446 lines
12 KiB
Go
446 lines
12 KiB
Go
package state
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/hashicorp/consul/acl"
|
|
"github.com/hashicorp/consul/agent/consul/stream"
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestStore_IntegrationWithEventPublisher_ACLTokenUpdate(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
s := testACLTokensStateStore(t)
|
|
|
|
// Setup token and wait for good state
|
|
token := createTokenAndWaitForACLEventPublish(t, s)
|
|
|
|
// Register the subscription.
|
|
subscription := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
|
defer cancel()
|
|
|
|
publisher := stream.NewEventPublisher(ctx, newTestSnapshotHandlers(s), 0)
|
|
s.db.publisher = publisher
|
|
sub, err := publisher.Subscribe(subscription)
|
|
require.NoError(err)
|
|
defer sub.Unsubscribe()
|
|
|
|
eventCh := testRunSub(sub)
|
|
|
|
// Stream should get EndOfSnapshot
|
|
e := assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot())
|
|
|
|
// Update an unrelated token.
|
|
token2 := &structs.ACLToken{
|
|
AccessorID: "a7bbf480-8440-4f55-acfc-6fdca25cb13e",
|
|
SecretID: "72e81982-7a0f-491f-a60e-c9c802ac1402",
|
|
}
|
|
token2.SetHash(false)
|
|
require.NoError(s.ACLTokenSet(3, token2.Clone(), false))
|
|
|
|
// Ensure there's no reset event.
|
|
assertNoEvent(t, eventCh)
|
|
|
|
// Now update the token used in the subscriber.
|
|
token3 := &structs.ACLToken{
|
|
AccessorID: "3af117a9-2233-4cf4-8ff8-3c749c9906b4",
|
|
SecretID: "4268ce0d-d7ae-4718-8613-42eba9036020",
|
|
Description: "something else",
|
|
}
|
|
token3.SetHash(false)
|
|
require.NoError(s.ACLTokenSet(4, token3.Clone(), false))
|
|
|
|
// Ensure the reset event was sent.
|
|
err = assertErr(t, eventCh)
|
|
require.Equal(stream.ErrSubscriptionClosed, err)
|
|
|
|
// Register another subscription.
|
|
subscription2 := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
sub2, err := publisher.Subscribe(subscription2)
|
|
require.NoError(err)
|
|
defer sub2.Unsubscribe()
|
|
|
|
eventCh2 := testRunSub(sub2)
|
|
|
|
// Expect initial EoS
|
|
e = assertEvent(t, eventCh2)
|
|
require.True(e.IsEndOfSnapshot())
|
|
|
|
// Delete the unrelated token.
|
|
require.NoError(s.ACLTokenDeleteByAccessor(5, token2.AccessorID, nil))
|
|
|
|
// Ensure there's no reset event.
|
|
assertNoEvent(t, eventCh2)
|
|
|
|
// Delete the token used by the subscriber.
|
|
require.NoError(s.ACLTokenDeleteByAccessor(6, token.AccessorID, nil))
|
|
|
|
// Ensure the reset event was sent.
|
|
err = assertErr(t, eventCh2)
|
|
require.Equal(stream.ErrSubscriptionClosed, err)
|
|
}
|
|
|
|
func TestStore_IntegrationWithEventPublisher_ACLPolicyUpdate(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
s := testACLTokensStateStore(t)
|
|
|
|
// Create token and wait for good state
|
|
token := createTokenAndWaitForACLEventPublish(t, s)
|
|
|
|
// Register the subscription.
|
|
subscription := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
|
defer cancel()
|
|
|
|
publisher := stream.NewEventPublisher(ctx, newTestSnapshotHandlers(s), 0)
|
|
s.db.publisher = publisher
|
|
sub, err := publisher.Subscribe(subscription)
|
|
require.NoError(err)
|
|
defer sub.Unsubscribe()
|
|
|
|
eventCh := testRunSub(sub)
|
|
|
|
// Ignore the end of snapshot event
|
|
e := assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
|
|
|
|
// Update an unrelated policy.
|
|
policy2 := structs.ACLPolicy{
|
|
ID: testPolicyID_C,
|
|
Name: "foo-read",
|
|
Rules: `node "foo" { policy = "read" }`,
|
|
Syntax: acl.SyntaxCurrent,
|
|
Datacenters: []string{"dc1"},
|
|
}
|
|
policy2.SetHash(false)
|
|
require.NoError(s.ACLPolicySet(3, &policy2))
|
|
|
|
// Ensure there's no reset event.
|
|
assertNoEvent(t, eventCh)
|
|
|
|
// Now update the policy used in the subscriber.
|
|
policy3 := structs.ACLPolicy{
|
|
ID: testPolicyID_A,
|
|
Name: "node-read",
|
|
Rules: `node_prefix "" { policy = "write" }`,
|
|
Syntax: acl.SyntaxCurrent,
|
|
Datacenters: []string{"dc1"},
|
|
}
|
|
policy3.SetHash(false)
|
|
require.NoError(s.ACLPolicySet(4, &policy3))
|
|
|
|
// Ensure the reset event was sent.
