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Merge pull request #118941 from neolit123/1.28-restore-test-function-for-config-migrate

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kubeadm: restore and generalize the TestMigrateOldConfig test
This commit is contained in:
Kubernetes Prow Robot
2023-07-01 03:18:48 -07:00
committed by GitHub
parent 86fec81606 0537c1da56
commit 14b08b82e4
3 changed files with 341 additions and 391 deletions
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186
cmd/kubeadm/app/cmd/config_test.go
View File

@@ -38,7 +38,6 @@ import (
outputapischeme "k8s.io/kubernetes/cmd/kubeadm/app/apis/output/scheme"
"k8s.io/kubernetes/cmd/kubeadm/app/constants"
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
"k8s.io/kubernetes/cmd/kubeadm/app/util/output"
utilruntime "k8s.io/kubernetes/cmd/kubeadm/app/util/runtime"
)
@@ -52,44 +51,6 @@ var (
// kubeadm lookup dl.k8s.io to resolve what the latest stable release is
dummyKubernetesVersion = constants.MinimumControlPlaneVersion
dummyKubernetesVersionStr = dummyKubernetesVersion.String()
// predefined configuration contents for migration and validation
cfgInvalidSubdomain = []byte(dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
nodeRegistration:
criSocket: %s
name: foo bar # not a valid subdomain
`, kubeadmapiv1.SchemeGroupVersion.String(), constants.UnknownCRISocket)))
cfgUnknownAPI = []byte(dedent.Dedent(fmt.Sprintf(`
apiVersion: foo/bar # not a valid GroupVersion
kind: zzz # not a valid Kind
nodeRegistration:
criSocket: %s
`, constants.UnknownCRISocket)))
cfgLegacyAPI = []byte(dedent.Dedent(fmt.Sprintf(`
apiVersion: kubeadm.k8s.io/v1beta1 # legacy API
kind: InitConfiguration
nodeRegistration:
criSocket: %s
`, constants.UnknownCRISocket)))
cfgUnknownField = []byte(dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
foo: bar
nodeRegistration:
criSocket: %s
`, kubeadmapiv1.SchemeGroupVersion.String(), constants.UnknownCRISocket)))
cfgValid = []byte(dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
nodeRegistration:
criSocket: %s
`, kubeadmapiv1.SchemeGroupVersion.String(), constants.UnknownCRISocket)))
)
func TestNewCmdConfigImagesList(t *testing.T) {
@@ -428,153 +389,6 @@ func TestImagesPull(t *testing.T) {
}
}
func TestMigrate(t *testing.T) {
cfgFileInvalidSubdomain, cleanup := tempConfig(t, cfgInvalidSubdomain)
defer cleanup()
cfgFileUnknownAPI, cleanup := tempConfig(t, cfgUnknownAPI)
defer cleanup()
cfgFileLegacyAPI, cleanup := tempConfig(t, cfgLegacyAPI)
defer cleanup()
cfgFileUnknownField, cleanup := tempConfig(t, cfgUnknownField)
defer cleanup()
cfgFileValid, cleanup := tempConfig(t, cfgValid)
defer cleanup()
testcases := []struct {
name string
cfg string
expectedError bool
}{
{
name: "invalid subdomain",
cfg: cfgFileInvalidSubdomain,
expectedError: true,
},
{
name: "unknown API GVK",
cfg: cfgFileUnknownAPI,
expectedError: true,
},
{
name: "legacy API GVK",
cfg: cfgFileLegacyAPI,
expectedError: true,
},
{
name: "unknown field",
cfg: cfgFileUnknownField,
expectedError: true,
},
{
name: "valid",
cfg: cfgFileValid,
expectedError: false,
},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
var output bytes.Buffer
command := newCmdConfigMigrate(&output)
if err := command.Flags().Set("old-config", tc.cfg); err != nil {
t.Fatalf("failed to set old-config flag")
}
newConfigPath := filepath.Join(filepath.Dir(tc.cfg), "new-migrated-config")
if err := command.Flags().Set("new-config", newConfigPath); err != nil {
t.Fatalf("failed to set new-config flag")
}
err := command.RunE(nil, nil)
if (err != nil) != tc.expectedError {
t.Fatalf("Expected error from validate command: %v, got: %v, error: %v",
