mirror of
https://github.com/kubernetes-sigs/kustomize.git
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492 lines
11 KiB
Go
492 lines
11 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package krusty_test
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"sigs.k8s.io/kustomize/api/internal/utils"
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"sigs.k8s.io/kustomize/api/krusty"
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kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
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"sigs.k8s.io/kustomize/kyaml/filesys"
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)
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const generateDeploymentWithOriginDotSh = `#!/bin/sh
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cat <<EOF
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: nginx
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labels:
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app: nginx
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annotations:
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tshirt-size: small # this injects the resource reservations
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config.kubernetes.io/origin: |
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path: somefile.yaml
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spec:
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selector:
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matchLabels:
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app: nginx
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- name: nginx
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image: nginx
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EOF
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`
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func TestAnnoTransformerBuiltinLocal(t *testing.T) {
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th := kusttest_test.MakeHarness(t)
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th.WriteF("service.yaml", `
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apiVersion: v1
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kind: Service
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metadata:
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name: myService
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spec:
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ports:
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- port: 7002
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`)
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th.WriteK(".", `
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resources:
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- service.yaml
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buildMetadata: [transformerAnnotations]
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namePrefix: foo-
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`)
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options := th.MakeDefaultOptions()
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m := th.Run(".", options)
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th.AssertActualEqualsExpected(m, `
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apiVersion: v1
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kind: Service
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: foo-myService
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spec:
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ports:
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- port: 7002
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`)
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}
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func TestAnnoOriginAndTransformerBuiltinLocal(t *testing.T) {
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th := kusttest_test.MakeHarness(t)
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th.WriteF("service.yaml", `
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apiVersion: v1
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kind: Service
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metadata:
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name: myService
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spec:
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ports:
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- port: 7002
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`)
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th.WriteK(".", `
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resources:
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- service.yaml
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buildMetadata: [originAnnotations, transformerAnnotations]
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namePrefix: foo-
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`)
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options := th.MakeDefaultOptions()
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m := th.Run(".", options)
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th.AssertActualEqualsExpected(m, `
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apiVersion: v1
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kind: Service
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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config.kubernetes.io/origin: |
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path: service.yaml
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name: foo-myService
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spec:
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ports:
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- port: 7002
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`)
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}
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func TestAnnoTransformerLocalFilesWithOverlay(t *testing.T) {
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th := kusttest_test.MakeHarness(t)
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th.WriteK("base", `
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namePrefix: b-
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resources:
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- namespace.yaml
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- role.yaml
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- service.yaml
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- deployment.yaml
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`)
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th.WriteF("base/service.yaml", `
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apiVersion: v1
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kind: Service
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metadata:
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name: myService
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`)
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th.WriteF("base/namespace.yaml", `
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apiVersion: v1
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kind: Namespace
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metadata:
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name: myNs
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`)
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th.WriteF("base/role.yaml", `
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apiVersion: v1
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kind: Role
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metadata:
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name: myRole
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`)
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th.WriteF("base/deployment.yaml", `
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apiVersion: v1
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kind: Deployment
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metadata:
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name: myDep
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`)
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th.WriteK("prod", `
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namePrefix: p-
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resources:
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- ../base
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- service.yaml
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- namespace.yaml
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buildMetadata: [transformerAnnotations]
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`)
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th.WriteF("prod/service.yaml", `
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apiVersion: v1
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kind: Service
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metadata:
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name: myService2
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`)
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th.WriteF("prod/namespace.yaml", `
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apiVersion: v1
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kind: Namespace
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metadata:
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name: myNs2
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`)
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m := th.Run("prod", th.MakeDefaultOptions())
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th.AssertActualEqualsExpected(m, `
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apiVersion: v1
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kind: Namespace
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: ../base/kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: myNs
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---
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apiVersion: v1
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kind: Role
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: ../base/kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: p-b-myRole
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---
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apiVersion: v1
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kind: Service
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: ../base/kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: p-b-myService
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---
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apiVersion: v1
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kind: Deployment
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: ../base/kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: p-b-myDep
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---
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apiVersion: v1
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kind: Service
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: p-myService2
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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name: myNs2
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`)
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}
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func TestAnnoOriginRemoteBuiltinTransformer(t *testing.T) {
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fSys := filesys.MakeFsOnDisk()
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b := krusty.MakeKustomizer(krusty.MakeDefaultOptions())
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tmpDir, err := filesys.NewTmpConfirmedDir()
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assert.NoError(t, err)
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assert.NoError(t, fSys.WriteFile(filepath.Join(tmpDir.String(), "kustomization.yaml"), []byte(`
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resources:
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- github.com/kubernetes-sigs/kustomize/examples/multibases/production/?ref=v1.0.6
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buildMetadata: [transformerAnnotations]
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`)))
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m, err := b.Run(
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fSys,
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tmpDir.String())
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if utils.IsErrTimeout(err) {
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// Don't fail on timeouts.
