rebase: upgrade snapshot v1beta1 api and clientset to v1 version

At present e2e snapshot code make use of snapshot v1beta1 api and client
This patch address the same and snapshot api clientset/apis are updated
to v1 version.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/github.com/imdario/mergo/.deepsource.toml

@@ -1,12 +0,0 @@
-version = 1
-
-test_patterns = [
-  "*_test.go"
-]
-
-[[analyzers]]
-name = "go"
-enabled = true
-
-  [analyzers.meta]
-  import_path = "github.com/imdario/mergo"

vendor/github.com/imdario/mergo/.travis.yml

@@ -4,6 +4,4 @@ install:
   - go get golang.org/x/tools/cmd/cover
   - go get github.com/mattn/goveralls
 script:
-  - go test -race -v ./...
-after_script:
   - $HOME/gopath/bin/goveralls -service=travis-ci -repotoken $COVERALLS_TOKEN

vendor/github.com/imdario/mergo/README.md

@@ -13,7 +13,6 @@ It is ready for production use. [It is used in several projects by Docker, Googl
 [![Build Status][1]][2]
 [![Coverage Status][7]][8]
 [![Sourcegraph][9]][10]
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fimdario%2Fmergo.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fimdario%2Fmergo?ref=badge_shield)
 
 [1]: https://travis-ci.org/imdario/mergo.png
 [2]: https://travis-ci.org/imdario/mergo
@@ -28,7 +27,7 @@ It is ready for production use. [It is used in several projects by Docker, Googl
 
 ### Latest release
 
-[Release v0.3.7](https://github.com/imdario/mergo/releases/tag/v0.3.7).
+[Release v0.3.6](https://github.com/imdario/mergo/releases/tag/v0.3.6).
 
 ### Important note
 
@@ -218,21 +217,6 @@ If I can help you, you have an idea or you are using Mergo in your projects, don
 
 Written by [Dario Castañé](http://dario.im).
 
-## Top Contributors
-
-[![0](https://sourcerer.io/fame/imdario/imdario/mergo/images/0)](https://sourcerer.io/fame/imdario/imdario/mergo/links/0)
-[![1](https://sourcerer.io/fame/imdario/imdario/mergo/images/1)](https://sourcerer.io/fame/imdario/imdario/mergo/links/1)
-[![2](https://sourcerer.io/fame/imdario/imdario/mergo/images/2)](https://sourcerer.io/fame/imdario/imdario/mergo/links/2)
-[![3](https://sourcerer.io/fame/imdario/imdario/mergo/images/3)](https://sourcerer.io/fame/imdario/imdario/mergo/links/3)
-[![4](https://sourcerer.io/fame/imdario/imdario/mergo/images/4)](https://sourcerer.io/fame/imdario/imdario/mergo/links/4)
-[![5](https://sourcerer.io/fame/imdario/imdario/mergo/images/5)](https://sourcerer.io/fame/imdario/imdario/mergo/links/5)
-[![6](https://sourcerer.io/fame/imdario/imdario/mergo/images/6)](https://sourcerer.io/fame/imdario/imdario/mergo/links/6)
-[![7](https://sourcerer.io/fame/imdario/imdario/mergo/images/7)](https://sourcerer.io/fame/imdario/imdario/mergo/links/7)
-
-
 ## License
 
 [BSD 3-Clause](http://opensource.org/licenses/BSD-3-Clause) license, as [Go language](http://golang.org/LICENSE).
-
-
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fimdario%2Fmergo.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fimdario%2Fmergo?ref=badge_large)

