault()
// It is undefined whether the host[:port] string for dockerHostname should be dockerHostname or dockerRegistry,
// because docker/docker does not read the certs.d subdirectory at all in that case. We use the user-visible
// dockerHostname here, because it is more symmetrical to read the configuration in that case as well, and because
// generally the UI hides the existence of the different dockerRegistry. But note that this behavior is
// undocumented and may change if docker/docker changes.
certDir := dockerCertDir(ctx, reference.Domain(ref.ref))
if err := setupCertificates(certDir, tr.TLSClientConfig); err != nil {
return nil, err
}
if ctx != nil && ctx.DockerInsecureSkipTLSVerify {
tr.TLSClientConfig.InsecureSkipVerify = true
}
client := &http.Client{Transport: tr}
sigBase, err := configuredSignatureStorageBase(ctx, ref, write)
if err != nil {
return nil, err
}
return &dockerClient{
ctx: ctx,
registry: registry,
username: username,
password: password,
client: client,
signatureBase: sigBase,
scope: authScope{
actions: actions,
remoteName: reference.Path(ref.ref),
},
}, nil
}
// makeRequest creates and executes a http.Request with the specified parameters, adding authentication and TLS options for the Docker client.
// The host name and schema is taken from the client or autodetected, and the path is relative to it, i.e. the path usually starts with /v2/.
func (c *dockerClient) makeRequest(ctx context.Context, method, path string, headers map[string][]string, stream io.Reader) (*http.Response, error) {
if err := c.detectProperties(ctx); err != nil {
return nil, err
}
url := fmt.Sprintf("%s://%s%s", c.scheme, c.registry, path)
return c.makeRequestToResolvedURL(ctx, method, url, headers, stream, -1, true)
}
// makeRequestToResolvedURL creates and executes a http.Request with the specified parameters, adding authentication and TLS options for the Docker client.
// streamLen, if not -1, specifies the length of the data expected on stream.
// makeRequest should generally be preferred.
// TODO(runcom): too many arguments here, use a struct
func (c *dockerClient) makeRequestToResolvedURL(ctx context.Context, method, url string, headers map[string][]string, stream io.Reader, streamLen int64, sendAuth bool) (*http.Response, error) {
req, err := http.NewRequest(method, url, stream)
if err != nil {
return nil, err
}
req = req.WithContext(ctx)
if streamLen != -1 { // Do not blindly overwrite if streamLen == -1, http.NewRequest above can figure out the length of bytes.Reader and similar objects without us having to compute it.
req.ContentLength = streamLen
}
req.Header.Set("Docker-Distribution-API-Version", "registry/2.0")
for n, h := range headers {
for _, hh := range h {
req.Header.Add(n, hh)
}
}
if c.ctx != nil && c.ctx.DockerRegistryUserAgent != "" {
req.Header.Add("User-Agent", c.ctx.DockerRegistryUserAgent)
}
if sendAuth {
if err := c.setupRequestAuth(req); err != nil {
return nil, err
}
}
logrus.Debugf("%s %s", method, url)
res, err := c.client.Do(req)
if err != nil {
return nil, err
}
return res, nil
}
// we're using the challenges from the /v2/ ping response and not the one from the destination
// URL in this request because:
//
// 1) docker does that as well
// 2) gcr.io is sending 401 without a WWW-Authenticate header in the real request
//
// debugging: https://github.com/containers/image/pull/211#issuecomment-273426236 and follows up
func (c *dockerClient) setupRequestAuth(req *http.Request) error {
if len(c.challenges) == 0 {
return nil
}
schemeNames := make([]string, 0, len(c.challenges))
for _, challenge := range c.challenges {
schemeNames = append(schemeNames, challenge.Scheme)
switch challenge.Scheme {
case "basic":
req.SetBasicAuth(c.username, c.password)
return nil
case "bearer":
if c.token == nil || time.Now().After(c.tokenExpiration) {
realm, ok := challenge.Parameters["realm"]
if !ok {
return errors.Errorf("missing realm in bearer auth challenge")
}
service, _ := challenge.Parameters["service"] // Will be "" if not present
scope := fmt.Sprintf("repository:%s:%s", c.scope.remoteName, c.scope.actions)
token, err := c.getBearerToken(req.Context(), realm, service, scope)
if err != nil {
return err
}
c.token = token
c.tokenExpiration = token.IssuedAt.Add(time.Duration(token.ExpiresIn) * time.Second)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.token.Token))
return nil
default:
logrus.Debugf("no handler for %s authentication", challenge.Scheme)
}
}
logrus.Infof("None of the challenges sent by server (%s) are supported, trying an unauthenticated request anyway", strings.Join(schemeNames, ", "))
return nil
}
func (c *dockerClient) getBearerToken(ctx context.Context, realm, service, scope string) (*bearerToken, error) {
authReq, err := http.NewRequest("GET", realm, nil)
if err != nil {
return nil, err
}
authReq = authReq.WithContext(ctx)
getParams := authReq.URL.Query()
if service != "" {
getParams.Add("service", service)
}
if scope != "" {
getParams.Add("scope", scope)
}
authReq.URL.RawQuery = getParams.Encode()
if c.username != "" && c.password != "" {
authReq.SetBasicAuth(c.username, c.password)
}
tr := newTransport()
// TODO(runcom): insecure for now to contact the external token service
tr.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
client := &http.Client{Transport: tr}
res, err := client.Do(authReq)
if err != nil {
return nil, err
}
defer res.Body.Close()
switch res.StatusCode {