tc.expectedError, err != nil, err)
}
if err != nil {
return
}
if _, err := configutil.LoadInitConfigurationFromFile(newConfigPath); err != nil {
t.Fatalf("Could not read output back into internal type: %v", err)
}
})
}
}
func TestValidate(t *testing.T) {
cfgFileInvalidSubdomain, cleanup := tempConfig(t, cfgInvalidSubdomain)
defer cleanup()
cfgFileUnknownAPI, cleanup := tempConfig(t, cfgUnknownAPI)
defer cleanup()
cfgFileLegacyAPI, cleanup := tempConfig(t, cfgLegacyAPI)
defer cleanup()
cfgFileUnknownField, cleanup := tempConfig(t, cfgUnknownField)
defer cleanup()
cfgFileValid, cleanup := tempConfig(t, cfgValid)
defer cleanup()
testcases := []struct {
name string
cfg string
expectedError bool
}{
{
name: "invalid subdomain",
cfg: cfgFileInvalidSubdomain,
expectedError: true,
},
{
name: "unknown API GVK",
cfg: cfgFileUnknownAPI,
expectedError: true,
},
{
name: "legacy API GVK",
cfg: cfgFileLegacyAPI,
expectedError: true,
},
{
name: "unknown field",
cfg: cfgFileUnknownField,
expectedError: true,
},
{
name: "valid",
cfg: cfgFileValid,
expectedError: false,
},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
var output bytes.Buffer
command := newCmdConfigValidate(&output)
if err := command.Flags().Set("config", tc.cfg); err != nil {
t.Fatalf("Failed to set config flag")
}
if err := command.RunE(nil, nil); (err != nil) != tc.expectedError {
t.Fatalf("Expected error from validate command: %v, got: %v, error: %v",
tc.expectedError, err != nil, err)
}
})
}
}
// Returns the name of the file created and a cleanup callback
func tempConfig(t *testing.T, config []byte) (string, func()) {
t.Helper()
tmpDir, err := os.MkdirTemp("", "kubeadm-migration-test")
if err != nil {
t.Fatalf("Unable to create temporary directory: %v", err)
}
configFilePath := filepath.Join(tmpDir, "test-config-file")
if err := os.WriteFile(configFilePath, config, 0644); err != nil {
os.RemoveAll(tmpDir)
t.Fatalf("Failed writing a config file: %v", err)
}
return configFilePath, func() {
os.RemoveAll(tmpDir)
}
}
func TestNewCmdConfigPrintActionDefaults(t *testing.T) {
tests := []struct {
name string

4
cmd/kubeadm/app/util/config/common.go
View File

@@ -289,8 +289,8 @@ func MigrateOldConfig(oldConfig []byte, allowExperimental bool) ([]byte, error)
// ValidateConfig takes a byte slice containing a kubeadm configuration and performs conversion
// to internal types and validation.
func ValidateConfig(oldConfig []byte, allowExperimental bool) error {
gvkmap, err := kubeadmutil.SplitYAMLDocuments(oldConfig)
func ValidateConfig(config []byte, allowExperimental bool) error {
gvkmap, err := kubeadmutil.SplitYAMLDocuments(config)
if err != nil {
return err
}

542
cmd/kubeadm/app/util/config/common_test.go
View File

@@ -21,13 +21,16 @@ import (
"reflect"
"testing"
"github.com/lithammer/dedent"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/version"
apimachineryversion "k8s.io/apimachinery/pkg/version"
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmapiv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3"
kubeadmapiv1old "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3"
kubeadmapiv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta4"
"k8s.io/kubernetes/cmd/kubeadm/app/constants"
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
)
const KubeadmGroupName = "kubeadm.k8s.io"
@@ -213,209 +216,342 @@ func TestVerifyAPIServerBindAddress(t *testing.T) {
}
}
// TODO: re-include TestMigrateOldConfigFromFile once a new API version is added after v1beta3.
// see <link-to-commit-foo> of how this unit test function
// looked before it was removed with the removal of v1beta2.