vendor/github.com/imdario/mergo/map.go

@@ -72,7 +72,6 @@ func deepMap(dst, src reflect.Value, visited map[uintptr]*visit, depth int, conf
 	case reflect.Struct:
 		srcMap := src.Interface().(map[string]interface{})
 		for key := range srcMap {
-			config.overwriteWithEmptyValue = true
 			srcValue := srcMap[key]
 			fieldName := changeInitialCase(key, unicode.ToUpper)
 			dstElement := dst.FieldByName(fieldName)
@@ -99,11 +98,11 @@ func deepMap(dst, src reflect.Value, visited map[uintptr]*visit, depth int, conf
 				continue
 			}
 			if srcKind == dstKind {
-				if _, err = deepMerge(dstElement, srcElement, visited, depth+1, config); err != nil {
+				if err = deepMerge(dstElement, srcElement, visited, depth+1, config); err != nil {
 					return
 				}
 			} else if dstKind == reflect.Interface && dstElement.Kind() == reflect.Interface {
-				if _, err = deepMerge(dstElement, srcElement, visited, depth+1, config); err != nil {
+				if err = deepMerge(dstElement, srcElement, visited, depth+1, config); err != nil {
 					return
 				}
 			} else if srcKind == reflect.Map {
@@ -157,8 +156,7 @@ func _map(dst, src interface{}, opts ...func(*Config)) error {
 	// To be friction-less, we redirect equal-type arguments
 	// to deepMerge. Only because arguments can be anything.
 	if vSrc.Kind() == vDst.Kind() {
-		_, err := deepMerge(vDst, vSrc, make(map[uintptr]*visit), 0, config)
-		return err
+		return deepMerge(vDst, vSrc, make(map[uintptr]*visit), 0, config)
 	}
 	switch vSrc.Kind() {
 	case reflect.Struct:

vendor/github.com/imdario/mergo/merge.go

@@ -11,39 +11,24 @@ package mergo
 import (
 	"fmt"
 	"reflect"
-	"unsafe"
 )
 
 func hasExportedField(dst reflect.Value) (exported bool) {
 	for i, n := 0, dst.NumField(); i < n; i++ {
 		field := dst.Type().Field(i)
-		if isExportedComponent(&field) {
-			return true
+		if field.Anonymous && dst.Field(i).Kind() == reflect.Struct {
+			exported = exported || hasExportedField(dst.Field(i))
+		} else {
+			exported = exported || len(field.PkgPath) == 0
 		}
 	}
 	return
 }
 
-func isExportedComponent(field *reflect.StructField) bool {
-	name := field.Name
-	pkgPath := field.PkgPath
-	if len(pkgPath) > 0 {
-		return false
-	}
-	c := name[0]
-	if 'a' <= c && c <= 'z' || c == '_' {
-		return false
-	}
-	return true
-}
-
 type Config struct {
-	Overwrite                    bool
-	AppendSlice                  bool
-	TypeCheck                    bool
-	Transformers                 Transformers
-	overwriteWithEmptyValue      bool
-	overwriteSliceWithEmptyValue bool
+	Overwrite    bool
+	AppendSlice  bool
+	Transformers Transformers
 }
 
 type Transformers interface {
@@ -53,17 +38,12 @@ type Transformers interface {
 // Traverses recursively both values, assigning src's fields values to dst.
 // The map argument tracks comparisons that have already been seen, which allows
 // short circuiting on recursive types.
-func deepMerge(dstIn, src reflect.Value, visited map[uintptr]*visit, depth int, config *Config) (dst reflect.Value, err error) {
-	dst = dstIn
+func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, config *Config) (err error) {
 	overwrite := config.Overwrite
-	typeCheck := config.TypeCheck
-	overwriteWithEmptySrc := config.overwriteWithEmptyValue
-	overwriteSliceWithEmptySrc := config.overwriteSliceWithEmptyValue
 
 	if !src.IsValid() {
 		return
 	}
-
 	if dst.CanAddr() {
 		addr := dst.UnsafeAddr()
 		h := 17 * addr
@@ -71,7 +51,7 @@ func deepMerge(dstIn, src reflect.Value, visited map[uintptr]*visit, depth int,
 		typ := dst.Type()
 		for p := seen; p != nil; p = p.next {
 			if p.ptr == addr && p.typ == typ {
-				return dst, nil
+				return nil
 			}
 		}
 		// Remember, remember...
@@ -85,170 +65,136 @@ func deepMerge(dstIn, src reflect.Value, visited map[uintptr]*visit, depth int,
 		}
 	}
 