case http.StatusUnauthorized:
return nil, errors.Errorf("unable to retrieve auth token: 401 unauthorized")
case http.StatusOK:
break
default:
return nil, errors.Errorf("unexpected http code: %d, URL: %s", res.StatusCode, authReq.URL)
}
tokenBlob, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
var token bearerToken
if err := json.Unmarshal(tokenBlob, &token); err != nil {
return nil, err
}
if token.ExpiresIn < minimumTokenLifetimeSeconds {
token.ExpiresIn = minimumTokenLifetimeSeconds
logrus.Debugf("Increasing token expiration to: %d seconds", token.ExpiresIn)
}
if token.IssuedAt.IsZero() {
token.IssuedAt = time.Now().UTC()
}
return &token, nil
}
func getAuth(ctx *types.SystemContext, registry string) (string, string, error) {
if ctx != nil && ctx.DockerAuthConfig != nil {
return ctx.DockerAuthConfig.Username, ctx.DockerAuthConfig.Password, nil
}
var dockerAuth dockerConfigFile
dockerCfgPath := filepath.Join(getDefaultConfigDir(".docker"), dockerCfgFileName)
if _, err := os.Stat(dockerCfgPath); err == nil {
j, err := ioutil.ReadFile(dockerCfgPath)
if err != nil {
return "", "", err
}
if err := json.Unmarshal(j, &dockerAuth); err != nil {
return "", "", err
}
} else if os.IsNotExist(err) {
// try old config path
oldDockerCfgPath := filepath.Join(getDefaultConfigDir(dockerCfgObsolete))
if _, err := os.Stat(oldDockerCfgPath); err != nil {
if os.IsNotExist(err) {
return "", "", nil
}
return "", "", errors.Wrap(err, oldDockerCfgPath)
}
j, err := ioutil.ReadFile(oldDockerCfgPath)
if err != nil {
return "", "", err
}
if err := json.Unmarshal(j, &dockerAuth.AuthConfigs); err != nil {
return "", "", err
}
} else if err != nil {
return "", "", errors.Wrap(err, dockerCfgPath)
}
// I'm feeling lucky
if c, exists := dockerAuth.AuthConfigs[registry]; exists {
return decodeDockerAuth(c.Auth)
}
// bad luck; let's normalize the entries first
registry = normalizeRegistry(registry)
normalizedAuths := map[string]dockerAuthConfig{}
for k, v := range dockerAuth.AuthConfigs {
normalizedAuths[normalizeRegistry(k)] = v
}
if c, exists := normalizedAuths[registry]; exists {
return decodeDockerAuth(c.Auth)
}
return "", "", nil
}
// detectProperties detects various properties of the registry.
// See the dockerClient documentation for members which are affected by this.
func (c *dockerClient) detectProperties(ctx context.Context) error {
if c.scheme != "" {
return nil
}
ping := func(scheme string) error {
url := fmt.Sprintf(resolvedPingV2URL, scheme, c.registry)
resp, err := c.makeRequestToResolvedURL(ctx, "GET", url, nil, nil, -1, true)
logrus.Debugf("Ping %s err %#v", url, err)
if err != nil {
return err
}
defer resp.Body.Close()
logrus.Debugf("Ping %s status %d", url, resp.StatusCode)
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusUnauthorized {
return errors.Errorf("error pinging repository, response code %d", resp.StatusCode)
}
c.challenges = parseAuthHeader(resp.Header)
c.scheme = scheme
c.supportsSignatures = resp.Header.Get("X-Registry-Supports-Signatures") == "1"
return nil
}
err := ping("https")
if err != nil && c.ctx != nil && c.ctx.DockerInsecureSkipTLSVerify {
err = ping("http")
}
if err != nil {
err = errors.Wrap(err, "pinging docker registry returned")
if c.ctx != nil && c.ctx.DockerDisableV1Ping {
return err
}
// best effort to understand if we're talking to a V1 registry
pingV1 := func(scheme string) bool {
url := fmt.Sprintf(resolvedPingV1URL, scheme, c.registry)
resp, err := c.makeRequestToResolvedURL(ctx, "GET", url, nil, nil, -1, true)
logrus.Debugf("Ping %s err %#v", url, err)
if err != nil {
return false
}
defer resp.Body.Close()
logrus.Debugf("Ping %s status %d", url, resp.StatusCode)
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusUnauthorized {
return false
}
return true
}
isV1 := pingV1("https")
if !isV1 && c.ctx != nil && c.ctx.DockerInsecureSkipTLSVerify {
isV1 = pingV1("http")
}
if isV1 {
err = ErrV1NotSupported
}
}
return err
}
// getExtensionsSignatures returns signatures from the X-Registry-Supports-Signatures API extension,
// using the original data structures.
func (c *dockerClient) getExtensionsSignatures(ctx context.Context, ref dockerReference, manifestDigest digest.Digest) (*extensionSignatureList, error) {
path := fmt.Sprintf(extensionsSignaturePath, reference.Path(ref.ref), manifestDigest)
res, err := c.makeRequest(ctx, "GET", path, nil, nil)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, client.HandleErrorResponse(res)
}
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
var parsedBody extensionSignatureList
if err := json.Unmarshal(body, &parsedBody); err != nil {
return nil, errors.Wrapf(err, "Error decoding signature list")
}
return &parsedBody, nil
}
func getDefaultConfigDir(confPath string) string {
return filepath.Join(homedir.Get(), confPath)
}
type dockerAuthConfig struct {
Auth string `json:"auth,omitempty"`
}
type dockerConfigFile struct {
AuthConfigs map[string]dockerAuthConfig `json:"auths"`
}
func decodeDockerAuth(s string) (string, string, error) {
decoded, err := base64.StdEncoding.DecodeString(s)
if err != nil {
return "", "", err
}
parts := strings.SplitN(string(decoded), ":", 2)
if len(parts) != 2 {
// if it's invalid just skip, as docker does
return "", "", nil
}
user := parts[0]
password := strings.Trim(parts[1], "\x00")
return user, password, nil
}
// convertToHostname converts a registry url which has http|https prepended
// to just an hostname.
