// TODO should be moved upstream
func RelativizeClientConfigPaths(cfg *clientcmdapi.Config, base string) (err error) {
for k, cluster := range cfg.Clusters {
if len(cluster.CertificateAuthority) > 0 {
if cluster.CertificateAuthority, err = util.MakeAbs(cluster.CertificateAuthority, ""); err != nil {
return err
}
if cluster.CertificateAuthority, err = util.MakeRelative(cluster.CertificateAuthority, base); err != nil {
return err
}
cfg.Clusters[k] = cluster
}
}
for k, authInfo := range cfg.AuthInfos {
if len(authInfo.ClientCertificate) > 0 {
if authInfo.ClientCertificate, err = util.MakeAbs(authInfo.ClientCertificate, ""); err != nil {
return err
}
if authInfo.ClientCertificate, err = util.MakeRelative(authInfo.ClientCertificate, base); err != nil {
return err
}
}
if len(authInfo.ClientKey) > 0 {
if authInfo.ClientKey, err = util.MakeAbs(authInfo.ClientKey, ""); err != nil {
return err
}
if authInfo.ClientKey, err = util.MakeRelative(authInfo.ClientKey, base); err != nil {
return err
}
}
cfg.AuthInfos[k] = authInfo
}
return nil
}
// Save all the information present in this helper to a config file. An explicit config
// file path can be provided, if not use the established conventions about config
// loading rules. Will create a new config file if one can't be found at all. Will only
// succeed if all required info is present.
func (o *LoginOptions) SaveConfig() (bool, error) {
if len(o.Username) == 0 {
return false, fmt.Errorf("Insufficient data to merge configuration.")
}
globalExistedBefore := true
if _, err := os.Stat(o.PathOptions.GlobalFile); os.IsNotExist(err) {
globalExistedBefore = false
}
newConfig, err := config.CreateConfig(o.Project, o.Config)
if err != nil {
return false, err
}
cwd, err := os.Getwd()
if err != nil {
return false, err
}
baseDir, err := cmdutil.MakeAbs(filepath.Dir(o.PathOptions.GetDefaultFilename()), cwd)
if err != nil {
return false, err
}
if err := config.RelativizeClientConfigPaths(newConfig, baseDir); err != nil {
return false, err
}
configToWrite, err := config.MergeConfig(*o.StartingKubeConfig, *newConfig)
if err != nil {
return false, err
}
if err := kclientcmd.ModifyConfig(o.PathOptions, *configToWrite, true); err != nil {
if !os.IsPermission(err) {
return false, err
}
out := &bytes.Buffer{}
cmderr.PrintError(errors.ErrKubeConfigNotWriteable(o.PathOptions.GetDefaultFilename(), o.PathOptions.IsExplicitFile(), err), out)
return false, fmt.Errorf("%v", out)
}
created := false
if _, err := os.Stat(o.PathOptions.GlobalFile); err == nil {
created = created || !globalExistedBefore
}
return created, nil
}
// Save all the information present in this helper to a config file. An explicit config
// file path can be provided, if not use the established conventions about config
// loading rules. Will create a new config file if one can't be found at all. Will only
// succeed if all required info is present.
func (o *LoginOptions) SaveConfig() (bool, error) {
if len(o.Username) == 0 {
return false, fmt.Errorf("Insufficient data to merge configuration.")
