func TestNewEmptyContext(t *testing.T) {
expectedConfig := *clientcmdapi.NewConfig()
expectedConfig.Contexts["new-context"] = clientcmdapi.NewContext()
test := configCommandTest{
args: []string{"set-context", "new-context"},
startingConfig: *clientcmdapi.NewConfig(),
expectedConfig: expectedConfig,
}
test.run(t)
}
func TestNewEmptyAuth(t *testing.T) {
expectedConfig := *clientcmdapi.NewConfig()
expectedConfig.AuthInfos["the-user-name"] = clientcmdapi.NewAuthInfo()
test := configCommandTest{
args: []string{"set-credentials", "the-user-name"},
startingConfig: *clientcmdapi.NewConfig(),
expectedConfig: expectedConfig,
}
test.run(t)
}
func TestSetIntoNewConfig(t *testing.T) {
expectedConfig := *clientcmdapi.NewConfig()
context := clientcmdapi.NewContext()
context.AuthInfo = "fake-user"
expectedConfig.Contexts["new-context"] = context
test := configCommandTest{
args: []string{"set", "contexts.new-context.user", "fake-user"},
startingConfig: *clientcmdapi.NewConfig(),
expectedConfig: expectedConfig,
}
test.run(t)
}
// Load starts by running the MigrationRules and then
// takes the loading rules and returns a Config object based on following rules.
// if the ExplicitPath, return the unmerged explicit file
// Otherwise, return a merged config based on the Precedence slice
// A missing ExplicitPath file produces an error. Empty filenames or other missing files are ignored.
// Read errors or files with non-deserializable content produce errors.
// The first file to set a particular map key wins and map key's value is never changed.
// BUT, if you set a struct value that is NOT contained inside of map, the value WILL be changed.
// This results in some odd looking logic to merge in one direction, merge in the other, and then merge the two.
// It also means that if two files specify a "red-user", only values from the first file's red-user are used. Even
// non-conflicting entries from the second file's "red-user" are discarded.
// Relative paths inside of the .kubeconfig files are resolved against the .kubeconfig file's parent folder
// and only absolute file paths are returned.
func (rules *ClientConfigLoadingRules) Load() (*clientcmdapi.Config, error) {
if err := rules.Migrate(); err != nil {
return nil, err
}
errlist := []error{}
kubeConfigFiles := []string{}
// Make sure a file we were explicitly told to use exists
if len(rules.ExplicitPath) > 0 {
if _, err := os.Stat(rules.ExplicitPath); os.IsNotExist(err) {
return nil, err
}
kubeConfigFiles = append(kubeConfigFiles, rules.ExplicitPath)
} else {
kubeConfigFiles = append(kubeConfigFiles, rules.Precedence...)
}
// first merge all of our maps
mapConfig := clientcmdapi.NewConfig()
for _, file := range kubeConfigFiles {
if err := mergeConfigWithFile(mapConfig, file); err != nil {
errlist = append(errlist, err)
}
}
// merge all of the struct values in the reverse order so that priority is given correctly
// errors are not added to the list the second time
nonMapConfig := clientcmdapi.NewConfig()
for i := len(kubeConfigFiles) - 1; i >= 0; i-- {
file := kubeConfigFiles[i]
mergeConfigWithFile(nonMapConfig, file)
}
// since values are overwritten, but maps values are not, we can merge the non-map config on top of the map config and
// get the values we expect.
config := clientcmdapi.NewConfig()
mergo.Merge(config, mapConfig)
mergo.Merge(config, nonMapConfig)
if rules.ResolvePaths() {
if err := ResolveLocalPaths(config); err != nil {
errlist = append(errlist, err)
}
}
return config, utilerrors.NewAggregate(errlist)
}
func TestBasicTokenFile(t *testing.T) {
token := "exampletoken"
f, err := ioutil.TempFile("", "tokenfile")
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
defer os.Remove(f.Name())
if err := ioutil.WriteFile(f.Name(), []byte(token), 0644); err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
config := clientcmdapi.NewConfig()
config.Clusters["clean"] = &clientcmdapi.Cluster{
Server: "https://localhost:8443",
}
config.AuthInfos["clean"] = &clientcmdapi.AuthInfo{
TokenFile: f.Name(),
}
config.Contexts["clean"] = &clientcmdapi.Context{
Cluster: "clean",
AuthInfo: "clean",
}
config.CurrentContext = "clean"
clientBuilder := NewNonInteractiveClientConfig(*config, "clean", &ConfigOverrides{}, nil)
clientConfig, err := clientBuilder.ClientConfig()
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
matchStringArg(token, clientConfig.BearerToken, t)
}
// ReadConfigOrNew retrieves Kubernetes client configuration from a file.
