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dendrite/setup/jetstream/helpers.go

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Add NATS JetStream support (#1866) * 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 f5a4e4a339b6f94ec215778dca22204adaa893d1. * 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 368675283fc44501f227639811bdb16dd5deef8c. * 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 13f9028e7a63662759ce7c55504a9d2423058668 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:47:14 2022 +0000 Do the same for leave commit e6be7f05c349fafbdddfe818337a17a60c867be1 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:33:42 2022 +0000 Enforce state key matches sender commit 85ede6d64bf10ce9b91cdd6d80f87350ee55242f Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 14:07:04 2022 +0000 Fix panics on closed channel sends commit 9755494a98bed62450f8001d8128e40481d27e15 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 3bb4f87b5dd56882febb4db5621db484c8789b7c 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 368675283fc44501f227639811bdb16dd5deef8c. commit fe2673ed7be9559eaca134424e403a4faca100b0 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 368675283fc44501f227639811bdb16dd5deef8c 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 b028dfc08577bcf52e6cb498026e15fa5d46d07c 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>
2022-01-05 18:44:49 +01:00
package jetstream
import (
"context"
"fmt"
"github.com/getsentry/sentry-go"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
)
// JetStreamConsumer starts a durable consumer on the given subject with the
// given durable name. The function will be called when one or more messages
// is available, up to the maximum batch size specified. If the batch is set to
// 1 then messages will be delivered one at a time. If the function is called,
// the messages array is guaranteed to be at least 1 in size. Any provided NATS
// options will be passed through to the pull subscriber creation. The consumer
// will continue to run until the context expires, at which point it will stop.
func JetStreamConsumer(
ctx context.Context, js nats.JetStreamContext, subj, durable string, batch int,
f func(ctx context.Context, msgs []*nats.Msg) bool,
opts ...nats.SubOpt,
) error {
defer func() {
// If there are existing consumers from before they were pull
// consumers, we need to clean up the old push consumers. However,
// in order to not affect the interest-based policies, we need to
// do this *after* creating the new pull consumers, which have
// "Pull" suffixed to their name.
if _, err := js.ConsumerInfo(subj, durable); err == nil {
if err := js.DeleteConsumer(subj, durable); err != nil {
logrus.WithContext(ctx).Warnf("Failed to clean up old consumer %q", durable)
}
}
}()
name := durable + "Pull"
sub, err := js.PullSubscribe(subj, name, opts...)
if err != nil {
sentry.CaptureException(err)
return fmt.Errorf("nats.SubscribeSync: %w", err)
Add NATS JetStream support (#1866) * 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 f5a4e4a339b6f94ec215778dca22204adaa893d1. * 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 368675283fc44501f227639811bdb16dd5deef8c. * 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 13f9028e7a63662759ce7c55504a9d2423058668 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:47:14 2022 +0000 Do the same for leave commit e6be7f05c349fafbdddfe818337a17a60c867be1 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:33:42 2022 +0000 Enforce state key matches sender commit 85ede6d64bf10ce9b91cdd6d80f87350ee55242f Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 14:07:04 2022 +0000 Fix panics on closed channel sends commit 9755494a98bed62450f8001d8128e40481d27e15 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 3bb4f87b5dd56882febb4db5621db484c8789b7c 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 368675283fc44501f227639811bdb16dd5deef8c. commit fe2673ed7be9559eaca134424e403a4faca100b0 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 368675283fc44501f227639811bdb16dd5deef8c 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 b028dfc08577bcf52e6cb498026e15fa5d46d07c 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>
2022-01-05 18:44:49 +01:00
}
go func() {
for {
2022-04-27 16:29:49 +02:00
// If the parent context has given up then there's no point in
// carrying on doing anything, so stop the listener.
select {
case <-ctx.Done():
if err := sub.Unsubscribe(); err != nil {
logrus.WithContext(ctx).Warnf("Failed to unsubscribe %q", durable)
}
return
default:
}
// The context behaviour here is surprising — we supply a context
// so that we can interrupt the fetch if we want, but NATS will still
// enforce its own deadline (roughly 5 seconds by default). Therefore
// it is our responsibility to check whether our context expired or
// not when a context error is returned. Footguns. Footguns everywhere.
msgs, err := sub.Fetch(batch, nats.Context(ctx))
if err != nil {
if err == context.Canceled || err == context.DeadlineExceeded {
// Work out whether it was the JetStream context that expired
// or whether it was our supplied context.
select {
case <-ctx.Done():
// The supplied context expired, so we want to stop the
// consumer altogether.
return
default:
// The JetStream context expired, so the fetch probably
// just timed out and we should try again.
continue
}
} else {
// Something else went wrong, so we'll panic.
sentry.CaptureException(err)
logrus.WithContext(ctx).WithField("subject", subj).Fatal(err)
}
}
if len(msgs) < 1 {
continue
}
for _, msg := range msgs {
if err = msg.InProgress(nats.Context(ctx)); err != nil {
logrus.WithContext(ctx).WithField("subject", subj).Warn(fmt.Errorf("msg.InProgress: %w", err))
sentry.CaptureException(err)
continue
}
}
if f(ctx, msgs) {
for _, msg := range msgs {
if err = msg.AckSync(nats.Context(ctx)); err != nil {
logrus.WithContext(ctx).WithField("subject", subj).Warn(fmt.Errorf("msg.AckSync: %w", err))
sentry.CaptureException(err)
}
}
} else {
for _, msg := range msgs {
if err = msg.Nak(nats.Context(ctx)); err != nil {
logrus.WithContext(ctx).WithField("subject", subj).Warn(fmt.Errorf("msg.Nak: %w", err))
sentry.CaptureException(err)
}
}
}
}
}()
return nil
Add NATS JetStream support (#1866) * 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 f5a4e4a339b6f94ec215778dca22204adaa893d1. * 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 368675283fc44501f227639811bdb16dd5deef8c. * 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 13f9028e7a63662759ce7c55504a9d2423058668 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:47:14 2022 +0000 Do the same for leave commit e6be7f05c349fafbdddfe818337a17a60c867be1 Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 15:33:42 2022 +0000 Enforce state key matches sender commit 85ede6d64bf10ce9b91cdd6d80f87350ee55242f Author: Neil Alexander <neilalexander@users.noreply.github.com> Date: Tue Jan 4 14:07:04 2022 +0000 Fix panics on closed channel sends commit 9755494a98bed62450f8001d8128e40481d27e15 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 3bb4f87b5dd56882febb4db5621db484c8789b7c 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 368675283fc44501f227639811bdb16dd5deef8c. commit fe2673ed7be9559eaca134424e403a4faca100b0 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 368675283fc44501f227639811bdb16dd5deef8c 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 b028dfc08577bcf52e6cb498026e15fa5d46d07c 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>
2022-01-05 18:44:49 +01:00
}