81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
/*
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Copyright 2017 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 v1alpha1
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import (
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"k8s.io/apimachinery/pkg/conversion"
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"k8s.io/apimachinery/pkg/runtime/schema"
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api "k8s.io/kubernetes/pkg/apis/rbac"
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)
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// allAuthenticated matches k8s.io/apiserver/pkg/authentication/user.AllAuthenticated,
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// but we don't want an client library (which must include types), depending on a server library
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const allAuthenticated = "system:authenticated"
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func Convert_v1alpha1_Subject_To_rbac_Subject(in *Subject, out *api.Subject, s conversion.Scope) error {
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if err := autoConvert_v1alpha1_Subject_To_rbac_Subject(in, out, s); err != nil {
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return err
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}
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// specifically set the APIGroup for the three subjects recognized in v1alpha1
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switch {
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case in.Kind == ServiceAccountKind:
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out.APIGroup = ""
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case in.Kind == UserKind:
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out.APIGroup = GroupName
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case in.Kind == GroupKind:
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out.APIGroup = GroupName
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default:
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// For unrecognized kinds, use the group portion of the APIVersion if we can get it
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if gv, err := schema.ParseGroupVersion(in.APIVersion); err == nil {
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out.APIGroup = gv.Group
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}
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}
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// User * in v1alpha1 will only match all authenticated users
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// This is only for compatibility with old RBAC bindings
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// Special treatment for * should not be included in v1beta1
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if out.Kind == UserKind && out.APIGroup == GroupName && out.Name == "*" {
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out.Kind = GroupKind
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out.Name = allAuthenticated
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}
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return nil
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}
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func Convert_rbac_Subject_To_v1alpha1_Subject(in *api.Subject, out *Subject, s conversion.Scope) error {
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if err := autoConvert_rbac_Subject_To_v1alpha1_Subject(in, out, s); err != nil {
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return err
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}
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switch {
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case in.Kind == ServiceAccountKind && in.APIGroup == "":
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// Make service accounts v1
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out.APIVersion = "v1"
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case in.Kind == UserKind && in.APIGroup == GroupName:
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// users in the rbac API group get v1alpha
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out.APIVersion = SchemeGroupVersion.String()
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case in.Kind == GroupKind && in.APIGroup == GroupName:
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// groups in the rbac API group get v1alpha
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out.APIVersion = SchemeGroupVersion.String()
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default:
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// otherwise, they get an unspecified version of a group
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out.APIVersion = schema.GroupVersion{Group: in.APIGroup}.String()
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}
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return nil
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}
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