034efc3682
Data structure representing plugin configurations should be a part of airshipctl API module. Plugin implementations will reside in document package. Change-Id: Id2e359b747a16a5573052cfb05c1148d346db508 Relates-To: #322
1031 lines
18 KiB
Go
1031 lines
18 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package replacement_test
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import (
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"bytes"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"sigs.k8s.io/yaml"
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"opendev.org/airship/airshipctl/pkg/document/plugin/replacement"
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plugtypes "opendev.org/airship/airshipctl/pkg/document/plugin/types"
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)
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func samplePlugin(t *testing.T) plugtypes.Plugin {
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cfg := make(map[string]interface{})
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conf := `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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value: nginx:newtag
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[name=nginx-latest].image`
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err := yaml.Unmarshal([]byte(conf), &cfg)
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require.NoError(t, err)
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plugin, err := replacement.New(cfg)
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require.NoError(t, err)
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return plugin
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}
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func TestMalformedInput(t *testing.T) {
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plugin := samplePlugin(t)
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err := plugin.Run(strings.NewReader("--"), &bytes.Buffer{})
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assert.Error(t, err)
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}
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func TestDuplicatedResources(t *testing.T) {
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plugin := samplePlugin(t)
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err := plugin.Run(strings.NewReader(`
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod
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spec:
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containers:
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- name: myapp-container
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image: busybox
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---
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod
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spec:
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containers:
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- name: myapp-container
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image: busybox
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`), &bytes.Buffer{})
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assert.Error(t, err)
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}
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func TestReplacementTransformer(t *testing.T) {
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testCases := []struct {
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cfg string
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in string
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expectedOut string
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expectedErr string
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}{
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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value: nginx:newtag
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[name=nginx.latest].image
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- source:
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value: postgres:latest
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers.3.image
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`,
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in: `
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group: apps
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apiVersion: v1
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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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-tagged
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- image: nginx:latest
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name: nginx.latest
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- image: foobar:1
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name: replaced-with-digest
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- image: postgres:1.8.0
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name: postgresdb
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initContainers:
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- image: nginx
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name: nginx-notag
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- image: nginx@sha256:111111111111111111
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name: nginx-sha256
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- image: alpine:1.8.0
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name: init-alpine
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`,
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expectedOut: `apiVersion: v1
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group: apps
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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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-tagged
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- image: nginx:newtag
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name: nginx.latest
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- image: foobar:1
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name: replaced-with-digest
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- image: postgres:latest
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name: postgresdb
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initContainers:
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- image: nginx
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name: nginx-notag
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- image: nginx@sha256:111111111111111111
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name: nginx-sha256
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- image: alpine:1.8.0
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name: init-alpine
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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value: 1.17.0
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[name=nginx-tagged].image%1.7.9%
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`,
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in: `
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group: apps
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apiVersion: v1
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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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-tagged
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`,
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expectedOut: `apiVersion: v1
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group: apps
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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spec:
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containers:
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- image: nginx:1.17.0
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name: nginx-tagged
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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objref:
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kind: Pod
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name: pod
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fieldref: spec.containers
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers`,
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in: `
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod
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spec:
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containers:
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- name: myapp-container
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image: busybox
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: deploy2
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: deploy3
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`,
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expectedOut: `apiVersion: v1
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kind: Pod
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metadata:
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name: pod
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spec:
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containers:
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- image: busybox
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name: myapp-container
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: deploy2
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spec:
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template:
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spec:
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containers:
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- image: busybox
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name: myapp-container
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: deploy3
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spec:
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template:
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spec:
