Merge pull request #74369 from skriss/object-tracker-merge-patch

fake client object tracker: support merge patch
pull/564/head
Kubernetes Prow Robot 2019-03-06 20:34:58 -08:00 committed by GitHub
commit 3199da2960
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2 changed files with 16 additions and 7 deletions

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@ -181,11 +181,11 @@ func TestPatch(t *testing.T) {
patchBytes: []byte(`[{"op": "add", "path": "/spec/newvalue", "value": "dummy"}]`),
wantErrMsg: "invalid JSON document",
}, {
name: "merge patch fails as unsupported",
object: newUnstructured(testAPIVersion, testKind, testNamespace, testName),
patchType: types.MergePatchType,
patchBytes: []byte(`{}`),
wantErrMsg: "PatchType is not supported",
name: "merge patch works with simple replacement",
object: newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
patchType: types.MergePatchType,
patchBytes: []byte(`{ "spec": { "foo": "baz" } }`),
expectedPatchedObject: newUnstructuredWithSpec(map[string]interface{}{"foo": "baz"}),
},
// TODO: Add tests for strategic merge using v1.Pod for example to ensure the test cases
// demonstrate expected use cases.

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@ -20,7 +20,7 @@ import (
"fmt"
"sync"
"github.com/evanphx/json-patch"
jsonpatch "github.com/evanphx/json-patch"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -138,7 +138,7 @@ func ObjectReaction(tracker ObjectTracker) ReactionFunc {
if err != nil {
return true, nil, err
}
// Only supports strategic merge patch and JSONPatch as coded.
switch action.GetPatchType() {
case types.JSONPatchType:
patch, err := jsonpatch.DecodePatch(action.GetPatch())
@ -152,6 +152,15 @@ func ObjectReaction(tracker ObjectTracker) ReactionFunc {
if err = json.Unmarshal(modified, obj); err != nil {
return true, nil, err
}
case types.MergePatchType:
modified, err := jsonpatch.MergePatch(old, action.GetPatch())
if err != nil {
return true, nil, err
}
if err := json.Unmarshal(modified, obj); err != nil {
return true, nil, err
}
case types.StrategicMergePatchType:
mergedByte, err := strategicpatch.StrategicMergePatch(old, action.GetPatch(), obj)
if err != nil {