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Add glide.yaml and vendor deps

This commit is contained in:
Dalton Hubble 2016-12-03 22:43:32 -08:00
parent db918f12ad
commit 5b3d5e81bd
18880 changed files with 5166045 additions and 1 deletions

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package(default_visibility = ["//visibility:public"])
licenses(["notice"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_binary",
"go_library",
"go_test",
"cgo_library",
)
go_library(
name = "go_default_library",
srcs = [
"authentication.go",
"authorization.go",
"doc.go",
"etcd.go",
"server_run_options.go",
"serving.go",
],
tags = ["automanaged"],
deps = [
"//pkg/admission:go_default_library",
"//pkg/api:go_default_library",
"//pkg/apimachinery/registered:go_default_library",
"//pkg/apiserver/authenticator:go_default_library",
"//pkg/client/clientset_generated/release_1_5/typed/authentication/v1beta1:go_default_library",
"//pkg/client/clientset_generated/release_1_5/typed/authorization/v1beta1:go_default_library",
"//pkg/client/restclient:go_default_library",
"//pkg/client/unversioned/clientcmd:go_default_library",
"//pkg/controller/informers:go_default_library",
"//pkg/genericapiserver/authorizer:go_default_library",
"//pkg/runtime/schema:go_default_library",
"//pkg/storage/storagebackend:go_default_library",
"//pkg/util/config:go_default_library",
"//pkg/util/net:go_default_library",
"//vendor:github.com/spf13/pflag",
],
)

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package options
import (
"time"
"github.com/spf13/pflag"
"k8s.io/kubernetes/pkg/apiserver/authenticator"
authenticationclient "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5/typed/authentication/v1beta1"
"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
)
type BuiltInAuthenticationOptions struct {
Anonymous *AnonymousAuthenticationOptions
AnyToken *AnyTokenAuthenticationOptions
Keystone *KeystoneAuthenticationOptions
OIDC *OIDCAuthenticationOptions
PasswordFile *PasswordFileAuthenticationOptions
RequestHeader *RequestHeaderAuthenticationOptions
ServiceAccounts *ServiceAccountAuthenticationOptions
TokenFile *TokenFileAuthenticationOptions
WebHook *WebHookAuthenticationOptions
}
type AnyTokenAuthenticationOptions struct {
Allow bool
}
type AnonymousAuthenticationOptions struct {
Allow bool
}
type KeystoneAuthenticationOptions struct {
URL string
CAFile string
}
type OIDCAuthenticationOptions struct {
CAFile string
ClientID string
IssuerURL string
UsernameClaim string
GroupsClaim string
}
type PasswordFileAuthenticationOptions struct {
BasicAuthFile string
}
type ServiceAccountAuthenticationOptions struct {
KeyFiles []string
Lookup bool
}
type TokenFileAuthenticationOptions struct {
TokenFile string
}
type WebHookAuthenticationOptions struct {
ConfigFile string
CacheTTL time.Duration
}
func NewBuiltInAuthenticationOptions() *BuiltInAuthenticationOptions {
return &BuiltInAuthenticationOptions{}
}
func (s *BuiltInAuthenticationOptions) WithAll() *BuiltInAuthenticationOptions {
return s.
WithAnyonymous().
WithAnyToken().
WithKeystone().
WithOIDC().
WithPasswordFile().
WithRequestHeader().
WithServiceAccounts().
WithTokenFile().
WithWebHook()
}
func (s *BuiltInAuthenticationOptions) WithAnyonymous() *BuiltInAuthenticationOptions {
s.Anonymous = &AnonymousAuthenticationOptions{Allow: true}
return s
}
func (s *BuiltInAuthenticationOptions) WithAnyToken() *BuiltInAuthenticationOptions {
s.AnyToken = &AnyTokenAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithKeystone() *BuiltInAuthenticationOptions {
s.Keystone = &KeystoneAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithOIDC() *BuiltInAuthenticationOptions {
s.OIDC = &OIDCAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithPasswordFile() *BuiltInAuthenticationOptions {
s.PasswordFile = &PasswordFileAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithRequestHeader() *BuiltInAuthenticationOptions {
s.RequestHeader = &RequestHeaderAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithServiceAccounts() *BuiltInAuthenticationOptions {
s.ServiceAccounts = &ServiceAccountAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithTokenFile() *BuiltInAuthenticationOptions {
s.TokenFile = &TokenFileAuthenticationOptions{}
return s
}
func (s *BuiltInAuthenticationOptions) WithWebHook() *BuiltInAuthenticationOptions {
s.WebHook = &WebHookAuthenticationOptions{
CacheTTL: 2 * time.Minute,
}
return s
}
func (s *BuiltInAuthenticationOptions) Validate() []error {
allErrors := []error{}
return allErrors
}
func (s *BuiltInAuthenticationOptions) AddFlags(fs *pflag.FlagSet) {
if s.Anonymous != nil {
fs.BoolVar(&s.Anonymous.Allow, "anonymous-auth", s.Anonymous.Allow, ""+
"Enables anonymous requests to the secure port of the API server. "+
"Requests that are not rejected by another authentication method are treated as anonymous requests. "+
"Anonymous requests have a username of system:anonymous, and a group name of system:unauthenticated.")
