Add phase 1 of validation tightening.

https://github.com/kubernetes/enhancements/blob/master/keps/sig-storage/177-volume-snapshot/tighten-validation-webhook-crd.md

1. Ratcheting validation webhook server image
2. Controller labels invalid objects
3. Unit tests for webhook
4. Deployment README and example deployment method with certs
5. Update top-level README

Racheting validation:
1. webhook is strict on create
2. webhook is strict on updates where the existing object passes strict validation
3. webhook is relaxed on updates where the existing object fails strict validation (allows finalizer removal, status update, deletion, etc)

Additionally the validating wehook server will perform immutability
checks on scenario 2 above.
This commit is contained in:
Andi Li
2020-08-04 18:55:54 +00:00
parent db336e8070
commit 42b6b374cf
73 changed files with 12815 additions and 21 deletions

View File

@@ -131,8 +131,8 @@ func TestDeleteSync(t *testing.T) {
tests := []controllerTest{
{
name: "1-1 - noop: content will not be deleted if it is bound to a snapshot correctly, snapshot uid is not specified",
initialContents: newContentArray("content1-1", "", "snap1-1", "sid1-1", validSecretClass, "", "", deletePolicy, nil, nil, true),
expectedContents: newContentArray("content1-1", "", "snap1-1", "sid1-1", validSecretClass, "", "", deletePolicy, nil, nil, true),
initialContents: newContentArray("content1-1", "", "snap1-1", "snaphandle1-1", validSecretClass, "snaphandle1-1", "", deletePolicy, nil, nil, true),
expectedContents: newContentArray("content1-1", "", "snap1-1", "snaphandle1-1", validSecretClass, "snaphandle1-1", "", deletePolicy, nil, nil, true),
initialSnapshots: newSnapshotArray("snap1-1", "snapuid1-1", "claim1-1", "", validSecretClass, "content1-1", &False, nil, nil, nil, false, true, &timeNowMetav1),
expectedSnapshots: newSnapshotArray("snap1-1", "snapuid1-1", "claim1-1", "", validSecretClass, "content1-1", &False, nil, nil, nil, false, true, &timeNowMetav1),
expectedEvents: noevents,
@@ -159,8 +159,8 @@ func TestDeleteSync(t *testing.T) {
},
{
name: "1-3 - will not delete content with retain policy set which is bound to a snapshot incorrectly",
initialContents: newContentArray("content1-3", "snapuid1-3-x", "snap1-3", "sid1-3", validSecretClass, "", "", retainPolicy, nil, nil, true),
expectedContents: newContentArray("content1-3", "snapuid1-3-x", "snap1-3", "sid1-3", validSecretClass, "", "", retainPolicy, nil, nil, true),
initialContents: newContentArray("content1-3", "snapuid1-3-x", "snap1-3", "snaphandle1-3", validSecretClass, "snaphandle1-3", "", retainPolicy, nil, nil, true),
expectedContents: newContentArray("content1-3", "snapuid1-3-x", "snap1-3", "snaphandle1-3", validSecretClass, "snaphandle1-3", "", retainPolicy, nil, nil, true),
initialSnapshots: newSnapshotArray("snap1-3", "snapuid1-3", "claim1-3", "", validSecretClass, "content1-3", &False, nil, nil, nil, false, true, &timeNowMetav1),
expectedSnapshots: newSnapshotArray("snap1-3", "snapuid1-3", "claim1-3", "", validSecretClass, "content1-3", &False, nil, nil, nil, false, true, &timeNowMetav1),
expectedEvents: noevents,