rebase: bump k8s.io/kubernetes from 1.26.2 to 1.27.2

Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2.
- [Release notes](https://github.com/kubernetes/kubernetes/releases)
- [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2)

---
updated-dependencies:
- dependency-name: k8s.io/kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
This commit is contained in:
dependabot[bot]
2023-05-29 21:03:29 +00:00
committed by mergify[bot]
parent 0e79135419
commit 07b05616a0
1072 changed files with 208716 additions and 198880 deletions

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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 clientbuilder
import (
"k8s.io/client-go/discovery"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/klog/v2"
)
// ControllerClientBuilder allows you to get clients and configs for controllers
// Please note a copy also exists in staging/src/k8s.io/cloud-provider/cloud.go
// TODO: Extract this into a separate controller utilities repo (issues/68947)
type ControllerClientBuilder interface {
Config(name string) (*restclient.Config, error)
ConfigOrDie(name string) *restclient.Config
Client(name string) (clientset.Interface, error)
ClientOrDie(name string) clientset.Interface
DiscoveryClient(name string) (discovery.DiscoveryInterface, error)
DiscoveryClientOrDie(name string) discovery.DiscoveryInterface
}
// SimpleControllerClientBuilder returns a fixed client with different user agents
type SimpleControllerClientBuilder struct {
// ClientConfig is a skeleton config to clone and use as the basis for each controller client
ClientConfig *restclient.Config
}
// Config returns a client config for a fixed client
func (b SimpleControllerClientBuilder) Config(name string) (*restclient.Config, error) {
clientConfig := *b.ClientConfig
return restclient.AddUserAgent(&clientConfig, name), nil
}
// ConfigOrDie returns a client config if no error from previous config func.
// If it gets an error getting the client, it will log the error and kill the process it's running in.
func (b SimpleControllerClientBuilder) ConfigOrDie(name string) *restclient.Config {
clientConfig, err := b.Config(name)
if err != nil {
klog.Fatal(err)
}
return clientConfig
}
// Client returns a clientset.Interface built from the ClientBuilder
func (b SimpleControllerClientBuilder) Client(name string) (clientset.Interface, error) {
clientConfig, err := b.Config(name)
if err != nil {
return nil, err
}
return clientset.NewForConfig(clientConfig)
}
// ClientOrDie returns a clientset.interface built from the ClientBuilder with no error.
// If it gets an error getting the client, it will log the error and kill the process it's running in.
func (b SimpleControllerClientBuilder) ClientOrDie(name string) clientset.Interface {
client, err := b.Client(name)
if err != nil {
klog.Fatal(err)
}
return client
}
// DiscoveryClient returns a discovery.DiscoveryInterface built from the ClientBuilder
// Discovery is special because it will artificially pump the burst quite high to handle the many discovery requests.
func (b SimpleControllerClientBuilder) DiscoveryClient(name string) (discovery.DiscoveryInterface, error) {
clientConfig, err := b.Config(name)
if err != nil {
return nil, err
}
// Discovery makes a lot of requests infrequently. This allows the burst to succeed and refill to happen
// in just a few seconds.
clientConfig.Burst = 200
clientConfig.QPS = 20
return clientset.NewForConfig(clientConfig)
}
// DiscoveryClientOrDie returns a discovery.DiscoveryInterface built from the ClientBuilder with no error.
// Discovery is special because it will artificially pump the burst quite high to handle the many discovery requests.
// If it gets an error getting the client, it will log the error and kill the process it's running in.
func (b SimpleControllerClientBuilder) DiscoveryClientOrDie(name string) discovery.DiscoveryInterface {
client, err := b.DiscoveryClient(name)
if err != nil {
klog.Fatal(err)
}
return client
}

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/*
Copyright 2018 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 clientbuilder
import (
"context"
"fmt"
"net/http"
"sync"
"time"
"golang.org/x/oauth2"
v1authenticationapi "k8s.io/api/authentication/v1"
v1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
apiserverserviceaccount "k8s.io/apiserver/pkg/authentication/serviceaccount"
"k8s.io/client-go/discovery"
clientset "k8s.io/client-go/kubernetes"
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/transport"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
utilpointer "k8s.io/utils/pointer"
)
var (
// defaultExpirationSeconds defines the duration of a TokenRequest in seconds.
defaultExpirationSeconds = int64(3600)
// defaultLeewayPercent defines the percentage of expiration left before the client trigger a token rotation.
