Commit Graph

2 Commits (677e16a830f188d02d9ecadbe87e9813ffaf21eb)

Author SHA1 Message Date
Dan Upton 7a55de375c
xds: don't attempt to load-balance sessions for local proxies (#15789)
Previously, we'd begin a session with the xDS concurrency limiter
regardless of whether the proxy was registered in the catalog or in
the server's local agent state.

This caused problems for users who run `consul connect envoy` directly
against a server rather than a client agent, as the server's locally
registered proxies wouldn't be included in the limiter's capacity.

Now, the `ConfigSource` is responsible for beginning the session and we
only do so for services in the catalog.

Fixes: https://github.com/hashicorp/consul/issues/15753
2023-01-18 12:33:21 -06:00
Daniel Upton 653b8c4f9d proxycfg: server-local config entry data sources
This is the OSS portion of enterprise PR 2056.

This commit provides server-local implementations of the proxycfg.ConfigEntry
and proxycfg.ConfigEntryList interfaces, that source data from streaming events.

It makes use of the LocalMaterializer type introduced for peering replication,
adding the necessary support for authorization.

It also adds support for "wildcard" subscriptions (within a topic) to the event
publisher, as this is needed to fetch service-resolvers for all services when
configuring mesh gateways.

Currently, events will be emitted for just the ingress-gateway, service-resolver,
and mesh config entry types, as these are the only entries required by proxycfg
— the events will be emitted on topics named IngressGateway, ServiceResolver,
and MeshConfig topics respectively.

Though these events will only be consumed "locally" for now, they can also be
consumed via the gRPC endpoint (confirmed using grpcurl) so using them from
client agents should be a case of swapping the LocalMaterializer for an
RPCMaterializer.
2022-07-04 10:48:36 +01:00