// Copied from github.com/docker/docker/registry/auth.go
func convertToHostname(url string) string {
stripped := url
if strings.HasPrefix(url, "http://") {
stripped = strings.TrimPrefix(url, "http://")
} else if strings.HasPrefix(url, "https://") {
stripped = strings.TrimPrefix(url, "https://")
}
nameParts := strings.SplitN(stripped, "/", 2)
return nameParts[0]
}
func normalizeRegistry(registry string) string {
normalized := convertToHostname(registry)
switch normalized {
case "registry-1.docker.io", "docker.io":
return "index.docker.io"
}
return normalized
}
vendor/github.com/containers/image/docker/docker_image.go 0 → 100644
浏览文件 @ 201e5f9e
package docker
import (
"context"
"encoding/json"
"fmt"
"net/http"
"github.com/containers/image/docker/reference"
"github.com/containers/image/image"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
// Image is a Docker-specific implementation of types.Image with a few extra methods
// which are specific to Docker.
type Image struct {
types.Image
src *dockerImageSource
}
// newImage returns a new Image interface type after setting up
// a client to the registry hosting the given image.
// The caller must call .Close() on the returned Image.
func newImage(ctx *types.SystemContext, ref dockerReference) (types.Image, error) {
s, err := newImageSource(ctx, ref, nil)
if err != nil {
return nil, err
}
img, err := image.FromSource(s)
if err != nil {
return nil, err
}
return &Image{Image: img, src: s}, nil
}
// SourceRefFullName returns a fully expanded name for the repository this image is in.
func (i *Image) SourceRefFullName() string {
return i.src.ref.ref.Name()
}
// GetRepositoryTags list all tags available in the repository. Note that this has no connection with the tag(s) used for this specific image, if any.
func (i *Image) GetRepositoryTags() ([]string, error) {
path := fmt.Sprintf(tagsPath, reference.Path(i.src.ref.ref))
// FIXME: Pass the context.Context
res, err := i.src.c.makeRequest(context.TODO(), "GET", path, nil, nil)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
// print url also
return nil, errors.Errorf("Invalid status code returned when fetching tags list %d", res.StatusCode)
}
type tagsRes struct {
Tags []string
}
tags := &tagsRes{}
if err := json.NewDecoder(res.Body).Decode(tags); err != nil {
return nil, err
}
return tags.Tags, nil
}
vendor/github.com/containers/image/docker/docker_image_dest.go 0 → 100644
浏览文件 @ 201e5f9e
package docker
import (
"bytes"
"context"
"crypto/rand"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/containers/image/docker/reference"
"github.com/containers/image/manifest"
"github.com/containers/image/types"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/distribution/registry/api/v2"
"github.com/docker/distribution/registry/client"
"github.com/opencontainers/go-digest"
"github.com/pkg/errors"
)
var manifestMIMETypes = []string{
// TODO(runcom): we'll add OCI as part of another PR here
manifest.DockerV2Schema2MediaType,
manifest.DockerV2Schema1SignedMediaType,
manifest.DockerV2Schema1MediaType,
}
func supportedManifestMIMETypesMap() map[string]bool {
m := make(map[string]bool, len(manifestMIMETypes))
for _, mt := range manifestMIMETypes {
m[mt] = true
}
return m
}
type dockerImageDestination struct {
ref dockerReference
c *dockerClient
// State
manifestDigest digest.Digest // or "" if not yet known.
}
// newImageDestination creates a new ImageDestination for the specified image reference.
func newImageDestination(ctx *types.SystemContext, ref dockerReference) (types.ImageDestination, error) {
c, err := newDockerClient(ctx, ref, true, "pull,push")
if err != nil {
return nil, err
}
return &dockerImageDestination{
ref: ref,
c: c,
}, nil
}
// Reference returns the reference used to set up this destination. Note that this should directly correspond to user's intent,
// e.g. it should use the public hostname instead of the result of resolving CNAMEs or following redirects.
func (d *dockerImageDestination) Reference() types.ImageReference {
return d.ref
}
// Close removes resources associated with an initialized ImageDestination, if any.
func (d *dockerImageDestination) Close() error {
return nil
}
func (d *dockerImageDestination) SupportedManifestMIMETypes() []string {
return manifestMIMETypes
}
// SupportsSignatures returns an error (to be displayed to the user) if the destination certainly can't store signatures.