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containers:
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- image: busybox
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name: myapp-container
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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objref:
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kind: ConfigMap
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name: cm
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fieldref: data.HOSTNAME
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[image=debian].args.0
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- spec.template.spec.containers[name=busybox].args.1
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- source:
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objref:
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kind: ConfigMap
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name: cm
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fieldref: data.PORT
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[image=debian].args.1
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- spec.template.spec.containers[name=busybox].args.2`,
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in: `
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: deploy
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labels:
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foo: bar
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spec:
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template:
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metadata:
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labels:
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foo: bar
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spec:
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containers:
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- name: command-demo-container
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image: debian
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command: ["printenv"]
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args:
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- HOSTNAME
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- PORT
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- name: busybox
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image: busybox:latest
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args:
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- echo
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- HOSTNAME
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- PORT
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cm
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data:
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HOSTNAME: example.com
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PORT: 8080`,
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expectedOut: `apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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foo: bar
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name: deploy
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spec:
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template:
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metadata:
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labels:
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foo: bar
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spec:
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containers:
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- args:
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- example.com
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- 8080
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command:
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- printenv
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image: debian
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name: command-demo-container
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- args:
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- echo
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- example.com
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- 8080
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image: busybox:latest
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name: busybox
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---
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apiVersion: v1
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data:
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HOSTNAME: example.com
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PORT: 8080
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kind: ConfigMap
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metadata:
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name: cm
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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value: regexedtag
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers[name=nginx-latest].image%TAG%
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- source:
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value: postgres:latest
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target:
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objref:
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kind: Deployment
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fieldrefs:
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- spec.template.spec.containers.3.image`,
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in: `
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group: apps
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apiVersion: v1
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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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-tagged
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- image: nginx:TAG
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name: nginx-latest
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- image: foobar:1
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name: replaced-with-digest
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- image: postgres:1.8.0
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name: postgresdb
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initContainers:
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- image: nginx
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name: nginx-notag
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- image: nginx@sha256:111111111111111111
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name: nginx-sha256
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- image: alpine:1.8.0
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name: init-alpine`,
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expectedOut: `apiVersion: v1
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group: apps
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kind: Deployment
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metadata:
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name: deploy1
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spec:
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template:
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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-tagged
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- image: nginx:regexedtag
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name: nginx-latest
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- image: foobar:1
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name: replaced-with-digest
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- image: postgres:latest
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name: postgresdb
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initContainers:
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- image: nginx
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name: nginx-notag
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- image: nginx@sha256:111111111111111111
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name: nginx-sha256
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- image: alpine:1.8.0
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name: init-alpine
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
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kind: ReplacementTransformer
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metadata:
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name: notImportantHere
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replacements:
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- source:
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objref:
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kind: Pod
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name: pod1
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target:
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objref:
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kind: Pod
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name: pod2
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fieldrefs:
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- spec.non.existent.field`,
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in: `
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod1
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spec:
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containers:
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- name: myapp-container
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image: busybox
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---
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod2
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spec:
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containers:
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- name: myapp-container
