Add validation of new protoc against Jaeger repos (#39)

* Add validation of new protoc against Jaeger repos

Signed-off-by: Yuri Shkuro <[email protected]>

.github/workflows/build-and-publish.yml

@@ -1,15 +1,17 @@
 name: Docker Image
 on:
  push:
- tags:
- - '**'
- branches:
- - main
+ branches: [main]
  pull_request:
+ branches: [main]
  paths:
- - .github/workflows/jaeger-dockerimage.yml
- - Dockerfile
- - protoc-wrapper
+ - .github/workflows/jaeger-dockerimage.yml
+ - Dockerfile
+ - protoc-wrapper
+ release:
+ types: [published]
+ # allow running release workflow manually
+ workflow_dispatch:
 
 jobs:
  build:
@@ -56,3 +58,34 @@ jobs:
  cache-from: type=gha
  cache-to: type=gha,mode=max
  platforms: linux/amd64,linux/arm64
+
+ # The following steps run only on pull requests and validate
+ # that the new image can run successfully in Jaeger repos.
+ # We do not check if the generated files would be different there,
+ # only that the build does not fail.
+
+ - name: Checkout Jaeger for validation
+ if: github.event_name == 'pull_request'
+ uses: actions/checkout@v4
+ with:
+ repository: jaegertracing/jaeger
+ submodules: recursive
+ path: jaeger
+
+ - name: Build Proto in Jaeger
+ if: github.event_name == 'pull_request'
+ working-directory: jaeger
+ run: make proto JAEGER_DOCKER_PROTOBUF=protobuf
+
+ - name: Checkout jaeger-idl for validation
+ if: github.event_name == 'pull_request'
+ uses: actions/checkout@v4
+ with:
+ repository: jaegertracing/jaeger-idl
+ submodules: recursive
+ path: jaeger-idl
+
+ - name: Build Proto in jaeger-idl
+ if: github.event_name == 'pull_request'
+ working-directory: jaeger-idl
+ run: make proto PROTOC_IMAGE=protobuf