}
if s.AnyToken != nil {
fs.BoolVar(&s.AnyToken.Allow, "insecure-allow-any-token", s.AnyToken.Allow, ""+
"If set, your server will be INSECURE. Any token will be allowed and user information will be parsed "+
"from the token as `username/group1,group2`")
}
if s.Keystone != nil {
fs.StringVar(&s.Keystone.URL, "experimental-keystone-url", s.Keystone.URL,
"If passed, activates the keystone authentication plugin.")
fs.StringVar(&s.Keystone.CAFile, "experimental-keystone-ca-file", s.Keystone.CAFile, ""+
"If set, the Keystone server's certificate will be verified by one of the authorities "+
"in the experimental-keystone-ca-file, otherwise the host's root CA set will be used.")
}
if s.OIDC != nil {
fs.StringVar(&s.OIDC.IssuerURL, "oidc-issuer-url", s.OIDC.IssuerURL, ""+
"The URL of the OpenID issuer, only HTTPS scheme will be accepted. "+
"If set, it will be used to verify the OIDC JSON Web Token (JWT).")
fs.StringVar(&s.OIDC.ClientID, "oidc-client-id", s.OIDC.ClientID,
"The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set.")
fs.StringVar(&s.OIDC.CAFile, "oidc-ca-file", s.OIDC.CAFile, ""+
"If set, the OpenID server's certificate will be verified by one of the authorities "+
"in the oidc-ca-file, otherwise the host's root CA set will be used.")
fs.StringVar(&s.OIDC.UsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') "+
"is not guaranteed to be unique and immutable. This flag is experimental, please see "+
"the authentication documentation for further details.")
fs.StringVar(&s.OIDC.GroupsClaim, "oidc-groups-claim", "", ""+
"If provided, the name of a custom OpenID Connect claim for specifying user groups. "+
"The claim value is expected to be a string or array of strings. This flag is experimental, "+
"please see the authentication documentation for further details.")
}
if s.PasswordFile != nil {
fs.StringVar(&s.PasswordFile.BasicAuthFile, "basic-auth-file", s.PasswordFile.BasicAuthFile, ""+
"If set, the file that will be used to admit requests to the secure port of the API server "+
"via http basic authentication.")
}
if s.RequestHeader != nil {
s.RequestHeader.AddFlags(fs)
}
if s.ServiceAccounts != nil {
fs.StringArrayVar(&s.ServiceAccounts.KeyFiles, "service-account-key-file", s.ServiceAccounts.KeyFiles, ""+
"File containing PEM-encoded x509 RSA or ECDSA private or public keys, used to verify "+
"ServiceAccount tokens. If unspecified, --tls-private-key-file is used. "+
"The specified file can contain multiple keys, and the flag can be specified multiple times with different files.")
fs.BoolVar(&s.ServiceAccounts.Lookup, "service-account-lookup", s.ServiceAccounts.Lookup,
"If true, validate ServiceAccount tokens exist in etcd as part of authentication.")
}
if s.TokenFile != nil {
fs.StringVar(&s.TokenFile.TokenFile, "token-auth-file", s.TokenFile.TokenFile, ""+
"If set, the file that will be used to secure the secure port of the API server "+
"via token authentication.")
}
if s.WebHook != nil {
fs.StringVar(&s.WebHook.ConfigFile, "authentication-token-webhook-config-file", s.WebHook.ConfigFile, ""+
"File with webhook configuration for token authentication in kubeconfig format. "+
"The API server will query the remote service to determine authentication for bearer tokens.")
fs.DurationVar(&s.WebHook.CacheTTL, "authentication-token-webhook-cache-ttl", s.WebHook.CacheTTL,
"The duration to cache responses from the webhook token authenticator. Default is 2m.")
