Update traefik dependencies (docker/docker and related) (#1823)

Update traefik dependencies (docker/docker and related)

- Update dependencies
- Fix compilation problems
- Remove vdemeester/docker-events (in docker api now)
- Remove `integration/vendor`
- Use `testImport`
- update some deps.
- regenerate the lock from scratch (after a `glide cc`)

vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go

@@ -0,0 +1,341 @@
+// Copyright 2015 xeipuuv ( https://github.com/xeipuuv )
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// author           xeipuuv
+// author-github    https://github.com/xeipuuv
+// author-mail      xeipuuv@gmail.com
+//
+// repository-name  gojsonschema
+// repository-desc  An implementation of JSON Schema, based on IETF's draft v4 - Go language.
+//
+// description		Different strategies to load JSON files.
+// 					Includes References (file and HTTP), JSON strings and Go types.
+//
+// created          01-02-2015
+
+package gojsonschema
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+
+	"github.com/xeipuuv/gojsonreference"
+)
+
+var osFS = osFileSystem(os.Open)
+
+// JSON loader interface
+
+type JSONLoader interface {
+	JsonSource() interface{}
+	LoadJSON() (interface{}, error)
+	JsonReference() (gojsonreference.JsonReference, error)
+	LoaderFactory() JSONLoaderFactory
+}
+
+type JSONLoaderFactory interface {
+	New(source string) JSONLoader
+}
+
+type DefaultJSONLoaderFactory struct {
+}
+
+type FileSystemJSONLoaderFactory struct {
+	fs http.FileSystem
+}
+
+func (d DefaultJSONLoaderFactory) New(source string) JSONLoader {
+	return &jsonReferenceLoader{
+		fs:     osFS,
+		source: source,
+	}
+}
+
+func (f FileSystemJSONLoaderFactory) New(source string) JSONLoader {
+	return &jsonReferenceLoader{
+		fs:     f.fs,
+		source: source,
+	}
+}
+
+// osFileSystem is a functional wrapper for os.Open that implements http.FileSystem.
+type osFileSystem func(string) (*os.File, error)
+
+func (o osFileSystem) Open(name string) (http.File, error) {
+	return o(name)
+}
+
+// JSON Reference loader
+// references are used to load JSONs from files and HTTP
+
+type jsonReferenceLoader struct {
+	fs     http.FileSystem
+	source string
+}
+
+func (l *jsonReferenceLoader) JsonSource() interface{} {
+	return l.source
+}
+
+func (l *jsonReferenceLoader) JsonReference() (gojsonreference.JsonReference, error) {
+	return gojsonreference.NewJsonReference(l.JsonSource().(string))
+}
+
+func (l *jsonReferenceLoader) LoaderFactory() JSONLoaderFactory {
+	return &FileSystemJSONLoaderFactory{
+		fs: l.fs,
+	}
+}
+
+// NewReferenceLoader returns a JSON reference loader using the given source and the local OS file system.
+func NewReferenceLoader(source string) *jsonReferenceLoader {
+	return &jsonReferenceLoader{
+		fs:     osFS,
+		source: source,
+	}
+}
+
+// NewReferenceLoaderFileSystem returns a JSON reference loader using the given source and file system.
+func NewReferenceLoaderFileSystem(source string, fs http.FileSystem) *jsonReferenceLoader {
+	return &jsonReferenceLoader{
+		fs:     fs,
+		source: source,
+	}
+}
+
+func (l *jsonReferenceLoader) LoadJSON() (interface{}, error) {
+
+	var err error
+
+	reference, err := gojsonreference.NewJsonReference(l.JsonSource().(string))
+	if err != nil {
+		return nil, err
+	}
+
+	refToUrl := reference
+	refToUrl.GetUrl().Fragment = ""
+
+	var document interface{}
+
+	if reference.HasFileScheme {
+
+		filename := strings.Replace(refToUrl.GetUrl().Path, "file://", "", -1)
+		if runtime.GOOS == "windows" {
+			// on Windows, a file URL may have an extra leading slash, use slashes
+			// instead of backslashes, and have spaces escaped
+			if strings.HasPrefix(filename, "/") {
+				filename = filename[1:]
+			}
+			filename = filepath.FromSlash(filename)
+		}
+
+		document, err = l.loadFromFile(filename)
+		if err != nil {
+			return nil, err
+		}
+
+	} else {
+
+		document, err = l.loadFromHTTP(refToUrl.String())
+		if err != nil {
+			return nil, err
+		}
+
+	}
+