|
|
assertReset(t, eventCh, true)
|
|
|
|
// Register another subscription.
|
|
subscription2 := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
sub, err = publisher.Subscribe(subscription2)
|
|
require.NoError(err)
|
|
|
|
eventCh = testRunSub(sub)
|
|
|
|
// Ignore the end of snapshot event
|
|
e = assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
|
|
|
|
// Delete the unrelated policy.
|
|
require.NoError(s.ACLPolicyDeleteByID(5, testPolicyID_C, nil))
|
|
|
|
// Ensure there's no reload event.
|
|
assertNoEvent(t, eventCh)
|
|
|
|
// Delete the policy used by the subscriber.
|
|
require.NoError(s.ACLPolicyDeleteByID(6, testPolicyID_A, nil))
|
|
|
|
// Ensure the reload event was sent.
|
|
err = assertErr(t, eventCh)
|
|
require.Equal(stream.ErrSubscriptionClosed, err)
|
|
|
|
// Register another subscription.
|
|
subscription3 := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
sub, err = publisher.Subscribe(subscription3)
|
|
require.NoError(err)
|
|
defer sub.Unsubscribe()
|
|
|
|
eventCh = testRunSub(sub)
|
|
|
|
// Ignore the end of snapshot event
|
|
e = assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
|
|
|
|
// Now update the policy used in role B, but not directly in the token.
|
|
policy4 := structs.ACLPolicy{
|
|
ID: testPolicyID_B,
|
|
Name: "node-read",
|
|
Rules: `node_prefix "foo" { policy = "read" }`,
|
|
Syntax: acl.SyntaxCurrent,
|
|
Datacenters: []string{"dc1"},
|
|
}
|
|
policy4.SetHash(false)
|
|
require.NoError(s.ACLPolicySet(7, &policy4))
|
|
|
|
// Ensure the reset event was sent.
|
|
assertReset(t, eventCh, true)
|
|
}
|
|
|
|
func TestStore_IntegrationWithEventPublisher_ACLRoleUpdate(t *testing.T) {
|
|
t.Parallel()
|
|
require := require.New(t)
|
|
s := testACLTokensStateStore(t)
|
|
|
|
// Create token and wait for good state
|
|
token := createTokenAndWaitForACLEventPublish(t, s)
|
|
|
|
// Register the subscription.
|
|
subscription := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
|
defer cancel()
|
|
|
|
publisher := stream.NewEventPublisher(ctx, newTestSnapshotHandlers(s), 0)
|
|
s.db.publisher = publisher
|
|
sub, err := publisher.Subscribe(subscription)
|
|
require.NoError(err)
|
|
|
|
eventCh := testRunSub(sub)
|
|
|
|
// Stream should get EndOfSnapshot
|
|
e := assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot())
|
|
|
|
// Update an unrelated role (the token has role testRoleID_B).
|
|
role := structs.ACLRole{
|
|
ID: testRoleID_A,
|
|
Name: "unrelated-role",
|
|
Description: "test",
|
|
}
|
|
role.SetHash(false)
|
|
require.NoError(s.ACLRoleSet(3, &role))
|
|
|
|
// Ensure there's no reload event.
|
|
assertNoEvent(t, eventCh)
|
|
|
|
// Now update the role used by the token in the subscriber.
|
|
role2 := structs.ACLRole{
|
|
ID: testRoleID_B,
|
|
Name: "my-new-role",
|
|
Description: "changed",
|
|
}
|
|
role2.SetHash(false)
|
|
require.NoError(s.ACLRoleSet(4, &role2))
|
|
|
|
// Ensure the reload event was sent.
|
|
assertReset(t, eventCh, false)
|
|
|
|
// Register another subscription.
|
|
subscription2 := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
sub, err = publisher.Subscribe(subscription2)
|
|
require.NoError(err)
|
|
|
|
eventCh = testRunSub(sub)
|
|
|
|
// Ignore the end of snapshot event
|
|
e = assertEvent(t, eventCh)
|
|
require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
|
|
|
|
// Delete the unrelated policy.
|
|
require.NoError(s.ACLRoleDeleteByID(5, testRoleID_A, nil))
|
|
|
|
// Ensure there's no reload event.
|
|
assertNoEvent(t, eventCh)
|
|
|
|
// Delete the policy used by the subscriber.
|
|
require.NoError(s.ACLRoleDeleteByID(6, testRoleID_B, nil))
|
|
|
|
// Ensure the reload event was sent.
