Upgrading server dependancies (#8154)

vendor/github.com/mitchellh/go-homedir/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 Mitchell Hashimoto
+
+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.

vendor/github.com/mitchellh/go-homedir/README.md

@@ -0,0 +1,14 @@
+# go-homedir
+
+This is a Go library for detecting the user's home directory without
+the use of cgo, so the library can be used in cross-compilation environments.
+
+Usage is incredibly simple, just call `homedir.Dir()` to get the home directory
+for a user, and `homedir.Expand()` to expand the `~` in a path to the home
+directory.
+
+**Why not just use `os/user`?** The built-in `os/user` package requires
+cgo on Darwin systems. This means that any Go code that uses that package
+cannot cross compile. But 99% of the time the use for `os/user` is just to
+retrieve the home directory, which we can do for the current user without
+cgo. This library does that, enabling cross-compilation.

vendor/github.com/mitchellh/go-homedir/homedir.go

@@ -0,0 +1,137 @@
+package homedir
+
+import (
+	"bytes"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"strings"
+	"sync"
+)
+
+// DisableCache will disable caching of the home directory. Caching is enabled
+// by default.
+var DisableCache bool
+
+var homedirCache string
+var cacheLock sync.RWMutex
+
+// Dir returns the home directory for the executing user.
+//
+// This uses an OS-specific method for discovering the home directory.
+// An error is returned if a home directory cannot be detected.
+func Dir() (string, error) {
+	if !DisableCache {
+		cacheLock.RLock()
+		cached := homedirCache
+		cacheLock.RUnlock()
+		if cached != "" {
+			return cached, nil
+		}
+	}
+
+	cacheLock.Lock()
+	defer cacheLock.Unlock()
+
+	var result string
+	var err error
+	if runtime.GOOS == "windows" {
+		result, err = dirWindows()
+	} else {
+		// Unix-like system, so just assume Unix
+		result, err = dirUnix()
+	}
+
+	if err != nil {
+		return "", err
+	}
+	homedirCache = result
+	return result, nil
+}
+
+// Expand expands the path to include the home directory if the path
+// is prefixed with `~`. If it isn't prefixed with `~`, the path is
+// returned as-is.
+func Expand(path string) (string, error) {
+	if len(path) == 0 {
+		return path, nil
+	}
+
+	if path[0] != '~' {
+		return path, nil
+	}
+
+	if len(path) > 1 && path[1] != '/' && path[1] != '\\' {
+		return "", errors.New("cannot expand user-specific home dir")
+	}
+
+	dir, err := Dir()
+	if err != nil {
+		return "", err
+	}
+
+	return filepath.Join(dir, path[1:]), nil
+}
+
+func dirUnix() (string, error) {
+	// First prefer the HOME environmental variable
+	if home := os.Getenv("HOME"); home != "" {
+		return home, nil
+	}
+
+	// If that fails, try getent
+	var stdout bytes.Buffer
+	cmd := exec.Command("getent", "passwd", strconv.Itoa(os.Getuid()))
+	cmd.Stdout = &stdout
+	if err := cmd.Run(); err != nil {
+		// If the error is ErrNotFound, we ignore it. Otherwise, return it.
+		if err != exec.ErrNotFound {
+			return "", err
+		}
+	} else {
+		if passwd := strings.TrimSpace(stdout.String()); passwd != "" {
+			// username:password:uid:gid:gecos:home:shell
+			passwdParts := strings.SplitN(passwd, ":", 7)
+			if len(passwdParts) > 5 {
+				return passwdParts[5], nil
+			}
+		}
+	}
+
+	// If all else fails, try the shell
+	stdout.Reset()
+	cmd = exec.Command("sh", "-c", "cd && pwd")
+	cmd.Stdout = &stdout
+	if err := cmd.Run(); err != nil {
+		return "", err
+	}
+
+	result := strings.TrimSpace(stdout.String())
+	if result == "" {
+		return "", errors.New("blank output when reading home directory")
+	}
+
+	return result, nil
+}
+
+func dirWindows() (string, error) {
+	// First prefer the HOME environmental variable
+	if home := os.Getenv("HOME"); home != "" {
+		return home, nil
+	}
+
+	drive := os.Getenv("HOMEDRIVE")
+	path := os.Getenv("HOMEPATH")
+	home := drive + path
+	if drive == "" || path == "" {
+		home = os.Getenv("USERPROFILE")
+	}
+	if home == "" {
+		return "", errors.New("HOMEDRIVE, HOMEPATH, and USERPROFILE are blank")
+	}
+
+	return home, nil
+}