}
}
func (s *BuiltInAuthenticationOptions) ToAuthenticationConfig(clientCAFile string) authenticator.AuthenticatorConfig {
ret := authenticator.AuthenticatorConfig{
ClientCAFile: clientCAFile,
}
if s.Anonymous != nil {
ret.Anonymous = s.Anonymous.Allow
}
if s.AnyToken != nil {
ret.AnyToken = s.AnyToken.Allow
}
if s.Keystone != nil {
ret.KeystoneURL = s.Keystone.URL
ret.KeystoneCAFile = s.Keystone.CAFile
}
if s.OIDC != nil {
ret.OIDCCAFile = s.OIDC.CAFile
ret.OIDCClientID = s.OIDC.ClientID
ret.OIDCGroupsClaim = s.OIDC.GroupsClaim
ret.OIDCIssuerURL = s.OIDC.IssuerURL
ret.OIDCUsernameClaim = s.OIDC.UsernameClaim
}
if s.PasswordFile != nil {
ret.BasicAuthFile = s.PasswordFile.BasicAuthFile
}
if s.RequestHeader != nil {
ret.RequestHeaderConfig = s.RequestHeader.ToAuthenticationRequestHeaderConfig()
}
if s.ServiceAccounts != nil {
ret.ServiceAccountKeyFiles = s.ServiceAccounts.KeyFiles
ret.ServiceAccountLookup = s.ServiceAccounts.Lookup
}
if s.TokenFile != nil {
ret.TokenAuthFile = s.TokenFile.TokenFile
}
if s.WebHook != nil {
ret.WebhookTokenAuthnConfigFile = s.WebHook.ConfigFile
ret.WebhookTokenAuthnCacheTTL = s.WebHook.CacheTTL
}
return ret
}
type RequestHeaderAuthenticationOptions struct {
UsernameHeaders []string
GroupHeaders []string
ExtraHeaderPrefixes []string
ClientCAFile string
AllowedNames []string
}
func (s *RequestHeaderAuthenticationOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.UsernameHeaders, "requestheader-username-headers", s.UsernameHeaders, ""+
"List of request headers to inspect for usernames. X-Remote-User is common.")
fs.StringSliceVar(&s.GroupHeaders, "requestheader-group-headers", s.GroupHeaders, ""+
"List of request headers to inspect for groups. X-Remote-Group is suggested.")
fs.StringSliceVar(&s.ExtraHeaderPrefixes, "requestheader-extra-headers-prefix", s.ExtraHeaderPrefixes, ""+
"List of request header prefixes to inspect. X-Remote-Extra- is suggested.")
fs.StringVar(&s.ClientCAFile, "requestheader-client-ca-file", s.ClientCAFile, ""+
"Root certificate bundle to use to verify client certificates on incoming requests "+
"before trusting usernames in headers specified by --requestheader-username-headers")
fs.StringSliceVar(&s.AllowedNames, "requestheader-allowed-names", s.AllowedNames, ""+
"List of client certificate common names to allow to provide usernames in headers "+
"specified by --requestheader-username-headers. If empty, any client certificate validated "+
"by the authorities in --requestheader-client-ca-file is allowed.")
}
// ToAuthenticationRequestHeaderConfig returns a RequestHeaderConfig config object for these options
// if necessary, nil otherwise.
func (s *RequestHeaderAuthenticationOptions) ToAuthenticationRequestHeaderConfig() *authenticator.RequestHeaderConfig {
if len(s.UsernameHeaders) == 0 {
return nil
}
return &authenticator.RequestHeaderConfig{
UsernameHeaders: s.UsernameHeaders,
GroupHeaders: s.GroupHeaders,
ExtraHeaderPrefixes: s.ExtraHeaderPrefixes,
ClientCA: s.ClientCAFile,
AllowedClientNames: s.AllowedNames,
}
}
// DelegatingAuthenticationOptions provides an easy way for composing API servers to delegate their authentication to
// the root kube API server
type DelegatingAuthenticationOptions struct {
// RemoteKubeConfigFile is the file to use to connect to a "normal" kube API server which hosts the
// TokenAccessReview.authentication.k8s.io endpoint for checking tokens.
RemoteKubeConfigFile string
// CacheTTL is the length of time that a token authentication answer will be cached.
CacheTTL time.Duration
}
func NewDelegatingAuthenticationOptions() *DelegatingAuthenticationOptions {
return &DelegatingAuthenticationOptions{
CacheTTL: 5 * time.Minute,
}
}
func (s *DelegatingAuthenticationOptions) Validate() []error {
allErrors := []error{}
return allErrors
}
func (s *DelegatingAuthenticationOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.RemoteKubeConfigFile, "authentication-kubeconfig", s.RemoteKubeConfigFile, ""+
"kubeconfig file pointing at the 'core' kubernetes server with enough rights to create "+
" tokenaccessreviews.authentication.k8s.io.")
