mirror of https://github.com/kubernetes/kops.git
76 lines
2.1 KiB
Go
76 lines
2.1 KiB
Go
/*
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Copyright 2019 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 components
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import (
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"strings"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/featureflag"
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"k8s.io/kops/pkg/model/iam"
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"k8s.io/kops/upup/pkg/fi/loader"
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)
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// DiscoveryOptionsBuilder adds options for identity discovery to the model (mostly kube-apiserver)
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type DiscoveryOptionsBuilder struct {
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*OptionsContext
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}
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var _ loader.OptionsBuilder = &DiscoveryOptionsBuilder{}
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func (b *DiscoveryOptionsBuilder) BuildOptions(o interface{}) error {
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clusterSpec := o.(*kops.ClusterSpec)
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useJWKS := featureflag.PublicJWKS.Enabled()
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if !useJWKS && b.IsKubernetesLT("1.20") {
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return nil
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}
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if clusterSpec.KubeAPIServer == nil {
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clusterSpec.KubeAPIServer = &kops.KubeAPIServerConfig{}
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}
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kubeAPIServer := clusterSpec.KubeAPIServer
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if len(kubeAPIServer.APIAudiences) == 0 {
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kubeAPIServer.APIAudiences = []string{"kubernetes.svc.default"}
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}
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if kubeAPIServer.ServiceAccountIssuer == nil {
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serviceAccountIssuer := iam.ServiceAccountIssuer(b.ClusterName, clusterSpec)
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kubeAPIServer.ServiceAccountIssuer = &serviceAccountIssuer
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}
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// We set apiserver ServiceAccountKey and ServiceAccountSigningKeyFile in nodeup
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if useJWKS {
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if kubeAPIServer.FeatureGates == nil {
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kubeAPIServer.FeatureGates = make(map[string]string)
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}
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kubeAPIServer.FeatureGates["ServiceAccountIssuerDiscovery"] = "true"
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if kubeAPIServer.ServiceAccountJWKSURI == nil {
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jwksURL := *kubeAPIServer.ServiceAccountIssuer
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jwksURL = strings.TrimSuffix(jwksURL, "/") + "/openid/v1/jwks"
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kubeAPIServer.ServiceAccountJWKSURI = &jwksURL
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}
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}
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return nil
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}
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