1b55f57391
Implements history utilities for ControllerRevision in the controller/history package StatefulSetStatus now has additional fields for consistency with DaemonSet and Deployment StatefulSetStatus.Replicas now represents the current number of createdPods and StatefulSetStatus.ReadyReplicas is the current number of ready Pods
299 lines
15 KiB
Go
299 lines
15 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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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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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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addClusterRoleLabel(controllerRoles)
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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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addClusterRoleBindingLabel(controllerRoleBindings)
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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: metav1.ObjectMeta{Name: saRolePrefix + "attachdetach-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("persistentvolumes", "persistentvolumeclaims").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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rbac.NewRule("patch", "update").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "cronjob-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update").Groups(batchGroup).Resources("cronjobs").RuleOrDie(),
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rbac.NewRule("get", "list", "watch", "create", "update", "delete", "patch").Groups(batchGroup).Resources("jobs").RuleOrDie(),
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rbac.NewRule("update").Groups(batchGroup).Resources("cronjobs/status").RuleOrDie(),
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rbac.NewRule("list", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "daemon-set-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(extensionsGroup).Resources("daemonsets").RuleOrDie(),
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rbac.NewRule("update").Groups(extensionsGroup).Resources("daemonsets/status").RuleOrDie(),
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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rbac.NewRule("list", "watch", "create", "delete", "patch").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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rbac.NewRule("create").Groups(legacyGroup).Resources("pods/binding").RuleOrDie(),
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rbac.NewRule("list", "watch", "create", "delete", "update", "patch").Groups(appsGroup).Resources("controllerrevisions").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "deployment-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update").Groups(extensionsGroup, appsGroup).Resources("deployments").RuleOrDie(),
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rbac.NewRule("update").Groups(extensionsGroup, appsGroup).Resources("deployments/status").RuleOrDie(),
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rbac.NewRule("get", "list", "watch", "create", "update", "patch", "delete").Groups(extensionsGroup).Resources("replicasets").RuleOrDie(),
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// TODO: remove "update" once
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// https://github.com/kubernetes/kubernetes/issues/36897 is resolved.
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rbac.NewRule("get", "list", "watch", "update").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "disruption-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(extensionsGroup, appsGroup).Resources("deployments").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(extensionsGroup).Resources("replicasets").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(legacyGroup).Resources("replicationcontrollers").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(policyGroup).Resources("poddisruptionbudgets").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(appsGroup).Resources("statefulsets").RuleOrDie(),
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rbac.NewRule("update").Groups(policyGroup).Resources("poddisruptionbudgets/status").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "endpoint-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(legacyGroup).Resources("services", "pods").RuleOrDie(),
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rbac.NewRule("get", "list", "create", "update", "delete").Groups(legacyGroup).Resources("endpoints").RuleOrDie(),
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rbac.NewRule("create").Groups(legacyGroup).Resources("endpoints/restricted").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "generic-garbage-collector"},
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Rules: []rbac.PolicyRule{
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// the GC controller needs to run list/watches, selective gets, and updates against any resource
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rbac.NewRule("get", "list", "watch", "patch", "update", "delete").Groups("*").Resources("*").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "horizontal-pod-autoscaler"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(autoscalingGroup).Resources("horizontalpodautoscalers").RuleOrDie(),
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rbac.NewRule("update").Groups(autoscalingGroup).Resources("horizontalpodautoscalers/status").RuleOrDie(),
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rbac.NewRule("get", "update").Groups(legacyGroup).Resources("replicationcontrollers/scale").RuleOrDie(),
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// TODO this should be removable when the HPA contoller is fixed
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rbac.NewRule("get", "update").Groups(extensionsGroup).Resources("replicationcontrollers/scale").RuleOrDie(),
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rbac.NewRule("get", "update").Groups(extensionsGroup, appsGroup).Resources("deployments/scale", "replicasets/scale").RuleOrDie(),
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rbac.NewRule("list").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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// TODO: Remove the root /proxy permission in 1.7; MetricsClient no longer requires root proxy access as of 1.6 (fixed in https://github.com/kubernetes/kubernetes/pull/39636)
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rbac.NewRule("proxy").Groups(legacyGroup).Resources("services").Names("https:heapster:", "http:heapster:").RuleOrDie(),
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// TODO: restrict this to the appropriate namespace
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rbac.NewRule("get").Groups(legacyGroup).Resources("services/proxy").Names("https:heapster:", "http:heapster:").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "job-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update").Groups(batchGroup).Resources("jobs").RuleOrDie(),
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rbac.NewRule("update").Groups(batchGroup).Resources("jobs/status").RuleOrDie(),
