diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/util/mergepatch/util.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/util/mergepatch/util.go | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/util/mergepatch/util.go b/vendor/k8s.io/apimachinery/pkg/util/mergepatch/util.go deleted file mode 100644 index 9261290a7..000000000 --- a/vendor/k8s.io/apimachinery/pkg/util/mergepatch/util.go +++ /dev/null @@ -1,133 +0,0 @@ -/* -Copyright 2017 The Kubernetes Authors. - -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. -*/ - -package mergepatch - -import ( - "fmt" - "reflect" - - "github.com/davecgh/go-spew/spew" - "github.com/ghodss/yaml" -) - -// PreconditionFunc asserts that an incompatible change is not present within a patch. -type PreconditionFunc func(interface{}) bool - -// RequireKeyUnchanged returns a precondition function that fails if the provided key -// is present in the patch (indicating that its value has changed). -func RequireKeyUnchanged(key string) PreconditionFunc { - return func(patch interface{}) bool { - patchMap, ok := patch.(map[string]interface{}) - if !ok { - return true - } - - // The presence of key means that its value has been changed, so the test fails. - _, ok = patchMap[key] - return !ok - } -} - -// RequireMetadataKeyUnchanged creates a precondition function that fails -// if the metadata.key is present in the patch (indicating its value -// has changed). -func RequireMetadataKeyUnchanged(key string) PreconditionFunc { - return func(patch interface{}) bool { - patchMap, ok := patch.(map[string]interface{}) - if !ok { - return true - } - patchMap1, ok := patchMap["metadata"] - if !ok { - return true - } - patchMap2, ok := patchMap1.(map[string]interface{}) - if !ok { - return true - } - _, ok = patchMap2[key] - return !ok - } -} - -func ToYAMLOrError(v interface{}) string { - y, err := toYAML(v) - if err != nil { - return err.Error() - } - - return y -} - -func toYAML(v interface{}) (string, error) { - y, err := yaml.Marshal(v) - if err != nil { - return "", fmt.Errorf("yaml marshal failed:%v\n%v\n", err, spew.Sdump(v)) - } - - return string(y), nil -} - -// HasConflicts returns true if the left and right JSON interface objects overlap with -// different values in any key. All keys are required to be strings. Since patches of the -// same Type have congruent keys, this is valid for multiple patch types. This method -// supports JSON merge patch semantics. -// -// NOTE: Numbers with different types (e.g. int(0) vs int64(0)) will be detected as conflicts. -// Make sure the unmarshaling of left and right are consistent (e.g. use the same library). -func HasConflicts(left, right interface{}) (bool, error) { - switch typedLeft := left.(type) { - case map[string]interface{}: - switch typedRight := right.(type) { - case map[string]interface{}: - for key, leftValue := range typedLeft { - rightValue, ok := typedRight[key] - if !ok { - continue - } - if conflict, err := HasConflicts(leftValue, rightValue); err != nil || conflict { - return conflict, err - } - } - - return false, nil - default: - return true, nil - } - case []interface{}: - switch typedRight := right.(type) { - case []interface{}: - if len(typedLeft) != len(typedRight) { - return true, nil - } - - for i := range typedLeft { - if conflict, err := HasConflicts(typedLeft[i], typedRight[i]); err != nil || conflict { - return conflict, err - } - } - - return false, nil - default: - return true, nil - } - case string, float64, bool, int, int64, nil: - return !reflect.DeepEqual(left, right), nil - default: - return true, fmt.Errorf("unknown type: %v", reflect.TypeOf(left)) - } -} |