2020-06-02 22:37:10 +00:00
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package state
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import (
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"context"
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"testing"
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"time"
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2020-10-05 16:38:38 +00:00
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"github.com/stretchr/testify/require"
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2020-06-02 22:37:10 +00:00
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/consul/stream"
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"github.com/hashicorp/consul/agent/structs"
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)
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2020-07-06 20:15:13 +00:00
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func TestStore_IntegrationWithEventPublisher_ACLTokenUpdate(t *testing.T) {
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2020-12-07 18:42:55 +00:00
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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2020-06-02 22:37:10 +00:00
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t.Parallel()
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require := require.New(t)
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s := testACLTokensStateStore(t)
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// Setup token and wait for good state
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token := createTokenAndWaitForACLEventPublish(t, s)
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// Register the subscription.
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2020-06-15 22:49:00 +00:00
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subscription := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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2020-06-15 22:49:00 +00:00
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2020-09-09 20:26:11 +00:00
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publisher := stream.NewEventPublisher(newTestSnapshotHandlers(s), 0)
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go publisher.Run(ctx)
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2020-06-17 22:15:45 +00:00
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s.db.publisher = publisher
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2020-07-08 04:31:22 +00:00
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sub, err := publisher.Subscribe(subscription)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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2020-07-08 04:31:22 +00:00
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defer sub.Unsubscribe()
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2020-06-02 22:37:10 +00:00
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eventCh := testRunSub(sub)
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// Stream should get EndOfSnapshot
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e := assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot())
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2020-06-02 22:37:10 +00:00
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// Update an unrelated token.
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token2 := &structs.ACLToken{
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AccessorID: "a7bbf480-8440-4f55-acfc-6fdca25cb13e",
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SecretID: "72e81982-7a0f-491f-a60e-c9c802ac1402",
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}
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token2.SetHash(false)
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require.NoError(s.ACLTokenSet(3, token2.Clone(), false))
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// Ensure there's no reset event.
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assertNoEvent(t, eventCh)
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// Now update the token used in the subscriber.
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token3 := &structs.ACLToken{
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AccessorID: "3af117a9-2233-4cf4-8ff8-3c749c9906b4",
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SecretID: "4268ce0d-d7ae-4718-8613-42eba9036020",
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Description: "something else",
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}
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token3.SetHash(false)
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require.NoError(s.ACLTokenSet(4, token3.Clone(), false))
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// Ensure the reset event was sent.
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err = assertErr(t, eventCh)
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2020-10-15 22:06:04 +00:00
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require.Equal(stream.ErrSubForceClosed, err)
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2020-06-02 22:37:10 +00:00
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// Register another subscription.
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2020-06-15 22:49:00 +00:00
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subscription2 := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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2020-07-08 04:31:22 +00:00
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sub2, err := publisher.Subscribe(subscription2)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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2020-07-08 04:31:22 +00:00
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defer sub2.Unsubscribe()
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2020-06-02 22:37:10 +00:00
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eventCh2 := testRunSub(sub2)
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// Expect initial EoS
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e = assertEvent(t, eventCh2)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot())
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2020-06-02 22:37:10 +00:00
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// Delete the unrelated token.
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require.NoError(s.ACLTokenDeleteByAccessor(5, token2.AccessorID, nil))
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// Ensure there's no reset event.
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assertNoEvent(t, eventCh2)
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// Delete the token used by the subscriber.
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require.NoError(s.ACLTokenDeleteByAccessor(6, token.AccessorID, nil))
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// Ensure the reset event was sent.
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err = assertErr(t, eventCh2)
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2020-10-15 22:06:04 +00:00
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require.Equal(stream.ErrSubForceClosed, err)
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2020-06-02 22:37:10 +00:00
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}
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2020-07-06 20:15:13 +00:00
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func TestStore_IntegrationWithEventPublisher_ACLPolicyUpdate(t *testing.T) {
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2020-12-07 18:42:55 +00:00
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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2020-06-02 22:37:10 +00:00
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t.Parallel()
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require := require.New(t)
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s := testACLTokensStateStore(t)
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// Create token and wait for good state
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token := createTokenAndWaitForACLEventPublish(t, s)
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// Register the subscription.