vendor/github.com/mitchellh/go-homedir/homedir_test.go

@@ -0,0 +1,112 @@
+package homedir
+
+import (
+	"os"
+	"os/user"
+	"path/filepath"
+	"testing"
+)
+
+func patchEnv(key, value string) func() {
+	bck := os.Getenv(key)
+	deferFunc := func() {
+		os.Setenv(key, bck)
+	}
+
+	os.Setenv(key, value)
+	return deferFunc
+}
+
+func BenchmarkDir(b *testing.B) {
+	// We do this for any "warmups"
+	for i := 0; i < 10; i++ {
+		Dir()
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Dir()
+	}
+}
+
+func TestDir(t *testing.T) {
+	u, err := user.Current()
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	dir, err := Dir()
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if u.HomeDir != dir {
+		t.Fatalf("%#v != %#v", u.HomeDir, dir)
+	}
+}
+
+func TestExpand(t *testing.T) {
+	u, err := user.Current()
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	cases := []struct {
+		Input  string
+		Output string
+		Err    bool
+	}{
+		{
+			"/foo",
+			"/foo",
+			false,
+		},
+
+		{
+			"~/foo",
+			filepath.Join(u.HomeDir, "foo"),
+			false,
+		},
+
+		{
+			"",
+			"",
+			false,
+		},
+
+		{
+			"~",
+			u.HomeDir,
+			false,
+		},
+
+		{
+			"~foo/foo",
+			"",
+			true,
+		},
+	}
+
+	for _, tc := range cases {
+		actual, err := Expand(tc.Input)
+		if (err != nil) != tc.Err {
+			t.Fatalf("Input: %#v\n\nErr: %s", tc.Input, err)
+		}
+
+		if actual != tc.Output {
+			t.Fatalf("Input: %#v\n\nOutput: %#v", tc.Input, actual)
+		}
+	}
+
+	DisableCache = true
+	defer func() { DisableCache = false }()
+	defer patchEnv("HOME", "/custom/path/")()
+	expected := filepath.Join("/", "custom", "path", "foo/bar")
+	actual, err := Expand("~/foo/bar")
+
+	if err != nil {
+		t.Errorf("No error is expected, got: %v", err)
+	} else if actual != expected {
+		t.Errorf("Expected: %v; actual: %v", expected, actual)
+	}
+}

vendor/github.com/mitchellh/mapstructure/.travis.yml

@@ -1,7 +1,8 @@
-language: go 
+language: go
+
+go:
+  - 1.9.x
+  - tip
 
-go: 
-  - 1.8.1
-  
 script:
-  - go test 
+  - go test

vendor/github.com/mitchellh/mapstructure/README.md

@@ -1,4 +1,4 @@
-# mapstructure
+# mapstructure [![Godoc](https://godoc.org/github.com/mitchell/mapstructure?status.svg)](https://godoc.org/github.com/mitchell/mapstructure)
 
 mapstructure is a Go library for decoding generic map values to structures
 and vice versa, while providing helpful error handling.

