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Add NATS JetStream support (#1866)

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* Add NATS JetStream support
Update shopify/sarama

* Fix addresses

* Don't change Addresses in Defaults

* Update saramajetstream

* Add missing error check

Keep typing events for at least one minute

* Use all configured NATS addresses

* Update saramajetstream

* Try setting up with NATS

* Make sure NATS uses own persistent directory (TODO: make this configurable)

* Update go.mod/go.sum

* Jetstream package

* Various other refactoring

* Build fixes

* Config tweaks, make random jetstream storage path for CI

* Disable interest policies

* Try to sane default on jetstream base path

* Try to use in-memory for CI

* Restore storage/retention

* Update nats.go dependency

* Adapt changes to config

* Remove unneeded TopicFor

* Dep update

* Revert "Remove unneeded TopicFor"

This reverts commit f5a4e4a339.

* Revert changes made to streams

* Fix build problems

* Update nats-server

* Update go.mod/go.sum

* Roomserver input API queuing using NATS

* Fix topic naming

* Prometheus metrics

* More refactoring to remove saramajetstream

* Add missing topic

* Don't try to populate map that doesn't exist

* Roomserver output topic

* Update go.mod/go.sum

* Message acknowledgements

* Ack tweaks

* Try to resume transaction re-sends

* Try to resume transaction re-sends

* Update to matrix-org/gomatrixserverlib@91dadfb

* Remove internal.PartitionStorer from components that don't consume keychanges

* Try to reduce re-allocations a bit in resolveConflictsV2

* Tweak delivery options on RS input

* Publish send-to-device messages into correct JetStream subject

* Async and sync roomserver input

* Update dendrite-config.yaml

* Remove roomserver tests for now (they need rewriting)

* Remove roomserver test again (was merged back in)

* Update documentation

* Docker updates

* More Docker updates

* Update Docker readme again

* Fix lint issues

* Send final event in `processEvent` synchronously (since this might stop Sytest from being so upset)

* Don't report event rejection errors via `/send`, since apparently this is upsetting tests that don't expect that

* Go 1.16 instead of Go 1.13 for upgrade tests and Complement

* Revert "Don't report event rejection errors via `/send`, since apparently this is upsetting tests that don't expect that"

This reverts commit 368675283f.

* Don't report any errors on `/send` to see what fun that creates

* Fix panics on closed channel sends

* Enforce state key matches sender

* Do the same for leave

* Various tweaks to make tests happier

Squashed commit of the following:

commit 13f9028e7a
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 15:47:14 2022 +0000

    Do the same for leave

commit e6be7f05c3
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 15:33:42 2022 +0000

    Enforce state key matches sender

commit 85ede6d64b
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 14:07:04 2022 +0000

    Fix panics on closed channel sends

commit 9755494a98
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 13:38:22 2022 +0000

    Don't report any errors on `/send` to see what fun that creates

commit 3bb4f87b5d
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 13:00:26 2022 +0000

    Revert "Don't report event rejection errors via `/send`, since apparently this is upsetting tests that don't expect that"

    This reverts commit 368675283f.

commit fe2673ed7b
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 12:09:34 2022 +0000

    Go 1.16 instead of Go 1.13 for upgrade tests and Complement

commit 368675283f
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 11:51:45 2022 +0000

    Don't report event rejection errors via `/send`, since apparently this is upsetting tests that don't expect that

commit b028dfc085
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Tue Jan 4 10:29:08 2022 +0000

    Send final event in `processEvent` synchronously (since this might stop Sytest from being so upset)

* Merge in NATS Server v2.6.6 and nats.go v1.13 into the in-process connection fork

* Add `jetstream.WithJetStreamMessage` to make ack/nak-ing less messy, use process context in consumers

* Fix consumer component name in  federation API

* Add comment explaining where streams are defined

* Tweaks to roomserver input with comments

* Finish that sentence that I apparently forgot to finish in INSTALL.md

* Bump version number of config to 2

* Add comments around asynchronous sends to roomserver in processEventWithMissingState

