mergeenvfrom_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  import (
     7  	"testing"
     8  
     9  	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
    10  )
    11  
    12  func makeCommonFileForMergeEnvFromTest(th kusttest_test.Harness) {
    13  	th.WriteF("deployment.yaml", `
    14  apiVersion: apps/v1
    15  kind: Deployment
    16  metadata:
    17    name: nginx
    18  spec:
    19    template:
    20      spec:
    21        containers:
    22        - name: nginx
    23          image: image1
    24          envFrom:
    25          - configMapRef:
    26              name: some-config
    27          - configMapRef:
    28              name: more-config
    29  `)
    30  }
    31  
    32  // When patching, `envFrom` should merge the list instead of replacing it.
    33  func TestMergeEnvFrom(t *testing.T) {
    34  	th := kusttest_test.MakeHarness(t)
    35  	makeCommonFileForMergeEnvFromTest(th)
    36  	th.WriteK(".", `
    37  resources:
    38  - deployment.yaml
    39  
    40  patchesStrategicMerge:
    41  - |-
    42    apiVersion: apps/v1
    43    kind: Deployment
    44    metadata:
    45      name: nginx
    46    spec:
    47      template:
    48        spec:
    49          containers:
    50          - name: nginx
    51            envFrom:
    52            - configMapRef:
    53                name: another-config
    54  `)
    55  	m := th.Run(".", th.MakeDefaultOptions())
    56  	th.AssertActualEqualsExpected(m, `
    57  apiVersion: apps/v1
    58  kind: Deployment
    59  metadata:
    60    name: nginx
    61  spec:
    62    template:
    63      spec:
    64        containers:
    65        - envFrom:
    66          - configMapRef:
    67              name: another-config
    68          image: image1
    69          name: nginx
    70  `)
    71  }
    72  
    73  func TestMergeEnvFromViaJsonInline(t *testing.T) {
    74  	th := kusttest_test.MakeHarness(t)
    75  	makeCommonFileForMergeEnvFromTest(th)
    76  	th.WriteK(".", `
    77  resources:
    78  - deployment.yaml
    79  patches:
    80  - target:
    81      kind: Deployment
    82      name: nginx
    83    patch: |-
    84      - op: add
    85        path: /spec/template/spec/containers/0/envFrom/-
    86        value:
    87          configMapRef:
    88            name: another-config
    89  `)
    90  	m := th.Run(".", th.MakeDefaultOptions())
    91  	th.AssertActualEqualsExpected(m, `
    92  apiVersion: apps/v1
    93  kind: Deployment
    94  metadata:
    95    name: nginx
    96  spec:
    97    template:
    98      spec:
    99        containers:
   100        - envFrom:
   101          - configMapRef:
   102              name: some-config
   103          - configMapRef:
   104              name: more-config
   105          - configMapRef:
   106              name: another-config
   107          image: image1
   108          name: nginx
   109  `)
   110  }
   111
View as plain text