/
applier.go
62 lines (56 loc) · 2.31 KB
/
applier.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 oidc
import (
"github.com/gardener/gardener/pkg/apis/core"
settingsv1alpha1 "github.com/gardener/gardener/pkg/apis/settings/v1alpha1"
"github.com/gardener/gardener/pkg/utils/version"
)
// ApplyOIDCConfiguration applies preset OpenID Connect configuration to the shoot.
func ApplyOIDCConfiguration(shoot *core.Shoot, preset *settingsv1alpha1.OpenIDConnectPresetSpec) {
if shoot == nil || preset == nil {
return
}
useRequiredClaims, err := version.CheckVersionMeetsConstraint(shoot.Spec.Kubernetes.Version, ">= 1.11")
if err != nil {
// Don't mutate the resource anymore, because the version is invalid
// and it'll be caught by validation.
return
}
var client *core.OpenIDConnectClientAuthentication
if preset.Client != nil {
client = &core.OpenIDConnectClientAuthentication{
Secret: preset.Client.Secret,
ExtraConfig: preset.Client.ExtraConfig,
}
}
oidc := &core.OIDCConfig{
CABundle: preset.Server.CABundle,
ClientID: &preset.Server.ClientID,
GroupsClaim: preset.Server.GroupsClaim,
GroupsPrefix: preset.Server.GroupsPrefix,
IssuerURL: &preset.Server.IssuerURL,
SigningAlgs: preset.Server.SigningAlgs,
UsernameClaim: preset.Server.UsernameClaim,
UsernamePrefix: preset.Server.UsernamePrefix,
ClientAuthentication: client,
}
if useRequiredClaims {
oidc.RequiredClaims = preset.Server.RequiredClaims
}
if shoot.Spec.Kubernetes.KubeAPIServer == nil {
shoot.Spec.Kubernetes.KubeAPIServer = &core.KubeAPIServerConfig{}
}
shoot.Spec.Kubernetes.KubeAPIServer.OIDCConfig = oidc
}