vendor/github.com/mitchellh/mapstructure/mapstructure.go

@@ -237,6 +237,8 @@ func (d *Decoder) decode(name string, data interface{}, val reflect.Value) error
 		err = d.decodePtr(name, data, val)
 	case reflect.Slice:
 		err = d.decodeSlice(name, data, val)
+	case reflect.Array:
+		err = d.decodeArray(name, data, val)
 	case reflect.Func:
 		err = d.decodeFunc(name, data, val)
 	default:
@@ -292,12 +294,22 @@ func (d *Decoder) decodeString(name string, data interface{}, val reflect.Value)
 		val.SetString(strconv.FormatUint(dataVal.Uint(), 10))
 	case dataKind == reflect.Float32 && d.config.WeaklyTypedInput:
 		val.SetString(strconv.FormatFloat(dataVal.Float(), 'f', -1, 64))
-	case dataKind == reflect.Slice && d.config.WeaklyTypedInput:
+	case dataKind == reflect.Slice && d.config.WeaklyTypedInput,
+		dataKind == reflect.Array && d.config.WeaklyTypedInput:
 		dataType := dataVal.Type()
 		elemKind := dataType.Elem().Kind()
-		switch {
-		case elemKind == reflect.Uint8:
-			val.SetString(string(dataVal.Interface().([]uint8)))
+		switch elemKind {
+		case reflect.Uint8:
+			var uints []uint8
+			if dataKind == reflect.Array {
+				uints = make([]uint8, dataVal.Len(), dataVal.Len())
+				for i := range uints {
+					uints[i] = dataVal.Index(i).Interface().(uint8)
+				}
+			} else {
+				uints = dataVal.Interface().([]uint8)
+			}
+			val.SetString(string(uints))
 		default:
 			converted = false
 		}
@@ -647,6 +659,73 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 	return nil
 }
 
+func (d *Decoder) decodeArray(name string, data interface{}, val reflect.Value) error {
+	dataVal := reflect.Indirect(reflect.ValueOf(data))
+	dataValKind := dataVal.Kind()
+	valType := val.Type()
+	valElemType := valType.Elem()
+	arrayType := reflect.ArrayOf(valType.Len(), valElemType)
+
+	valArray := val
+
+	if valArray.Interface() == reflect.Zero(valArray.Type()).Interface() || d.config.ZeroFields {
+		// Check input type
+		if dataValKind != reflect.Array && dataValKind != reflect.Slice {
+			if d.config.WeaklyTypedInput {
+				switch {
+				// Empty maps turn into empty arrays
+				case dataValKind == reflect.Map:
+					if dataVal.Len() == 0 {
+						val.Set(reflect.Zero(arrayType))
+						return nil
+					}
+
+				// All other types we try to convert to the array type
+				// and "lift" it into it. i.e. a string becomes a string array.
+				default:
+					// Just re-try this function with data as a slice.
+					return d.decodeArray(name, []interface{}{data}, val)
+				}
+			}
+
+			return fmt.Errorf(
+				"'%s': source data must be an array or slice, got %s", name, dataValKind)
+
+		}
+		if dataVal.Len() > arrayType.Len() {
+			return fmt.Errorf(
+				"'%s': expected source data to have length less or equal to %d, got %d", name, arrayType.Len(), dataVal.Len())
+
+		}
+
+		// Make a new array to hold our result, same size as the original data.
+		valArray = reflect.New(arrayType).Elem()
+	}
+
+	// Accumulate any errors
+	errors := make([]string, 0)
+
+	for i := 0; i < dataVal.Len(); i++ {
+		currentData := dataVal.Index(i).Interface()
+		currentField := valArray.Index(i)
+
+		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		if err := d.decode(fieldName, currentData, currentField); err != nil {
+			errors = appendErrors(errors, err)
+		}
+	}
+
+	// Finally, set the value to the array we built up
+	val.Set(valArray)
+
+	// If there were errors, we return those
+	if len(errors) > 0 {
+		return &Error{errors}
+	}
+
+	return nil
+}
+
 func (d *Decoder) decodeStruct(name string, data interface{}, val reflect.Value) error {
 	dataVal := reflect.Indirect(reflect.ValueOf(data))
 
@@ -716,7 +795,7 @@ func (d *Decoder) decodeStruct(name string, data interface{}, val reflect.Value)
 					errors = appendErrors(errors,
 						fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldKind))
 				} else {
-					structs = append(structs, val.FieldByName(fieldType.Name))
+					structs = append(structs, structVal.FieldByName(fieldType.Name))
 				}
 				continue
 			}

vendor/github.com/mitchellh/mapstructure/mapstructure_bugs_test.go

@@ -258,3 +258,21 @@ func TestDecodeSliceToEmptySliceWOZeroing(t *testing.T) {
 		}
 	}
 }
+
+// #70
+func TestNextSquashMapstructure(t *testing.T) {
+	data := &struct {
+		Level1 struct {
+			Level2 struct {
+				Foo string
+			} `mapstructure:",squash"`
+		} `mapstructure:",squash"`
+	}{}
+	err := Decode(map[interface{}]interface{}{"foo": "baz"}, &data)
+	if err != nil {
+		t.Fatalf("should not error: %s", err)
+	}
+	if data.Level1.Level2.Foo != "baz" {
+		t.Fatal("value should be baz")
+	}
+}

