address comments

pkg/patch/jsonpatch.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2018 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 patch
+
+// PatchJson6902 represents a json patch for an object
+// with format documented https://tools.ietf.org/html/rfc6902.
+type PatchJson6902 struct {
+	// Relative file path within the kustomization for a json patch file.
+	Path string `json:"path" yaml:"path"`
+
+	// Target refers to a Kubernetes object that the json patch will be
+	// applied to. It must refer to a Kubernetes resource under the
+	// purview of this kustomization. Target should use the
+	// raw name of the object (the name specified in its YAML,
+	// before addition of a namePrefix).
+	Target Target `json:"target" yaml:"target"`
+}
+
+// Target represents the kubernetes object that the patch is applied to
+type Target struct {
+	Group     string `json:"group,omitempty" yaml:"group,omitempty"`
+	Version   string `json:"version,omitempty" yaml:"version,omitempty"`
+	Kind      string `json:"kind,omitempty" yaml:"kind,omitempty"`
+	Namespace string `json:"namespace,omitempty" yaml:"namespace,omitempty"`
+	Name      string `json:"name" yaml:"name"`
+}

pkg/patch/strategicmergepatch.go

@@ -0,0 +1,30 @@
+/*
+Copyright 2018 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 patch
+
+// PatchStrategicMerge represents a relative path to a
+// stategic merget patch with the format
+// https://github.com/kubernetes/community/blob/master/contributors/devel/strategic-merge-patch.md
+type PatchStrategicMerge string
+
+// Append appends a slice of patch paths to a PatchStategicMerge slice
+func Append(patches []PatchStrategicMerge, paths []string) []PatchStrategicMerge {
+	for _, p := range paths {
+		patches = append(patches, PatchStrategicMerge(p))
+	}
+	return patches
+}