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|
// Copyright 2021 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package krusty_test
import (
"strings"
"testing"
kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
)
// This is broken since kustomize v3.9.3.
// See https://github.com/kubernetes-sigs/kustomize/issues/3609 for details.
// Here is a structure of a kustomization of one resource inheriting from
// two bases. One of those bases is shared between the canary base and the
// final resource. This is named canary as it is a simple pattern to
// duplicate a resource that can be used with canary deployments.
//
// base
// | deployment.yaml
// | kustomization.yaml
// canary
// | deployment-canary-patch.yaml
// | kustomization.yaml
// mango
// | deployment-mango-patch.yaml
// | deployment-mango-canary-patch.yaml
// | kustomization.yaml
func TestRepeatBase(t *testing.T) {
th := kusttest_test.MakeHarness(t)
th.WriteK("base", `
resources:
- deployment.yaml
`)
th.WriteF("base/deployment.yaml", `
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: banana
spec:
selector:
matchLabels:
component: banana
template:
metadata:
labels:
component: banana
spec:
containers:
- name: banana
image: image
`)
th.WriteK("canary", `
resources:
- ../base
patches:
- patch: |
- op: replace
path: /metadata/name
value: banana-canary
target:
kind: Deployment
- path: deployment-canary-patch.yaml
`)
th.WriteF("canary/deployment-canary-patch.yaml", `
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: banana-canary
labels:
type: canary
spec:
selector:
matchLabels:
component: banana
type: canary
template:
metadata:
labels:
component: banana
type: canary
spec:
containers:
- name: banana
image: image-canary
`)
th.WriteK("mango", `
nameSuffix: -mango
resources:
- ../base
- ../canary
patches:
- path: deployment-mango-base-patch.yaml
- path: deployment-mango-canary-patch.yaml
`)
th.WriteF("mango/deployment-mango-base-patch.yaml", `
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: banana
spec:
template:
spec:
containers:
- name: banana
image: image-mango
`)
th.WriteF("mango/deployment-mango-canary-patch.yaml", `
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: banana-canary
spec:
template:
spec:
containers:
- name: banana
image: image-canary-mango
`)
err := th.RunWithErr("mango", th.MakeDefaultOptions())
if !strings.Contains(
err.Error(), "multiple matches for Id Deployment.v1.apps/banana.[noNs]; failed to find unique target for patch Deployment.v1.apps/banana.[noNs]") {
t.Fatalf("Unexpected err: %v", err)
}
// Uncomenting the following makes it work with kustomize v3.9.2 and bellow.
// m := th.Run("/app", th.MakeDefaultOptions())
// th.AssertActualEqualsExpected(m, `
//apiVersion: apps/v1
//kind: Deployment
//metadata:
// name: deployment-a
//spec:
// selector:
// matchLabels:
// component: deployment
// template:
// metadata:
// labels:
// component: deployment
// spec:
// containers:
// - image: image-a
// name: container-a
//---
//apiVersion: apps/v1
//kind: Deployment
//metadata:
// labels:
// type: canary
// name: deployment-canary-a
//spec:
// selector:
// matchLabels:
// component: deployment
// type: canary
// template:
// metadata:
// labels:
// component: deployment
// spec:
// containers:
// - image: image-canary-a
// name: container-a
// `)
}
|