}
func (s *DelegatingAuthenticationOptions) ToAuthenticationConfig(clientCAFile string) (authenticator.DelegatingAuthenticatorConfig, error) {
tokenClient, err := s.newTokenAccessReview()
if err != nil {
return authenticator.DelegatingAuthenticatorConfig{}, err
}
ret := authenticator.DelegatingAuthenticatorConfig{
Anonymous: true,
TokenAccessReviewClient: tokenClient,
CacheTTL: s.CacheTTL,
ClientCAFile: clientCAFile,
}
return ret, nil
}
func (s *DelegatingAuthenticationOptions) newTokenAccessReview() (authenticationclient.TokenReviewInterface, error) {
if len(s.RemoteKubeConfigFile) == 0 {
return nil, nil
}
loadingRules := &clientcmd.ClientConfigLoadingRules{ExplicitPath: s.RemoteKubeConfigFile}
loader := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{})
clientConfig, err := loader.ClientConfig()
if err != nil {
return nil, err
}
// set high qps/burst limits since this will effectively limit API server responsiveness
clientConfig.QPS = 200
clientConfig.Burst = 400
client, err := authenticationclient.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
return client.TokenReviews(), nil
}

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package options
import (
"strings"
"time"
"github.com/spf13/pflag"
authorizationclient "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5/typed/authorization/v1beta1"
"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
"k8s.io/kubernetes/pkg/controller/informers"
"k8s.io/kubernetes/pkg/genericapiserver/authorizer"
)
var AuthorizationModeChoices = []string{authorizer.ModeAlwaysAllow, authorizer.ModeAlwaysDeny, authorizer.ModeABAC, authorizer.ModeWebhook, authorizer.ModeRBAC}
type BuiltInAuthorizationOptions struct {
Mode string
PolicyFile string
WebhookConfigFile string
WebhookCacheAuthorizedTTL time.Duration
WebhookCacheUnauthorizedTTL time.Duration
RBACSuperUser string
}
func NewBuiltInAuthorizationOptions() *BuiltInAuthorizationOptions {
return &BuiltInAuthorizationOptions{
Mode: authorizer.ModeAlwaysAllow,
WebhookCacheAuthorizedTTL: 5 * time.Minute,
WebhookCacheUnauthorizedTTL: 30 * time.Second,
}
}
func (s *BuiltInAuthorizationOptions) Validate() []error {
allErrors := []error{}
return allErrors
}
func (s *BuiltInAuthorizationOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.Mode, "authorization-mode", s.Mode, ""+
"Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+
strings.Join(AuthorizationModeChoices, ",")+".")
fs.StringVar(&s.PolicyFile, "authorization-policy-file", s.PolicyFile, ""+
"File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.WebhookConfigFile, "authorization-webhook-config-file", s.WebhookConfigFile, ""+
"File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. "+
"The API server will query the remote service to determine access on the API server's secure port.")
fs.DurationVar(&s.WebhookCacheAuthorizedTTL, "authorization-webhook-cache-authorized-ttl",
s.WebhookCacheAuthorizedTTL,
"The duration to cache 'authorized' responses from the webhook authorizer. Default is 5m.")
fs.DurationVar(&s.WebhookCacheUnauthorizedTTL,
"authorization-webhook-cache-unauthorized-ttl", s.WebhookCacheUnauthorizedTTL,
"The duration to cache 'unauthorized' responses from the webhook authorizer. Default is 30s.")
fs.StringVar(&s.RBACSuperUser, "authorization-rbac-super-user", s.RBACSuperUser, ""+
"If specified, a username which avoids RBAC authorization checks and role binding "+
"privilege escalation checks, to be used with --authorization-mode=RBAC.")
}
func (s *BuiltInAuthorizationOptions) ToAuthorizationConfig(informerFactory informers.SharedInformerFactory) authorizer.AuthorizationConfig {
modes := []string{}
if len(s.Mode) > 0 {
modes = strings.Split(s.Mode, ",")
}
return authorizer.AuthorizationConfig{
AuthorizationModes: modes,
PolicyFile: s.PolicyFile,
WebhookConfigFile: s.WebhookConfigFile,
WebhookCacheAuthorizedTTL: s.WebhookCacheAuthorizedTTL,
WebhookCacheUnauthorizedTTL: s.WebhookCacheUnauthorizedTTL,
RBACSuperUser: s.RBACSuperUser,
InformerFactory: informerFactory,
}
}
// DelegatingAuthorizationOptions provides an easy way for composing API servers to delegate their authorization to
// the root kube API server
type DelegatingAuthorizationOptions struct {
// RemoteKubeConfigFile is the file to use to connect to a "normal" kube API server which hosts the
// SubjectAccessReview.authorization.k8s.io endpoint for checking tokens.
RemoteKubeConfigFile string
// AllowCacheTTL is the length of time that a successful authorization response will be cached
AllowCacheTTL time.Duration
// DenyCacheTTL is the length of time that an unsuccessful authorization response will be cached.
// You generally want more responsive, "deny, try again" flows.
DenyCacheTTL time.Duration
}
func NewDelegatingAuthorizationOptions() *DelegatingAuthorizationOptions {
return &DelegatingAuthorizationOptions{
AllowCacheTTL: 5 * time.Minute,
DenyCacheTTL: 30 * time.Second,
}
}
func (s *DelegatingAuthorizationOptions) Validate() []error {
allErrors := []error{}
return allErrors
}
func (s *DelegatingAuthorizationOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.RemoteKubeConfigFile, "authorization-kubeconfig", s.RemoteKubeConfigFile, ""+
"kubeconfig file pointing at the 'core' kubernetes server with enough rights to create "+
" subjectaccessreviews.authorization.k8s.io.")