* More useful error message when the config version does not match

* Set version in generate-config

* Fix version in config.Defaults

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
This commit is contained in:
S7evinK 2022-01-05 18:44:49 +01:00 • committed by GitHub
parent a47b12dc7d
commit 161f145176
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GPG key ID: 4AEE18F83AFDEB23
75 changed files with 1317 additions and 1696 deletions
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150
federationapi/consumers/roomserver.go
View file

@ -19,117 +19,115 @@ import (
"encoding/json"
"fmt"
"github.com/Shopify/sarama"
"github.com/matrix-org/dendrite/federationapi/queue"
"github.com/matrix-org/dendrite/federationapi/storage"
"github.com/matrix-org/dendrite/federationapi/types"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/dendrite/setup/process"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
log "github.com/sirupsen/logrus"
)
// OutputRoomEventConsumer consumes events that originated in the room server.
type OutputRoomEventConsumer struct {
cfg *config.FederationAPI
rsAPI api.RoomserverInternalAPI
rsConsumer *internal.ContinualConsumer
db storage.Database
queues *queue.OutgoingQueues
ctx context.Context
cfg *config.FederationAPI
rsAPI api.RoomserverInternalAPI
jetstream nats.JetStreamContext
db storage.Database
queues *queue.OutgoingQueues
topic string
}
// NewOutputRoomEventConsumer creates a new OutputRoomEventConsumer. Call Start() to begin consuming from room servers.
func NewOutputRoomEventConsumer(
process *process.ProcessContext,
cfg *config.FederationAPI,
kafkaConsumer sarama.Consumer,
js nats.JetStreamContext,
queues *queue.OutgoingQueues,
store storage.Database,
rsAPI api.RoomserverInternalAPI,
) *OutputRoomEventConsumer {
consumer := internal.ContinualConsumer{
Process: process,
ComponentName: "federationapi/roomserver",
Topic: string(cfg.Matrix.Kafka.TopicFor(config.TopicOutputRoomEvent)),
Consumer: kafkaConsumer,
PartitionStore: store,
return &OutputRoomEventConsumer{
ctx: process.Context(),
cfg: cfg,
jetstream: js,
db: store,
queues: queues,
rsAPI: rsAPI,
topic: cfg.Matrix.JetStream.TopicFor(jetstream.OutputRoomEvent),
}
s := &OutputRoomEventConsumer{
cfg: cfg,
rsConsumer: &consumer,
db: store,
queues: queues,
rsAPI: rsAPI,
}
consumer.ProcessMessage = s.onMessage
return s
}
// Start consuming from room servers
func (s *OutputRoomEventConsumer) Start() error {
return s.rsConsumer.Start()
_, err := s.jetstream.Subscribe(s.topic, s.onMessage)
return err
}
// onMessage is called when the federation server receives a new event from the room server output log.
// It is unsafe to call this with messages for the same room in multiple gorountines
// because updates it will likely fail with a types.EventIDMismatchError when it
// realises that it cannot update the room state using the deltas.
func (s *OutputRoomEventConsumer) onMessage(msg *sarama.ConsumerMessage) error {
// Parse out the event JSON
var output api.OutputEvent
if err := json.Unmarshal(msg.Value, &output); err != nil {
// If the message was invalid, log it and move on to the next message in the stream
log.WithError(err).Errorf("roomserver output log: message parse failure")
return nil
}
switch output.Type {
case api.OutputTypeNewRoomEvent:
ev := output.NewRoomEvent.Event
if output.NewRoomEvent.RewritesState {
if err := s.db.PurgeRoomState(context.TODO(), ev.RoomID()); err != nil {
return fmt.Errorf("s.db.PurgeRoom: %w", err)
}
func (s *OutputRoomEventConsumer) onMessage(msg *nats.Msg) {
jetstream.WithJetStreamMessage(msg, func(msg *nats.Msg) bool {
// Parse out the event JSON
var output api.OutputEvent
if err := json.Unmarshal(msg.Data, &output); err != nil {