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2020-06-15 22:49:00 +00:00
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subscription := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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2020-06-15 22:49:00 +00:00
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2020-09-09 20:26:11 +00:00
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publisher := stream.NewEventPublisher(newTestSnapshotHandlers(s), 0)
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go publisher.Run(ctx)
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2020-06-17 22:15:45 +00:00
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s.db.publisher = publisher
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2020-07-08 04:31:22 +00:00
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sub, err := publisher.Subscribe(subscription)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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2020-07-08 04:31:22 +00:00
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defer sub.Unsubscribe()
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2020-06-02 22:37:10 +00:00
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eventCh := testRunSub(sub)
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// Ignore the end of snapshot event
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e := assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
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2020-06-02 22:37:10 +00:00
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// Update an unrelated policy.
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policy2 := structs.ACLPolicy{
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ID: testPolicyID_C,
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Name: "foo-read",
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Rules: `node "foo" { policy = "read" }`,
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Syntax: acl.SyntaxCurrent,
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Datacenters: []string{"dc1"},
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}
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policy2.SetHash(false)
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require.NoError(s.ACLPolicySet(3, &policy2))
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// Ensure there's no reset event.
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assertNoEvent(t, eventCh)
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// Now update the policy used in the subscriber.
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policy3 := structs.ACLPolicy{
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ID: testPolicyID_A,
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Name: "node-read",
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Rules: `node_prefix "" { policy = "write" }`,
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Syntax: acl.SyntaxCurrent,
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Datacenters: []string{"dc1"},
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}
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policy3.SetHash(false)
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require.NoError(s.ACLPolicySet(4, &policy3))
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// Ensure the reset event was sent.
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assertReset(t, eventCh, true)
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// Register another subscription.
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2020-06-15 22:49:00 +00:00
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subscription2 := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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2020-07-08 04:31:22 +00:00
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sub, err = publisher.Subscribe(subscription2)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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2020-10-15 22:06:04 +00:00
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defer sub.Unsubscribe()
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2020-06-02 22:37:10 +00:00
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eventCh = testRunSub(sub)
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// Ignore the end of snapshot event
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e = assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
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2020-06-02 22:37:10 +00:00
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// Delete the unrelated policy.
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require.NoError(s.ACLPolicyDeleteByID(5, testPolicyID_C, nil))
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// Ensure there's no reload event.
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assertNoEvent(t, eventCh)
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// Delete the policy used by the subscriber.
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require.NoError(s.ACLPolicyDeleteByID(6, testPolicyID_A, nil))
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// Ensure the reload event was sent.
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err = assertErr(t, eventCh)
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2020-10-15 22:06:04 +00:00
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require.Equal(stream.ErrSubForceClosed, err)
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2020-06-02 22:37:10 +00:00
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// Register another subscription.
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2020-06-15 22:49:00 +00:00
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subscription3 := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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2020-07-08 04:31:22 +00:00
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sub, err = publisher.Subscribe(subscription3)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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2020-07-08 04:31:22 +00:00
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defer sub.Unsubscribe()
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2020-06-02 22:37:10 +00:00
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eventCh = testRunSub(sub)
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// Ignore the end of snapshot event
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e = assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
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2020-06-02 22:37:10 +00:00
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// Now update the policy used in role B, but not directly in the token.
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policy4 := structs.ACLPolicy{
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ID: testPolicyID_B,
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Name: "node-read",
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Rules: `node_prefix "foo" { policy = "read" }`,
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Syntax: acl.SyntaxCurrent,
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Datacenters: []string{"dc1"},
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}
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policy4.SetHash(false)
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require.NoError(s.ACLPolicySet(7, &policy4))
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// Ensure the reset event was sent.