}
func (s *DelegatingAuthorizationOptions) ToAuthorizationConfig() (authorizer.DelegatingAuthorizerConfig, error) {
sarClient, err := s.newSubjectAccessReview()
if err != nil {
return authorizer.DelegatingAuthorizerConfig{}, err
}
ret := authorizer.DelegatingAuthorizerConfig{
SubjectAccessReviewClient: sarClient,
AllowCacheTTL: s.AllowCacheTTL,
DenyCacheTTL: s.DenyCacheTTL,
}
return ret, nil
}
func (s *DelegatingAuthorizationOptions) newSubjectAccessReview() (authorizationclient.SubjectAccessReviewInterface, error) {
if len(s.RemoteKubeConfigFile) == 0 {
return nil, nil
}
loadingRules := &clientcmd.ClientConfigLoadingRules{ExplicitPath: s.RemoteKubeConfigFile}
loader := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{})
clientConfig, err := loader.ClientConfig()
if err != nil {
return nil, err
}
// set high qps/burst limits since this will effectively limit API server responsiveness
clientConfig.QPS = 200
clientConfig.Burst = 400
client, err := authorizationclient.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
return client.SubjectAccessReviews(), nil
}

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// package options is the public flags and options used by a generic api
// server. It takes a minimal set of dependencies and does not reference
// implementations, in order to ensure it may be reused by multiple components
// (such as CLI commands that wish to generate or validate config).
package options // import "k8s.io/kubernetes/pkg/genericapiserver/options"

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package options
import (
"fmt"
"github.com/spf13/pflag"
"k8s.io/kubernetes/pkg/storage/storagebackend"
)
const (
DefaultEtcdPathPrefix = "/registry"
)
type EtcdOptions struct {
StorageConfig storagebackend.Config
EtcdServersOverrides []string
}
func NewEtcdOptions() *EtcdOptions {
return &EtcdOptions{
StorageConfig: storagebackend.Config{
Prefix: DefaultEtcdPathPrefix,
// Default cache size to 0 - if unset, its size will be set based on target
// memory usage.
DeserializationCacheSize: 0,
},
}
}
func (s *EtcdOptions) Validate() []error {
allErrors := []error{}
if len(s.StorageConfig.ServerList) == 0 {
allErrors = append(allErrors, fmt.Errorf("--etcd-servers must be specified"))
}
return allErrors
}
// AddEtcdFlags adds flags related to etcd storage for a specific APIServer to the specified FlagSet
func (s *EtcdOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, ""+
"Per-resource etcd servers overrides, comma separated. The individual override "+
"format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type,
"The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize,
"Number of deserialized json objects to cache in memory.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList,
"List of etcd servers to connect with (scheme://ip:port), comma separated.")
fs.StringVar(&s.StorageConfig.Prefix, "etcd-prefix", s.StorageConfig.Prefix,
"The prefix for all resource paths in etcd.")
fs.StringVar(&s.StorageConfig.KeyFile, "etcd-keyfile", s.StorageConfig.KeyFile,
"SSL key file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CertFile, "etcd-certfile", s.StorageConfig.CertFile,
"SSL certification file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CAFile, "etcd-cafile", s.StorageConfig.CAFile,
"SSL Certificate Authority file used to secure etcd communication.")
fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum,
"If true, enable quorum read.")
}

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package options
import (
"fmt"
"net"
"strings"
"k8s.io/kubernetes/pkg/admission"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/apimachinery/registered"
"k8s.io/kubernetes/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/util/config"
utilnet "k8s.io/kubernetes/pkg/util/net"
"github.com/spf13/pflag"
)
const (
// TODO: This can be tightened up. It still matches objects named watch or proxy.
DefaultLongRunningRequestRE = "(/|^)((watch|proxy)(/|$)|(logs?|portforward|exec|attach)/?$)"
)
var DefaultServiceNodePortRange = utilnet.PortRange{Base: 30000, Size: 2768}
// ServerRunOptions contains the options while running a generic api server.
type ServerRunOptions struct {
AdmissionControl string
AdmissionControlConfigFile string
AdvertiseAddress net.IP
CloudConfigFile string
CloudProvider string
CorsAllowedOriginList []string
DefaultStorageMediaType string
DeleteCollectionWorkers int
AuditLogPath string
AuditLogMaxAge int
AuditLogMaxBackups int
AuditLogMaxSize int
EnableGarbageCollection bool
EnableProfiling bool
EnableContentionProfiling bool
EnableSwaggerUI bool
EnableWatchCache bool
ExternalHost string
KubernetesServiceNodePort int
LongRunningRequestRE string
MasterCount int
MasterServiceNamespace string
MaxRequestsInFlight int
MinRequestTimeout int
RuntimeConfig config.ConfigurationMap
ServiceClusterIPRange net.IPNet // TODO: make this a list
ServiceNodePortRange utilnet.PortRange
StorageVersions string
// The default values for StorageVersions. StorageVersions overrides
// these; you can change this if you want to change the defaults (e.g.,
// for testing). This is not actually exposed as a flag.