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rbac.NewRule("list", "watch", "create", "delete", "patch").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "namespace-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "delete").Groups(legacyGroup).Resources("namespaces").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("namespaces/finalize", "namespaces/status").RuleOrDie(),
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rbac.NewRule("get", "list", "delete", "deletecollection").Groups("*").Resources("*").RuleOrDie(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "node-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "update", "delete", "patch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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rbac.NewRule("patch", "update").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
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// used for pod eviction
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rbac.NewRule("update").Groups(legacyGroup).Resources("pods/status").RuleOrDie(),
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rbac.NewRule("list", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "persistent-volume-binder"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update", "create", "delete").Groups(legacyGroup).Resources("persistentvolumes").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("persistentvolumes/status").RuleOrDie(),
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rbac.NewRule("get", "list", "watch", "update").Groups(legacyGroup).Resources("persistentvolumeclaims").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("persistentvolumeclaims/status").RuleOrDie(),
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rbac.NewRule("list", "watch", "get", "create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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// glusterfs
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rbac.NewRule("get", "list", "watch").Groups(storageGroup).Resources("storageclasses").RuleOrDie(),
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rbac.NewRule("get", "create", "delete").Groups(legacyGroup).Resources("services", "endpoints").RuleOrDie(),
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rbac.NewRule("get").Groups(legacyGroup).Resources("secrets").RuleOrDie(),
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// openstack
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rbac.NewRule("get", "list").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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// recyclerClient.WatchPod
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rbac.NewRule("watch").Groups(legacyGroup).Resources("events").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "pod-garbage-collector"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("list", "watch", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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rbac.NewRule("list").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "replicaset-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch", "update").Groups(extensionsGroup).Resources("replicasets").RuleOrDie(),
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rbac.NewRule("update").Groups(extensionsGroup).Resources("replicasets/status").RuleOrDie(),
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rbac.NewRule("list", "watch", "patch", "create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "replication-controller"},
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Rules: []rbac.PolicyRule{
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// 1.0 controllers needed get, update, so without these old controllers break on new servers
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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", "patch", "create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "resourcequota-controller"},
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Rules: []rbac.PolicyRule{
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// quota can count quota on anything for reconcilation, so it needs full viewing powers
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rbac.NewRule("list", "watch").Groups("*").Resources("*").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("resourcequotas/status").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "route-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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rbac.NewRule("patch").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "service-account-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("create").Groups(legacyGroup).Resources("serviceaccounts").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "service-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(legacyGroup).Resources("services").RuleOrDie(),
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rbac.NewRule("update").Groups(legacyGroup).Resources("services/status").RuleOrDie(),
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "statefulset-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("list", "watch").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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rbac.NewRule("get", "list", "watch").Groups(appsGroup).Resources("statefulsets").RuleOrDie(),
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rbac.NewRule("update").Groups(appsGroup).Resources("statefulsets/status").RuleOrDie(),
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rbac.NewRule("get", "create", "delete", "update", "patch").Groups(legacyGroup).Resources("pods").RuleOrDie(),
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rbac.NewRule("get", "create", "delete", "update", "patch", "list", "watch").Groups(appsGroup).Resources("controllerrevisions").RuleOrDie(),
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rbac.NewRule("get", "create").Groups(legacyGroup).Resources("persistentvolumeclaims").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "ttl-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("update", "patch", "list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
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eventsRule(),
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},
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})
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addControllerRole(rbac.ClusterRole{
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ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "certificate-controller"},
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Rules: []rbac.PolicyRule{
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rbac.NewRule("get", "list", "watch").Groups(certificatesGroup).Resources("certificatesigningrequests").RuleOrDie(),
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rbac.NewRule("update").Groups(certificatesGroup).Resources("certificatesigningrequests/status", "certificatesigningrequests/approval").RuleOrDie(),
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rbac.NewRule("create").Groups(authorizationGroup).Resources("subjectaccessreviews").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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