-	if dst.IsValid() && src.IsValid() && src.Type() != dst.Type() {
-		err = fmt.Errorf("cannot append two different types (%s, %s)", src.Kind(), dst.Kind())
-		return
-	}
-
 	switch dst.Kind() {
 	case reflect.Struct:
 		if hasExportedField(dst) {
-			dstCp := reflect.New(dst.Type()).Elem()
 			for i, n := 0, dst.NumField(); i < n; i++ {
-				dstField := dst.Field(i)
-				structField := dst.Type().Field(i)
-				// copy un-exported struct fields
-				if !isExportedComponent(&structField) {
-					rf := dstCp.Field(i)
-					rf = reflect.NewAt(rf.Type(), unsafe.Pointer(rf.UnsafeAddr())).Elem() //nolint:gosec
-					dstRF := dst.Field(i)
-					if !dst.Field(i).CanAddr() {
-						continue
-					}
-
-					dstRF = reflect.NewAt(dstRF.Type(), unsafe.Pointer(dstRF.UnsafeAddr())).Elem() //nolint:gosec
-					rf.Set(dstRF)
-					continue
-				}
-				dstField, err = deepMerge(dstField, src.Field(i), visited, depth+1, config)
-				if err != nil {
+				if err = deepMerge(dst.Field(i), src.Field(i), visited, depth+1, config); err != nil {
 					return
 				}
-				dstCp.Field(i).Set(dstField)
 			}
-
-			if dst.CanSet() {
-				dst.Set(dstCp)
-			} else {
-				dst = dstCp
-			}
-			return
 		} else {
-			if (isReflectNil(dst) || overwrite) && (!isEmptyValue(src) || overwriteWithEmptySrc) {
-				dst = src
+			if dst.CanSet() && !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) {
+				dst.Set(src)
 			}
 		}
-
 	case reflect.Map:
 		if dst.IsNil() && !src.IsNil() {
-			if dst.CanSet() {
-				dst.Set(reflect.MakeMap(dst.Type()))
-			} else {
-				dst = src
-				return
-			}
+			dst.Set(reflect.MakeMap(dst.Type()))
 		}
 		for _, key := range src.MapKeys() {
 			srcElement := src.MapIndex(key)
-			dstElement := dst.MapIndex(key)
 			if !srcElement.IsValid() {
 				continue
 			}
-			if dst.MapIndex(key).IsValid() {
-				k := dstElement.Interface()
-				dstElement = reflect.ValueOf(k)
-			}
-			if isReflectNil(srcElement) {
-				if overwrite || isReflectNil(dstElement) {
-					dst.SetMapIndex(key, srcElement)
+			dstElement := dst.MapIndex(key)
+			switch srcElement.Kind() {
+			case reflect.Chan, reflect.Func, reflect.Map, reflect.Interface, reflect.Slice:
+				if srcElement.IsNil() {
+					continue
+				}
+				fallthrough
+			default:
+				if !srcElement.CanInterface() {
+					continue
+				}
+				switch reflect.TypeOf(srcElement.Interface()).Kind() {
+				case reflect.Struct:
+					fallthrough
+				case reflect.Ptr:
+					fallthrough
+				case reflect.Map:
+					srcMapElm := srcElement
+					dstMapElm := dstElement
+					if srcMapElm.CanInterface() {
+						srcMapElm = reflect.ValueOf(srcMapElm.Interface())
+						if dstMapElm.IsValid() {
+							dstMapElm = reflect.ValueOf(dstMapElm.Interface())
+						}
+					}
+					if err = deepMerge(dstMapElm, srcMapElm, visited, depth+1, config); err != nil {
+						return
+					}
+				case reflect.Slice:
+					srcSlice := reflect.ValueOf(srcElement.Interface())
+
+					var dstSlice reflect.Value
+					if !dstElement.IsValid() || dstElement.IsNil() {
+						dstSlice = reflect.MakeSlice(srcSlice.Type(), 0, srcSlice.Len())
+					} else {
+						dstSlice = reflect.ValueOf(dstElement.Interface())
+					}
+
+					if !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
+						dstSlice = srcSlice
+					} else if config.AppendSlice {
+						if srcSlice.Type() != dstSlice.Type() {
+							return fmt.Errorf("cannot append two slice with different type (%s, %s)", srcSlice.Type(), dstSlice.Type())
+						}
+						dstSlice = reflect.AppendSlice(dstSlice, srcSlice)
+					}
+					dst.SetMapIndex(key, dstSlice)
 				}
-				continue
 			}
-			if !srcElement.CanInterface() {
+			if dstElement.IsValid() && reflect.TypeOf(srcElement.Interface()).Kind() == reflect.Map {
 				continue
 			}
 