// range[0, 100]
defaultLeewayPercent = 20
)
type DynamicControllerClientBuilder struct {
// ClientConfig is a skeleton config to clone and use as the basis for each controller client
ClientConfig *restclient.Config
// CoreClient is used to provision service accounts if needed and watch for their associated tokens
// to construct a controller client
CoreClient v1core.CoreV1Interface
// Namespace is the namespace used to host the service accounts that will back the
// controllers. It must be highly privileged namespace which normal users cannot inspect.
Namespace string
// roundTripperFuncMap is a cache stores the corresponding roundtripper func for each
// service account
roundTripperFuncMap map[string]func(http.RoundTripper) http.RoundTripper
// expirationSeconds defines the token expiration seconds
expirationSeconds int64
// leewayPercent defines the percentage of expiration left before the client trigger a token rotation.
leewayPercent int
mutex sync.Mutex
clock clock.Clock
}
// NewDynamicClientBuilder returns client builder which uses TokenRequest feature and refresh service account token periodically
func NewDynamicClientBuilder(clientConfig *restclient.Config, coreClient v1core.CoreV1Interface, ns string) ControllerClientBuilder {
builder := &DynamicControllerClientBuilder{
ClientConfig: clientConfig,
CoreClient: coreClient,
Namespace: ns,
roundTripperFuncMap: map[string]func(http.RoundTripper) http.RoundTripper{},
expirationSeconds: defaultExpirationSeconds,
leewayPercent: defaultLeewayPercent,
clock: clock.RealClock{},
}
return builder
}
// this function only for test purpose, don't call it
func NewTestDynamicClientBuilder(clientConfig *restclient.Config, coreClient v1core.CoreV1Interface, ns string, expirationSeconds int64, leewayPercent int) ControllerClientBuilder {
builder := &DynamicControllerClientBuilder{
ClientConfig: clientConfig,
CoreClient: coreClient,
Namespace: ns,
roundTripperFuncMap: map[string]func(http.RoundTripper) http.RoundTripper{},
expirationSeconds: expirationSeconds,
leewayPercent: leewayPercent,
clock: clock.RealClock{},
}
return builder
}
func (t *DynamicControllerClientBuilder) Config(saName string) (*restclient.Config, error) {
_, err := getOrCreateServiceAccount(t.CoreClient, t.Namespace, saName)
if err != nil {
return nil, err
}
configCopy := constructClient(t.Namespace, saName, t.ClientConfig)
t.mutex.Lock()
defer t.mutex.Unlock()
rt, ok := t.roundTripperFuncMap[saName]
if ok {
configCopy.Wrap(rt)
} else {
cachedTokenSource := transport.NewCachedTokenSource(&tokenSourceImpl{
namespace: t.Namespace,
serviceAccountName: saName,
coreClient: t.CoreClient,
expirationSeconds: t.expirationSeconds,
leewayPercent: t.leewayPercent,
})
configCopy.Wrap(transport.ResettableTokenSourceWrapTransport(cachedTokenSource))
t.roundTripperFuncMap[saName] = configCopy.WrapTransport
}
return &configCopy, nil
}
func (t *DynamicControllerClientBuilder) ConfigOrDie(name string) *restclient.Config {
clientConfig, err := t.Config(name)
if err != nil {
klog.Fatal(err)
}
return clientConfig
}
func (t *DynamicControllerClientBuilder) Client(name string) (clientset.Interface, error) {
clientConfig, err := t.Config(name)
if err != nil {
return nil, err
}
return clientset.NewForConfig(clientConfig)
}
func (t *DynamicControllerClientBuilder) ClientOrDie(name string) clientset.Interface {
client, err := t.Client(name)
if err != nil {
klog.Fatal(err)
}
return client
}
func (t *DynamicControllerClientBuilder) DiscoveryClient(name string) (discovery.DiscoveryInterface, error) {
clientConfig, err := t.Config(name)
if err != nil {
return nil, err
}
// Discovery makes a lot of requests infrequently. This allows the burst to succeed and refill to happen
// in just a few seconds.