// Note: It is still possible for PutSignatures to fail if SupportsSignatures returns nil.
func (d *dockerImageDestination) SupportsSignatures() error {
if err := d.c.detectProperties(context.TODO()); err != nil {
return err
}
switch {
case d.c.signatureBase != nil:
return nil
case d.c.supportsSignatures:
return nil
default:
return errors.Errorf("X-Registry-Supports-Signatures extension not supported, and lookaside is not configured")
}
}
// ShouldCompressLayers returns true iff it is desirable to compress layer blobs written to this destination.
func (d *dockerImageDestination) ShouldCompressLayers() bool {
return true
}
// AcceptsForeignLayerURLs returns false iff foreign layers in manifest should be actually
// uploaded to the image destination, true otherwise.
func (d *dockerImageDestination) AcceptsForeignLayerURLs() bool {
return true
}
// MustMatchRuntimeOS returns true iff the destination can store only images targeted for the current runtime OS. False otherwise.
func (d *dockerImageDestination) MustMatchRuntimeOS() bool {
return false
}
// sizeCounter is an io.Writer which only counts the total size of its input.
type sizeCounter struct{ size int64 }
func (c *sizeCounter) Write(p []byte) (n int, err error) {
c.size += int64(len(p))
return len(p), nil
}
// PutBlob writes contents of stream and returns data representing the result (with all data filled in).
// inputInfo.Digest can be optionally provided if known; it is not mandatory for the implementation to verify it.
// inputInfo.Size is the expected length of stream, if known.
// WARNING: The contents of stream are being verified on the fly. Until stream.Read() returns io.EOF, the contents of the data SHOULD NOT be available
// to any other readers for download using the supplied digest.
// If stream.Read() at any time, ESPECIALLY at end of input, returns an error, PutBlob MUST 1) fail, and 2) delete any data stored so far.
func (d *dockerImageDestination) PutBlob(stream io.Reader, inputInfo types.BlobInfo) (types.BlobInfo, error) {
if inputInfo.Digest.String() != "" {
haveBlob, size, err := d.HasBlob(inputInfo)
if err != nil {
return types.BlobInfo{}, err
}
if haveBlob {
return types.BlobInfo{Digest: inputInfo.Digest, Size: size}, nil
}
}
// FIXME? Chunked upload, progress reporting, etc.
uploadPath := fmt.Sprintf(blobUploadPath, reference.Path(d.ref.ref))
logrus.Debugf("Uploading %s", uploadPath)
res, err := d.c.makeRequest(context.TODO(), "POST", uploadPath, nil, nil)
if err != nil {
return types.BlobInfo{}, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusAccepted {
logrus.Debugf("Error initiating layer upload, response %#v", *res)
return types.BlobInfo{}, errors.Errorf("Error initiating layer upload to %s, status %d", uploadPath, res.StatusCode)
}
uploadLocation, err := res.Location()
if err != nil {
return types.BlobInfo{}, errors.Wrap(err, "Error determining upload URL")
}
digester := digest.Canonical.Digester()
sizeCounter := &sizeCounter{}
tee := io.TeeReader(stream, io.MultiWriter(digester.Hash(), sizeCounter))
res, err = d.c.makeRequestToResolvedURL(context.TODO(), "PATCH", uploadLocation.String(), map[string][]string{"Content-Type": {"application/octet-stream"}}, tee, inputInfo.Size, true)
if err != nil {
logrus.Debugf("Error uploading layer chunked, response %#v", res)
return types.BlobInfo{}, err
}
defer res.Body.Close()
computedDigest := digester.Digest()
uploadLocation, err = res.Location()
if err != nil {
return types.BlobInfo{}, errors.Wrap(err, "Error determining upload URL")
}
// FIXME: DELETE uploadLocation on failure
locationQuery := uploadLocation.Query()
// TODO: check inputInfo.Digest == computedDigest https://github.com/containers/image/pull/70#discussion_r77646717
locationQuery.Set("digest", computedDigest.String())
uploadLocation.RawQuery = locationQuery.Encode()
res, err = d.c.makeRequestToResolvedURL(context.TODO(), "PUT", uploadLocation.String(), map[string][]string{"Content-Type": {"application/octet-stream"}}, nil, -1, true)
if err != nil {
return types.BlobInfo{}, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
logrus.Debugf("Error uploading layer, response %#v", *res)
return types.BlobInfo{}, errors.Errorf("Error uploading layer to %s, status %d", uploadLocation, res.StatusCode)
}
logrus.Debugf("Upload of layer %s complete", computedDigest)
return types.BlobInfo{Digest: computedDigest, Size: sizeCounter.size}, nil
}
// HasBlob returns true iff the image destination already contains a blob with the matching digest which can be reapplied using ReapplyBlob.
// Unlike PutBlob, the digest can not be empty. If HasBlob returns true, the size of the blob must also be returned.
// If the destination does not contain the blob, or it is unknown, HasBlob ordinarily returns (false, -1, nil);
// it returns a non-nil error only on an unexpected failure.
func (d *dockerImageDestination) HasBlob(info types.BlobInfo) (bool, int64, error) {
if info.Digest == "" {
return false, -1, errors.Errorf(`"Can not check for a blob with unknown digest`)
}
checkPath := fmt.Sprintf(blobsPath, reference.Path(d.ref.ref), info.Digest.String())
logrus.Debugf("Checking %s", checkPath)
res, err := d.c.makeRequest(context.TODO(), "HEAD", checkPath, nil, nil)
if err != nil {
return false, -1, err
}
defer res.Body.Close()
switch res.StatusCode {
case http.StatusOK:
logrus.Debugf("... already exists")
return true, getBlobSize(res), nil
case http.StatusUnauthorized:
logrus.Debugf("... not authorized")
return false, -1, errors.Errorf("not authorized to read from destination repository %s", reference.Path(d.ref.ref))
case http.StatusNotFound:
logrus.Debugf("... not present")
return false, -1, nil
default:
return false, -1, errors.Errorf("failed to read from destination repository %s: %v", reference.Path(d.ref.ref), http.StatusText(res.StatusCode))
}
}
func (d *dockerImageDestination) ReapplyBlob(info types.BlobInfo) (types.BlobInfo, error) {
return info, nil
}
// PutManifest writes manifest to the destination.