-			if srcElement.CanInterface() {
-				srcElement = reflect.ValueOf(srcElement.Interface())
-				if dstElement.IsValid() {
-					dstElement = reflect.ValueOf(dstElement.Interface())
+			if srcElement.IsValid() && (overwrite || (!dstElement.IsValid() || isEmptyValue(dstElement))) {
+				if dst.IsNil() {
+					dst.Set(reflect.MakeMap(dst.Type()))
 				}
+				dst.SetMapIndex(key, srcElement)
 			}
-			dstElement, err = deepMerge(dstElement, srcElement, visited, depth+1, config)
-			if err != nil {
-				return
-			}
-			dst.SetMapIndex(key, dstElement)
-
 		}
 	case reflect.Slice:
-		newSlice := dst
-		if (!isEmptyValue(src) || overwriteWithEmptySrc || overwriteSliceWithEmptySrc) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
-			if typeCheck && src.Type() != dst.Type() {
-				return dst, fmt.Errorf("cannot override two slices with different type (%s, %s)", src.Type(), dst.Type())
-			}
-			newSlice = src
+		if !dst.CanSet() {
+			break
+		}
+		if !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
+			dst.Set(src)
 		} else if config.AppendSlice {
-			if typeCheck && src.Type() != dst.Type() {
-				err = fmt.Errorf("cannot append two slice with different type (%s, %s)", src.Type(), dst.Type())
-				return
+			if src.Type() != dst.Type() {
+				return fmt.Errorf("cannot append two slice with different type (%s, %s)", src.Type(), dst.Type())
 			}
-			newSlice = reflect.AppendSlice(dst, src)
+			dst.Set(reflect.AppendSlice(dst, src))
 		}
-		if dst.CanSet() {
-			dst.Set(newSlice)
-		} else {
-			dst = newSlice
-		}
-	case reflect.Ptr, reflect.Interface:
-		if isReflectNil(src) {
+	case reflect.Ptr:
+		fallthrough
+	case reflect.Interface:
+		if src.IsNil() {
 			break
 		}
-
-		if dst.Kind() != reflect.Ptr && src.Type().AssignableTo(dst.Type()) {
-			if dst.IsNil() || overwrite {
-				if overwrite || isEmptyValue(dst) {
-					if dst.CanSet() {
-						dst.Set(src)
-					} else {
-						dst = src
-					}
-				}
-			}
-			break
-		}
-
 		if src.Kind() != reflect.Interface {
-			if dst.IsNil() || (src.Kind() != reflect.Ptr && overwrite) {
+			if dst.IsNil() || overwrite {
 				if dst.CanSet() && (overwrite || isEmptyValue(dst)) {
 					dst.Set(src)
 				}
 			} else if src.Kind() == reflect.Ptr {
-				if dst, err = deepMerge(dst.Elem(), src.Elem(), visited, depth+1, config); err != nil {
+				if err = deepMerge(dst.Elem(), src.Elem(), visited, depth+1, config); err != nil {
 					return
 				}
-				dst = dst.Addr()
 			} else if dst.Elem().Type() == src.Type() {
-				if dst, err = deepMerge(dst.Elem(), src, visited, depth+1, config); err != nil {
+				if err = deepMerge(dst.Elem(), src, visited, depth+1, config); err != nil {
 					return
 				}
 			} else {
-				return dst, ErrDifferentArgumentsTypes
+				return ErrDifferentArgumentsTypes
 			}
 			break
 		}
 		if dst.IsNil() || overwrite {
-			if (overwrite || isEmptyValue(dst)) && (overwriteWithEmptySrc || !isEmptyValue(src)) {
-				if dst.CanSet() {
-					dst.Set(src)
-				} else {
-					dst = src
-				}
+			if dst.CanSet() && (overwrite || isEmptyValue(dst)) {
+				dst.Set(src)
 			}
-		} else if _, err = deepMerge(dst.Elem(), src.Elem(), visited, depth+1, config); err != nil {
+		} else if err = deepMerge(dst.Elem(), src.Elem(), visited, depth+1, config); err != nil {
 			return
 		}
 	default:
-		overwriteFull := (!isEmptyValue(src) || overwriteWithEmptySrc) && (overwrite || isEmptyValue(dst))
-		if overwriteFull {
-			if dst.CanSet() {
-				dst.Set(src)
-			} else {
-				dst = src
-			}
+		if dst.CanSet() && !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) {
+			dst.Set(src)
 		}
 	}
-
 	return
 }
 
