Files
kustomize/pkg/target/multiplepatch_test.go
Jerome Brette e5ebca6604 Test tracking issue "patchesStrategicMerge elements can be dropped"
- Issue 1354
- $patch: delete is ignored or not depending of the include order
  in the kustomization.yaml
2019-07-15 19:02:52 -05:00

551 lines
12 KiB
Go

/*
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 target_test
import (
"strings"
"testing"
"sigs.k8s.io/kustomize/v3/pkg/kusttest"
)
func makeCommonFileForMultiplePatchTest(th *kusttest_test.KustTestHarness) {
th.WriteK("/app/base", `
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namePrefix: team-foo-
commonLabels:
app: mynginx
org: example.com
team: foo
commonAnnotations:
note: This is a test annotation
resources:
- deployment.yaml
- service.yaml
configMapGenerator:
- name: configmap-in-base
literals:
- foo=bar
`)
th.WriteF("/app/base/deployment.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
labels:
app: nginx
spec:
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
volumeMounts:
- name: nginx-persistent-storage
mountPath: /tmp/ps
- name: sidecar
image: sidecar:latest
volumes:
- name: nginx-persistent-storage
emptyDir: {}
- configMap:
name: configmap-in-base
name: configmap-in-base
`)
th.WriteF("/app/base/service.yaml", `
apiVersion: v1
kind: Service
metadata:
name: nginx
labels:
app: nginx
spec:
ports:
- port: 80
selector:
app: nginx
`)
th.WriteK("/app/overlay/staging", `
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namePrefix: staging-
commonLabels:
env: staging
patchesStrategicMerge:
- deployment-patch1.yaml
- deployment-patch2.yaml
resources:
- ../../base
configMapGenerator:
- name: configmap-in-overlay
literals:
- hello=world
`)
}
func TestMultiplePatchesNoConflict(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/overlay/staging")
makeCommonFileForMultiplePatchTest(th)
th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
image: nginx:latest
env:
- name: ENVKEY
value: ENVVALUE
volumes:
- name: nginx-persistent-storage
emptyDir: null
gcePersistentDisk:
pdName: nginx-persistent-storage
- configMap:
name: configmap-in-overlay
name: configmap-in-overlay
`)
th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
env:
- name: ANOTHERENV
value: FOO
volumes:
- name: nginx-persistent-storage
`)
m, err := th.MakeKustTarget().MakeCustomizedResMap()
if err != nil {
t.Fatalf("Err: %v", err)
}
th.AssertActualEqualsExpected(m, `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
selector:
matchLabels:
app: mynginx
env: staging
org: example.com
team: foo
template:
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
spec:
containers:
- env:
- name: ANOTHERENV
value: FOO
- name: ENVKEY
value: ENVVALUE
image: nginx:latest
name: nginx
volumeMounts:
- mountPath: /tmp/ps
name: nginx-persistent-storage
- image: sidecar:latest
name: sidecar
volumes:
- gcePersistentDisk:
pdName: nginx-persistent-storage
name: nginx-persistent-storage
- configMap:
name: staging-configmap-in-overlay-k7cbc75tg8
name: configmap-in-overlay
- configMap:
name: staging-team-foo-configmap-in-base-g7k6gt2889
name: configmap-in-base
---
apiVersion: v1
kind: Service
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
ports:
- port: 80
selector:
app: mynginx
env: staging
org: example.com
team: foo
---
apiVersion: v1
data:
foo: bar
kind: ConfigMap
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-configmap-in-base-g7k6gt2889
---
apiVersion: v1
data:
hello: world
kind: ConfigMap
metadata:
labels:
env: staging
name: staging-configmap-in-overlay-k7cbc75tg8
`)
}
func TestMultiplePatchesWithConflict(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/overlay/staging")
makeCommonFileForMultiplePatchTest(th)
th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
env:
- name: ENABLE_FEATURE_FOO
value: TRUE
volumes:
- name: nginx-persistent-storage
emptyDir: null
gcePersistentDisk:
pdName: nginx-persistent-storage
- configMap:
name: configmap-in-overlay
name: configmap-in-overlay
`)
