Mike, Bryan - thanks for the info and the offer of help exploring self describing messages - I’ll leave the JIRA ticket for the time being to avoid wasting your time, but if we proceed with development I’ll get back in touch / contribute wherever possible.
Thanks, Chris > On 12 Aug 2020, at 20:11, Michael Hogue <michael.p.hogu...@gmail.com> wrote: > > Chris, > > Currently, the Invoke/Listen grpc processors are bound to a specific proto > IDL defined here: > https://github.com/apache/nifi/blob/main/nifi-nar-bundles/nifi-grpc-bundle/nifi-grpc-processors/src/main/resources/proto/flowfile_service.proto > > <https://github.com/apache/nifi/blob/main/nifi-nar-bundles/nifi-grpc-bundle/nifi-grpc-processors/src/main/resources/proto/flowfile_service.proto> > > When we originally put these together, there wasn't an explicit need for > arbitrary proto IDLs. It may be possible to leverage self-describing messages > documented here: > https://developers.google.com/protocol-buffers/docs/techniques#self-description > > <https://developers.google.com/protocol-buffers/docs/techniques#self-description> > > However, i've not used them personally. If you're interested, create a > Jira ticket and that can be explored. I'm happy to help with the exploration > since I helped put these together originally. > > Thanks, > Mike > > From: Chris Nicholas <chris.nicho...@qumo.do> > Date: Tue, Aug 11, 2020 at 9:21 AM > Subject: InvokeGRPC with External Proto > To: <users@nifi.apache.org <mailto:users@nifi.apache.org>> > > > Hi, > I need to wire an external gRPC service into Nifi - could anyone provide some > pointers on how to change the service IDL / proto within the InvokeGRPC > processor to support the existing external gRPC service proto definitions? > Am trying to avoid having to writing a middleware processor to invoke the > external service ideally. > Thanks > Chris