// If no files exists, an empty configuration is returned.
func ReadConfigOrNew(filename string) (*api.Config, error) {
data, err := ioutil.ReadFile(filename)
if os.IsNotExist(err) {
return api.NewConfig(), nil
} else if err != nil {
return nil, errors.Wrapf(err, "Error reading file", filename)
}
// decode config, empty if no bytes
config, err := decode(data)
if err != nil {
return nil, errors.Errorf("could not read config: %v", err)
}
// initialize nil maps
if config.AuthInfos == nil {
config.AuthInfos = map[string]*api.AuthInfo{}
}
if config.Clusters == nil {
config.Clusters = map[string]*api.Cluster{}
}
if config.Contexts == nil {
config.Contexts = map[string]*api.Context{}
}
return config, nil
}
func TestBasicAuthData(t *testing.T) {
username := "******"
password := "******"
config := clientcmdapi.NewConfig()
config.Clusters["clean"] = &clientcmdapi.Cluster{
Server: "https://localhost:8443",
APIVersion: testapi.Default.GroupVersion().String(),
}
config.AuthInfos["clean"] = &clientcmdapi.AuthInfo{
Username: username,
Password: password,
}
config.Contexts["clean"] = &clientcmdapi.Context{
Cluster: "clean",
AuthInfo: "clean",
}
config.CurrentContext = "clean"
clientBuilder := NewNonInteractiveClientConfig(*config, "clean", &ConfigOverrides{})
clientConfig, err := clientBuilder.ClientConfig()
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Make sure basic auth data gets into config
matchStringArg(username, clientConfig.Username, t)
matchStringArg(password, clientConfig.Password, t)
}
func (k8scc *K8sClientConfig) UnversionedClient() *unversioned.Client {
config := clientcmdapi.NewConfig()
config.Clusters[k8scc.ClusterID] = &clientcmdapi.Cluster{
InsecureSkipTLSVerify: k8scc.InsecureSkipTLSVerify,
Server: k8scc.Server,
CertificateAuthority: k8scc.CertificateAuthority,
CertificateAuthorityData: k8scc.CertificateAuthorityData,
}
config.AuthInfos[k8scc.ClusterID] = &clientcmdapi.AuthInfo{
ClientCertificate: k8scc.ClientCertificate,
ClientKey: k8scc.ClientKey,
ClientCertificateData: k8scc.ClientCertificateData,
ClientKeyData: k8scc.ClientKeyData,
}
config.Contexts[k8scc.ClusterID] = &clientcmdapi.Context{
Cluster: k8scc.ClusterID,
AuthInfo: k8scc.ClusterID,
}
config.CurrentContext = k8scc.ClusterID
clientBuilder := clientcmd.NewNonInteractiveClientConfig(*config, k8scc.ClusterID, &clientcmd.ConfigOverrides{})
clientConfig, err := clientBuilder.ClientConfig()
if err != nil {
log.Fatalf("Unexpected error: %v", err)
}
client, err := unversioned.New(clientConfig)
if err != nil {
log.Fatalf("Unexpected error: %v", err)
}
return client
}
func TestCertificateData(t *testing.T) {
caData := []byte("ca-data")
certData := []byte("cert-data")
keyData := []byte("key-data")
config := clientcmdapi.NewConfig()
config.Clusters["clean"] = &clientcmdapi.Cluster{
Server: "https://localhost:8443",
APIVersion: testapi.Default.GroupVersion().String(),
CertificateAuthorityData: caData,
}
config.AuthInfos["clean"] = &clientcmdapi.AuthInfo{
ClientCertificateData: certData,
ClientKeyData: keyData,
}
config.Contexts["clean"] = &clientcmdapi.Context{
Cluster: "clean",
AuthInfo: "clean",
}
config.CurrentContext = "clean"
clientBuilder := NewNonInteractiveClientConfig(*config, "clean", &ConfigOverrides{})
clientConfig, err := clientBuilder.ClientConfig()
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Make sure cert data gets into config (will override file paths)
matchByteArg(caData, clientConfig.TLSClientConfig.CAData, t)
matchByteArg(certData, clientConfig.TLSClientConfig.CertData, t)
matchByteArg(keyData, clientConfig.TLSClientConfig.KeyData, t)
}
func TestNewConfig(t *testing.T) {
dir, err := ioutil.TempDir("", ".kube")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
// setup minikube config
expected := api.NewConfig()
minikubeConfig(expected)
// write actual
filename := filepath.Join(dir, "config")
err = WriteConfig(expected, filename)
if err != nil {
t.Fatal(err)
}
actual, err := ReadConfigOrNew(filename)
if err != nil {
t.Fatal(err)
}
if !configEquals(actual, expected) {
t.Fatal("configs did not match")
}
}
// Login logs into the specified server using given credentials and CA file
func Login(username, password, server, configDir string, f *clientcmd.Factory, c *cobra.Command, out io.Writer) error {