DefaultStorageVersions string
TargetRAMMB int
TLSCAFile string
WatchCacheSizes []string
}
func NewServerRunOptions() *ServerRunOptions {
return &ServerRunOptions{
AdmissionControl: "AlwaysAdmit",
DefaultStorageMediaType: "application/json",
DefaultStorageVersions: registered.AllPreferredGroupVersions(),
DeleteCollectionWorkers: 1,
EnableGarbageCollection: true,
EnableProfiling: true,
EnableContentionProfiling: false,
EnableWatchCache: true,
LongRunningRequestRE: DefaultLongRunningRequestRE,
MasterCount: 1,
MasterServiceNamespace: api.NamespaceDefault,
MaxRequestsInFlight: 400,
MinRequestTimeout: 1800,
RuntimeConfig: make(config.ConfigurationMap),
ServiceNodePortRange: DefaultServiceNodePortRange,
StorageVersions: registered.AllPreferredGroupVersions(),
}
}
func (s *ServerRunOptions) DefaultExternalAddress(secure *SecureServingOptions, insecure *ServingOptions) error {
if s.AdvertiseAddress == nil || s.AdvertiseAddress.IsUnspecified() {
switch {
case secure != nil:
hostIP, err := secure.ServingOptions.DefaultExternalAddress()
if err != nil {
return fmt.Errorf("Unable to find suitable network address.error='%v'. "+
"Try to set the AdvertiseAddress directly or provide a valid BindAddress to fix this.", err)
}
s.AdvertiseAddress = hostIP
case insecure != nil:
hostIP, err := insecure.DefaultExternalAddress()
if err != nil {
return fmt.Errorf("Unable to find suitable network address.error='%v'. "+
"Try to set the AdvertiseAddress directly or provide a valid BindAddress to fix this.", err)
}
s.AdvertiseAddress = hostIP
}
}
return nil
}
// StorageGroupsToEncodingVersion returns a map from group name to group version,
// computed from s.StorageVersions flag.
func (s *ServerRunOptions) StorageGroupsToEncodingVersion() (map[string]schema.GroupVersion, error) {
storageVersionMap := map[string]schema.GroupVersion{}
// First, get the defaults.
if err := mergeGroupVersionIntoMap(s.DefaultStorageVersions, storageVersionMap); err != nil {
return nil, err
}
// Override any defaults with the user settings.
if err := mergeGroupVersionIntoMap(s.StorageVersions, storageVersionMap); err != nil {
return nil, err
}
return storageVersionMap, nil
}
// dest must be a map of group to groupVersion.
func mergeGroupVersionIntoMap(gvList string, dest map[string]schema.GroupVersion) error {
for _, gvString := range strings.Split(gvList, ",") {
if gvString == "" {
continue
}
// We accept two formats. "group/version" OR
// "group=group/version". The latter is used when types
// move between groups.
if !strings.Contains(gvString, "=") {
gv, err := schema.ParseGroupVersion(gvString)
if err != nil {
return err
}
dest[gv.Group] = gv
} else {
parts := strings.SplitN(gvString, "=", 2)
gv, err := schema.ParseGroupVersion(parts[1])
if err != nil {
return err
}
dest[parts[0]] = gv
}
}
return nil
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddUniversalFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, ""+
"Ordered list of plug-ins to do admission control of resources into cluster. "+
"Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", ")+".")
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile,
"File with admission control configuration.")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider,
"The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile,
"The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, ""+
"List of allowed origins for CORS, comma separated. An allowed origin can be a regular "+
"expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.StringVar(&s.DefaultStorageMediaType, "storage-media-type", s.DefaultStorageMediaType, ""+
"The media type to use to store objects in storage. Defaults to application/json. "+
"Some resources may only support a specific media type and will ignore this setting.")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers,
"Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.StringVar(&s.AuditLogPath, "audit-log-path", s.AuditLogPath,
"If set, all requests coming to the apiserver will be logged to this file.")
fs.IntVar(&s.AuditLogMaxAge, "audit-log-maxage", s.AuditLogMaxBackups,
"The maximum number of days to retain old audit log files based on the timestamp encoded in their filename.")
fs.IntVar(&s.AuditLogMaxBackups, "audit-log-maxbackup", s.AuditLogMaxBackups,
"The maximum number of old audit log files to retain.")
fs.IntVar(&s.AuditLogMaxSize, "audit-log-maxsize", s.AuditLogMaxSize,
"The maximum size in megabytes of the audit log file before it gets rotated. Defaults to 100MB.")
fs.BoolVar(&s.EnableGarbageCollection, "enable-garbage-collector", s.EnableGarbageCollection, ""+
"Enables the generic garbage collector. MUST be synced with the corresponding flag "+
"of the kube-controller-manager.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling,
"Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableContentionProfiling, "contention-profiling", s.EnableContentionProfiling,
"Enable contention profiling. Requires --profiling to be set to work.")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI,
"Enables swagger ui on the apiserver at /swagger-ui")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache,
"Enable watch caching in the apiserver")
fs.IntVar(&s.TargetRAMMB, "target-ram-mb", s.TargetRAMMB,
"Memory limit for apiserver in MB (used to configure sizes of caches, etc.)")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost,
"The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs).")