}
globalExistedBefore := true
if _, err := os.Stat(o.PathOptions.GlobalFile); os.IsNotExist(err) {
globalExistedBefore = false
}
newConfig, err := config.CreateConfig(o.Project, o.Config)
if err != nil {
return false, err
}
cwd, err := os.Getwd()
if err != nil {
return false, err
}
baseDir, err := cmdutil.MakeAbs(filepath.Dir(o.PathOptions.GetDefaultFilename()), cwd)
if err != nil {
return false, err
}
if err := config.RelativizeClientConfigPaths(newConfig, baseDir); err != nil {
return false, err
}
configToWrite, err := config.MergeConfig(*o.StartingKubeConfig, *newConfig)
if err != nil {
return false, err
}
if err := kubecmdconfig.ModifyConfig(o.PathOptions, *configToWrite); err != nil {
return false, err
}
created := false
if _, err := os.Stat(o.PathOptions.GlobalFile); err == nil {
created = created || !globalExistedBefore
}
return created, nil
}
// RunMaster takes the options and:
// 1. Creates certs if needed
// 2. Reads fully specified master config OR builds a fully specified master config from the args
// 3. Writes the fully specified master config and exits if needed
// 4. Starts the master based on the fully specified config
func (o MasterOptions) RunMaster() error {
startUsingConfigFile := !o.IsWriteConfigOnly() && o.IsRunFromConfig()
if !startUsingConfigFile && o.CreateCertificates {
glog.V(2).Infof("Generating master configuration")
if err := o.CreateCerts(); err != nil {
return err
}
if err := o.CreateBootstrapPolicy(); err != nil {
return err
}
}
var masterConfig *configapi.MasterConfig
var err error
if startUsingConfigFile {
masterConfig, err = configapilatest.ReadAndResolveMasterConfig(o.ConfigFile)
} else {
masterConfig, err = o.MasterArgs.BuildSerializeableMasterConfig()
}
if err != nil {
return err
}
if o.IsWriteConfigOnly() {
// Resolve relative to CWD
cwd, err := os.Getwd()
if err != nil {
return err
}
if err := configapi.ResolveMasterConfigPaths(masterConfig, cwd); err != nil {
return err
}
// Relativize to config file dir
base, err := cmdutil.MakeAbs(filepath.Dir(o.MasterArgs.GetConfigFileToWrite()), cwd)
if err != nil {
return err
}
if err := configapi.RelativizeMasterConfigPaths(masterConfig, base); err != nil {
return err
}
content, err := configapilatest.WriteYAML(masterConfig)
if err != nil {
return err
}
if err := os.MkdirAll(path.Dir(o.MasterArgs.GetConfigFileToWrite()), os.FileMode(0755)); err != nil {
return err
}
if err := ioutil.WriteFile(o.MasterArgs.GetConfigFileToWrite(), content, 0644); err != nil {
return err
}
fmt.Fprintf(o.Output, "Wrote master config to: %s\n", o.MasterArgs.GetConfigFileToWrite())
return nil
}
if o.MasterArgs.OverrideConfig != nil {
if err := o.MasterArgs.OverrideConfig(masterConfig); err != nil {
return err
}
}
// Inject disabled feature flags based on distribution being used and
// regardless of configuration. They aren't written to config file to
// prevent upgrade path issues.
masterConfig.DisabledFeatures.Add(o.DisabledFeatures...)
validationResults := validation.ValidateMasterConfig(masterConfig, nil)
if len(validationResults.Warnings) != 0 {
for _, warning := range validationResults.Warnings {
glog.Warningf("%v", warning)
}
}
if len(validationResults.Errors) != 0 {
return kerrors.NewInvalid(configapi.Kind("MasterConfig"), o.ConfigFile, validationResults.Errors)
}
if !o.MasterArgs.StartControllers {
masterConfig.Controllers = configapi.ControllersDisabled
}
m := &Master{
config: masterConfig,
api: o.MasterArgs.StartAPI,
controllers: o.MasterArgs.StartControllers,
}
return m.Start()
}
func (o CreateNodeConfigOptions) MakeNodeConfig(serverCertFile, serverKeyFile, nodeClientCAFile, kubeConfigFile, nodeConfigFile string) error {
config := &configapi.NodeConfig{
NodeName: o.NodeName,
ServingInfo: configapi.ServingInfo{
BindAddress: net.JoinHostPort(o.ListenAddr.Host, strconv.Itoa(ports.KubeletPort)),
},
VolumeDirectory: o.VolumeDir,
AllowDisabledDocker: o.AllowDisabledDocker,
ImageConfig: configapi.ImageConfig{
Format: o.ImageTemplate.Format,
Latest: o.ImageTemplate.Latest,
},
DNSDomain: o.DNSDomain,
DNSIP: o.DNSIP,
MasterKubeConfig: kubeConfigFile,
NetworkConfig: configapi.NodeNetworkConfig{
NetworkPluginName: o.NetworkPluginName,
},
}
if o.UseTLS() {
config.ServingInfo.ServerCert = configapi.CertInfo{
CertFile: serverCertFile,
KeyFile: serverKeyFile,
}
config.ServingInfo.ClientCA = nodeClientCAFile
}
// Resolve relative to CWD
cwd, err := os.Getwd()
if err != nil {
return err
}
if err := configapi.ResolveNodeConfigPaths(config, cwd); err != nil {
return err
}
// Relativize to config file dir
base, err := cmdutil.MakeAbs(o.NodeConfigDir, cwd)
if err != nil {
return err
}
if err := configapi.RelativizeNodeConfigPaths(config, base); err != nil {
return err
}
// Roundtrip the config to v1 and back to ensure proper defaults are set.
