baseandoverlaymedium_test.go

// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0

package krusty_test

import (
	"testing"

	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
)

func writeMediumBase(th kusttest_test.Harness) {
	th.WriteK("/app/base", `
namePrefix: baseprefix-
commonLabels:
  foo: bar
commonAnnotations:
  baseAnno: This is a base annotation
resources:
- deployment/deployment.yaml
- service/service.yaml
`)
	th.WriteF("/app/base/service/service.yaml", `
apiVersion: v1
kind: Service
metadata:
  name: mungebot-service
  labels:
    app: mungebot
spec:
  ports:
    - port: 7002
  selector:
    app: mungebot
`)
	th.WriteF("/app/base/deployment/deployment.yaml", `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mungebot
  labels:
    app: mungebot
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: mungebot
    spec:
      containers:
      - name: nginx
        image: nginx
        env:
        - name: foo
          value: bar
        ports:
        - containerPort: 80
`)
}

func TestMediumBase(t *testing.T) {
	th := kusttest_test.MakeHarness(t)
	writeMediumBase(th)
	m := th.Run("/app/base", th.MakeDefaultOptions())
	th.AssertActualEqualsExpected(m, `
apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    baseAnno: This is a base annotation
  labels:
    app: mungebot
    foo: bar
  name: baseprefix-mungebot
spec:
  replicas: 1
  selector:
    matchLabels:
      foo: bar
  template:
    metadata:
      annotations:
        baseAnno: This is a base annotation
      labels:
        app: mungebot
        foo: bar
    spec:
      containers:
      - env:
        - name: foo
          value: bar
        image: nginx
        name: nginx
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  annotations:
    baseAnno: This is a base annotation
  labels:
    app: mungebot
    foo: bar
  name: baseprefix-mungebot-service
spec:
  ports:
  - port: 7002
  selector:
    app: mungebot
    foo: bar
`)
}

func TestMediumOverlay(t *testing.T) {
	th := kusttest_test.MakeHarness(t)
	writeMediumBase(th)
	th.WriteK("/app/overlay", `
namePrefix: test-infra-
commonLabels:
  app: mungebot
  org: kubernetes
  repo: test-infra
commonAnnotations:
  note: This is a test annotation
resources:
- ../base
patchesStrategicMerge:
- deployment/deployment.yaml
configMapGenerator:
- name: app-env
  envs:
  - configmap/db.env
  - configmap/units.ini
  - configmap/food.ini
- name: app-config
  files:
  - nonsense=configmap/dummy.txt
images:
- name: nginx
  newTag: 1.8.0`)

	th.WriteF("/app/overlay/configmap/db.env", `
DB_USERNAME=admin
DB_PASSWORD=somepw
`)
	th.WriteF("/app/overlay/configmap/units.ini", `
LENGTH=kilometer
ENERGY=electronvolt
`)
	th.WriteF("/app/overlay/configmap/food.ini", `
FRUIT=banana
LEGUME=chickpea
`)
	th.WriteF("/app/overlay/configmap/dummy.txt",
		`Lorem ipsum dolor sit amet, consectetur  
adipiscing elit, sed do eiusmod tempor		
incididunt ut labore et dolore magna aliqua.   
`)
	th.WriteF("/app/overlay/deployment/deployment.yaml", `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mungebot
spec:
  replicas: 2
  template:
    spec:
      containers:
      - name: nginx
        image: nginx:1.7.9
        env:
        - name: FOO
          valueFrom:
            configMapKeyRef:
              name: app-env
              key: somekey
      - name: busybox
        image: busybox
        envFrom:
        - configMapRef:
            name: someConfigMap
        - configMapRef:
            name: app-env
        volumeMounts:
        - mountPath: /tmp/env
          name: app-env
      volumes:
      - configMap:
          name: app-env
        name: app-env
`)
	m := th.Run("/app/overlay", th.MakeDefaultOptions())
	th.AssertActualEqualsExpected(m, `
apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    baseAnno: This is a base annotation
    note: This is a test annotation
  labels:
    app: mungebot
    foo: bar
    org: kubernetes
    repo: test-infra
  name: test-infra-baseprefix-mungebot
spec:
  replicas: 2
  selector:
    matchLabels:
      app: mungebot
      foo: bar
      org: kubernetes
      repo: test-infra
  template:
    metadata:
      annotations:
        baseAnno: This is a base annotation
        note: This is a test annotation
      labels:
        app: mungebot
        foo: bar
        org: kubernetes
        repo: test-infra
    spec:
      containers:
      - env:
        - name: FOO
          valueFrom:
            configMapKeyRef:
              key: somekey
              name: test-infra-app-env-ffmd9b969m
        - name: foo
          value: bar
        image: nginx:1.8.0
        name: nginx
        ports:
        - containerPort: 80
      - envFrom:
        - configMapRef:
            name: someConfigMap
        - configMapRef:
            name: test-infra-app-env-ffmd9b969m
        image: busybox
        name: busybox
        volumeMounts:
        - mountPath: /tmp/env
          name: app-env
      volumes:
      - configMap:
          name: test-infra-app-env-ffmd9b969m
        name: app-env
---
apiVersion: v1
kind: Service
metadata:
  annotations:
    baseAnno: This is a base annotation
    note: This is a test annotation
  labels:
    app: mungebot
    foo: bar
    org: kubernetes
    repo: test-infra
  name: test-infra-baseprefix-mungebot-service
spec:
  ports:
  - port: 7002
  selector:
    app: mungebot
    foo: bar
    org: kubernetes
    repo: test-infra
---
apiVersion: v1
data:
  DB_PASSWORD: somepw
  DB_USERNAME: admin
  ENERGY: electronvolt
  FRUIT: banana
  LEGUME: chickpea
  LENGTH: kilometer
kind: ConfigMap
metadata:
  annotations:
    note: This is a test annotation
  labels:
    app: mungebot
    org: kubernetes
    repo: test-infra
  name: test-infra-app-env-ffmd9b969m
---
apiVersion: v1
data:
  nonsense: |
    Lorem ipsum dolor sit amet, consectetur
    adipiscing elit, sed do eiusmod tempor
    incididunt ut labore et dolore magna aliqua.
kind: ConfigMap
metadata:
  annotations:
    note: This is a test annotation
  labels:
    app: mungebot
    org: kubernetes
    repo: test-infra
  name: test-infra-app-config-4mt28b5bg2
`)
}