// If the message was invalid, log it and move on to the next message in the stream
log.WithError(err).Errorf("roomserver output log: message parse failure")
return true
}
if err := s.processMessage(*output.NewRoomEvent); err != nil {
switch err.(type) {
case *queue.ErrorFederationDisabled:
log.WithField("error", output.Type).Info(
err.Error(),
)
default:
// panic rather than continue with an inconsistent database
switch output.Type {
case api.OutputTypeNewRoomEvent:
ev := output.NewRoomEvent.Event
if output.NewRoomEvent.RewritesState {
if err := s.db.PurgeRoomState(s.ctx, ev.RoomID()); err != nil {
log.WithError(err).Errorf("roomserver output log: purge room state failure")
return false
}
}
if err := s.processMessage(*output.NewRoomEvent); err != nil {
switch err.(type) {
case *queue.ErrorFederationDisabled:
log.WithField("error", output.Type).Info(
err.Error(),
)
default:
// panic rather than continue with an inconsistent database
log.WithFields(log.Fields{
"event_id": ev.EventID(),
"event": string(ev.JSON()),
"add": output.NewRoomEvent.AddsStateEventIDs,
"del": output.NewRoomEvent.RemovesStateEventIDs,
log.ErrorKey: err,
}).Panicf("roomserver output log: write room event failure")
}
}
case api.OutputTypeNewInboundPeek:
if err := s.processInboundPeek(*output.NewInboundPeek); err != nil {
log.WithFields(log.Fields{
"event_id": ev.EventID(),
"event": string(ev.JSON()),
"add": output.NewRoomEvent.AddsStateEventIDs,
"del": output.NewRoomEvent.RemovesStateEventIDs,
"event": output.NewInboundPeek,
log.ErrorKey: err,
}).Panicf("roomserver output log: write room event failure")
}).Panicf("roomserver output log: remote peek event failure")
return false
}
return nil
}
case api.OutputTypeNewInboundPeek:
if err := s.processInboundPeek(*output.NewInboundPeek); err != nil {
log.WithFields(log.Fields{
"event": output.NewInboundPeek,
log.ErrorKey: err,
}).Panicf("roomserver output log: remote peek event failure")
return nil
}
default:
log.WithField("type", output.Type).Debug(
"roomserver output log: ignoring unknown output type",
)
return nil
}
return nil
default:
log.WithField("type", output.Type).Debug(
"roomserver output log: ignoring unknown output type",
)
}
return true
})
}
// processInboundPeek starts tracking a new federated inbound peek (replacing the existing one if any)
@ -146,7 +144,7 @@ func (s *OutputRoomEventConsumer) processInboundPeek(orp api.OutputNewInboundPee
//
// This is making the tests flakey.
return s.db.AddInboundPeek(context.TODO(), orp.ServerName, orp.RoomID, orp.PeekID, orp.RenewalInterval)
return s.db.AddInboundPeek(s.ctx, orp.ServerName, orp.RoomID, orp.PeekID, orp.RenewalInterval)
}
// processMessage updates the list of currently joined hosts in the room
@ -162,7 +160,7 @@ func (s *OutputRoomEventConsumer) processMessage(ore api.OutputNewRoomEvent) err
// TODO(#290): handle EventIDMismatchError and recover the current state by
// talking to the roomserver
oldJoinedHosts, err := s.db.UpdateRoom(
context.TODO(),
s.ctx,
ore.Event.RoomID(),
ore.LastSentEventID,
ore.Event.EventID(),
@ -255,7 +253,7 @@ func (s *OutputRoomEventConsumer) joinedHostsAtEvent(
}
// handle peeking hosts
inboundPeeks, err := s.db.GetInboundPeeks(context.TODO(), ore.Event.Event.RoomID())
inboundPeeks, err := s.db.GetInboundPeeks(s.ctx, ore.Event.Event.RoomID())
if err != nil {
return nil, err
}
@ -373,7 +371,7 @@ func (s *OutputRoomEventConsumer) lookupStateEvents(
// from the roomserver using the query API.
eventReq := api.QueryEventsByIDRequest{EventIDs: missing}
var eventResp api.QueryEventsByIDResponse
if err := s.rsAPI.QueryEventsByID(context.TODO(), &eventReq, &eventResp); err != nil {
if err := s.rsAPI.QueryEventsByID(s.ctx, &eventReq, &eventResp); err != nil {
return nil, err
}