ext, err := configapi.Scheme.ConvertToVersion(config, latestconfigapi.Version)
if err != nil {
return err
}
internal, err := configapi.Scheme.ConvertToVersion(ext, configapi.SchemeGroupVersion)
if err != nil {
return err
}
content, err := latestconfigapi.WriteYAML(internal)
if err != nil {
return err
}
if err := ioutil.WriteFile(nodeConfigFile, content, 0644); err != nil {
return err
}
return nil
}
// RunMaster takes the options and:
// 1. Creates certs if needed
// 2. Reads fully specified master config OR builds a fully specified master config from the args
// 3. Writes the fully specified master config and exits if needed
// 4. Starts the master based on the fully specified config
func (o MasterOptions) RunMaster() error {
startUsingConfigFile := !o.IsWriteConfigOnly() && o.IsRunFromConfig()
if !startUsingConfigFile && o.CreateCertificates {
glog.V(2).Infof("Generating master configuration")
if err := o.CreateCerts(); err != nil {
return err
}
if err := o.CreateBootstrapPolicy(); err != nil {
return err
}
}
var masterConfig *configapi.MasterConfig
var err error
if startUsingConfigFile {
masterConfig, err = configapilatest.ReadAndResolveMasterConfig(o.ConfigFile)
} else {
masterConfig, err = o.MasterArgs.BuildSerializeableMasterConfig()
}
if err != nil {
return err
}
if o.IsWriteConfigOnly() {
// Resolve relative to CWD
cwd, err := os.Getwd()
if err != nil {
return err
}
if err := configapi.ResolveMasterConfigPaths(masterConfig, cwd); err != nil {
return err
}
// Relativize to config file dir
base, err := cmdutil.MakeAbs(filepath.Dir(o.MasterArgs.GetConfigFileToWrite()), cwd)
if err != nil {
return err
}
if err := configapi.RelativizeMasterConfigPaths(masterConfig, base); err != nil {
return err
}
content, err := configapilatest.WriteYAML(masterConfig)
if err != nil {
return err
}
if err := os.MkdirAll(path.Dir(o.MasterArgs.GetConfigFileToWrite()), os.FileMode(0755)); err != nil {
return err
}
if err := ioutil.WriteFile(o.MasterArgs.GetConfigFileToWrite(), content, 0644); err != nil {
return err
}
fmt.Fprintf(o.Output, "Wrote master config to: %s\n", o.MasterArgs.GetConfigFileToWrite())
return nil
}
validationResults := validation.ValidateMasterConfig(masterConfig)
if len(validationResults.Warnings) != 0 {
for _, warning := range validationResults.Warnings {
glog.Warningf("%v", warning)
}
}
if len(validationResults.Errors) != 0 {
return kerrors.NewInvalid("MasterConfig", o.ConfigFile, validationResults.Errors)
}
if err := StartMaster(masterConfig); err != nil {
return err
}
return nil
}