// See #14282 for details on how to test/try this option out.
// TODO: remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, ""+
"If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be "+
"of type NodePort, using this as the value of the port. If zero, the Kubernetes master "+
"service will be of type ClusterIP.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", s.LongRunningRequestRE, ""+
"A regular expression matching long running requests which should "+
"be excluded from maximum inflight request handling.")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount,
"The number of apiservers running in the cluster.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, ""+
"DEPRECATED: the namespace from which the kubernetes master services should be injected into pods.")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", s.MaxRequestsInFlight, ""+
"The maximum number of requests in flight at a given time. When the server exceeds this, "+
"it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, ""+
"An optional field indicating the minimum number of seconds a handler must keep "+
"a request open before timing it out. Currently only honored by the watch request "+
"handler, which picks a randomized value above this number as the connection timeout, "+
"to spread out load.")
fs.Var(&s.RuntimeConfig, "runtime-config", ""+
"A set of key=value pairs that describe runtime configuration that may be passed "+
"to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. "+
"apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and "+
"api/legacy are special keys to control all and legacy api versions respectively.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, ""+
"A CIDR notation IP range from which to assign service cluster IPs. This must not "+
"overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange,
"DEPRECATED: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", ""+
"A port range to reserve for services with NodePort visibility. "+
"Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "DEPRECATED: see --service-node-port-range instead")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead")
deprecatedStorageVersion := ""
fs.StringVar(&deprecatedStorageVersion, "storage-version", deprecatedStorageVersion,
"DEPRECATED: the version to store the legacy v1 resources with. Defaults to server preferred.")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API "+
"is retired. Setting this has no effect. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, ""+
"The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, "+
"you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, "+
"which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, ""+
"List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. "+
"The individual override format: resource#size, where size is a number. It takes effect "+
"when watch-cache is enabled.")
config.DefaultFeatureGate.AddFlag(fs)
}

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@ -0,0 +1,237 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package options
import (
"errors"
"fmt"
"net"
"strconv"
"github.com/spf13/pflag"
"k8s.io/kubernetes/pkg/client/restclient"
"k8s.io/kubernetes/pkg/util/config"
utilnet "k8s.io/kubernetes/pkg/util/net"
)
type ServingOptions struct {
BindAddress net.IP
BindPort int
}
type SecureServingOptions struct {
ServingOptions ServingOptions
// ServerCert is the TLS cert info for serving secure traffic
ServerCert GeneratableKeyCert
// SNICertKeys are named CertKeys for serving secure traffic with SNI support.
SNICertKeys []config.NamedCertKey
// ClientCA is the certificate bundle for all the signers that you'll recognize for incoming client certificates
ClientCA string
// ServerCA is the certificate bundle for the signer of your serving certificate. Used for building a loopback
// connection to the API server for admission.
ServerCA string
}
type CertKey struct {
// CertFile is a file containing a PEM-encoded certificate
CertFile string
// KeyFile is a file containing a PEM-encoded private key for the certificate specified by CertFile
KeyFile string
}
type GeneratableKeyCert struct {
CertKey CertKey
// CertDirectory is a directory that will contain the certificates. If the cert and key aren't specifically set
// this will be used to derive a match with the "pair-name"
CertDirectory string
// PairName is the name which will be used with CertDirectory to make a cert and key names
// It becomes CertDirector/PairName.crt and CertDirector/PairName.key
PairName string
}
func NewSecureServingOptions() *SecureServingOptions {
return &SecureServingOptions{
ServingOptions: ServingOptions{
BindAddress: net.ParseIP("0.0.0.0"),
BindPort: 6443,
},
ServerCert: GeneratableKeyCert{
PairName: "apiserver",
CertDirectory: "/var/run/kubernetes",
},
}
}
func (s *SecureServingOptions) NewSelfClientConfig(token string) *restclient.Config {
if s == nil || s.ServingOptions.BindPort <= 0 || len(s.ServerCA) == 0 {
return nil
}
clientConfig := &restclient.Config{
// Increase QPS limits. The client is currently passed to all admission plugins,
// and those can be throttled in case of higher load on apiserver - see #22340 and #22422
// for more details. Once #22422 is fixed, we may want to remove it.