vendor/github.com/mitchellh/mapstructure/mapstructure_test.go

@@ -49,6 +49,13 @@ type EmbeddedSlice struct {
 	Vunique    string
 }
 
+type ArrayAlias [2]string
+
+type EmbeddedArray struct {
+	ArrayAlias `mapstructure:"array_alias"`
+	Vunique    string
+}
+
 type SquashOnNonStructType struct {
 	InvalidSquashType int `mapstructure:",squash"`
 }
@@ -85,6 +92,15 @@ type SliceOfStruct struct {
 	Value []Basic
 }
 
+type Array struct {
+	Vfoo string
+	Vbar [2]string
+}
+
+type ArrayOfStruct struct {
+	Value [2]Basic
+}
+
 type Func struct {
 	Foo func() string
 }
@@ -112,14 +128,19 @@ type TypeConversionResult struct {
 	FloatToBool        bool
 	FloatToString      string
 	SliceUint8ToString string
+	ArrayUint8ToString string
 	StringToInt        int
 	StringToUint       uint
 	StringToBool       bool
 	StringToFloat      float32
 	StringToStrSlice   []string
 	StringToIntSlice   []int
+	StringToStrArray   [1]string
+	StringToIntArray   [1]int
 	SliceToMap         map[string]interface{}
 	MapToSlice         []interface{}
+	ArrayToMap         map[string]interface{}
+	MapToArray         [1]interface{}
 }
 
 func TestBasicTypes(t *testing.T) {
@@ -322,6 +343,29 @@ func TestDecode_EmbeddedSlice(t *testing.T) {
 	}
 }
 
+func TestDecode_EmbeddedArray(t *testing.T) {
+	t.Parallel()
+
+	input := map[string]interface{}{
+		"array_alias": [2]string{"foo", "bar"},
+		"vunique":     "bar",
+	}
+
+	var result EmbeddedArray
+	err := Decode(input, &result)
+	if err != nil {
+		t.Fatalf("got an err: %s", err.Error())
+	}
+
+	if !reflect.DeepEqual(result.ArrayAlias, ArrayAlias([2]string{"foo", "bar"})) {
+		t.Errorf("array value: %#v", result.ArrayAlias)
+	}
+
+	if result.Vunique != "bar" {
+		t.Errorf("vunique value should be 'bar': %#v", result.Vunique)
+	}
+}
+
 func TestDecode_EmbeddedSquash(t *testing.T) {
 	t.Parallel()
 
@@ -582,14 +626,19 @@ func TestDecode_TypeConversion(t *testing.T) {
 		"FloatToBool":        42.42,
 		"FloatToString":      42.42,
 		"SliceUint8ToString": []uint8("foo"),
+		"ArrayUint8ToString": [3]uint8{'f', 'o', 'o'},
 		"StringToInt":        "42",
 		"StringToUint":       "42",
 		"StringToBool":       "1",
 		"StringToFloat":      "42.42",
 		"StringToStrSlice":   "A",
 		"StringToIntSlice":   "42",
+		"StringToStrArray":   "A",
+		"StringToIntArray":   "42",
 		"SliceToMap":         []interface{}{},
 		"MapToSlice":         map[string]interface{}{},
+		"ArrayToMap":         []interface{}{},
+		"MapToArray":         map[string]interface{}{},
 	}
 
 	expectedResultStrict := TypeConversionResult{
@@ -622,14 +671,19 @@ func TestDecode_TypeConversion(t *testing.T) {
 		FloatToBool:        true,
 		FloatToString:      "42.42",
 		SliceUint8ToString: "foo",
+		ArrayUint8ToString: "foo",
 		StringToInt:        42,
 		StringToUint:       42,
 		StringToBool:       true,
 		StringToFloat:      42.42,
 		StringToStrSlice:   []string{"A"},
 		StringToIntSlice:   []int{42},
+		StringToStrArray:   [1]string{"A"},
+		StringToIntArray:   [1]int{42},
 		SliceToMap:         map[string]interface{}{},
 		MapToSlice:         []interface{}{},
+		ArrayToMap:         map[string]interface{}{},
+		MapToArray:         [1]interface{}{},
 	}
 