+	return document, nil
+
+}
+
+func (l *jsonReferenceLoader) loadFromHTTP(address string) (interface{}, error) {
+
+	resp, err := http.Get(address)
+	if err != nil {
+		return nil, err
+	}
+
+	// must return HTTP Status 200 OK
+	if resp.StatusCode != http.StatusOK {
+		return nil, errors.New(formatErrorDescription(Locale.HttpBadStatus(), ErrorDetails{"status": resp.Status}))
+	}
+
+	bodyBuff, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	return decodeJsonUsingNumber(bytes.NewReader(bodyBuff))
+
+}
+
+func (l *jsonReferenceLoader) loadFromFile(path string) (interface{}, error) {
+	f, err := l.fs.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	bodyBuff, err := ioutil.ReadAll(f)
+	if err != nil {
+		return nil, err
+	}
+
+	return decodeJsonUsingNumber(bytes.NewReader(bodyBuff))
+
+}
+
+// JSON string loader
+
+type jsonStringLoader struct {
+	source string
+}
+
+func (l *jsonStringLoader) JsonSource() interface{} {
+	return l.source
+}
+
+func (l *jsonStringLoader) JsonReference() (gojsonreference.JsonReference, error) {
+	return gojsonreference.NewJsonReference("#")
+}
+
+func (l *jsonStringLoader) LoaderFactory() JSONLoaderFactory {
+	return &DefaultJSONLoaderFactory{}
+}
+
+func NewStringLoader(source string) *jsonStringLoader {
+	return &jsonStringLoader{source: source}
+}
+
+func (l *jsonStringLoader) LoadJSON() (interface{}, error) {
+
+	return decodeJsonUsingNumber(strings.NewReader(l.JsonSource().(string)))
+
+}
+
+// JSON bytes loader
+
+type jsonBytesLoader struct {
+	source []byte
+}
+
+func (l *jsonBytesLoader) JsonSource() interface{} {
+	return l.source
+}
+
+func (l *jsonBytesLoader) JsonReference() (gojsonreference.JsonReference, error) {
+	return gojsonreference.NewJsonReference("#")
+}
+
+func (l *jsonBytesLoader) LoaderFactory() JSONLoaderFactory {
+	return &DefaultJSONLoaderFactory{}
+}
+
+func NewBytesLoader(source []byte) *jsonBytesLoader {
+	return &jsonBytesLoader{source: source}
+}
+
+func (l *jsonBytesLoader) LoadJSON() (interface{}, error) {
+	return decodeJsonUsingNumber(bytes.NewReader(l.JsonSource().([]byte)))
+}
+
+// JSON Go (types) loader
+// used to load JSONs from the code as maps, interface{}, structs ...
+
+type jsonGoLoader struct {
+	source interface{}
+}
+
+func (l *jsonGoLoader) JsonSource() interface{} {
+	return l.source
+}
+
+func (l *jsonGoLoader) JsonReference() (gojsonreference.JsonReference, error) {
+	return gojsonreference.NewJsonReference("#")
+}
+
+func (l *jsonGoLoader) LoaderFactory() JSONLoaderFactory {
+	return &DefaultJSONLoaderFactory{}
+}
+
+func NewGoLoader(source interface{}) *jsonGoLoader {
+	return &jsonGoLoader{source: source}
+}
+
+func (l *jsonGoLoader) LoadJSON() (interface{}, error) {
+
+	// convert it to a compliant JSON first to avoid types "mismatches"
+
+	jsonBytes, err := json.Marshal(l.JsonSource())
+	if err != nil {
+		return nil, err
+	}
+
+	return decodeJsonUsingNumber(bytes.NewReader(jsonBytes))
+
+}
+
+type jsonIOLoader struct {
+	buf *bytes.Buffer
+}
+
+func NewReaderLoader(source io.Reader) (*jsonIOLoader, io.Reader) {
+	buf := &bytes.Buffer{}
+	return &jsonIOLoader{buf: buf}, io.TeeReader(source, buf)
+}
+
+func NewWriterLoader(source io.Writer) (*jsonIOLoader, io.Writer) {
+	buf := &bytes.Buffer{}
+	return &jsonIOLoader{buf: buf}, io.MultiWriter(source, buf)
+}
+
+func (l *jsonIOLoader) JsonSource() interface{} {
+	return l.buf.String()
+}
+
+func (l *jsonIOLoader) LoadJSON() (interface{}, error) {
+	return decodeJsonUsingNumber(l.buf)
+}
+
+func (l *jsonIOLoader) JsonReference() (gojsonreference.JsonReference, error) {
+	return gojsonreference.NewJsonReference("#")
+}
+
+func (l *jsonIOLoader) LoaderFactory() JSONLoaderFactory {
+	return &DefaultJSONLoaderFactory{}
+}
+
+func decodeJsonUsingNumber(r io.Reader) (interface{}, error) {
+
+	var document interface{}
+
+	decoder := json.NewDecoder(r)
+	decoder.UseNumber()
+
+	err := decoder.Decode(&document)
+	if err != nil {
+		return nil, err
+	}
+	
+	return document, nil
+
+}