QPS: 50,
Burst: 100,
}
// Use secure port if the ServerCA is specified
host := s.ServingOptions.BindAddress.String()
if host == "0.0.0.0" {
host = "localhost"
}
clientConfig.Host = "https://" + net.JoinHostPort(host, strconv.Itoa(s.ServingOptions.BindPort))
clientConfig.CAFile = s.ServerCA
clientConfig.BearerToken = token
return clientConfig
}
func (s *SecureServingOptions) Validate() []error {
errors := []error{}
if s == nil {
return errors
}
errors = append(errors, s.ServingOptions.Validate("secure-port")...)
return errors
}
func (s *SecureServingOptions) AddFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.ServingOptions.BindAddress, "bind-address", s.ServingOptions.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.IntVar(&s.ServingOptions.BindPort, "secure-port", s.ServingOptions.BindPort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.StringVar(&s.ServerCert.CertDirectory, "cert-dir", s.ServerCert.CertDirectory, ""+
"The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.ServerCert.CertKey.CertFile, "tls-cert-file", s.ServerCert.CertKey.CertFile, ""+
"File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated "+
"after server cert). If HTTPS serving is enabled, and --tls-cert-file and "+
"--tls-private-key-file are not provided, a self-signed certificate and key "+
"are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.ServerCert.CertKey.KeyFile, "tls-private-key-file", s.ServerCert.CertKey.KeyFile,
"File containing the default x509 private key matching --tls-cert-file.")
fs.Var(config.NewNamedCertKeyArray(&s.SNICertKeys), "tls-sni-cert-key", ""+
"A pair of x509 certificate and private key file paths, optionally suffixed with a list of "+
"domain patterns which are fully qualified domain names, possibly with prefixed wildcard "+
"segments. If no domain patterns are provided, the names of the certificate are "+
"extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns "+
"trump over extracted names. For multiple key/certificate pairs, use the "+
"--tls-sni-cert-key multiple times. "+
"Examples: \"example.key,example.crt\" or \"*.foo.com,foo.com:foo.key,foo.crt\".")
fs.StringVar(&s.ClientCA, "client-ca-file", s.ClientCA, ""+
"If set, any request presenting a client certificate signed by one of "+
"the authorities in the client-ca-file is authenticated with an identity "+
"corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.ServerCA, "tls-ca-file", s.ServerCA, "If set, this "+
"certificate authority will used for secure access from Admission "+
"Controllers. This must be a valid PEM-encoded CA bundle.")
}
func (s *SecureServingOptions) AddDeprecatedFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.ServingOptions.BindAddress, "public-address-override", s.ServingOptions.BindAddress,
"DEPRECATED: see --bind-address instead.")
fs.MarkDeprecated("public-address-override", "see --bind-address instead.")
}
func NewInsecureServingOptions() *ServingOptions {
return &ServingOptions{
BindAddress: net.ParseIP("127.0.0.1"),
BindPort: 8080,
}
}
func (s ServingOptions) Validate(portArg string) []error {
errors := []error{}
if s.BindPort < 0 || s.BindPort > 65535 {
errors = append(errors, fmt.Errorf("--%v %v must be between 0 and 65535, inclusive. 0 for turning off secure port.", portArg, s.BindPort))
}
return errors
}
func (s *ServingOptions) NewSelfClientConfig(token string) *restclient.Config {
if s == nil || s.BindPort <= 0 {
return nil
}
clientConfig := &restclient.Config{
// Increase QPS limits. The client is currently passed to all admission plugins,
// and those can be throttled in case of higher load on apiserver - see #22340 and #22422
// for more details. Once #22422 is fixed, we may want to remove it.
QPS: 50,
Burst: 100,
}
clientConfig.Host = net.JoinHostPort(s.BindAddress.String(), strconv.Itoa(s.BindPort))
return clientConfig
}
func (s *ServingOptions) DefaultExternalAddress() (net.IP, error) {
return utilnet.ChooseBindAddress(s.BindAddress)
}
func (s *ServingOptions) AddFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.BindAddress, "insecure-bind-address", s.BindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IntVar(&s.BindPort, "insecure-port", s.BindPort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
}
func (s *ServingOptions) AddDeprecatedFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.BindAddress, "address", s.BindAddress,
"DEPRECATED: see --insecure-bind-address instead.")
fs.MarkDeprecated("address", "see --insecure-bind-address instead.")
fs.IntVar(&s.BindPort, "port", s.BindPort, "DEPRECATED: see --insecure-port instead.")
fs.MarkDeprecated("port", "see --insecure-port instead.")
}
// Returns a clientconfig which can be used to talk to this apiserver.
func NewSelfClientConfig(secureServingOptions *SecureServingOptions, insecureServingOptions *ServingOptions, token string) (*restclient.Config, error) {
if cfg := secureServingOptions.NewSelfClientConfig(token); cfg != nil {
return cfg, nil
}
if cfg := insecureServingOptions.NewSelfClientConfig(token); cfg != nil {
return cfg, nil
}
return nil, errors.New("Unable to set url for apiserver local client")
}