existingConfig, err := f.OpenShiftClientConfig.RawConfig()
if err != nil {
if !os.IsNotExist(err) {
return err
}
existingConfig = *(kclientcmdapi.NewConfig())
}
adminConfig, err := kclientcmd.LoadFromFile(filepath.Join(configDir, "master", "admin.kubeconfig"))
if err != nil {
return err
}
for k := range adminConfig.AuthInfos {
adminConfig.AuthInfos[k].LocationOfOrigin = ""
}
newConfig, err := config.MergeConfig(existingConfig, *adminConfig)
if err != nil {
return err
}
output := ioutil.Discard
if glog.V(1) {
output = out
}
opts := &cmd.LoginOptions{
Server: server,
Username: username,
Password: password,
Out: output,
StartingKubeConfig: newConfig,
PathOptions: config.NewPathOptions(c),
}
return cmd.RunLogin(nil, opts)
}
func TestValidateEmptyConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
test := configValidationTest{
config: config,
}
test.testConfig(t)
}
func TestCurrentContextWithUnsetContext(t *testing.T) {
test := currentContextTest{
startingConfig: *clientcmdapi.NewConfig(),
expectedError: "current-context is not set",
}
test.run(t)
}
func TestNewFactoryNoFlagBindings(t *testing.T) {
clientConfig := clientcmd.NewDefaultClientConfig(*clientcmdapi.NewConfig(), &clientcmd.ConfigOverrides{})
factory := NewFactory(clientConfig)
if factory.flags.HasFlags() {
t.Errorf("Expected zero flags, but got %v", factory.flags)
}
}
func (o *LoginOptions) Complete(f *osclientcmd.Factory, cmd *cobra.Command, args []string) error {
kubeconfig, err := f.OpenShiftClientConfig.RawConfig()
o.StartingKubeConfig = &kubeconfig
if err != nil {
if !os.IsNotExist(err) {
return err
}
// build a valid object to use if we failed on a non-existent file
o.StartingKubeConfig = kclientcmdapi.NewConfig()
}
addr := flagtypes.Addr{Value: "localhost:8443", DefaultScheme: "https", DefaultPort: 8443, AllowPrefix: true}.Default()
if serverFlag := kcmdutil.GetFlagString(cmd, "server"); len(serverFlag) > 0 {
if err := addr.Set(serverFlag); err != nil {
return err
}
o.Server = addr.String()
} else if len(args) == 1 {
if err := addr.Set(args[0]); err != nil {
return err
}
o.Server = addr.String()
} else if len(o.Server) == 0 {
if defaultContext, defaultContextExists := o.StartingKubeConfig.Contexts[o.StartingKubeConfig.CurrentContext]; defaultContextExists {
if cluster, exists := o.StartingKubeConfig.Clusters[defaultContext.Cluster]; exists {
o.Server = cluster.Server
}
}
}
o.CertFile = kcmdutil.GetFlagString(cmd, "client-certificate")
o.KeyFile = kcmdutil.GetFlagString(cmd, "client-key")
o.APIVersion = kcmdutil.GetFlagString(cmd, "api-version")
// if the API version isn't explicitly passed, use the API version from the default context (same rules as the server above)
if len(o.APIVersion) == 0 {
if defaultContext, defaultContextExists := o.StartingKubeConfig.Contexts[o.StartingKubeConfig.CurrentContext]; defaultContextExists {
if cluster, exists := o.StartingKubeConfig.Clusters[defaultContext.Cluster]; exists {
o.APIVersion = cluster.APIVersion
}
}
}
o.CAFile = kcmdutil.GetFlagString(cmd, "certificate-authority")
o.InsecureTLS = kcmdutil.GetFlagBool(cmd, "insecure-skip-tls-verify")
o.Token = kcmdutil.GetFlagString(cmd, "token")
o.DefaultNamespace, _, _ = f.OpenShiftClientConfig.Namespace()
o.PathOptions = config.NewPathOptions(cmd)
return nil
}
func TestConfirmUsableEmptyConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"no context chosen"},
}
test.testConfirmUsable("", t)
}
func TestConfirmUsableMissingConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"context was not found for"},
}
test.testConfirmUsable("not-here", t)
}
func TestValidateEmptyConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"invalid configuration: no configuration has been provided"},
}
test.testConfig(t)
}
func TestConfirmUsableMissingConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"invalid configuration: no configuration has been provided"},
}
test.testConfirmUsable("not-here", t)
}
func TestGetContextsAllNone(t *testing.T) {
test := getContextsTest{
startingConfig: *clientcmdapi.NewConfig(),
names: []string{},
noHeader: true,
nameOnly: false,
expectedOut: "",
}
test.run(t)
}
// getConfigFromFile tries to read a kubeconfig file and if it can't, returns an error. One exception, missing files result in empty configs, not an error.
