78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
/*
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Copyright 2016 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 bootstrappolicy
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import (
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"strings"
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"github.com/golang/glog"
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"k8s.io/kubernetes/pkg/api"
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rbac "k8s.io/kubernetes/pkg/apis/rbac"
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)
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const saRolePrefix = "system:controller:"
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var (
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// controllerRoles is a slice of roles used for controllers
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controllerRoles = []rbac.ClusterRole{}
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// controllerRoleBindings is a slice of roles used for controllers
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controllerRoleBindings = []rbac.ClusterRoleBinding{}
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)
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func addControllerRole(role rbac.ClusterRole) {
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if !strings.HasPrefix(role.Name, saRolePrefix) {
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glog.Fatalf(`role %q must start with %q`, role.Name, saRolePrefix)
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}
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for _, existingRole := range controllerRoles {
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if role.Name == existingRole.Name {
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glog.Fatalf("role %q was already registered", role.Name)
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}
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}
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controllerRoles = append(controllerRoles, role)
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controllerRoleBindings = append(controllerRoleBindings,
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rbac.NewClusterBinding(role.Name).SAs("kube-system", role.Name[len(saRolePrefix):]).BindingOrDie())
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}
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func eventsRule() rbac.PolicyRule {
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return rbac.NewRule("create", "update", "patch").Groups(legacyGroup).Resources("events").RuleOrDie()
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}
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func init() {
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: api.ObjectMeta{Name: saRolePrefix + "replication-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update").Groups(legacyGroup).Resources("replicationcontrollers").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("replicationcontrollers/status").RuleOrDie(),
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rbac.NewRule("list", "watch", "create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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}
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// ControllerRoles returns the cluster roles used by controllers
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func ControllerRoles() []rbac.ClusterRole {
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return controllerRoles
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}
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// ControllerRoleBindings returns the role bindings used by controllers
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func ControllerRoleBindings() []rbac.ClusterRoleBinding {
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return controllerRoleBindings
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}
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