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Merge pull request #71021 from liggitt/node-self-deletion

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Remove self-deletion permissions from kubelets
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k8s-ci-robot 2018-11-16 01:53:31 -08:00 committed by GitHub
commit 1a54fd4319
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3 changed files with 6 additions and 4 deletions
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2
plugin/pkg/auth/authorizer/rbac/bootstrappolicy/policy.go
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@ -107,7 +107,7 @@ func NodeRules() []rbacv1.PolicyRule {
// Use the NodeRestriction admission plugin to limit a node to creating/updating its own API object.
rbacv1helpers.NewRule("create", "get", "list", "watch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
rbacv1helpers.NewRule("update", "patch").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
rbacv1helpers.NewRule("update", "patch", "delete").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
rbacv1helpers.NewRule("update", "patch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
// TODO: restrict to the bound node as creator in the NodeRestrictions admission plugin
rbacv1helpers.NewRule("create", "update", "patch").Groups(legacyGroup).Resources("events").RuleOrDie(),

1
plugin/pkg/auth/authorizer/rbac/bootstrappolicy/testdata/cluster-roles.yaml vendored
View File

@ -882,7 +882,6 @@ items:
resources:
- nodes
verbs:
- delete
- patch
- update
- apiGroups:

7
test/integration/auth/node_test.go
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@ -530,7 +530,10 @@ func TestNodeAuthorizer(t *testing.T) {
expectAllowed(t, createNode2MirrorPodEviction(node2Client))
expectAllowed(t, createNode2(node2Client))
expectAllowed(t, updateNode2Status(node2Client))
expectAllowed(t, deleteNode2(node2Client))
// self deletion is not allowed
expectForbidden(t, deleteNode2(node2Client))
// clean up node2
expectAllowed(t, deleteNode2(superuserClient))
// create a pod as an admin to add object references
expectAllowed(t, createNode2NormalPod(superuserClient))
@ -621,7 +624,7 @@ func TestNodeAuthorizer(t *testing.T) {
// node2 can no longer get the configmap after it is unassigned as its config source
expectForbidden(t, getConfigMapConfigSource(node2Client))
// clean up node2
expectAllowed(t, deleteNode2(node2Client))
expectAllowed(t, deleteNode2(superuserClient))
//TODO(mikedanese): integration test node restriction of TokenRequest