 	// Test strict type conversion
@@ -965,6 +1019,99 @@ func TestSliceToMap(t *testing.T) {
 	}
 }
 
+func TestArray(t *testing.T) {
+	t.Parallel()
+
+	inputStringArray := map[string]interface{}{
+		"vfoo": "foo",
+		"vbar": [2]string{"foo", "bar"},
+	}
+
+	inputStringArrayPointer := map[string]interface{}{
+		"vfoo": "foo",
+		"vbar": &[2]string{"foo", "bar"},
+	}
+
+	outputStringArray := &Array{
+		"foo",
+		[2]string{"foo", "bar"},
+	}
+
+	testArrayInput(t, inputStringArray, outputStringArray)
+	testArrayInput(t, inputStringArrayPointer, outputStringArray)
+}
+
+func TestInvalidArray(t *testing.T) {
+	t.Parallel()
+
+	input := map[string]interface{}{
+		"vfoo": "foo",
+		"vbar": 42,
+	}
+
+	result := Array{}
+	err := Decode(input, &result)
+	if err == nil {
+		t.Errorf("expected failure")
+	}
+}
+
+func TestArrayOfStruct(t *testing.T) {
+	t.Parallel()
+
+	input := map[string]interface{}{
+		"value": []map[string]interface{}{
+			{"vstring": "one"},
+			{"vstring": "two"},
+		},
+	}
+
+	var result ArrayOfStruct
+	err := Decode(input, &result)
+	if err != nil {
+		t.Fatalf("got unexpected error: %s", err)
+	}
+
+	if len(result.Value) != 2 {
+		t.Fatalf("expected two values, got %d", len(result.Value))
+	}
+
+	if result.Value[0].Vstring != "one" {
+		t.Errorf("first value should be 'one', got: %s", result.Value[0].Vstring)
+	}
+
+	if result.Value[1].Vstring != "two" {
+		t.Errorf("second value should be 'two', got: %s", result.Value[1].Vstring)
+	}
+}
+
+func TestArrayToMap(t *testing.T) {
+	t.Parallel()
+
+	input := []map[string]interface{}{
+		{
+			"foo": "bar",
+		},
+		{
+			"bar": "baz",
+		},
+	}
+
+	var result map[string]interface{}
+	err := WeakDecode(input, &result)
+	if err != nil {
+		t.Fatalf("got an error: %s", err)
+	}
+
+	expected := map[string]interface{}{
+		"foo": "bar",
+		"bar": "baz",
+	}
+	if !reflect.DeepEqual(result, expected) {
+		t.Errorf("bad: %#v", result)
+	}
+}
+
 func TestInvalidType(t *testing.T) {
 	t.Parallel()
 
@@ -1191,3 +1338,31 @@ func testSliceInput(t *testing.T, input map[string]interface{}, expected *Slice)
 		}
 	}
 }
+
+func testArrayInput(t *testing.T, input map[string]interface{}, expected *Array) {
+	var result Array
+	err := Decode(input, &result)
+	if err != nil {
+		t.Fatalf("got error: %s", err)
+	}
+
+	if result.Vfoo != expected.Vfoo {
+		t.Errorf("Vfoo expected '%s', got '%s'", expected.Vfoo, result.Vfoo)
+	}
+
+	if result.Vbar == [2]string{} {
+		t.Fatalf("Vbar a slice, got '%#v'", result.Vbar)
+	}
+
+	if len(result.Vbar) != len(expected.Vbar) {
+		t.Errorf("Vbar length should be %d, got %d", len(expected.Vbar), len(result.Vbar))
+	}
+
+	for i, v := range result.Vbar {
+		if v != expected.Vbar[i] {
+			t.Errorf(
+				"Vbar[%d] should be '%#v', got '%#v'",
+				i, expected.Vbar[i], v)
+		}
+	}
+}