rebase: update kubernetes to v1.20.0

updated kubernetes packages to latest
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/github.com/evanphx/json-patch/.travis.yml

@@ -1,8 +1,8 @@
 language: go
 
 go:
-  - 1.8
-  - 1.7
+  - 1.14
+  - 1.13
 
 install:
   - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
@@ -11,6 +11,9 @@ install:
 script:
   - go get
   - go test -cover ./...
+  - cd ./v5
+  - go get
+  - go test -cover ./...
 
 notifications:
   email: false

vendor/github.com/evanphx/json-patch/LICENSE

@@ -6,7 +6,7 @@ modification, are permitted provided that the following conditions are met:
 
 * Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above copyright notice
+* Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 * Neither the name of the Evan Phoenix nor the names of its contributors 

vendor/github.com/evanphx/json-patch/README.md

@@ -1,5 +1,5 @@
 # JSON-Patch
-`jsonpatch` is a library which provides functionallity for both applying
+`jsonpatch` is a library which provides functionality for both applying
 [RFC6902 JSON patches](http://tools.ietf.org/html/rfc6902) against documents, as
 well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ietf.org/html/rfc7396).
 
@@ -11,10 +11,11 @@ well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ie
 
 **Latest and greatest**: 
 ```bash
-go get -u github.com/evanphx/json-patch
+go get -u github.com/evanphx/json-patch/v5
 ```
 
 **Stable Versions**:
+* Version 5: `go get -u gopkg.in/evanphx/json-patch.v5`
 * Version 4: `go get -u gopkg.in/evanphx/json-patch.v4`
 
 (previous versions below `v3` are unavailable)
@@ -82,7 +83,7 @@ When ran, you get the following output:
 ```bash
 $ go run main.go
 patch document:   {"height":null,"name":"Jane"}
-updated tina doc: {"age":28,"name":"Jane"}
+updated alternative doc: {"age":28,"name":"Jane"}
 ```
 
 ## Create and apply a JSON Patch
@@ -164,7 +165,7 @@ func main() {
 	}
 
 	if !jsonpatch.Equal(original, different) {
-		fmt.Println(`"original" is _not_ structurally equal to "similar"`)
+		fmt.Println(`"original" is _not_ structurally equal to "different"`)
 	}
 }
 ```
@@ -173,7 +174,7 @@ When ran, you get the following output:
 ```bash
 $ go run main.go
 "original" is structurally equal to "similar"
-"original" is _not_ structurally equal to "similar"
+"original" is _not_ structurally equal to "different"
 ```
 
 ## Combine merge patches

vendor/github.com/evanphx/json-patch/merge.go

@@ -307,13 +307,16 @@ func matchesValue(av, bv interface{}) bool {
 		return true
 	case map[string]interface{}:
 		bt := bv.(map[string]interface{})
-		for key := range at {
-			if !matchesValue(at[key], bt[key]) {
-				return false
-			}
+		if len(bt) != len(at) {
+			return false
 		}
 		for key := range bt {
-			if !matchesValue(at[key], bt[key]) {
+			av, aOK := at[key]
+			bv, bOK := bt[key]
+			if aOK != bOK {
+				return false
+			}
+			if !matchesValue(av, bv) {
 				return false
 			}
 		}

vendor/github.com/evanphx/json-patch/patch.go

@@ -202,6 +202,10 @@ func (n *lazyNode) equal(o *lazyNode) bool {
 			return false
 		}
 
+		if len(n.doc) != len(o.doc) {
+			return false
+		}
+
 		for k, v := range n.doc {
 			ov, ok := o.doc[k]
 
@@ -209,6 +213,10 @@ func (n *lazyNode) equal(o *lazyNode) bool {
 				return false
 			}
 
+			if (v == nil) != (ov == nil) {
+				return false
+			}
+
 			if v == nil && ov == nil {
 				continue
 			}
@@ -429,14 +437,14 @@ func (d *partialArray) add(key string, val *lazyNode) error {
 		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
 	}
 
-	if SupportNegativeIndices {
+	if idx < 0 {
+		if !SupportNegativeIndices {
+			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+		}
 		if idx < -len(ary) {
 			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
 		}
-
-		if idx < 0 {
-			idx += len(ary)
-		}
+		idx += len(ary)
 	}
 
 	copy(ary[0:idx], cur[0:idx])
@@ -473,14 +481,14 @@ func (d *partialArray) remove(key string) error {
 		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
 	}
 
-	if SupportNegativeIndices {
+	if idx < 0 {
+		if !SupportNegativeIndices {
+			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+		}
 		if idx < -len(cur) {
 			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
 		}
-
-		if idx < 0 {
-			idx += len(cur)
-		}
+		idx += len(cur)
 	}
 
 	ary := make([]*lazyNode, len(cur)-1)