// FIXME? This should also receive a MIME type if known, to differentiate between schema versions.
// If the destination is in principle available, refuses this manifest type (e.g. it does not recognize the schema),
// but may accept a different manifest type, the returned error must be an ManifestTypeRejectedError.
func (d *dockerImageDestination) PutManifest(m []byte) error {
digest, err := manifest.Digest(m)
if err != nil {
return err
}
d.manifestDigest = digest
refTail, err := d.ref.tagOrDigest()
if err != nil {
return err
}
path := fmt.Sprintf(manifestPath, reference.Path(d.ref.ref), refTail)
headers := map[string][]string{}
mimeType := manifest.GuessMIMEType(m)
if mimeType != "" {
headers["Content-Type"] = []string{mimeType}
}
res, err := d.c.makeRequest(context.TODO(), "PUT", path, headers, bytes.NewReader(m))
if err != nil {
return err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
err = errors.Wrapf(client.HandleErrorResponse(res), "Error uploading manifest to %s", path)
if isManifestInvalidError(errors.Cause(err)) {
err = types.ManifestTypeRejectedError{Err: err}
}
return err
}
return nil
}
// isManifestInvalidError returns true iff err from client.HandleErrorReponse is a “manifest invalid” error.
func isManifestInvalidError(err error) bool {
errors, ok := err.(errcode.Errors)
if !ok || len(errors) == 0 {
return false
}
ec, ok := errors[0].(errcode.ErrorCoder)
if !ok {
return false
}
// ErrorCodeManifestInvalid is returned by OpenShift with acceptschema2=false.
// ErrorCodeTagInvalid is returned by docker/distribution (at least as of commit ec87e9b6971d831f0eff752ddb54fb64693e51cd)
// when uploading to a tag (because it can’t find a matching tag inside the manifest)
return ec.ErrorCode() == v2.ErrorCodeManifestInvalid || ec.ErrorCode() == v2.ErrorCodeTagInvalid
}
func (d *dockerImageDestination) PutSignatures(signatures [][]byte) error {
// Do not fail if we don’t really need to support signatures.
if len(signatures) == 0 {
return nil
}
if err := d.c.detectProperties(context.TODO()); err != nil {
return err
}
switch {
case d.c.signatureBase != nil:
return d.putSignaturesToLookaside(signatures)
case d.c.supportsSignatures:
return d.putSignaturesToAPIExtension(signatures)
default:
return errors.Errorf("X-Registry-Supports-Signatures extension not supported, and lookaside is not configured")
}
}
// putSignaturesToLookaside implements PutSignatures() from the lookaside location configured in s.c.signatureBase,
// which is not nil.
func (d *dockerImageDestination) putSignaturesToLookaside(signatures [][]byte) error {
// FIXME? This overwrites files one at a time, definitely not atomic.
// A failure when updating signatures with a reordered copy could lose some of them.
// Skip dealing with the manifest digest if not necessary.
if len(signatures) == 0 {
return nil
}
if d.manifestDigest.String() == "" {
// This shouldn’t happen, ImageDestination users are required to call PutManifest before PutSignatures
return errors.Errorf("Unknown manifest digest, can't add signatures")
}
// NOTE: Keep this in sync with docs/signature-protocols.md!
for i, signature := range signatures {
url := signatureStorageURL(d.c.signatureBase, d.manifestDigest, i)
if url == nil {
return errors.Errorf("Internal error: signatureStorageURL with non-nil base returned nil")
}
err := d.putOneSignature(url, signature)
if err != nil {
return err
}
}
// Remove any other signatures, if present.
// We stop at the first missing signature; if a previous deleting loop aborted
// prematurely, this may not clean up all of them, but one missing signature
// is enough for dockerImageSource to stop looking for other signatures, so that
// is sufficient.
for i := len(signatures); ; i++ {
url := signatureStorageURL(d.c.signatureBase, d.manifestDigest, i)
if url == nil {
return errors.Errorf("Internal error: signatureStorageURL with non-nil base returned nil")
}
missing, err := d.c.deleteOneSignature(url)
if err != nil {
return err
}
if missing {
break
}
}
return nil
}
// putOneSignature stores one signature to url.
// NOTE: Keep this in sync with docs/signature-protocols.md!
func (d *dockerImageDestination) putOneSignature(url *url.URL, signature []byte) error {
switch url.Scheme {
case "file":
logrus.Debugf("Writing to %s", url.Path)
err := os.MkdirAll(filepath.Dir(url.Path), 0755)
if err != nil {
return err
}
err = ioutil.WriteFile(url.Path, signature, 0644)
if err != nil {
return err
}
return nil
case "http", "https":
return errors.Errorf("Writing directly to a %s sigstore %s is not supported. Configure a sigstore-staging: location", url.Scheme, url.String())
default:
return errors.Errorf("Unsupported scheme when writing signature to %s", url.String())
}
}
// deleteOneSignature deletes a signature from url, if it exists.
