mirror of
https://github.com/ceph/ceph-csi.git
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07b05616a0
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>
82 lines
2.8 KiB
Go
82 lines
2.8 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package options
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import (
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"fmt"
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"github.com/google/uuid"
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"k8s.io/apiserver/pkg/server"
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"k8s.io/apiserver/pkg/server/dynamiccertificates"
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"k8s.io/client-go/rest"
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certutil "k8s.io/client-go/util/cert"
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)
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type SecureServingOptionsWithLoopback struct {
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*SecureServingOptions
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}
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func (o *SecureServingOptions) WithLoopback() *SecureServingOptionsWithLoopback {
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return &SecureServingOptionsWithLoopback{o}
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}
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// ApplyTo fills up serving information in the server configuration.
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func (s *SecureServingOptionsWithLoopback) ApplyTo(secureServingInfo **server.SecureServingInfo, loopbackClientConfig **rest.Config) error {
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if s == nil || s.SecureServingOptions == nil || secureServingInfo == nil {
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return nil
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}
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if err := s.SecureServingOptions.ApplyTo(secureServingInfo); err != nil {
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return err
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}
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if *secureServingInfo == nil || loopbackClientConfig == nil {
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return nil
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}
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// create self-signed cert+key with the fake server.LoopbackClientServerNameOverride and
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// let the server return it when the loopback client connects.
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certPem, keyPem, err := certutil.GenerateSelfSignedCertKey(server.LoopbackClientServerNameOverride, nil, nil)
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if err != nil {
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return fmt.Errorf("failed to generate self-signed certificate for loopback connection: %v", err)
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}
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certProvider, err := dynamiccertificates.NewStaticSNICertKeyContent("self-signed loopback", certPem, keyPem, server.LoopbackClientServerNameOverride)
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if err != nil {
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return fmt.Errorf("failed to generate self-signed certificate for loopback connection: %v", err)
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}
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// Write to the front of SNICerts so that this overrides any other certs with the same name
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(*secureServingInfo).SNICerts = append([]dynamiccertificates.SNICertKeyContentProvider{certProvider}, (*secureServingInfo).SNICerts...)
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secureLoopbackClientConfig, err := (*secureServingInfo).NewLoopbackClientConfig(uuid.New().String(), certPem)
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switch {
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// if we failed and there's no fallback loopback client config, we need to fail
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case err != nil && *loopbackClientConfig == nil:
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(*secureServingInfo).SNICerts = (*secureServingInfo).SNICerts[1:]
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return err
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// if we failed, but we already have a fallback loopback client config (usually insecure), allow it
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case err != nil && *loopbackClientConfig != nil:
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default:
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*loopbackClientConfig = secureLoopbackClientConfig
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}
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return nil
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}
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