// func TestMigrateOldConfigFromFile(t *testing.T) {
// tests := []struct {
// desc string
// oldCfg string
// expectedKinds []string
// expectErr bool
// }{
// {
// desc: "empty file produces empty result",
// oldCfg: "",
// expectErr: false,
// },
// {
// desc: "bad config produces error",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectErr: true,
// },
// {
// desc: "InitConfiguration only gets migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: InitConfiguration
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "ClusterConfiguration only gets migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: ClusterConfiguration
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "JoinConfiguration only gets migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: JoinConfiguration
// discovery:
// bootstrapToken:
// token: abcdef.0123456789abcdef
// apiServerEndpoint: kube-apiserver:6443
// unsafeSkipCAVerification: true
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.JoinConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "Init + Cluster Configurations are migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: InitConfiguration
// ---
// apiVersion: %[1]s
// kind: ClusterConfiguration
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "Init + Join Configurations are migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: InitConfiguration
// ---
// apiVersion: %[1]s
// kind: JoinConfiguration
// discovery:
// bootstrapToken:
// token: abcdef.0123456789abcdef
// apiServerEndpoint: kube-apiserver:6443
// unsafeSkipCAVerification: true
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// constants.JoinConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "Cluster + Join Configurations are migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: ClusterConfiguration
// ---
// apiVersion: %[1]s
// kind: JoinConfiguration
// discovery:
// bootstrapToken:
// token: abcdef.0123456789abcdef
// apiServerEndpoint: kube-apiserver:6443
// unsafeSkipCAVerification: true
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// constants.JoinConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "Init + Cluster + Join Configurations are migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: InitConfiguration
// ---
// apiVersion: %[1]s
// kind: ClusterConfiguration
// ---
// apiVersion: %[1]s
// kind: JoinConfiguration
// discovery:
// bootstrapToken:
// token: abcdef.0123456789abcdef
// apiServerEndpoint: kube-apiserver:6443
// unsafeSkipCAVerification: true
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// constants.JoinConfigurationKind,
// },
// expectErr: false,
// },
// {
// desc: "component configs are not migrated",
// oldCfg: dedent.Dedent(fmt.Sprintf(`
// apiVersion: %s
// kind: InitConfiguration
// ---
// apiVersion: %[1]s
// kind: ClusterConfiguration
// ---
// apiVersion: %[1]s
// kind: JoinConfiguration
// discovery:
// bootstrapToken:
// token: abcdef.0123456789abcdef
// apiServerEndpoint: kube-apiserver:6443
// unsafeSkipCAVerification: true
// ---
// apiVersion: kubeproxy.config.k8s.io/v1alpha1
// kind: KubeProxyConfiguration
// ---
// apiVersion: kubelet.config.k8s.io/v1beta1
// kind: KubeletConfiguration
// `, kubeadmapiv1old.SchemeGroupVersion.String())),
// expectedKinds: []string{
// constants.InitConfigurationKind,
// constants.ClusterConfigurationKind,
// constants.JoinConfigurationKind,
// },
// expectErr: false,
// },
// }
// NOTE: do not delete this test once an older API is removed and there is only one API left.
// Update the inline "gv" and "gvExperimental" variables, to have the GroupVersion String of
// the API to be tested. If there are no experimental APIs make "gvExperimental" point to
// an non-experimental API.
func TestMigrateOldConfig(t *testing.T) {
var (
gv = kubeadmapiv1old.SchemeGroupVersion.String()
gvExperimental = kubeadmapiv1.SchemeGroupVersion.String()
)
tests := []struct {
name string
oldCfg string
expectedKinds []string
expectErr bool
allowExperimental bool
}{
{
name: "empty file produces empty result",
oldCfg: "",
expectErr: false,
},
{
name: "bad config produces error",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
`, gv)),
expectErr: true,
},
{
name: "unknown API produces error",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: Foo
`, gv)),
expectErr: true,
},
{
name: "InitConfiguration only gets migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
},
expectErr: false,
},
{
name: "ClusterConfiguration only gets migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ClusterConfiguration
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
},
expectErr: false,
},
{
name: "JoinConfiguration only gets migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: JoinConfiguration
discovery:
bootstrapToken:
token: abcdef.0123456789abcdef
apiServerEndpoint: kube-apiserver:6443
unsafeSkipCAVerification: true
`, gv)),
expectedKinds: []string{
constants.JoinConfigurationKind,
},
expectErr: false,
},
{
name: "Init + Cluster Configurations are migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
---
apiVersion: %[1]s
kind: ClusterConfiguration
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
},
expectErr: false,
},
{
name: "Init + Join Configurations are migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
---
apiVersion: %[1]s
kind: JoinConfiguration
discovery:
bootstrapToken:
token: abcdef.0123456789abcdef
apiServerEndpoint: kube-apiserver:6443
unsafeSkipCAVerification: true
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
constants.JoinConfigurationKind,
},
expectErr: false,
},
{
name: "Cluster + Join Configurations are migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ClusterConfiguration
---
apiVersion: %[1]s
kind: JoinConfiguration