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assertReset(t, eventCh, true)
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}
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2020-07-06 20:15:13 +00:00
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func TestStore_IntegrationWithEventPublisher_ACLRoleUpdate(t *testing.T) {
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2020-12-07 18:42:55 +00:00
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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2020-06-02 22:37:10 +00:00
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t.Parallel()
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require := require.New(t)
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s := testACLTokensStateStore(t)
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// Create token and wait for good state
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token := createTokenAndWaitForACLEventPublish(t, s)
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// Register the subscription.
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2020-06-15 22:49:00 +00:00
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subscription := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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2020-06-15 22:49:00 +00:00
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2020-09-09 20:26:11 +00:00
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publisher := stream.NewEventPublisher(newTestSnapshotHandlers(s), 0)
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go publisher.Run(ctx)
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2020-06-17 22:15:45 +00:00
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s.db.publisher = publisher
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2020-07-08 04:31:22 +00:00
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sub, err := publisher.Subscribe(subscription)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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eventCh := testRunSub(sub)
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// Stream should get EndOfSnapshot
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e := assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot())
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2020-06-02 22:37:10 +00:00
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// Update an unrelated role (the token has role testRoleID_B).
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role := structs.ACLRole{
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ID: testRoleID_A,
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Name: "unrelated-role",
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Description: "test",
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}
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role.SetHash(false)
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require.NoError(s.ACLRoleSet(3, &role))
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// Ensure there's no reload event.
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assertNoEvent(t, eventCh)
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// Now update the role used by the token in the subscriber.
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role2 := structs.ACLRole{
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ID: testRoleID_B,
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Name: "my-new-role",
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Description: "changed",
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}
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role2.SetHash(false)
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require.NoError(s.ACLRoleSet(4, &role2))
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// Ensure the reload event was sent.
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assertReset(t, eventCh, false)
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// Register another subscription.
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2020-06-15 22:49:00 +00:00
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subscription2 := &stream.SubscribeRequest{
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2020-06-17 22:15:45 +00:00
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Topic: topicService,
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2020-06-02 22:37:10 +00:00
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Key: "nope",
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Token: token.SecretID,
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}
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2020-07-08 04:31:22 +00:00
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sub, err = publisher.Subscribe(subscription2)
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2020-06-02 22:37:10 +00:00
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require.NoError(err)
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eventCh = testRunSub(sub)
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// Ignore the end of snapshot event
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e = assertEvent(t, eventCh)
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2020-06-15 22:49:00 +00:00
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require.True(e.IsEndOfSnapshot(), "event should be a EoS got %v", e)
