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rebase: update kubernetes to v1.20.0

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updated kubernetes packages to latest
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2020-12-17 17:58:29 +05:30
committed by mergify[bot]
parent 4abe128bd8
commit 83559144b1
1624 changed files with 247222 additions and 160270 deletions
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2
vendor/k8s.io/apiserver/pkg/util/webhook/authentication.go generated vendored
View File

@ -55,7 +55,7 @@ func NewDefaultAuthenticationInfoResolverWrapper(
}
if egressSelector != nil {
networkContext := egressselector.Master.AsNetworkContext()
networkContext := egressselector.ControlPlane.AsNetworkContext()
var egressDialer utilnet.DialFunc
egressDialer, err = egressSelector.Lookup(networkContext)

75
vendor/k8s.io/apiserver/pkg/util/webhook/webhook.go generated vendored
View File

@ -26,7 +26,6 @@ import (
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apimachinery/pkg/util/net"
utilnet "k8s.io/apimachinery/pkg/util/net"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/rest"
@ -37,12 +36,23 @@ import (
// timeout of the HTTP request, including reading the response body.
const defaultRequestTimeout = 30 * time.Second
// DefaultRetryBackoffWithInitialDelay returns the default backoff parameters for webhook retry from a given initial delay.
// Handy for the client that provides a custom initial delay only.
func DefaultRetryBackoffWithInitialDelay(initialBackoffDelay time.Duration) wait.Backoff {
return wait.Backoff{
Duration: initialBackoffDelay,
Factor: 1.5,
Jitter: 0.2,
Steps: 5,
}
}
// GenericWebhook defines a generic client for webhooks with commonly used capabilities,
// such as retry requests.
type GenericWebhook struct {
RestClient *rest.RESTClient
InitialBackoff time.Duration
ShouldRetry func(error) bool
RestClient *rest.RESTClient
RetryBackoff wait.Backoff
ShouldRetry func(error) bool
}
// DefaultShouldRetry is a default implementation for the GenericWebhook ShouldRetry function property.
@ -51,7 +61,7 @@ type GenericWebhook struct {
// Otherwise it returns false for an immediate fail.
func DefaultShouldRetry(err error) bool {
// these errors indicate a transient error that should be retried.
if net.IsConnectionReset(err) || apierrors.IsInternalError(err) || apierrors.IsTimeout(err) || apierrors.IsTooManyRequests(err) {
if utilnet.IsConnectionReset(err) || apierrors.IsInternalError(err) || apierrors.IsTimeout(err) || apierrors.IsTooManyRequests(err) {
return true
}
// if the error sends the Retry-After header, we respect it as an explicit confirmation we should retry.
@ -62,11 +72,11 @@ func DefaultShouldRetry(err error) bool {
}
// NewGenericWebhook creates a new GenericWebhook from the provided kubeconfig file.
func NewGenericWebhook(scheme *runtime.Scheme, codecFactory serializer.CodecFactory, kubeConfigFile string, groupVersions []schema.GroupVersion, initialBackoff time.Duration, customDial utilnet.DialFunc) (*GenericWebhook, error) {
return newGenericWebhook(scheme, codecFactory, kubeConfigFile, groupVersions, initialBackoff, defaultRequestTimeout, customDial)
func NewGenericWebhook(scheme *runtime.Scheme, codecFactory serializer.CodecFactory, kubeConfigFile string, groupVersions []schema.GroupVersion, retryBackoff wait.Backoff, customDial utilnet.DialFunc) (*GenericWebhook, error) {
return newGenericWebhook(scheme, codecFactory, kubeConfigFile, groupVersions, retryBackoff, defaultRequestTimeout, customDial)
}
func newGenericWebhook(scheme *runtime.Scheme, codecFactory serializer.CodecFactory, kubeConfigFile string, groupVersions []schema.GroupVersion, initialBackoff, requestTimeout time.Duration, customDial utilnet.DialFunc) (*GenericWebhook, error) {
func newGenericWebhook(scheme *runtime.Scheme, codecFactory serializer.CodecFactory, kubeConfigFile string, groupVersions []schema.GroupVersion, retryBackoff wait.Backoff, requestTimeout time.Duration, customDial utilnet.DialFunc) (*GenericWebhook, error) {
for _, groupVersion := range groupVersions {
if !scheme.IsVersionRegistered(groupVersion) {
return nil, fmt.Errorf("webhook plugin requires enabling extension resource: %s", groupVersion)
@ -103,19 +113,20 @@ func newGenericWebhook(scheme *runtime.Scheme, codecFactory serializer.CodecFact
return nil, err
}
return &GenericWebhook{restClient, initialBackoff, DefaultShouldRetry}, nil
return &GenericWebhook{restClient, retryBackoff, DefaultShouldRetry}, nil
}
// WithExponentialBackoff will retry webhookFn() up to 5 times with exponentially increasing backoff when
// it returns an error for which this GenericWebhook's ShouldRetry function returns true, confirming it to
// be retriable. If no ShouldRetry has been defined for the webhook, then the default one is used (DefaultShouldRetry).
// WithExponentialBackoff will retry webhookFn() as specified by the given backoff parameters with exponentially
// increasing backoff when it returns an error for which this GenericWebhook's ShouldRetry function returns true,
// confirming it to be retriable. If no ShouldRetry has been defined for the webhook,
// then the default one is used (DefaultShouldRetry).
func (g *GenericWebhook) WithExponentialBackoff(ctx context.Context, webhookFn func() rest.Result) rest.Result {
var result rest.Result
shouldRetry := g.ShouldRetry
if shouldRetry == nil {
shouldRetry = DefaultShouldRetry
}
WithExponentialBackoff(ctx, g.InitialBackoff, func() error {
WithExponentialBackoff(ctx, g.RetryBackoff, func() error {
result = webhookFn()
return result.Error()
}, shouldRetry)
@ -124,28 +135,28 @@ func (g *GenericWebhook) WithExponentialBackoff(ctx context.Context, webhookFn f
// WithExponentialBackoff will retry webhookFn up to 5 times with exponentially increasing backoff when
// it returns an error for which shouldRetry returns true, confirming it to be retriable.
func WithExponentialBackoff(ctx context.Context, initialBackoff time.Duration, webhookFn func() error, shouldRetry func(error) bool) error {
backoff := wait.Backoff{
Duration: initialBackoff,
Factor: 1.5,
Jitter: 0.2,
Steps: 5,
}
var err error
wait.ExponentialBackoff(backoff, func() (bool, error) {
err = webhookFn()
if ctx.Err() != nil {
// we timed out or were cancelled, we should not retry
return true, err
}
if shouldRetry(err) {
func WithExponentialBackoff(ctx context.Context, retryBackoff wait.Backoff, webhookFn func() error, shouldRetry func(error) bool) error {
// having a webhook error allows us to track the last actual webhook error for requests that
// are later cancelled or time out.
var webhookErr error
err := wait.ExponentialBackoffWithContext(ctx, retryBackoff, func() (bool, error) {
webhookErr = webhookFn()
if shouldRetry(webhookErr) {
return false, nil
}
if err != nil {
return false, err
if webhookErr != nil {
return false, webhookErr
}
return true, nil
})
return err
switch {
// we check for webhookErr first, if webhookErr is set it's the most important error to return.
case webhookErr != nil:
return webhookErr
case err != nil:
return fmt.Errorf("webhook call failed: %s", err.Error())
default:
return nil
}
}