mirror of https://github.com/k3s-io/k3s
267 lines
6.2 KiB
Go
267 lines
6.2 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package images
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import (
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"fmt"
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"strings"
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"testing"
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kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
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"k8s.io/kubernetes/cmd/kubeadm/app/constants"
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)
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const (
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testversion = "v10.1.2-alpha.1.100+0123456789abcdef+SOMETHING"
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expected = "v10.1.2-alpha.1.100_0123456789abcdef_SOMETHING"
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gcrPrefix = "k8s.gcr.io"
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)
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func TestGetGenericImage(t *testing.T) {
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const (
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prefix = "foo"
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image = "bar"
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tag = "baz"
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)
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expected := fmt.Sprintf("%s/%s:%s", prefix, image, tag)
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actual := GetGenericImage(prefix, image, tag)
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if actual != expected {
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t.Errorf("failed GetGenericImage:\n\texpected: %s\n\t actual: %s", expected, actual)
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}
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}
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func TestGetKubernetesImage(t *testing.T) {
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var tests = []struct {
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image string
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expected string
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cfg *kubeadmapi.ClusterConfiguration
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}{
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{
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expected: GetGenericImage(gcrPrefix, constants.HyperKube, expected),
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: gcrPrefix,
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KubernetesVersion: testversion,
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UseHyperKubeImage: true,
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},
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},
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{
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image: constants.KubeAPIServer,
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expected: GetGenericImage(gcrPrefix, "kube-apiserver", expected),
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: gcrPrefix,
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KubernetesVersion: testversion,
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},
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},
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{
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image: constants.KubeControllerManager,
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expected: GetGenericImage(gcrPrefix, "kube-controller-manager", expected),
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: gcrPrefix,
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KubernetesVersion: testversion,
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},
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},
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{
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image: constants.KubeScheduler,
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expected: GetGenericImage(gcrPrefix, "kube-scheduler", expected),
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: gcrPrefix,
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KubernetesVersion: testversion,
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},
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},
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}
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for _, rt := range tests {
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actual := GetKubernetesImage(rt.image, rt.cfg)
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if actual != rt.expected {
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t.Errorf(
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"failed GetKubernetesImage:\n\texpected: %s\n\t actual: %s",
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rt.expected,
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actual,
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)
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}
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}
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}
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func TestGetEtcdImage(t *testing.T) {
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var tests = []struct {
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expected string
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cfg *kubeadmapi.ClusterConfiguration
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}{
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{
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: "real.repo",
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KubernetesVersion: "1.12.0",
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Etcd: kubeadmapi.Etcd{
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Local: &kubeadmapi.LocalEtcd{},
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},
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},
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expected: "real.repo/etcd:3.2.24",
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},
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{
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: "real.repo",
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KubernetesVersion: "1.12.0",
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Etcd: kubeadmapi.Etcd{
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Local: &kubeadmapi.LocalEtcd{
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ImageMeta: kubeadmapi.ImageMeta{
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ImageTag: "override",
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},
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},
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},
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},
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expected: "real.repo/etcd:override",
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},
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{
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: "real.repo",
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KubernetesVersion: "1.12.0",
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Etcd: kubeadmapi.Etcd{
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Local: &kubeadmapi.LocalEtcd{
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ImageMeta: kubeadmapi.ImageMeta{
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ImageRepository: "override",
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},
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},
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},
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},
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expected: "override/etcd:3.2.24",
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},
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{
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expected: GetGenericImage(gcrPrefix, "etcd", constants.DefaultEtcdVersion),
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: gcrPrefix,
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KubernetesVersion: testversion,
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},
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},
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}
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for _, rt := range tests {
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actual := GetEtcdImage(rt.cfg)
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if actual != rt.expected {
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t.Errorf(
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"failed GetEtcdImage:\n\texpected: %s\n\t actual: %s",
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rt.expected,
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actual,
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)
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}
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}
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}
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func TestGetPauseImage(t *testing.T) {
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testcases := []struct {
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name string
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cfg *kubeadmapi.ClusterConfiguration
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expected string
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}{
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{
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name: "pause image defined",
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: "test.repo",
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},
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expected: "test.repo/pause:" + constants.PauseVersion,
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},
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}
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for _, tc := range testcases {
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t.Run(tc.name, func(t *testing.T) {
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actual := GetPauseImage(tc.cfg)
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if actual != tc.expected {
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t.Fatalf(
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"failed GetPauseImage:\n\texpected: %s\n\t actual: %s",
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tc.expected,
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actual,
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)
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}
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})
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}
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}
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func TestGetAllImages(t *testing.T) {
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testcases := []struct {
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name string
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expect string
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cfg *kubeadmapi.ClusterConfiguration
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}{
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{
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name: "defined CIImageRepository",
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cfg: &kubeadmapi.ClusterConfiguration{
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CIImageRepository: "test.repo",
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},
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expect: "test.repo",
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},
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{
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name: "undefined CIImagerRepository should contain the default image prefix",
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cfg: &kubeadmapi.ClusterConfiguration{
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ImageRepository: "real.repo",
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},
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expect: "real.repo",
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},
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{
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name: "test that etcd is returned when it is not external",
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cfg: &kubeadmapi.ClusterConfiguration{
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Etcd: kubeadmapi.Etcd{
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Local: &kubeadmapi.LocalEtcd{},
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},
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},
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expect: constants.Etcd,
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},
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{
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name: "CoreDNS image is returned",
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cfg: &kubeadmapi.ClusterConfiguration{
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DNS: kubeadmapi.DNS{
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Type: kubeadmapi.CoreDNS,
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},
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},
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expect: constants.CoreDNSImageName,
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},
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{
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name: "main kube-dns image is returned",
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cfg: &kubeadmapi.ClusterConfiguration{
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DNS: kubeadmapi.DNS{
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Type: kubeadmapi.KubeDNS,
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},
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},
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expect: constants.KubeDNSKubeDNSImageName,
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},
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{
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name: "kube-dns sidecar image is returned",
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cfg: &kubeadmapi.ClusterConfiguration{
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DNS: kubeadmapi.DNS{
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Type: kubeadmapi.KubeDNS,
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},
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},
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expect: constants.KubeDNSSidecarImageName,
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},
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{
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name: "kube-dns dnsmasq-nanny image is returned",
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cfg: &kubeadmapi.ClusterConfiguration{
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DNS: kubeadmapi.DNS{
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Type: kubeadmapi.KubeDNS,
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},
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},
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expect: constants.KubeDNSDnsMasqNannyImageName,
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},
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}
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for _, tc := range testcases {
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t.Run(tc.name, func(t *testing.T) {
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imgs := GetAllImages(tc.cfg)
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for _, img := range imgs {
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if strings.Contains(img, tc.expect) {
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return
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}
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}
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t.Fatalf("did not find %q in %q", tc.expect, imgs)
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})
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}
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}
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