Introduce Kustomize API group

To be used by the kustomize-controller and helm-controller for various
patching functionalities.

Signed-off-by: Hidde Beydals <[email protected]>

apis/kustomize/doc.go

@@ -0,0 +1,19 @@
+/*
+Copyright 2021 The Flux 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 kustomize contains a selective set of Kustomize APIs for use by
+// toolkit components.
+package kustomize

apis/kustomize/go.mod

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+module github.com/fluxcd/pkg/apis/kustomize
+
+go 1.15

apis/kustomize/kustomize_types.go

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+/*
+Copyright 2021 The Flux 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 kustomize
+
+// Image contains an image name, a new name, a new tag or digest,
+// which will replace the original name and tag.
+type Image struct {
+	// Name is a tag-less image name.
+	// +required
+	Name string `json:"name"`
+
+	// NewName is the value used to replace the original name.
+	// +optional
+	NewName string `json:"newName,omitempty"`
+
+	// NewTag is the value used to replace the original tag.
+	// +optional
+	NewTag string `json:"newTag,omitempty"`
+
+	// Digest is the value used to replace the original image tag.
+	// If digest is present NewTag value is ignored.
+	// +optional
+	Digest string `json:"digest,omitempty" yaml:"digest,omitempty"`
+}
+
+// Selector specifies a set of resources.
+// Any resource that matches intersection of all conditions is included in this set.
+type Selector struct {
+	// Group is the API group to select.
+	// https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
+	// +optional
+	Group string `json:"group,omitempty"`
+
+	// Version of the API Group to select.
+	// https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
+	// +optional
+	Version string `json:"version,omitempty"`
+
+	// Kind of the API Group to select.
+	// https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
+	// +optional
+	Kind string `json:"kind,omitempty"`
+
+	// +optional
+	Namespace string `json:"namespace,omitempty"`
+
+	// +optional
+	Name string `json:"name,omitempty"`
+
+	// AnnotationSelector is a string that follows the label selection expression
+	// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api
+	// It matches with the resource annotations.
+	// +optional
+	AnnotationSelector string `json:"annotationSelector,omitempty"`
+
+	// LabelSelector is a string that follows the label selection expression
+	// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api
+	// It matches with the resource labels.
+	// +optional
+	LabelSelector string `json:"labelSelector,omitempty"`
+}