constants_test.go 7.5 KB

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  1. /*
  2. Copyright 2017 The Kubernetes Authors.
  3. Licensed under the Apache License, Version 2.0 (the "License");
  4. you may not use this file except in compliance with the License.
  5. You may obtain a copy of the License at
  6. http://www.apache.org/licenses/LICENSE-2.0
  7. Unless required by applicable law or agreed to in writing, software
  8. distributed under the License is distributed on an "AS IS" BASIS,
  9. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10. See the License for the specific language governing permissions and
  11. limitations under the License.
  12. */
  13. package constants
  14. import (
  15. "path/filepath"
  16. "testing"
  17. "k8s.io/apimachinery/pkg/util/version"
  18. kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
  19. )
  20. func TestGetStaticPodDirectory(t *testing.T) {
  21. expected := "/etc/kubernetes/manifests"
  22. actual := GetStaticPodDirectory()
  23. if actual != expected {
  24. t.Errorf(
  25. "failed GetStaticPodDirectory:\n\texpected: %s\n\t actual: %s",
  26. expected,
  27. actual,
  28. )
  29. }
  30. }
  31. func TestGetAdminKubeConfigPath(t *testing.T) {
  32. expected := filepath.Join(KubernetesDir, AdminKubeConfigFileName)
  33. actual := GetAdminKubeConfigPath()
  34. if actual != expected {
  35. t.Errorf(
  36. "failed GetAdminKubeConfigPath:\n\texpected: %s\n\t actual: %s",
  37. expected,
  38. actual,
  39. )
  40. }
  41. }
  42. func TestGetBootstrapKubeletKubeConfigPath(t *testing.T) {
  43. expected := "/etc/kubernetes/bootstrap-kubelet.conf"
  44. actual := GetBootstrapKubeletKubeConfigPath()
  45. if actual != expected {
  46. t.Errorf(
  47. "failed GetBootstrapKubeletKubeConfigPath:\n\texpected: %s\n\t actual: %s",
  48. expected,
  49. actual,
  50. )
  51. }
  52. }
  53. func TestGetKubeletKubeConfigPath(t *testing.T) {
  54. expected := "/etc/kubernetes/kubelet.conf"
  55. actual := GetKubeletKubeConfigPath()
  56. if actual != expected {
  57. t.Errorf(
  58. "failed GetKubeletKubeConfigPath:\n\texpected: %s\n\t actual: %s",
  59. expected,
  60. actual,
  61. )
  62. }
  63. }
  64. func TestGetStaticPodFilepath(t *testing.T) {
  65. var tests = []struct {
  66. componentName, manifestsDir, expected string
  67. }{
  68. {
  69. componentName: "kube-apiserver",
  70. manifestsDir: "/etc/kubernetes/manifests",
  71. expected: "/etc/kubernetes/manifests/kube-apiserver.yaml",
  72. },
  73. {
  74. componentName: "kube-controller-manager",
  75. manifestsDir: "/etc/kubernetes/manifests/",
  76. expected: "/etc/kubernetes/manifests/kube-controller-manager.yaml",
  77. },
  78. {
  79. componentName: "foo",
  80. manifestsDir: "/etc/bar/",
  81. expected: "/etc/bar/foo.yaml",
  82. },
  83. }
  84. for _, rt := range tests {
  85. t.Run(rt.componentName, func(t *testing.T) {
  86. actual := GetStaticPodFilepath(rt.componentName, rt.manifestsDir)
  87. if actual != rt.expected {
  88. t.Errorf(
  89. "failed GetStaticPodFilepath:\n\texpected: %s\n\t actual: %s",
  90. rt.expected,
  91. actual,
  92. )
  93. }
  94. })
  95. }
  96. }
  97. func TestAddSelfHostedPrefix(t *testing.T) {
  98. var tests = []struct {
  99. componentName, expected string
  100. }{
  101. {
  102. componentName: "kube-apiserver",
  103. expected: "self-hosted-kube-apiserver",
  104. },
  105. {
  106. componentName: "kube-controller-manager",
  107. expected: "self-hosted-kube-controller-manager",
  108. },
  109. {
  110. componentName: "kube-scheduler",
  111. expected: "self-hosted-kube-scheduler",
  112. },
  113. {
  114. componentName: "foo",
  115. expected: "self-hosted-foo",
  116. },
  117. }
  118. for _, rt := range tests {
  119. t.Run(rt.componentName, func(t *testing.T) {
  120. actual := AddSelfHostedPrefix(rt.componentName)
  121. if actual != rt.expected {
  122. t.Errorf(
  123. "failed AddSelfHostedPrefix:\n\texpected: %s\n\t actual: %s",
  124. rt.expected,
  125. actual,
  126. )
  127. }
  128. })
  129. }
  130. }
  131. func TestEtcdSupportedVersion(t *testing.T) {
  132. var supportedEtcdVersion = map[uint8]string{
  133. 13: "3.2.24",
  134. 14: "3.3.10",
  135. 15: "3.3.10",
  136. 16: "3.3.17-0",
  137. 17: "3.4.3-0",
  138. 18: "3.4.3-0",
  139. }
  140. var tests = []struct {
  141. kubernetesVersion string
