Java also supports that A47 federation proposal - also see https://github.com/grpc/grpc-java/pull/10099
On Monday, April 24, 2023 at 11:17:12 PM UTC-7 Gabriel Bordovský wrote: > Thanks, this looks like the thing I was looking for. We are using C++, but > there are also RUST and Java clients in our company. > > Dne pondělí 24. dubna 2023 v 21:07:47 UTC+2 uživatel [email protected] > napsal: > >> Take a look at >> https://github.com/grpc/proposal/blob/master/A47-xds-federation.md which >> describes how multiple xds servers are specified in the bootstrap file and >> the federation use-case. Which gRPC language are you using? >> >> On Monday, April 17, 2023 at 2:26:12 PM UTC+5:30 Gabriel Bordovský wrote: >> >>> Hi, >>> I work in a company that uses separate infrastructure (an internal k8s >>> cluster) for separated teams. >>> Now these teams modernize their services and often use gRPC. >>> We want to employ the xDS for time-sensitive components while each team >>> providing some service is responsible for its own xDS server/control plane. >>> >>> We currently have an issue where one service should aggregate the >>> results of two (or possibly more) others provided by other teams. >>> The idea was to create two separate gRPC clients, one for each xDS >>> server. But as for [documentation/proposal]( >>> https://github.com/grpc/proposal/blob/master/A27-xds-global-load-balancing.md) >>> >>> the xDS client is configured using a bootstrap file specified by an >>> environmental variable `GRPC_XDS_BOOTSTRAP`. This file does not support >>> multiple servers ("xds_servers" is an array, but only the first element is >>> currently used and in the future, the others should be fallbacks). >>> >>> My question is if there is a recommended way to connect to multiple xDS >>> servers? >>> >>> The only solution I can think of now is to modify the >>> `GRPC_XDS_BOOTSTRAP` variable between the creation of the separate clients, >>> which does not feel right and I am not sure how safe it will be. It could >>> work if the bootstrap file is read when the client is initialized and is >>> not referenced later... but there could be a ton of different issues. >>> >>> Best regards, >>> Gabriel Bordovský >> >> -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/74fb3ea5-0268-4ff1-bc80-6af399c4ac44n%40googlegroups.com.