th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
env:
- name: ENABLE_FEATURE_FOO
value: FALSE
`)
_, err := th.MakeKustTarget().MakeCustomizedResMap()
if err == nil {
t.Fatalf("expected conflict")
}
if !strings.Contains(
err.Error(), "conflict between ") {
t.Fatalf("Unexpected err: %v", err)
}
}
// TestMultiplePatchesWithPatchDeleteIgnored demonstrates that if the
// patch containing the $patch:delete directive is second in the list,
// the behavior of kustomize is incorrect, and the sidecar container is
// not removed from the final output. No conflict, nor error is reported
// even so the patch is ignored. See issue #1354
func TestMultiplePatchesWithPatchDeleteIgnored(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/overlay/staging")
makeCommonFileForMultiplePatchTest(th)
th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
env:
- name: SOME_NAME
value: somevalue
`)
th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- $patch: delete
name: sidecar
`)
m, err := th.MakeKustTarget().MakeCustomizedResMap()
if err != nil {
t.Fatalf("Err: %v", err)
}
th.AssertActualEqualsExpected(m, `apiVersion: apps/v1beta2
kind: Deployment
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
selector:
matchLabels:
app: mynginx
env: staging
org: example.com
team: foo
template:
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
spec:
containers:
- env:
- name: SOME_NAME
value: somevalue
image: nginx
name: nginx
volumeMounts:
- mountPath: /tmp/ps
name: nginx-persistent-storage
- image: sidecar:latest
name: sidecar
volumes:
- emptyDir: {}
name: nginx-persistent-storage
- configMap:
name: staging-team-foo-configmap-in-base-g7k6gt2889
name: configmap-in-base
---
apiVersion: v1
kind: Service
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
ports:
- port: 80
selector:
app: mynginx
env: staging
org: example.com
team: foo
---
apiVersion: v1
data:
foo: bar
kind: ConfigMap
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-configmap-in-base-g7k6gt2889
---
apiVersion: v1
data:
hello: world
kind: ConfigMap
metadata:
labels:
env: staging
name: staging-configmap-in-overlay-k7cbc75tg8
`)
}
// TestMultiplePatchesWithPatchDeleteApplied demonstrates that if the
// patch containing the $patch:delete directive is first in the list,
// the behavior of kustomize is correct, and the sidecar container
// is removed from the final output. See issue #1354
func TestMultiplePatchesWithPatchDeleteApplied(t *testing.T) {
th := kusttest_test.NewKustTestHarness(t, "/app/overlay/staging")
makeCommonFileForMultiplePatchTest(th)
th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- $patch: delete
name: sidecar
`)
th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx
spec:
template:
spec:
containers:
- name: nginx
env:
- name: SOME_NAME
value: somevalue
`)
m, err := th.MakeKustTarget().MakeCustomizedResMap()
if err != nil {
t.Fatalf("Err: %v", err)
}
th.AssertActualEqualsExpected(m, `apiVersion: apps/v1beta2
kind: Deployment
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
selector:
matchLabels:
app: mynginx
env: staging
org: example.com
team: foo
template:
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
spec:
containers:
- env:
- name: SOME_NAME
value: somevalue
image: nginx
name: nginx
volumeMounts:
- mountPath: /tmp/ps
name: nginx-persistent-storage
volumes:
- emptyDir: {}
name: nginx-persistent-storage
- configMap:
name: staging-team-foo-configmap-in-base-g7k6gt2889
name: configmap-in-base
---
apiVersion: v1
kind: Service
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-nginx
spec:
ports:
- port: 80
selector:
app: mynginx
env: staging
org: example.com
team: foo
---
apiVersion: v1
data:
foo: bar
kind: ConfigMap
metadata:
annotations:
note: This is a test annotation
labels:
app: mynginx
env: staging
org: example.com
team: foo
name: staging-team-foo-configmap-in-base-g7k6gt2889
---
apiVersion: v1
data:
hello: world
kind: ConfigMap
metadata:
labels:
env: staging
name: staging-configmap-in-overlay-k7cbc75tg8
`)
}