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Separate system:node rules

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Jordan Liggitt 2017-05-05 02:14:02 -04:00
parent 48a9357926
commit d278a80a67
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GPG Key ID: 24E7ADF9A3B42012
1 changed files with 45 additions and 41 deletions
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86
plugin/pkg/auth/authorizer/rbac/bootstrappolicy/policy.go
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@ -86,6 +86,50 @@ func addClusterRoleBindingLabel(rolebindings []rbac.ClusterRoleBinding) {
return return
} }
func NodeRules() []rbac.PolicyRule {
return []rbac.PolicyRule{
// Needed to check API access. These creates are non-mutating
rbac.NewRule("create").Groups(authenticationGroup).Resources("tokenreviews").RuleOrDie(),
rbac.NewRule("create").Groups(authorizationGroup).Resources("subjectaccessreviews", "localsubjectaccessreviews").RuleOrDie(),
// Needed to build serviceLister, to populate env vars for services
rbac.NewRule(Read...).Groups(legacyGroup).Resources("services").RuleOrDie(),
// Nodes can register themselves
// TODO: restrict to creating a node with the same name they announce
rbac.NewRule("create", "get", "list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
// TODO: restrict to the bound node once supported
rbac.NewRule("update", "patch").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
rbac.NewRule("update", "patch", "delete").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
// TODO: restrict to the bound node as creator once supported
rbac.NewRule("create", "update", "patch").Groups(legacyGroup).Resources("events").RuleOrDie(),
// TODO: restrict to pods scheduled on the bound node once supported
rbac.NewRule(Read...).Groups(legacyGroup).Resources("pods").RuleOrDie(),
// TODO: remove once mirror pods are removed
// TODO: restrict deletion to mirror pods created by the bound node once supported
// Needed for the node to create/delete mirror pods
rbac.NewRule("create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
// TODO: restrict to pods scheduled on the bound node once supported
rbac.NewRule("update").Groups(legacyGroup).Resources("pods/status").RuleOrDie(),
// TODO: restrict to secrets and configmaps used by pods scheduled on bound node once supported
// Needed for imagepullsecrets, rbd/ceph and secret volumes, and secrets in envs
// Needed for configmap volume and envs
rbac.NewRule("get").Groups(legacyGroup).Resources("secrets", "configmaps").RuleOrDie(),
// TODO: restrict to claims/volumes used by pods scheduled on bound node once supported
// Needed for persistent volumes
rbac.NewRule("get").Groups(legacyGroup).Resources("persistentvolumeclaims", "persistentvolumes").RuleOrDie(),
// TODO: restrict to namespaces of pods scheduled on bound node once supported
// TODO: change glusterfs to use DNS lookup so this isn't needed?
// Needed for glusterfs volumes
rbac.NewRule("get").Groups(legacyGroup).Resources("endpoints").RuleOrDie(),
// Used to create a certificatesigningrequest for a node-specific client certificate, and watch
// for it to be signed. This allows the kubelet to rotate it's own certificate.
rbac.NewRule("create", "get", "list", "watch").Groups(certificatesGroup).Resources("certificatesigningrequests").RuleOrDie(),
}
}
// ClusterRoles returns the cluster roles to bootstrap an API server with // ClusterRoles returns the cluster roles to bootstrap an API server with
func ClusterRoles() []rbac.ClusterRole { func ClusterRoles() []rbac.ClusterRole {
roles := []rbac.ClusterRole{ roles := []rbac.ClusterRole{
@ -204,47 +248,7 @@ func ClusterRoles() []rbac.ClusterRole {
{ {
// a role for nodes to use to have the access they need for running pods // a role for nodes to use to have the access they need for running pods
ObjectMeta: metav1.ObjectMeta{Name: "system:node"}, ObjectMeta: metav1.ObjectMeta{Name: "system:node"},
Rules: []rbac.PolicyRule{ Rules: NodeRules(),
// Needed to check API access. These creates are non-mutating
rbac.NewRule("create").Groups(authenticationGroup).Resources("tokenreviews").RuleOrDie(),
rbac.NewRule("create").Groups(authorizationGroup).Resources("subjectaccessreviews", "localsubjectaccessreviews").RuleOrDie(),
// Needed to build serviceLister, to populate env vars for services
rbac.NewRule(Read...).Groups(legacyGroup).Resources("services").RuleOrDie(),
// Nodes can register themselves
// TODO: restrict to creating a node with the same name they announce
rbac.NewRule("create", "get", "list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
// TODO: restrict to the bound node once supported
rbac.NewRule("update", "patch").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
rbac.NewRule("update", "patch", "delete").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
// TODO: restrict to the bound node as creator once supported
rbac.NewRule("create", "update", "patch").Groups(legacyGroup).Resources("events").RuleOrDie(),
// TODO: restrict to pods scheduled on the bound node once supported
rbac.NewRule(Read...).Groups(legacyGroup).Resources("pods").RuleOrDie(),
// TODO: remove once mirror pods are removed
// TODO: restrict deletion to mirror pods created by the bound node once supported
// Needed for the node to create/delete mirror pods
rbac.NewRule("create", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
// TODO: restrict to pods scheduled on the bound node once supported
rbac.NewRule("update").Groups(legacyGroup).Resources("pods/status").RuleOrDie(),
// TODO: restrict to secrets and configmaps used by pods scheduled on bound node once supported
// Needed for imagepullsecrets, rbd/ceph and secret volumes, and secrets in envs
// Needed for configmap volume and envs
rbac.NewRule("get").Groups(legacyGroup).Resources("secrets", "configmaps").RuleOrDie(),
// TODO: restrict to claims/volumes used by pods scheduled on bound node once supported
// Needed for persistent volumes
rbac.NewRule("get").Groups(legacyGroup).Resources("persistentvolumeclaims", "persistentvolumes").RuleOrDie(),
// TODO: restrict to namespaces of pods scheduled on bound node once supported
// TODO: change glusterfs to use DNS lookup so this isn't needed?
// Needed for glusterfs volumes
rbac.NewRule("get").Groups(legacyGroup).Resources("endpoints").RuleOrDie(),
// Used to create a certificatesigningrequest for a node-specific client certificate, and watch
// for it to be signed. This allows the kubelet to rotate it's own certificate.
rbac.NewRule("create", "get", "list", "watch").Groups(certificatesGroup).Resources("certificatesigningrequests").RuleOrDie(),
},
}, },
{ {
// a role to use for node-problem-detector access. It does not get bound to default location since // a role to use for node-problem-detector access. It does not get bound to default location since