discovery:
bootstrapToken:
token: abcdef.0123456789abcdef
apiServerEndpoint: kube-apiserver:6443
unsafeSkipCAVerification: true
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
constants.JoinConfigurationKind,
},
expectErr: false,
},
{
name: "Init + Cluster + Join Configurations are migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
---
apiVersion: %[1]s
kind: ClusterConfiguration
---
apiVersion: %[1]s
kind: JoinConfiguration
discovery:
bootstrapToken:
token: abcdef.0123456789abcdef
apiServerEndpoint: kube-apiserver:6443
unsafeSkipCAVerification: true
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
constants.JoinConfigurationKind,
},
expectErr: false,
},
{
name: "component configs are not migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
---
apiVersion: %[1]s
kind: ClusterConfiguration
---
apiVersion: %[1]s
kind: JoinConfiguration
discovery:
bootstrapToken:
token: abcdef.0123456789abcdef
apiServerEndpoint: kube-apiserver:6443
unsafeSkipCAVerification: true
---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
---
apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
`, gv)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
constants.JoinConfigurationKind,
},
expectErr: false,
},
{
name: "ClusterConfiguration gets migrated from experimental API",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ClusterConfiguration
`, gvExperimental)),
expectedKinds: []string{
constants.InitConfigurationKind,
constants.ClusterConfigurationKind,
},
allowExperimental: true,
expectErr: false,
},
{
name: "ClusterConfiguration from experimental API cannot be migrated",
oldCfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: ClusterConfiguration
`, gvExperimental)),
allowExperimental: false,
expectErr: true,
},
}
// for _, test := range tests {
// t.Run(test.desc, func(t *testing.T) {
// b, err := MigrateOldConfig([]byte(test.oldCfg))
// if test.expectErr {
// if err == nil {
// t.Fatalf("unexpected success:\n%s", b)
// }
// } else {
// if err != nil {
// t.Fatalf("unexpected failure: %v", err)
// }
// gvks, err := kubeadmutil.GroupVersionKindsFromBytes(b)
// if err != nil {
// t.Fatalf("unexpected error returned by GroupVersionKindsFromBytes: %v", err)
// }
// if len(gvks) != len(test.expectedKinds) {
// t.Fatalf("length mismatch between resulting gvks and expected kinds:\n\tlen(gvks)=%d\n\tlen(expectedKinds)=%d",
// len(gvks), len(test.expectedKinds))
// }
// for _, expectedKind := range test.expectedKinds {
// if !kubeadmutil.GroupVersionKindsHasKind(gvks, expectedKind) {
// t.Fatalf("migration failed to produce config kind: %s", expectedKind)
// }
// }
// }
// })
// }
// }
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
b, err := MigrateOldConfig([]byte(test.oldCfg), test.allowExperimental)
if test.expectErr {
if err == nil {
t.Fatalf("unexpected success:\n%s", b)
}
} else {
if err != nil {
t.Fatalf("unexpected failure: %v", err)
}
gvks, err := kubeadmutil.GroupVersionKindsFromBytes(b)
if err != nil {
t.Fatalf("unexpected error returned by GroupVersionKindsFromBytes: %v", err)
}
if len(gvks) != len(test.expectedKinds) {
t.Fatalf("length mismatch between resulting gvks and expected kinds:\n\tlen(gvks)=%d\n\tlen(expectedKinds)=%d",
len(gvks), len(test.expectedKinds))
}
for _, expectedKind := range test.expectedKinds {
if !kubeadmutil.GroupVersionKindsHasKind(gvks, expectedKind) {
t.Fatalf("migration failed to produce config kind: %s", expectedKind)
}
}
}
})
}
}
// NOTE: do not delete this test once an older API is removed and there is only one API left.
// Update the inline "gv" and "gvExperimental" variables, to have the GroupVersion String of
// the API to be tested. If there are no experimental APIs make "gvExperimental" point to
// an non-experimental API.
func TestValidateConfig(t *testing.T) {
var (
gv = kubeadmapiv1old.SchemeGroupVersion.String()
gvExperimental = kubeadmapiv1.SchemeGroupVersion.String()
)
tests := []struct {
name string
cfg string
expectedError bool
allowExperimental bool
}{
{
name: "invalid subdomain",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
nodeRegistration:
criSocket: %s
name: foo bar # not a valid subdomain
`, gv, constants.UnknownCRISocket)),
expectedError: true,
},
{
name: "unknown API GVK",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: foo/bar # not a valid GroupVersion
kind: zzz # not a valid Kind
nodeRegistration:
criSocket: %s
`, constants.UnknownCRISocket)),
expectedError: true,
},
{
name: "legacy API GVK",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: kubeadm.k8s.io/v1beta1 # legacy API
kind: InitConfiguration
nodeRegistration:
criSocket: %s
`, constants.UnknownCRISocket)),
expectedError: true,
},
{
name: "unknown field",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
foo: bar
nodeRegistration:
criSocket: %s
`, gv, constants.UnknownCRISocket)),
expectedError: true,
},
{
name: "valid",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
nodeRegistration:
criSocket: %s
`, gv, constants.UnknownCRISocket)),
expectedError: false,
},
{
name: "valid: experimental API",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
`, gvExperimental)),
expectedError: false,
allowExperimental: true,
},
{
name: "invalid: experimental API",
cfg: dedent.Dedent(fmt.Sprintf(`
apiVersion: %s
kind: InitConfiguration
`, gvExperimental)),
expectedError: true,
allowExperimental: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
err := ValidateConfig([]byte(test.cfg), test.allowExperimental)
if (err != nil) != test.expectedError {
t.Fatalf("expected error: %v, got: %v, error: %v", test.expectedError, (err != nil), err)
}
})
}
}
func TestIsKubeadmPrereleaseVersion(t *testing.T) {
validVersionInfo := &apimachineryversion.Info{Major: "1", GitVersion: "v1.23.0-alpha.1"}