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2020-06-02 22:37:10 +00:00
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// Delete the unrelated policy.
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require.NoError(s.ACLRoleDeleteByID(5, testRoleID_A, nil))
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// Ensure there's no reload event.
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assertNoEvent(t, eventCh)
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// Delete the policy used by the subscriber.
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require.NoError(s.ACLRoleDeleteByID(6, testRoleID_B, nil))
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// Ensure the reload event was sent.
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assertReset(t, eventCh, false)
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}
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2020-07-06 20:15:13 +00:00
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type nextResult struct {
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2020-10-05 16:38:38 +00:00
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Event stream.Event
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Err error
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2020-07-06 20:15:13 +00:00
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}
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func testRunSub(sub *stream.Subscription) <-chan nextResult {
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eventCh := make(chan nextResult, 1)
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go func() {
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for {
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2020-07-08 04:31:22 +00:00
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|
|
es, err := sub.Next(context.TODO())
|
2020-07-06 20:15:13 +00:00
|
|
|
eventCh <- nextResult{
|
2020-10-05 16:38:38 +00:00
|
|
|
Event: es,
|
|
|
|
Err: err,
|
2020-07-06 20:15:13 +00:00
|
|
|
}
|
|
|
|
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)
|
2020-10-05 16:38:38 +00:00
|
|
|
require.Len(t, next.Event, 1)
|
|
|
|
t.Fatalf("got unwanted event: %#v", next.Event.Payload)
|
2020-07-06 20:15:13 +00:00
|
|
|
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)
|
2020-10-05 16:38:38 +00:00
|
|
|
return &next.Event
|
2020-07-06 20:15:13 +00:00
|
|
|
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 {
|
2020-10-05 16:38:38 +00:00
|
|
|
if next.Err == nil && next.Event.IsEndOfSnapshot() {
|
2020-07-06 20:15:13 +00:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
require.Error(t, next.Err)
|
2020-10-15 22:06:04 +00:00
|
|
|
require.Equal(t, stream.ErrSubForceClosed, next.Err)
|
2020-07-06 20:15:13 +00:00
|
|
|
return
|
2020-07-08 04:31:22 +00:00
|
|
|
case <-time.After(100 * time.Millisecond):
|
2020-07-06 20:15:13 +00:00
|
|
|
t.Fatalf("no err after 100ms")
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-15 19:04:33 +00:00
|
|
|
type topic string
|
|
|
|
|
|
|
|
func (t topic) String() string {
|
|
|
|
return string(t)
|
|
|
|
}
|
|
|
|
|
|
|
|
var topicService topic = "test-topic-service"
|
2020-07-06 20:15:13 +00:00
|
|
|
|
2020-07-06 22:44:51 +00:00
|
|
|
func newTestSnapshotHandlers(s *Store) stream.SnapshotHandlers {
|
|
|
|
return stream.SnapshotHandlers{
|
2020-07-14 23:23:44 +00:00
|
|
|
topicService: func(req stream.SubscribeRequest, snap stream.SnapshotAppender) (uint64, error) {
|
2020-07-06 22:44:51 +00:00
|
|
|
idx, nodes, err := s.ServiceNodes(nil, req.Key, nil)
|
|
|
|
if err != nil {
|
|
|
|
return idx, err
|
|
|
|
}
|
2020-07-06 20:15:13 +00:00
|
|
|
|
2020-07-06 22:44:51 +00:00
|
|
|
for _, node := range nodes {
|
|
|
|
event := stream.Event{
|
|
|
|
Topic: req.Topic,
|
|
|
|
Index: node.ModifyIndex,
|
2020-10-27 18:40:06 +00:00
|
|
|
Payload: nodePayload{node: node, key: req.Key},
|
2020-07-06 20:15:13 +00:00
|
|
|
}
|
2020-07-06 22:44:51 +00:00
|
|
|
snap.Append([]stream.Event{event})
|
|
|
|
}
|
|
|
|
return idx, nil
|
2020-07-06 20:15:13 +00:00
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-10-27 18:40:06 +00:00
|
|
|
type nodePayload struct {
|
|
|
|
key string
|
|
|
|
node *structs.ServiceNode
|
|
|
|
}
|
|
|
|
|
2020-11-06 00:18:37 +00:00
|
|
|
func (p nodePayload) MatchesKey(key, _ string) bool {
|
2020-10-27 18:40:06 +00:00
|
|
|
return p.key == key
|
|
|
|
}
|
|
|
|
|
2020-11-05 22:57:25 +00:00
|
|
|
func (p nodePayload) HasReadPermission(acl.Authorizer) bool {
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2020-07-06 20:15:13 +00:00
|
|
|
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...
|
2020-07-08 04:31:22 +00:00
|
|
|
req := &stream.SubscribeRequest{
|
2020-07-06 20:15:13 +00:00
|
|
|
Topic: topicService,
|
|
|
|
Key: "nope",
|
|
|
|
Token: token.SecretID,
|
|
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
|
|
|
defer cancel()
|
|
|
|
|
2020-09-09 20:26:11 +00:00
|
|
|
publisher := stream.NewEventPublisher(newTestSnapshotHandlers(s), 0)
|
|
|
|
go publisher.Run(ctx)
|
|
|
|
|
2020-07-06 20:15:13 +00:00
|
|
|
s.db.publisher = publisher
|
2020-07-08 04:31:22 +00:00
|
|
|
sub, err := publisher.Subscribe(req)
|
2020-07-06 20:15:13 +00:00
|
|
|
require.NoError(t, err)
|
2020-07-08 04:31:22 +00:00
|
|
|
defer sub.Unsubscribe()
|
2020-07-06 20:15:13 +00:00
|
|
|
|
|
|
|
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
|
|
|
|
}
|