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Generate importable workflow service JSON models #249

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8bba99f
first iteration of generating
spkane31 Apr 3, 2026
c4d5172
merge conflicts
spkane31 Apr 3, 2026
7a3c4c5
getting latest changes
spkane31 Apr 3, 2026
5ad0608
broke code gen
spkane31 Apr 6, 2026
394ec17
generate code after a fix
spkane31 Apr 6, 2026
c23ae09
merge conflicts
spkane31 Apr 6, 2026
44a4399
removing
spkane31 Apr 6, 2026
f85b476
updating
spkane31 Apr 6, 2026
e082f22
Generate importable workflow service JSON models
tconley1428 Apr 13, 2026
ff0dcfa
Rename generated temporal nexus payload visitor types
tconley1428 Apr 13, 2026
b272a38
Regenerate Go nexus payload visitor helpers
tconley1428 Apr 14, 2026
5bd4f5b
Visit system nexus envelopes in proxy visitor
tconley1428 Apr 14, 2026
e1f9ce4
Move Go system nexus decode to proxy caller
tconley1428 Apr 14, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
.idea
.gobincache
.go-helpers-installed
.go-nexus-installed
/descriptor_set.pb
32 changes: 26 additions & 6 deletions Makefile
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Expand Up @@ -40,13 +40,33 @@ update-proto-submodule:
printf $(COLOR) "Update proto-submodule..."
git -c protocol.file.allow=always submodule update --init --force --remote $(PROTO_ROOT)

##### Compile proto files for go #####
grpc: http-api-docs go-grpc copy-helpers
NEXUS_RPC_GEN_SRC ?= $(HOME)/git/github.com/nexus-rpc/nexus-rpc-gen
NEXUS_SCHEMA_ROOT := $(PROTO_ROOT)/nexus
NEXUS_PROTO_OUT := workflowservice/v1/workflowservicenexus
NEXUS_JSON_OUT := workflowservice/v1/workflowservicenexus/json

# Only install helper when its source has changed
##### Compile proto files for go #####
grpc: http-api-docs go-grpc copy-helpers nexus-gen

nexus-gen:
printf $(COLOR) "Generate nexus service definitions..."
mkdir -p $(NEXUS_PROTO_OUT) $(NEXUS_JSON_OUT)
cd $(NEXUS_SCHEMA_ROOT) && nexus-rpc-gen \
--lang go \
--package workflowservicenexus \
--out-file $(CURDIR)/$(NEXUS_PROTO_OUT)/service_nexus.pb.go \
temporal-proto-models-nexusrpc.yaml
cd $(NEXUS_SCHEMA_ROOT) && nexus-rpc-gen \
--lang go \
--package json \
--temporal-nexus-payload-codec-support \
--out-file $(CURDIR)/$(NEXUS_JSON_OUT)/service_nexus.go \
temporal-json-schema-models-nexusrpc.yaml

# Only install helpers when their source has changed
HELPER_FILES = $(shell find ./cmd/protoc-gen-go-helpers)
.go-helpers-installed: $(HELPER_FILES)
printf $(COLOR) "Installing protoc plugin"
printf $(COLOR) "Installing protoc-gen-go-helpers plugin"
@go install ./cmd/protoc-gen-go-helpers
@touch $@

Expand Down Expand Up @@ -105,8 +125,8 @@ gen-proto-desc:

##### Plugins & tools #####
grpc-install:
@printf $(COLOR) "Install/update grpc and plugins..."
@go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
@printf $(COLOR) "Install/update grpc plugins..."
@go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
@go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
@go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway@latest

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5 changes: 2 additions & 3 deletions cmd/proxygenerator/go.mod
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@@ -1,8 +1,6 @@
module go.temporal.io/api/cmd/proxygenerator

go 1.22.0

toolchain go1.24.0
go 1.25.4

replace go.temporal.io/api => ../..

Expand All @@ -14,6 +12,7 @@ require (

require (
github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84 // indirect
golang.org/x/mod v0.23.0 // indirect
golang.org/x/net v0.35.0 // indirect
golang.org/x/sync v0.11.0 // indirect
Expand Down
2 changes: 2 additions & 0 deletions cmd/proxygenerator/go.sum
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Expand Up @@ -12,6 +12,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 h1:e9Rjr40Z98/clHv5Yg79Is0NtosR5LXRvdr7o/6NwbA=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1/go.mod h1:tIxuGz/9mpox++sgp9fJjHO0+q1X9/UOWd798aAm22M=
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84 h1:SWHt3Coj0VvF0Km1A0wlY+IjnHKsjQLgO29io84r3wY=
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84/go.mod h1:n3UjF1bPCW8llR8tHvbxJ+27yPWrhpo8w/Yg1IOuY0Y=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
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71 changes: 68 additions & 3 deletions cmd/proxygenerator/interceptor.go
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4 changes: 3 additions & 1 deletion go.mod
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@@ -1,10 +1,12 @@
module go.temporal.io/api

go 1.21
go 1.25.4

require (
github.com/golang/mock v1.6.0
github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84
github.com/nexus-rpc/sdk-go v0.6.0
github.com/stretchr/testify v1.9.0
google.golang.org/genproto/googleapis/api v0.0.0-20240827150818-7e3bb234dfed
google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed
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4 changes: 4 additions & 0 deletions go.sum
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Expand Up @@ -11,6 +11,10 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84 h1:SWHt3Coj0VvF0Km1A0wlY+IjnHKsjQLgO29io84r3wY=
github.com/nexus-rpc/nexus-proto-annotations v0.0.0-20260330194009-e558d6edaf84/go.mod h1:n3UjF1bPCW8llR8tHvbxJ+27yPWrhpo8w/Yg1IOuY0Y=
github.com/nexus-rpc/sdk-go v0.6.0 h1:QRgnP2zTbxEbiyWG/aXH8uSC5LV/Mg1fqb19jb4DBlo=
github.com/nexus-rpc/sdk-go v0.6.0/go.mod h1:FHdPfVQwRuJFZFTF0Y2GOAxCrbIBNrcPna9slkGKPYk=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
Expand Down
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