// If it successfully determines that the signature does not exist, returns (true, nil)
// NOTE: Keep this in sync with docs/signature-protocols.md!
func (c *dockerClient) deleteOneSignature(url *url.URL) (missing bool, err error) {
switch url.Scheme {
case "file":
logrus.Debugf("Deleting %s", url.Path)
err := os.Remove(url.Path)
if err != nil && os.IsNotExist(err) {
return true, nil
}
return false, err
case "http", "https":
return false, errors.Errorf("Writing directly to a %s sigstore %s is not supported. Configure a sigstore-staging: location", url.Scheme, url.String())
default:
return false, errors.Errorf("Unsupported scheme when deleting signature from %s", url.String())
}
}
// putSignaturesToAPIExtension implements PutSignatures() using the X-Registry-Supports-Signatures API extension.
func (d *dockerImageDestination) putSignaturesToAPIExtension(signatures [][]byte) error {
// Skip dealing with the manifest digest, or reading the old state, if not necessary.
if len(signatures) == 0 {
return nil
}
if d.manifestDigest.String() == "" {
// This shouldn’t happen, ImageDestination users are required to call PutManifest before PutSignatures
return errors.Errorf("Unknown manifest digest, can't add signatures")
}
// Because image signatures are a shared resource in Atomic Registry, the default upload
// always adds signatures. Eventually we should also allow removing signatures,
// but the X-Registry-Supports-Signatures API extension does not support that yet.
existingSignatures, err := d.c.getExtensionsSignatures(context.TODO(), d.ref, d.manifestDigest)
if err != nil {
return err
}
existingSigNames := map[string]struct{}{}
for _, sig := range existingSignatures.Signatures {
existingSigNames[sig.Name] = struct{}{}
}
sigExists:
for _, newSig := range signatures {
for _, existingSig := range existingSignatures.Signatures {
if existingSig.Version == extensionSignatureSchemaVersion && existingSig.Type == extensionSignatureTypeAtomic && bytes.Equal(existingSig.Content, newSig) {
continue sigExists
}
}
// The API expect us to invent a new unique name. This is racy, but hopefully good enough.
var signatureName string
for {
randBytes := make([]byte, 16)
n, err := rand.Read(randBytes)
if err != nil || n != 16 {
return errors.Wrapf(err, "Error generating random signature len %d", n)
}
signatureName = fmt.Sprintf("%s@%032x", d.manifestDigest.String(), randBytes)
if _, ok := existingSigNames[signatureName]; !ok {
break
}
}
sig := extensionSignature{
Version: extensionSignatureSchemaVersion,
Name: signatureName,
Type: extensionSignatureTypeAtomic,
Content: newSig,
}
body, err := json.Marshal(sig)
if err != nil {
return err
}
path := fmt.Sprintf(extensionsSignaturePath, reference.Path(d.ref.ref), d.manifestDigest.String())
res, err := d.c.makeRequest(context.TODO(), "PUT", path, nil, bytes.NewReader(body))
if err != nil {
return err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
body, err := ioutil.ReadAll(res.Body)
if err == nil {
logrus.Debugf("Error body %s", string(body))
}
logrus.Debugf("Error uploading signature, status %d, %#v", res.StatusCode, res)
return errors.Errorf("Error uploading signature to %s, status %d", path, res.StatusCode)
}
}
return nil
}
// Commit marks the process of storing the image as successful and asks for the image to be persisted.
// WARNING: This does not have any transactional semantics:
// - Uploaded data MAY be visible to others before Commit() is called
// - Uploaded data MAY be removed or MAY remain around if Close() is called without Commit() (i.e. rollback is allowed but not guaranteed)
func (d *dockerImageDestination) Commit() error {
return nil
}
vendor/github.com/containers/image/docker/docker_transport.go 0 → 100644
浏览文件 @ 201e5f9e
package docker
import (
"fmt"
"strings"
"github.com/containers/image/docker/policyconfiguration"
"github.com/containers/image/docker/reference"
"github.com/containers/image/transports"
"github.com/containers/image/types"
"github.com/pkg/errors"
)
func init() {
transports.Register(Transport)
}
// Transport is an ImageTransport for Docker registry-hosted images.
var Transport = dockerTransport{}
type dockerTransport struct{}
func (t dockerTransport) Name() string {
return "docker"
}
// ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an ImageReference.
func (t dockerTransport) ParseReference(reference string) (types.ImageReference, error) {
return ParseReference(reference)
}
// ValidatePolicyConfigurationScope checks that scope is a valid name for a signature.PolicyTransportScopes keys
// (i.e. a valid PolicyConfigurationIdentity() or PolicyConfigurationNamespaces() return value).
// It is acceptable to allow an invalid value which will never be matched, it can "only" cause user confusion.
