mirror of
https://github.com/kubernetes-sigs/kustomize.git
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Isolated content of pkg/kustomize
This commit is contained in:
Jeffrey Regan
648
pkg/transformers/overlay_test.go
Normal file
648
pkg/transformers/overlay_test.go
Normal file
@@ -0,0 +1,648 @@
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/*
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Copyright 2018 The Kubernetes Authors.
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|
||||
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
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||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
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||||
|
||||
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.
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||||
*/
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||||
|
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package transformers
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import (
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"reflect"
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"strings"
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"testing"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubectl/pkg/kustomize/resource"
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)
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||||
func TestOverlayRun(t *testing.T) {
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base := resource.ResourceCollection{
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||||
{
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||||
GVK: schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
Name: "deploy1",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"metadata": map[string]interface{}{
|
||||
"labels": map[string]interface{}{
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"old-label": "old-value",
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||||
},
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||||
},
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||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
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||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
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||||
}
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||||
overlay := []*resource.Resource{
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||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"metadata": map[string]interface{}{
|
||||
"labels": map[string]interface{}{
|
||||
"another-label": "foo",
|
||||
},
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
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map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx:latest",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
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||||
"name": "SOMEENV",
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||||
"value": "BAR",
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||||
},
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||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
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||||
}
|
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expected := resource.ResourceCollection{
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||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
Name: "deploy1",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"metadata": map[string]interface{}{
|
||||
"labels": map[string]interface{}{
|
||||
"old-label": "old-value",
|
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"another-label": "foo",
|
||||
},
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
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map[string]interface{}{
|
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"name": "nginx",
|
||||
"image": "nginx:latest",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "SOMEENV",
|
||||
"value": "BAR",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
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||||
}
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lt, err := NewOverlayTransformer(overlay)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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err = lt.Transform(base)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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||||
}
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if !reflect.DeepEqual(base, expected) {
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err = compareMap(base, expected)
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t.Fatalf("actual doesn't match expected: %v", err)
|
||||
}
|
||||
}
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|
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func TestMultiplePatches(t *testing.T) {
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base := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
Name: "deploy1",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
overlay := []*resource.Resource{
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx:latest",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "SOMEENV",
|
||||
"value": "BAR",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "ANOTHERENV",
|
||||
"value": "HELLO",
|
||||
},
|
||||
},
|
||||
},
|
||||
map[string]interface{}{
|
||||
"name": "busybox",
|
||||
"image": "busybox",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
expected := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
Name: "deploy1",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx:latest",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "ANOTHERENV",
|
||||
"value": "HELLO",
|
||||
},
|
||||
map[string]interface{}{
|
||||
"name": "SOMEENV",
|
||||
"value": "BAR",
|
||||
},
|
||||
},
|
||||
},
|
||||
map[string]interface{}{
|
||||
"name": "busybox",
|
||||
"image": "busybox",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
lt, err := NewOverlayTransformer(overlay)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
err = lt.Transform(base)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
if !reflect.DeepEqual(base, expected) {
|
||||
err = compareMap(base, expected)
|
||||
t.Fatalf("actual doesn't match expected: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMultiplePatchesWithConflict(t *testing.T) {
|
||||
base := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
Name: "deploy1",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
overlay := []*resource.Resource{
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx:latest",
|
||||
"env": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "SOMEENV",
|
||||
"value": "BAR",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "apps/v1",
|
||||
"kind": "Deployment",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "deploy1",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"template": map[string]interface{}{
|
||||
"spec": map[string]interface{}{
|
||||
"containers": []interface{}{
|
||||
map[string]interface{}{
|
||||
"name": "nginx",
|
||||
"image": "nginx:1.7.9",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
lt, err := NewOverlayTransformer(overlay)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
err = lt.Transform(base)
|
||||
if err == nil {
|
||||
t.Fatalf("did not get expected error")
|
||||
}
|
||||
if !strings.Contains(err.Error(), "conflict") {
|
||||
t.Fatalf("expected error to contain %q but get %v", "conflict", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNoSchemaOverlayRun(t *testing.T) {
|
||||
base := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "example.com", Version: "v1", Kind: "Foo"},
|
||||
Name: "my-foo",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"A": "X",
|
||||
"B": "Y",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
overlay := []*resource.Resource{
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"B": nil,
|
||||
"C": "Z",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
expected := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "example.com", Version: "v1", Kind: "Foo"},
|
||||
Name: "my-foo",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"A": "X",
|
||||
"C": "Z",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
lt, err := NewOverlayTransformer(overlay)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
err = lt.Transform(base)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
if err = compareMap(base, expected); err != nil {
|
||||
t.Fatalf("actual doesn't match expected: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNoSchemaMultiplePatches(t *testing.T) {
|
||||
base := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "example.com", Version: "v1", Kind: "Foo"},
|
||||
Name: "my-foo",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"A": "X",
|
||||
"B": "Y",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
overlay := []*resource.Resource{
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"B": nil,
|
||||
"C": "Z",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"C": "Z",
|
||||
"D": "W",
|
||||
},
|
||||
"baz": map[string]interface{}{
|
||||
"hello": "world",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
expected := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "example.com", Version: "v1", Kind: "Foo"},
|
||||
Name: "my-foo",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"A": "X",
|
||||
"C": "Z",
|
||||
"D": "W",
|
||||
},
|
||||
"baz": map[string]interface{}{
|
||||
"hello": "world",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
lt, err := NewOverlayTransformer(overlay)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
err = lt.Transform(base)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
if err = compareMap(base, expected); err != nil {
|
||||
t.Fatalf("actual doesn't match expected: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNoSchemaMultiplePatchesWithConflict(t *testing.T) {
|
||||
base := resource.ResourceCollection{
|
||||
{
|
||||
GVK: schema.GroupVersionKind{Group: "example.com", Version: "v1", Kind: "Foo"},
|
||||
Name: "my-foo",
|
||||
}: &resource.Resource{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"A": "X",
|
||||
"B": "Y",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
overlay := []*resource.Resource{
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"B": nil,
|
||||
"C": "Z",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Data: &unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"apiVersion": "example.com/v1",
|
||||
"kind": "Foo",
|
||||
"metadata": map[string]interface{}{
|
||||
"name": "my-foo",
|
||||
},
|
||||
"spec": map[string]interface{}{
|
||||
"bar": map[string]interface{}{
|
||||
"C": "NOT_Z",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
lt, err := NewOverlayTransformer(overlay)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
err = lt.Transform(base)
|
||||
if err == nil {
|
||||
t.Fatalf("did not get expected error")
|
||||
}
|
||||
if !strings.Contains(err.Error(), "conflict") {
|
||||
t.Fatalf("expected error to contain %q but get %v", "conflict", err)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user