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image: busybox`,
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expectedOut: `apiVersion: v1
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kind: Pod
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metadata:
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name: pod1
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spec:
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containers:
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- image: busybox
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name: myapp-container
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---
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apiVersion: v1
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kind: Pod
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metadata:
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name: pod2
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spec:
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containers:
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- image: busybox
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name: myapp-container
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non:
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existent:
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field: pod1
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`,
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},
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{
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cfg: `
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apiVersion: airshipit.org/v1alpha1
|
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kind: ReplacementTransformer
|
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metadata:
|
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name: notImportantHere
|
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replacements:
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- source:
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objref:
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kind: Pod
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name: pod
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fieldref: spec.containers[0]
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target:
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objref:
|
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kind: Deployment
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fieldrefs:
|
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- spec.template.spec.containers[name=myapp-container]`,
|
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in: `
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apiVersion: v1
|
|
kind: Pod
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metadata:
|
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name: pod
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|
spec:
|
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containers:
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- name: repl
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image: repl
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---
|
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apiVersion: apps/v1
|
|
kind: Deployment
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metadata:
|
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name: deploy2
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|
spec:
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template:
|
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spec:
|
|
containers:
|
|
- image: busybox
|
|
name: myapp-container
|
|
`,
|
|
expectedOut: `apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod
|
|
spec:
|
|
containers:
|
|
- image: repl
|
|
name: repl
|
|
---
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: deploy2
|
|
spec:
|
|
template:
|
|
spec:
|
|
containers:
|
|
- image: repl
|
|
name: repl
|
|
`,
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: test-for-numeric-conversion
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod
|
|
fieldref: spec.containers[0].image
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers[name=myapp-container].image%TAG%`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod
|
|
spec:
|
|
containers:
|
|
- name: repl
|
|
image: 12345
|
|
---
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: deploy2
|
|
spec:
|
|
template:
|
|
spec:
|
|
containers:
|
|
- image: busybox:TAG
|
|
name: myapp-container
|
|
`,
|
|
expectedOut: `apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod
|
|
spec:
|
|
containers:
|
|
- image: 12345
|
|
name: repl
|
|
---
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: deploy2
|
|
spec:
|
|
template:
|
|
spec:
|
|
containers:
|
|
- image: busybox:12345
|
|
name: myapp-container
|
|
`,
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers[name=nginx-latest].image`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: "found more than one resources matching from " +
|
|
"[{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"name\":\"pod1\"}," +
|
|
"\"spec\":{\"containers\":[{\"image\":\"busybox\",\"name\":\"myapp-container\"" +
|
|
"}]}}{nsfx:false,beh:unspecified} {\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":" +
|
|
"{\"name\":\"pod2\"},\"spec\":{\"containers\":[{\"image\":\"busybox\",\"name\":\"myapp-container\"}]}}" +
|
|
"{nsfx:false,beh:unspecified}]",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
namespace: default
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers[name=nginx-latest].image`,
|
|
expectedErr: "failed to find any source resources identified by Kind:Pod Name:pod1 Namespace:default",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers[name=nginx-latest].image`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: "failed to find any target resources identified by Kind:Deployment",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Pod
|
|
name: pod2
|
|
fieldrefs:
|
|
- labels.somelabel.key1.subkey1`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
labels:
|
|
somelabel: 'some string value'
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: `"some string value" is not expected be a primitive type`,
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Pod
|
|
name: pod2
|
|
fieldrefs:
|
|
- labels.somelabel[subkey1=val1]`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
labels:
|
|
somelabel: 'some string value'
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: `"some string value" is not expected be a primitive type`,
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Pod
|
|
name: pod2
|
|
fieldrefs:
|
|
- spec[subkey1=val1]`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
labels:
|
|
somelabel: 'some string value'
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: "map[string]interface {}{\"containers\":[]interface " +
|
|
"{}{map[string]interface {}{\"image\":\"busybox\", \"name\":\"myapp-container\"}}} " +
|
|
"is not expected be a primitive type",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Pod
|
|
name: pod2
|
|
fieldrefs:
|
|
- spec.containers.10`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
labels:
|
|
somelabel: 'some string value'
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: "index 10 is out of bound",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Pod
|
|
name: pod2
|
|
fieldrefs:
|
|
- spec.containers.notInteger.name`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
apiVersion: v1
|
|
kind: Pod
|
|
labels:
|
|
somelabel: 'some string value'
|
|
metadata:
|
|
name: pod2
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox`,
|
|
expectedErr: `strconv.Atoi: parsing "notInteger": invalid syntax`,
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers%TAG%`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
group: apps
|
|
apiVersion: v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: deploy1
|
|
spec:
|
|
template:
|
|
spec:
|
|
containers:
|
|
- image: nginx:TAG
|
|
name: nginx-latest`,
|
|
expectedErr: "pattern-based substitution can only be applied to string target fields",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
objref:
|
|
kind: Pod
|
|
name: pod1
|
|
target:
|
|
objref:
|
|
kind: Deployment
|
|
fieldrefs:
|
|
- spec.template.spec.containers[name=nginx-latest].image%TAG%`,
|
|
in: `
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod1
|
|
spec:
|
|
containers:
|
|
- name: myapp-container
|
|
image: busybox
|
|
---
|
|
group: apps
|
|
apiVersion: v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: deploy1
|
|
spec:
|
|
template:
|
|
spec:
|
|
containers:
|
|
- image: nginx:latest
|
|
name: nginx-latest`,
|
|
expectedErr: "pattern 'TAG' is defined in configuration but was not found in target value nginx:latest",
|
|
},
|
|
{
|
|
cfg: `
|
|
apiVersion: airshipit.org/v1alpha1
|
|
kind: ReplacementTransformer
|
|
metadata:
|
|
name: notImportantHere
|
|
replacements:
|
|
- source:
|
|
value: "12345678"
|
|
target:
|
|
objref:
|
|
kind: KubeadmControlPlane
|
|
fieldrefs:
|
|
- spec.kubeadmConfigSpec.files[path=konfigadm].content%{k8s-version}%
|
|
`,
|
|
|
|
in: `
|
|
kind: KubeadmControlPlane
|
|
metadata:
|
|
name: cluster-controlplane
|
|
spec:
|
|
infrastructureTemplate:
|
|
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
|
|
kind: Metal3MachineTemplate
|
|
name: $(cluster-name)
|
|
kubeadmConfigSpec:
|
|
files:
|
|
- content: |
|
|
kubernetes:
|
|
version: {k8s-version}
|
|
container_runtime:
|
|
type: docker
|
|
owner: root:root
|
|
path: konfigadm_bug_
|
|
permissions: "0640"
|
|
`,
|
|
expectedErr: "unable to find map key 'path' with the value 'konfigadm' in list under 'files' key",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
cfg := make(map[string]interface{})
|
|
err := yaml.Unmarshal([]byte(tc.cfg), &cfg)
|
|
require.NoError(t, err)
|
|
plugin, err := replacement.New(cfg)
|
|
require.NoError(t, err)
|
|
|
|
buf := &bytes.Buffer{}
|
|
err = plugin.Run(strings.NewReader(tc.in), buf)
|
|
errString := ""
|
|
if err != nil {
|
|
errString = err.Error()
|
|
}
|
|
assert.Equal(t, tc.expectedErr, errString)
|
|
assert.Equal(t, tc.expectedOut, buf.String())
|
|
}
|
|
}
|