clientConfig.Burst = 200
clientConfig.QPS = 20
return clientset.NewForConfig(clientConfig)
}
func (t *DynamicControllerClientBuilder) DiscoveryClientOrDie(name string) discovery.DiscoveryInterface {
client, err := t.DiscoveryClient(name)
if err != nil {
klog.Fatal(err)
}
return client
}
type tokenSourceImpl struct {
namespace string
serviceAccountName string
coreClient v1core.CoreV1Interface
expirationSeconds int64
leewayPercent int
}
func (ts *tokenSourceImpl) Token() (*oauth2.Token, error) {
var retTokenRequest *v1authenticationapi.TokenRequest
backoff := wait.Backoff{
Duration: 500 * time.Millisecond,
Factor: 2, // double the timeout for every failure
Steps: 4,
}
if err := wait.ExponentialBackoff(backoff, func() (bool, error) {
if _, inErr := getOrCreateServiceAccount(ts.coreClient, ts.namespace, ts.serviceAccountName); inErr != nil {
klog.Warningf("get or create service account failed: %v", inErr)
return false, nil
}
tr, inErr := ts.coreClient.ServiceAccounts(ts.namespace).CreateToken(context.TODO(), ts.serviceAccountName, &v1authenticationapi.TokenRequest{
Spec: v1authenticationapi.TokenRequestSpec{
ExpirationSeconds: utilpointer.Int64Ptr(ts.expirationSeconds),
},
}, metav1.CreateOptions{})
if inErr != nil {
klog.Warningf("get token failed: %v", inErr)
return false, nil
}
retTokenRequest = tr
return true, nil
}); err != nil {
return nil, fmt.Errorf("failed to get token for %s/%s: %v", ts.namespace, ts.serviceAccountName, err)
}
if retTokenRequest.Spec.ExpirationSeconds == nil {
return nil, fmt.Errorf("nil pointer of expiration in token request")
}
lifetime := retTokenRequest.Status.ExpirationTimestamp.Time.Sub(time.Now())
if lifetime < time.Minute*10 {
// possible clock skew issue, pin to minimum token lifetime
lifetime = time.Minute * 10
}
leeway := time.Duration(int64(lifetime) * int64(ts.leewayPercent) / 100)
expiry := time.Now().Add(lifetime).Add(-1 * leeway)
return &oauth2.Token{
AccessToken: retTokenRequest.Status.Token,
TokenType: "Bearer",
Expiry: expiry,
}, nil
}
func constructClient(saNamespace, saName string, config *restclient.Config) restclient.Config {
username := apiserverserviceaccount.MakeUsername(saNamespace, saName)
// make a shallow copy
// the caller already castrated the config during creation
// this allows for potential extensions in the future
// for example it preserve HTTP wrappers for custom behavior per request
ret := *config
restclient.AddUserAgent(&ret, username)
return ret
}
func getOrCreateServiceAccount(coreClient v1core.CoreV1Interface, namespace, name string) (*v1.ServiceAccount, error) {
sa, err := coreClient.ServiceAccounts(namespace).Get(context.TODO(), name, metav1.GetOptions{})
if err == nil {
return sa, nil
}
if !apierrors.IsNotFound(err) {
return nil, err
}
// Create the namespace if we can't verify it exists.
// Tolerate errors, since we don't know whether this component has namespace creation permissions.
if _, err := coreClient.Namespaces().Get(context.TODO(), namespace, metav1.GetOptions{}); apierrors.IsNotFound(err) {
if _, err = coreClient.Namespaces().Create(context.TODO(), &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace}}, metav1.CreateOptions{}); err != nil && !apierrors.IsAlreadyExists(err) {
klog.Warningf("create non-exist namespace %s failed:%v", namespace, err)
}
}
// Create the service account
sa, err = coreClient.ServiceAccounts(namespace).Create(context.TODO(), &v1.ServiceAccount{ObjectMeta: metav1.ObjectMeta{Namespace: namespace, Name: name}}, metav1.CreateOptions{})
if apierrors.IsAlreadyExists(err) {
// If we're racing to init and someone else already created it, re-fetch
return coreClient.ServiceAccounts(namespace).Get(context.TODO(), name, metav1.GetOptions{})
}
return sa, err
}