@@ -260,7 +206,7 @@ func Merge(dst, src interface{}, opts ...func(*Config)) error {
 	return merge(dst, src, opts...)
 }
 
-// MergeWithOverwrite will do the same as Merge except that non-empty dst attributes will be overridden by
+// MergeWithOverwrite will do the same as Merge except that non-empty dst attributes will be overriden by
 // non-empty src attribute values.
 // Deprecated: use Merge(…) with WithOverride
 func MergeWithOverwrite(dst, src interface{}, opts ...func(*Config)) error {
@@ -279,26 +225,11 @@ func WithOverride(config *Config) {
 	config.Overwrite = true
 }
 
-// WithOverwriteWithEmptyValue will make merge override non empty dst attributes with empty src attributes values.
-func WithOverwriteWithEmptyValue(config *Config) {
-	config.overwriteWithEmptyValue = true
-}
-
-// WithOverrideEmptySlice will make merge override empty dst slice with empty src slice.
-func WithOverrideEmptySlice(config *Config) {
-	config.overwriteSliceWithEmptyValue = true
-}
-
-// WithAppendSlice will make merge append slices instead of overwriting it.
+// WithAppendSlice will make merge append slices instead of overwriting it
 func WithAppendSlice(config *Config) {
 	config.AppendSlice = true
 }
 
-// WithTypeCheck will make merge check types while overwriting it (must be used with WithOverride).
-func WithTypeCheck(config *Config) {
-	config.TypeCheck = true
-}
-
 func merge(dst, src interface{}, opts ...func(*Config)) error {
 	var (
 		vDst, vSrc reflect.Value
@@ -314,25 +245,8 @@ func merge(dst, src interface{}, opts ...func(*Config)) error {
 	if vDst, vSrc, err = resolveValues(dst, src); err != nil {
 		return err
 	}
-	if !vDst.CanSet() {
-		return fmt.Errorf("cannot set dst, needs reference")
-	}
 	if vDst.Type() != vSrc.Type() {
 		return ErrDifferentArgumentsTypes
 	}
-	_, err = deepMerge(vDst, vSrc, make(map[uintptr]*visit), 0, config)
-	return err
-}
-
-// IsReflectNil is the reflect value provided nil
-func isReflectNil(v reflect.Value) bool {
-	k := v.Kind()
-	switch k {
-	case reflect.Interface, reflect.Slice, reflect.Chan, reflect.Func, reflect.Map, reflect.Ptr:
-		// Both interface and slice are nil if first word is 0.
-		// Both are always bigger than a word; assume flagIndir.
-		return v.IsNil()
-	default:
-		return false
-	}
+	return deepMerge(vDst, vSrc, make(map[uintptr]*visit), 0, config)
 }