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t.SkipNow()
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}
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if !assert.NoError(t, err) {
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t.FailNow()
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}
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yml, err := m.AsYaml()
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assert.NoError(t, err)
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assert.Equal(t, `apiVersion: v1
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kind: Pod
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- repo: https://github.com/kubernetes-sigs/kustomize
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ref: v1.0.6
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configuredIn: examples/multibases/production/kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: PrefixTransformer
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labels:
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app: myapp
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name: prod-myapp-pod
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spec:
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containers:
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- image: nginx:1.7.9
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name: nginx
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`, string(yml))
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assert.NoError(t, fSys.RemoveAll(tmpDir.String()))
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}
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func TestAnnoTransformerBuiltinInline(t *testing.T) {
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th := kusttest_test.MakeEnhancedHarness(t)
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defer th.Reset()
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th.WriteF("resource.yaml", `
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apiVersion: apps/v1
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kind: ConfigMap
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metadata:
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name: whatever
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data: {}
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`)
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th.WriteK(".", `
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resources:
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- resource.yaml
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transformers:
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- |-
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apiVersion: builtin
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kind: NamespaceTransformer
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metadata:
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name: not-important-to-example
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namespace: test
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fieldSpecs:
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- path: metadata/namespace
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create: true
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buildMetadata: [transformerAnnotations]
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`)
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expected := `
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apiVersion: apps/v1
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data: {}
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kind: ConfigMap
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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apiVersion: builtin
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kind: NamespaceTransformer
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name: not-important-to-example
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namespace: test
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name: whatever
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namespace: test
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`
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m := th.Run(".", th.MakeDefaultOptions())
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th.AssertActualEqualsExpected(m, expected)
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}
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func TestAnnoOriginCustomInlineTransformer(t *testing.T) {
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fSys := filesys.MakeFsOnDisk()
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th := kusttest_test.MakeHarnessWithFs(t, fSys)
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o := th.MakeOptionsPluginsEnabled()
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o.PluginConfig.FnpLoadingOptions.EnableExec = true
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tmpDir, err := filesys.NewTmpConfirmedDir()
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assert.NoError(t, err)
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th.WriteK(tmpDir.String(), `
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transformers:
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- |-
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kind: executable
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metadata:
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name: demo
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annotations:
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config.kubernetes.io/function: |
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exec:
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path: ./generateDeployment.sh
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spec:
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buildMetadata: [transformerAnnotations]
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`)
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// generateDeploymentWithOriginDotSh creates a resource that already has an origin annotation,
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// which will cause kustomize to record the plugin origin data as a transformation
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th.WriteF(filepath.Join(tmpDir.String(), "generateDeployment.sh"), generateDeploymentWithOriginDotSh)
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assert.NoError(t, os.Chmod(filepath.Join(tmpDir.String(), "generateDeployment.sh"), 0777))
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th.WriteF(filepath.Join(tmpDir.String(), "gener.yaml"), `
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kind: executable
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metadata:
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name: demo
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annotations:
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config.kubernetes.io/function: |
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exec:
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path: ./generateDeployment.sh
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spec:
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`)
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m := th.Run(tmpDir.String(), o)
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assert.NoError(t, err)
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yml, err := m.AsYaml()
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assert.NoError(t, err)
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assert.Equal(t, `apiVersion: apps/v1
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kind: Deployment
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: kustomization.yaml
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configuredBy:
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kind: executable
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name: demo
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tshirt-size: small
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labels:
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app: nginx
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name: nginx
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spec:
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selector:
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matchLabels:
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app: nginx
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- image: nginx
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name: nginx
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`, string(yml))
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assert.NoError(t, fSys.RemoveAll(tmpDir.String()))
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}
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func TestAnnoOriginCustomExecTransformerWithOverlay(t *testing.T) {
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fSys := filesys.MakeFsOnDisk()
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th := kusttest_test.MakeHarnessWithFs(t, fSys)
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o := th.MakeOptionsPluginsEnabled()
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o.PluginConfig.FnpLoadingOptions.EnableExec = true
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tmpDir, err := filesys.NewTmpConfirmedDir()
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assert.NoError(t, err)
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base := filepath.Join(tmpDir.String(), "base")
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prod := filepath.Join(tmpDir.String(), "prod")
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assert.NoError(t, fSys.Mkdir(base))
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assert.NoError(t, fSys.Mkdir(prod))
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th.WriteK(base, `
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transformers:
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- gener.yaml
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`)
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th.WriteK(prod, `
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resources:
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- ../base
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buildMetadata: [transformerAnnotations]
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`)
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th.WriteF(filepath.Join(base, "gener.yaml"), `
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kind: executable
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metadata:
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name: demo
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annotations:
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config.kubernetes.io/function: |
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exec:
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path: ./generateDeployment.sh
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spec:
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`)
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// generateDeploymentWithOriginDotSh creates a resource that already has an origin annotation,
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// which will cause kustomize to record the plugin origin data as a transformation
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th.WriteF(filepath.Join(base, "generateDeployment.sh"), generateDeploymentWithOriginDotSh)
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assert.NoError(t, os.Chmod(filepath.Join(base, "generateDeployment.sh"), 0777))
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m := th.Run(prod, o)
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assert.NoError(t, err)
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yml, err := m.AsYaml()
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assert.NoError(t, err)
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assert.Equal(t, `apiVersion: apps/v1
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kind: Deployment
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metadata:
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annotations:
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alpha.config.kubernetes.io/transformations: |
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- configuredIn: ../base/gener.yaml
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configuredBy:
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kind: executable
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name: demo
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tshirt-size: small
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labels:
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app: nginx
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name: nginx
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spec:
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selector:
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matchLabels:
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app: nginx
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template:
|
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- image: nginx
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name: nginx
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`, string(yml))
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assert.NoError(t, fSys.RemoveAll(tmpDir.String()))
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}
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