  142. expectedVersion *version.Version
  143. expectedWarning bool
  144. expectedError bool
  145. }{
  146. {
  147. kubernetesVersion: "1.x.1",
  148. expectedVersion: nil,
  149. expectedWarning: false,
  150. expectedError: true,
  151. },
  152. {
  153. kubernetesVersion: "1.10.1",
  154. expectedVersion: version.MustParseSemantic("3.2.24"),
  155. expectedWarning: true,
  156. expectedError: false,
  157. },
  158. {
  159. kubernetesVersion: "1.99.0",
  160. expectedVersion: version.MustParseSemantic("3.4.3-0"),
  161. expectedWarning: true,
  162. expectedError: false,
  163. },
  164. {
  165. kubernetesVersion: "v1.16.0",
  166. expectedVersion: version.MustParseSemantic("3.3.17-0"),
  167. expectedWarning: false,
  168. expectedError: false,
  169. },
  170. {
  171. kubernetesVersion: "1.17.2",
  172. expectedVersion: version.MustParseSemantic("3.4.3-0"),
  173. expectedWarning: false,
  174. expectedError: false,
  175. },
  176. }
  177. for _, rt := range tests {
  178. t.Run(rt.kubernetesVersion, func(t *testing.T) {
  179. actualVersion, actualWarning, actualError := EtcdSupportedVersion(supportedEtcdVersion, rt.kubernetesVersion)
  180. if (actualError != nil) != rt.expectedError {
  181. t.Fatalf("expected error %v, got %v", rt.expectedError, actualError != nil)
  182. }
  183. if (actualWarning != nil) != rt.expectedWarning {
  184. t.Fatalf("expected warning %v, got %v", rt.expectedWarning, actualWarning != nil)
  185. }
  186. if actualError == nil && actualVersion.String() != rt.expectedVersion.String() {
  187. t.Errorf("expected version %s, got %s", rt.expectedVersion.String(), actualVersion.String())
  188. }
  189. })
  190. }
  191. }
  192. func TestGetKubeDNSVersion(t *testing.T) {
  193. var tests = []struct {
  194. dns kubeadmapi.DNSAddOnType
  195. expected string
  196. }{
  197. {
  198. dns: kubeadmapi.KubeDNS,
  199. expected: KubeDNSVersion,
  200. },
  201. {
  202. dns: kubeadmapi.CoreDNS,
  203. expected: CoreDNSVersion,
  204. },
  205. }
  206. for _, rt := range tests {
  207. t.Run(string(rt.dns), func(t *testing.T) {
  208. actualDNSVersion := GetDNSVersion(rt.dns)
  209. if actualDNSVersion != rt.expected {
  210. t.Errorf(
  211. "failed GetDNSVersion:\n\texpected: %s\n\t actual: %s",
  212. rt.expected,
  213. actualDNSVersion,
  214. )
  215. }
  216. })
  217. }
  218. }
  219. func TestGetKubernetesServiceCIDR(t *testing.T) {
  220. var tests = []struct {
  221. svcSubnetList string
  222. isDualStack bool
  223. expected string
  224. expectedError bool
  225. name string
  226. }{
  227. {
  228. svcSubnetList: "192.168.10.0/24",
  229. isDualStack: false,
  230. expected: "192.168.10.0/24",
  231. expectedError: false,
  232. name: "valid: valid IPv4 range from single-stack",
  233. },
  234. {
  235. svcSubnetList: "fd03::/112",
  236. isDualStack: false,
  237. expected: "fd03::/112",
  238. expectedError: false,
  239. name: "valid: valid IPv6 range from single-stack",
  240. },
  241. {
  242. svcSubnetList: "192.168.10.0/24,fd03::/112",
  243. isDualStack: true,
  244. expected: "192.168.10.0/24",
  245. expectedError: false,
  246. name: "valid: valid <IPv4,IPv6> ranges from dual-stack",
  247. },
  248. {
  249. svcSubnetList: "fd03::/112,192.168.10.0/24",
  250. isDualStack: true,
  251. expected: "fd03::/112",
  252. expectedError: false,
  253. name: "valid: valid <IPv6,IPv4> ranges from dual-stack",
  254. },
  255. {
  256. svcSubnetList: "192.168.10.0/24,fd03:x::/112",
  257. isDualStack: true,
  258. expected: "",
  259. expectedError: true,
  260. name: "invalid: failed to parse subnet range for dual-stack",
  261. },
  262. }
  263. for _, rt := range tests {
  264. t.Run(rt.name, func(t *testing.T) {
  265. actual, actualError := GetKubernetesServiceCIDR(rt.svcSubnetList, rt.isDualStack)
  266. if rt.expectedError {
  267. if actualError == nil {
  268. t.Errorf("failed GetKubernetesServiceCIDR:\n\texpected error, but got no error")
  269. }
  270. } else if !rt.expectedError && actualError != nil {
  271. t.Errorf("failed GetKubernetesServiceCIDR:\n\texpected no error, but got: %v", actualError)
  272. } else {
  273. if actual.String() != rt.expected {
  274. t.Errorf(
  275. "failed GetKubernetesServiceCIDR:\n\texpected: %s\n\t actual: %s",
  276. rt.expected,
  277. actual.String(),
  278. )
  279. }
  280. }
  281. })
  282. }
  283. }