chore(deps): bump github.com/centrifugal/centrifuge from 0.33.6 to 0.34.0 in the go_modules group across 1 directory

[dependabot]

Bumps the go_modules group with 1 update in the / directory: github.com/centrifugal/centrifuge.

Updates github.com/centrifugal/centrifuge from 0.33.6 to 0.34.0

Release notes

Sourced from github.com/centrifugal/centrifuge's releases.

v0.34.0 💻✨🔮✨💻

Centrifuge v0.34.0 aimed to be the base for Centrifugo v6 which was recently released. That's why a new release of Centrifuge contains notable improvements, new features and some breaking changes (nothing dramatic, should be super-simple to adopt, marked with ⚠️ below).

Support for sharded PUB/SUB in Redis Cluster

Support for sharded PUB/SUB in Redis Cluster. Please carefully read a comment for RedisBrokerConfig.NumShardedPubSubPartitions – the feature, while can be a great performance booster in Redis Cluster, may be really niche at the same time since it does not come for free and requires careful consideration before enabling.

The thing is that it reduces the number of shards in Redis Cluster to NumShardedPubSubPartitions number, and maintains a separate connection with each partition for effective PUB/SUB and guarantee that Centrifuge properly works with Redis Cluster shards.

See also addition discussion in issues/228 and information in Centrifugo release post.

Leverage Redis replicas

It's now possible to utilize Redis replicas in Redis cluster and Redis Sentinel setups to delegate channel subscriptions to them and delegate reading presence to them. To enable use RedisShardConfig.ReplicaClientEnabled and RedisBrokerConfig.SubscribeOnReplica/RedisPresenceManagerConfig.ReadFromReplica options.

Using replicas may help you staying on lower resources if you already have HA Redis setup!

Any Redis setup via address string

Possibility to use Redis address with special schemes redis+cluster:// and redis+sentinel:// so that it's now possible to fully configure any Redis configuration by using a single string.

Examples for single Redis, Redis Cluster, Redis Sentinel:

redis://user:[email protected]:6379/0
redis+cluster://127.0.0.1:7000
redis+sentinel://localhost:26379?sentinel_master_name=mymaster

Channel namespace resolution for metrics

Now channel namespace resolution of metrics (achievable using GetChannelNamespaceLabel func) works for all metrics related to channels. Internally we added Centrifuge-level cache to speed up getting the channel namespace label, but still please keep GetChannelNamespaceLabel fast since Centrifuge cache expires from time to time.

⚠️ Options ChannelNamespaceLabelForTransportMessagesReceived and ChannelNamespaceLabelForTransportMessagesSent were removed to simplify channel namespace resolution configuration – it will just work for all metrics once GetChannelNamespaceLabel func provided in the configuration.

Redis benchmark tool

New Redis benchmark tool allows to put Centrifuge specific load on Redis setup.

Headers emulation

Centrifuge now has headers emulation support. See ConnectEvent.Headers.

In Centrifugo v6 this field is used to transfer headers natively in proxy requests to the backend, but when using Centrifuge library it's up to developer to decide how to use the headers map.

New metrics

Added a bunch of new useful metrics. Like client connections inflight and client subscriptions inflight. Those may give you great observability insights previously missing.

⚠️ Centrifuge now moved metrics related metrics to MetricsConfig struct, it may require developer to update how Centrifuge config is created.

... (truncated)

Commits

• 709ffeb up dependencies (#450)
• 99662e6 Bump google.golang.org/protobuf from 1.35.1 to 1.36.3 (#449)
• 66e8709 rueidis v1.0.53 (#448)
• 2a4eccd go mod tidy
• 81f7854 centrifuge v0.34.0 changes (#441)
• See full diff in compare view

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[github-actions]

Manual Tests

ℹ️ Remember to ask team members to perform manual tests and to assign tested label after testing.

[github-actions]

Manual Tests

💚 Manual testing by @wregulski resulted in success.