func getConfigFromFile(filename string) (*clientcmdapi.Config, error) {
config, err := LoadFromFile(filename)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
if config == nil {
config = clientcmdapi.NewConfig()
}
return config, nil
}
func CreateBasicClientConfig(clusterName string, serverURL string, caCert []byte) *clientcmdapi.Config {
cluster := clientcmdapi.NewCluster()
cluster.Server = serverURL
cluster.CertificateAuthorityData = caCert
config := clientcmdapi.NewConfig()
config.Clusters[clusterName] = cluster
return config
}
func TestValidateMissingCurrentContextConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
config.CurrentContext = "anything"
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"context was not found for specified "},
}
test.testConfig(t)
}
func TestValidateEmptyAuthInfo(t *testing.T) {
config := clientcmdapi.NewConfig()
config.AuthInfos["error"] = &clientcmdapi.AuthInfo{}
test := configValidationTest{
config: config,
}
test.testAuthInfo("error", t)
test.testConfig(t)
}
func TestIsEmptyConfig(t *testing.T) {
config := clientcmdapi.NewConfig()
err := Validate(*config)
if !IsEmptyConfig(err) {
t.Errorf("Expected context not found, but got %v", err)
}
if !IsConfigurationInvalid(err) {
t.Errorf("Expected configuration invalid, but got %v", err)
}
}
func TestValidateEmptyClusterInfo(t *testing.T) {
config := clientcmdapi.NewConfig()
config.Clusters["empty"] = &clientcmdapi.Cluster{}
test := configValidationTest{
config: config,
expectedErrorSubstring: []string{"cluster has no server defined"},
}
test.testCluster("empty", t)
test.testConfig(t)
}
// Load takes a byte slice and deserializes the contents into Config object.
// Encapsulates deserialization without assuming the source is a file.
func Load(data []byte) (*clientcmdapi.Config, error) {
config := clientcmdapi.NewConfig()
// if there's no data in a file, return the default object instead of failing (DecodeInto reject empty input)
if len(data) == 0 {
return config, nil
}
decoded, _, err := clientcmdlatest.Codec.Decode(data, &unversioned.GroupVersionKind{Version: clientcmdlatest.Version, Kind: "Config"}, config)
if err != nil {
return nil, err
}
return decoded.(*clientcmdapi.Config), nil
}
// GetConfigFromFileOrDie tries to read a kubeconfig file and if it can't, it calls exit. One exception, missing files result in empty configs, not an exit
func GetConfigFromFileOrDie(filename string) *clientcmdapi.Config {
config, err := LoadFromFile(filename)
if err != nil && !os.IsNotExist(err) {
glog.FatalDepth(1, err)
}
if config == nil {
return clientcmdapi.NewConfig()
}
return config
}
// GetStartingConfig implements ConfigAccess
func (rules *ClientConfigLoadingRules) GetStartingConfig() (*clientcmdapi.Config, error) {
clientConfig := NewNonInteractiveDeferredLoadingClientConfig(rules, &ConfigOverrides{})
rawConfig, err := clientConfig.RawConfig()
if os.IsNotExist(err) {
return clientcmdapi.NewConfig(), nil
}
if err != nil {
return nil, err
}
return &rawConfig, nil
}
// Load takes a byte slice and deserializes the contents into Config object.
// Encapsulates deserialization without assuming the source is a file.
func Load(data []byte) (*clientcmdapi.Config, error) {
config := clientcmdapi.NewConfig()
// if there's no data in a file, return the default object instead of failing (DecodeInto reject empty input)
if len(data) == 0 {
return config, nil
}
if err := clientcmdlatest.Codec.DecodeInto(data, config); err != nil {
return nil, err
}
return config, nil
}