|
|
assertReset(t, eventCh, false)
|
|
}
|
|
|
|
type nextResult struct {
|
|
Events []stream.Event
|
|
Err error
|
|
}
|
|
|
|
func testRunSub(sub *stream.Subscription) <-chan nextResult {
|
|
eventCh := make(chan nextResult, 1)
|
|
go func() {
|
|
for {
|
|
es, err := sub.Next(context.TODO())
|
|
eventCh <- nextResult{
|
|
Events: es,
|
|
Err: err,
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
return eventCh
|
|
}
|
|
|
|
func assertNoEvent(t *testing.T, eventCh <-chan nextResult) {
|
|
t.Helper()
|
|
select {
|
|
case next := <-eventCh:
|
|
require.NoError(t, next.Err)
|
|
require.Len(t, next.Events, 1)
|
|
t.Fatalf("got unwanted event: %#v", next.Events[0].Payload)
|
|
case <-time.After(100 * time.Millisecond):
|
|
}
|
|
}
|
|
|
|
func assertEvent(t *testing.T, eventCh <-chan nextResult) *stream.Event {
|
|
t.Helper()
|
|
select {
|
|
case next := <-eventCh:
|
|
require.NoError(t, next.Err)
|
|
require.Len(t, next.Events, 1)
|
|
return &next.Events[0]
|
|
case <-time.After(100 * time.Millisecond):
|
|
t.Fatalf("no event after 100ms")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func assertErr(t *testing.T, eventCh <-chan nextResult) error {
|
|
t.Helper()
|
|
select {
|
|
case next := <-eventCh:
|
|
require.Error(t, next.Err)
|
|
return next.Err
|
|
case <-time.After(100 * time.Millisecond):
|
|
t.Fatalf("no err after 100ms")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// assertReset checks that a ResetStream event is send to the subscription
|
|
// within 100ms. If allowEOS is true it will ignore any intermediate events that
|
|
// come before the reset provided they are EndOfSnapshot events because in many
|
|
// cases it's non-deterministic whether the snapshot will complete before the
|
|
// acl reset is handled.
|
|
func assertReset(t *testing.T, eventCh <-chan nextResult, allowEOS bool) {
|
|
t.Helper()
|
|
for {
|
|
select {
|
|
case next := <-eventCh:
|
|
if allowEOS {
|
|
if next.Err == nil && len(next.Events) == 1 && next.Events[0].IsEndOfSnapshot() {
|
|
continue
|
|
}
|
|
}
|
|
require.Error(t, next.Err)
|
|
require.Equal(t, stream.ErrSubscriptionClosed, next.Err)
|
|
return
|
|
case <-time.After(100 * time.Millisecond):
|
|
t.Fatalf("no err after 100ms")
|
|
}
|
|
}
|
|
}
|
|
|
|
var topicService stream.Topic = topic("test-topic-service")
|
|
|
|
func newTestSnapshotHandlers(s *Store) stream.SnapshotHandlers {
|
|
return stream.SnapshotHandlers{
|
|
topicService: func(req *stream.SubscribeRequest, snap stream.SnapshotAppender) (uint64, error) {
|
|
idx, nodes, err := s.ServiceNodes(nil, req.Key, nil)
|
|
if err != nil {
|
|
return idx, err
|
|
}
|
|
|
|
for _, node := range nodes {
|
|
event := stream.Event{
|
|
Topic: req.Topic,
|
|
Key: req.Key,
|
|
Index: node.ModifyIndex,
|
|
Payload: node,
|
|
}
|
|
snap.Append([]stream.Event{event})
|
|
}
|
|
return idx, nil
|
|
},
|
|
}
|
|
}
|
|
|
|
func createTokenAndWaitForACLEventPublish(t *testing.T, s *Store) *structs.ACLToken {
|
|
token := &structs.ACLToken{
|
|
AccessorID: "3af117a9-2233-4cf4-8ff8-3c749c9906b4",
|
|
SecretID: "4268ce0d-d7ae-4718-8613-42eba9036020",
|
|
Description: "something",
|
|
Policies: []structs.ACLTokenPolicyLink{
|
|
{ID: testPolicyID_A},
|
|
},
|
|
Roles: []structs.ACLTokenRoleLink{
|
|
{ID: testRoleID_B},
|
|
},
|
|
}
|
|
token.SetHash(false)
|
|
|
|
// If we subscribe immediately after we create a token we race with the
|
|
// publisher that is publishing the ACL token event for the token we just
|
|
// created. That means that the subscription we create right after will often
|
|
// be immediately reset. The most reliable way to avoid that without just
|
|
// sleeping for some arbitrary time is to pre-subscribe using the token before
|
|
// it actually exists (which works because the publisher doesn't check tokens
|
|
// it assumes something lower down did that) and then wait for it to be reset
|
|
// so we know the initial token write event has been sent out before
|
|
// continuing...
|
|
req := &stream.SubscribeRequest{
|
|
Topic: topicService,
|
|
Key: "nope",
|
|
Token: token.SecretID,
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
|
defer cancel()
|
|
|
|
publisher := stream.NewEventPublisher(ctx, newTestSnapshotHandlers(s), 0)
|
|
s.db.publisher = publisher
|
|
sub, err := publisher.Subscribe(req)
|
|
require.NoError(t, err)
|
|
defer sub.Unsubscribe()
|
|
|
|
eventCh := testRunSub(sub)
|
|
|
|
// Create the ACL token to be used in the subscription.
|
|
require.NoError(t, s.ACLTokenSet(2, token.Clone(), false))
|
|
|
|
// Wait for the pre-subscription to be reset
|
|
assertReset(t, eventCh, true)
|
|
|
|
return token
|
|
}
|