// scope passed to this function will not be "", that value is always allowed.
func (t dockerTransport) ValidatePolicyConfigurationScope(scope string) error {
// FIXME? We could be verifying the various character set and length restrictions
// from docker/distribution/reference.regexp.go, but other than that there
// are few semantically invalid strings.
return nil
}
// dockerReference is an ImageReference for Docker images.
type dockerReference struct {
ref reference.Named // By construction we know that !reference.IsNameOnly(ref)
}
// ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an Docker ImageReference.
func ParseReference(refString string) (types.ImageReference, error) {
if !strings.HasPrefix(refString, "//") {
return nil, errors.Errorf("docker: image reference %s does not start with //", refString)
}
ref, err := reference.ParseNormalizedNamed(strings.TrimPrefix(refString, "//"))
if err != nil {
return nil, err
}
ref = reference.TagNameOnly(ref)
return NewReference(ref)
}
// NewReference returns a Docker reference for a named reference. The reference must satisfy !reference.IsNameOnly().
func NewReference(ref reference.Named) (types.ImageReference, error) {
if reference.IsNameOnly(ref) {
return nil, errors.Errorf("Docker reference %s has neither a tag nor a digest", reference.FamiliarString(ref))
}
// A github.com/distribution/reference value can have a tag and a digest at the same time!
// The docker/distribution API does not really support that (we can’t ask for an image with a specific
// tag and digest), so fail. This MAY be accepted in the future.
// (Even if it were supported, the semantics of policy namespaces are unclear - should we drop
// the tag or the digest first?)
_, isTagged := ref.(reference.NamedTagged)
_, isDigested := ref.(reference.Canonical)
if isTagged && isDigested {
return nil, errors.Errorf("Docker references with both a tag and digest are currently not supported")
}
return dockerReference{
ref: ref,
}, nil
}
func (ref dockerReference) Transport() types.ImageTransport {
return Transport
}
// StringWithinTransport returns a string representation of the reference, which MUST be such that
// reference.Transport().ParseReference(reference.StringWithinTransport()) returns an equivalent reference.
// NOTE: The returned string is not promised to be equal to the original input to ParseReference;
// e.g. default attribute values omitted by the user may be filled in in the return value, or vice versa.
// WARNING: Do not use the return value in the UI to describe an image, it does not contain the Transport().Name() prefix.
func (ref dockerReference) StringWithinTransport() string {
return "//" + reference.FamiliarString(ref.ref)
}
// DockerReference returns a Docker reference associated with this reference
// (fully explicit, i.e. !reference.IsNameOnly, but reflecting user intent,
// not e.g. after redirect or alias processing), or nil if unknown/not applicable.
func (ref dockerReference) DockerReference() reference.Named {
return ref.ref
}
// PolicyConfigurationIdentity returns a string representation of the reference, suitable for policy lookup.
// This MUST reflect user intent, not e.g. after processing of third-party redirects or aliases;
// The value SHOULD be fully explicit about its semantics, with no hidden defaults, AND canonical
// (i.e. various references with exactly the same semantics should return the same configuration identity)
// It is fine for the return value to be equal to StringWithinTransport(), and it is desirable but
// not required/guaranteed that it will be a valid input to Transport().ParseReference().
// Returns "" if configuration identities for these references are not supported.
func (ref dockerReference) PolicyConfigurationIdentity() string {
res, err := policyconfiguration.DockerReferenceIdentity(ref.ref)
if res == "" || err != nil { // Coverage: Should never happen, NewReference above should refuse values which could cause a failure.
panic(fmt.Sprintf("Internal inconsistency: policyconfiguration.DockerReferenceIdentity returned %#v, %v", res, err))
}
return res
}
// PolicyConfigurationNamespaces returns a list of other policy configuration namespaces to search
// for if explicit configuration for PolicyConfigurationIdentity() is not set. The list will be processed
// in order, terminating on first match, and an implicit "" is always checked at the end.
// It is STRONGLY recommended for the first element, if any, to be a prefix of PolicyConfigurationIdentity(),
// and each following element to be a prefix of the element preceding it.
func (ref dockerReference) PolicyConfigurationNamespaces() []string {
return policyconfiguration.DockerReferenceNamespaces(ref.ref)
}
// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
// The caller must call .Close() on the returned Image.
// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
func (ref dockerReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
return newImage(ctx, ref)
}
// NewImageSource returns a types.ImageSource for this reference,
// asking the backend to use a manifest from requestedManifestMIMETypes if possible.
// nil requestedManifestMIMETypes means manifest.DefaultRequestedManifestMIMETypes.
// The caller must call .Close() on the returned ImageSource.
func (ref dockerReference) NewImageSource(ctx *types.SystemContext, requestedManifestMIMETypes []string) (types.ImageSource, error) {
return newImageSource(ctx, ref, requestedManifestMIMETypes)
}
// NewImageDestination returns a types.ImageDestination for this reference.
// The caller must call .Close() on the returned ImageDestination.
func (ref dockerReference) NewImageDestination(ctx *types.SystemContext) (types.ImageDestination, error) {
return newImageDestination(ctx, ref)
}
// DeleteImage deletes the named image from the registry, if supported.
func (ref dockerReference) DeleteImage(ctx *types.SystemContext) error {
return deleteImage(ctx, ref)
}
// tagOrDigest returns a tag or digest from the reference.
func (ref dockerReference) tagOrDigest() (string, error) {
if ref, ok := ref.ref.(reference.Canonical); ok {
return ref.Digest().String(), nil
}
if ref, ok := ref.ref.(reference.NamedTagged); ok {
return ref.Tag(), nil
}
// This should not happen, NewReference above refuses reference.IsNameOnly values.
return "", errors.Errorf("Internal inconsistency: Reference %s unexpectedly has neither a digest nor a tag", reference.FamiliarString(ref.ref))
}
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package policyconfiguration
import (
"strings"
"github.com/containers/image/docker/reference"
"github.com/pkg/errors"
)
// DockerReferenceIdentity returns a string representation of the reference, suitable for policy lookup,
// as a backend for ImageReference.PolicyConfigurationIdentity.
