diamondpatchref_test.go

Documentation: sigs.k8s.io/kustomize/api/krusty

     1  // Copyright 2019 The Kubernetes Authors.
     2  // SPDX-License-Identifier: Apache-2.0
     3  
     4  package krusty_test
     5  
     6  // In the following structure `top` patches `left-deploy` and `right-deploy` to reference the
     7  // configMap in `bottom`. This test verifies `configMapRef.name` in `left-deploy` and
     8  // `right-deploy` is modified correctly.
     9  //
    10  //                       top
    11  //                 /            \
    12  //           left                   right
    13  //          /   \                  /    \
    14  // left-service  bottom        bottom right-service
    15  //         |          \       /          |
    16  // left-deploy          bottom        right-deploy
    17  //                        |
    18  //                     configMap
    19  
    20  import (
    21  	"testing"
    22  
    23  	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
    24  )
    25  
    26  func TestConfMapNameResolutionInDiamondWithPatches(t *testing.T) {
    27  	th := kusttest_test.MakeHarness(t)
    28  
    29  	th.WriteK("bottom", `
    30  configMapGenerator:
    31  - name: bottom
    32    literals:
    33    - KEY=value
    34  `)
    35  
    36  	th.WriteK("left-service", `
    37  resources:
    38  - deployment.yaml
    39  `)
    40  
    41  	th.WriteF("left-service/deployment.yaml", `
    42  apiVersion: apps/v1
    43  kind: Deployment
    44  metadata:
    45    name: left-deploy
    46    labels:
    47      app.kubernetes.io/name: left-deploy
    48  spec:
    49    selector:
    50      matchLabels:
    51        app.kubernetes.io/name: left-pod
    52    template:
    53      metadata:
    54        labels:
    55          app.kubernetes.io/name: left-pod
    56      spec:
    57        containers:
    58        - image: left-image:v1.0
    59          name: service
    60  `)
    61  
    62  	th.WriteK("right-service", `
    63  resources:
    64  - deployment.yaml
    65  `)
    66  
    67  	th.WriteF("right-service/deployment.yaml", `
    68  apiVersion: apps/v1
    69  kind: Deployment
    70  metadata:
    71    name: right-deploy
    72    labels:
    73      app.kubernetes.io/name: right-deploy
    74  spec:
    75    selector:
    76      matchLabels:
    77        app.kubernetes.io/name: right-pod
    78    template:
    79      metadata:
    80        labels:
    81          app.kubernetes.io/name: right-pod
    82      spec:
    83        containers:
    84        - image: right-image:v1.0
    85          name: service
    86  `)
    87  
    88  	th.WriteK("top", `
    89  resources:
    90  - ./left
    91  - ./right
    92  `)
    93  
    94  	th.WriteK("top/left", `
    95  resources:
    96  - ../../left-service
    97  - ./bottom
    98  
    99  patches:
   100  - target:
   101      kind: Deployment
   102      name: left-deploy
   103    patch: |-
   104      apiVersion: apps/v1
   105      kind: Deployment
   106      metadata:
   107        name: ignored-by-kustomize
   108      spec:
   109        template:
   110          spec:
   111            containers:
   112            - name: service
   113              env:
   114              - name: MAPPED_CONFIG_ITEM
   115                valueFrom:
   116                  configMapKeyRef:
   117                    name: left-bottom
   118                    key: KEY
   119  `)
   120  
   121  	th.WriteK("top/left/bottom", `
   122  namePrefix: left-
   123  
   124  resources:
   125  - ../../../bottom
   126  `)
   127  
   128  	th.WriteK("top/right", `
   129  resources:
   130  - ../../right-service
   131  - ./bottom
   132  
   133  patches:
   134  - target:
   135      kind: Deployment
   136      name: right-deploy
   137    patch: |-
   138      apiVersion: apps/v1
   139      kind: Deployment
   140      metadata:
   141        name: ignored-by-kustomize
   142      spec:
   143        template:
   144          spec:
   145            containers:
   146            - name: service
   147              env:
   148              - name: MAPPED_CONFIG_ITEM
   149                valueFrom:
   150                  configMapKeyRef:
   151                    name: right-bottom
   152                    key: KEY
   153  `)
   154  
   155  	th.WriteK("top/right/bottom", `
   156  namePrefix: right-
   157  
   158  resources:
   159  - ../../../bottom
   160  `)
   161  
   162  	m := th.Run("top", th.MakeDefaultOptions())
   163  	th.AssertActualEqualsExpected(m, `apiVersion: apps/v1
   164  kind: Deployment
   165  metadata:
   166    labels:
   167      app.kubernetes.io/name: left-deploy
   168    name: left-deploy
   169  spec:
   170    selector:
   171      matchLabels:
   172        app.kubernetes.io/name: left-pod
   173    template:
   174      metadata:
   175        labels:
   176          app.kubernetes.io/name: left-pod
   177      spec:
   178        containers:
   179        - env:
   180          - name: MAPPED_CONFIG_ITEM
   181            valueFrom:
   182              configMapKeyRef:
   183                key: KEY
   184                name: left-bottom-9f2t6f5h6d
   185          image: left-image:v1.0
   186          name: service
   187  ---
   188  apiVersion: v1
   189  data:
   190    KEY: value
   191  kind: ConfigMap
   192  metadata:
   193    name: left-bottom-9f2t6f5h6d
   194  ---
   195  apiVersion: apps/v1
   196  kind: Deployment
   197  metadata:
   198    labels:
   199      app.kubernetes.io/name: right-deploy
   200    name: right-deploy
   201  spec:
   202    selector:
   203      matchLabels:
   204        app.kubernetes.io/name: right-pod
   205    template:
   206      metadata:
   207        labels:
   208          app.kubernetes.io/name: right-pod
   209      spec:
   210        containers:
   211        - env:
   212          - name: MAPPED_CONFIG_ITEM
   213            valueFrom:
   214              configMapKeyRef:
   215                key: KEY
   216                name: right-bottom-9f2t6f5h6d
   217          image: right-image:v1.0
   218          name: service
   219  ---
   220  apiVersion: v1
   221  data:
   222    KEY: value
   223  kind: ConfigMap
   224  metadata:
   225    name: right-bottom-9f2t6f5h6d
   226  `)
   227  }
   228
View as plain text