// The reference must satisfy !reference.IsNameOnly().
func DockerReferenceIdentity(ref reference.Named) (string, error) {
res := ref.Name()
tagged, isTagged := ref.(reference.NamedTagged)
digested, isDigested := ref.(reference.Canonical)
switch {
case isTagged && isDigested: // Note that this CAN actually happen.
return "", errors.Errorf("Unexpected Docker reference %s with both a name and a digest", reference.FamiliarString(ref))
case !isTagged && !isDigested: // This should not happen, the caller is expected to ensure !reference.IsNameOnly()
return "", errors.Errorf("Internal inconsistency: Docker reference %s with neither a tag nor a digest", reference.FamiliarString(ref))
case isTagged:
res = res + ":" + tagged.Tag()
case isDigested:
res = res + "@" + digested.Digest().String()
default: // Coverage: The above was supposed to be exhaustive.
return "", errors.New("Internal inconsistency, unexpected default branch")
}
return res, nil
}
// DockerReferenceNamespaces returns a list of other policy configuration namespaces to search,
// as a backend for ImageReference.PolicyConfigurationIdentity.
// The reference must satisfy !reference.IsNameOnly().
func DockerReferenceNamespaces(ref reference.Named) []string {
// Look for a match of the repository, and then of the possible parent
// namespaces. Note that this only happens on the expanded host names
// and repository names, i.e. "busybox" is looked up as "docker.io/library/busybox",
// then in its parent "docker.io/library"; in none of "busybox",
// un-namespaced "library" nor in "" supposedly implicitly representing "library/".
//
// ref.FullName() == ref.Hostname() + "/" + ref.RemoteName(), so the last
// iteration matches the host name (for any namespace).
res := []string{}
name := ref.Name()
for {
res = append(res, name)
lastSlash := strings.LastIndex(name, "/")
if lastSlash == -1 {
break
}
name = name[:lastSlash]
}
return res
}
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This is a copy of github.com/docker/distribution/reference as of commit fb0bebc4b64e3881cc52a2478d749845ed76d2a8,
except that ParseAnyReferenceWithSet has been removed to drop the dependency on github.com/docker/distribution/digestset.
\ No newline at end of file
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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
}
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// Package tarfile is an internal implementation detail of some transports.
// Do not use outside of the github.com/containers/image repo!
package tarfile
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package tarfile
import "github.com/opencontainers/go-digest"
// Various data structures.
// Based on github.com/docker/docker/image/tarexport/tarexport.go
const (
manifestFileName = "manifest.json"
// legacyLayerFileName = "layer.tar"
// legacyConfigFileName = "json"
// legacyVersionFileName = "VERSION"
// legacyRepositoriesFileName = "repositories"
)
// ManifestItem is an element of the array stored in the top-level manifest.json file.
type ManifestItem struct {
Config string
RepoTags []string
Layers []string
Parent imageID `json:",omitempty"`
LayerSources map[diffID]distributionDescriptor `json:",omitempty"`
}
type imageID string
type diffID digest.Digest
// Based on github.com/docker/distribution/blobs.go
type distributionDescriptor struct {
MediaType string `json:"mediaType,omitempty"`
Size int64 `json:"size,omitempty"`
Digest digest.Digest `json:"digest,omitempty"`
URLs []string `json:"urls,omitempty"`
}
// Based on github.com/docker/distribution/manifest/schema2/manifest.go
// FIXME: We are repeating this all over the place; make a public copy?
type schema2Manifest struct {
SchemaVersion int `json:"schemaVersion"`
MediaType string `json:"mediaType,omitempty"`
Config distributionDescriptor `json:"config"`
Layers []distributionDescriptor `json:"layers"`
}
// Based on github.com/docker/docker/image/image.go
// MOST CONTENT OMITTED AS UNNECESSARY
type image struct {
RootFS *rootFS `json:"rootfs,omitempty"`
}
type rootFS struct {
Type string `json:"type"`
DiffIDs []diffID `json:"diff_ids,omitempty"`
}
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This package was replicated from [github.com/docker/docker v17.04.0-ce](https://github.com/docker/docker/tree/v17.04.0-ce/api/types/strslice).
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// Policy evaluation for prSignedBaseLayer.
package signature
import (
"github.com/Sirupsen/logrus"
"github.com/containers/image/types"
)
func (pr *prSignedBaseLayer) isSignatureAuthorAccepted(image types.UnparsedImage, sig []byte) (signatureAcceptanceResult, *Signature, error) {
return sarUnknown, nil, nil
}
func (pr *prSignedBaseLayer) isRunningImageAllowed(image types.UnparsedImage) (bool, error) {
// FIXME? Reject this at policy parsing time already?
logrus.Errorf("signedBaseLayer not implemented yet!")
return false, PolicyRequirementError("signedBaseLayer not implemented yet!")
}
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#!/usr/bin/env bash
# Given a subpackage and the containing package, figures out which packages
# need to be passed to `go test -coverpkg`: this includes all of the
# subpackage's dependencies within the containing package, as well as the
# subpackage itself.
DEPENDENCIES="$(go list -f $'{{range $f := .Deps}}{{$f}}\n{{end}}' ${1} | grep ${2} | grep -v github.com/docker/distribution/vendor)"
echo "${1} ${DEPENDENCIES}" | xargs echo -n | tr ' ' ','
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