Add opentelemetry as a submodule for latest xDS API (#26850)

* Add opentelemetry

* Python changes for opentelemetry

* Add opentelemetry to check submodules

.gitmodules

@@ -49,3 +49,6 @@
 [submodule "third_party/opencensus-proto"]
 	path = third_party/opencensus-proto
 	url = https://github.com/census-instrumentation/opencensus-proto.git
+[submodule "third_party/opentelemetry"]
+	path = third_party/opentelemetry
+	url = https://github.com/open-telemetry/opentelemetry-proto.git

third_party/opentelemetry

@@ -0,0 +1 @@
+Subproject commit 60fa8754d890b5c55949a8c68dcfd7ab5c2395df

tools/distrib/python/.gitignore

@@ -7,3 +7,5 @@ validate/
 google/
 opencensus/
 xds/
+build/
+opentelemetry/

tools/distrib/python/xds_protos/build.py

@@ -36,6 +36,8 @@ GOOGLEAPIS_ROOT = os.path.join(GRPC_ROOT, 'third_party', 'googleapis')
 VALIDATE_ROOT = os.path.join(GRPC_ROOT, 'third_party', 'protoc-gen-validate')
 OPENCENSUS_PROTO_ROOT = os.path.join(GRPC_ROOT, 'third_party',
                                      'opencensus-proto', 'src')
+OPENTELEMETRY_PROTO_ROOT = os.path.join(GRPC_ROOT, 'third_party',
+                                        'opentelemetry')
 WELL_KNOWN_PROTOS_INCLUDE = pkg_resources.resource_filename(
     'grpc_tools', '_proto')
 OUTPUT_PATH = WORK_DIR
@@ -68,6 +70,7 @@ COMPILE_PROTO_ONLY = [
     '--proto_path={}'.format(VALIDATE_ROOT),
     '--proto_path={}'.format(WELL_KNOWN_PROTOS_INCLUDE),
     '--proto_path={}'.format(OPENCENSUS_PROTO_ROOT),
+    '--proto_path={}'.format(OPENTELEMETRY_PROTO_ROOT),
     '--python_out={}'.format(OUTPUT_PATH),
 ]
 COMPILE_BOTH = COMPILE_PROTO_ONLY + ['--grpc_python_out={}'.format(OUTPUT_PATH)]
@@ -121,11 +124,13 @@ def main():
     compile_protos(GOOGLEAPIS_ROOT, os.path.join('google', 'type'))
     compile_protos(VALIDATE_ROOT, 'validate')
     compile_protos(OPENCENSUS_PROTO_ROOT)
+    compile_protos(OPENTELEMETRY_PROTO_ROOT)
 
     # Generate __init__.py files for all modules
     create_init_file(WORK_DIR)
     for proto_root_module in [
-            'envoy', 'google', 'opencensus', 'udpa', 'validate', 'xds'
+            'envoy', 'google', 'opencensus', 'udpa', 'validate', 'xds',
+            'opentelemetry'
     ]:
         for root, _, _ in os.walk(os.path.join(WORK_DIR, proto_root_module)):
             package_path = os.path.relpath(root, WORK_DIR)

tools/distrib/python/xds_protos/setup.py

@@ -38,7 +38,7 @@ INSTALL_REQUIRES = [
 SETUP_REQUIRES = INSTALL_REQUIRES + ['grpcio-tools']
 setuptools.setup(
     name='xds-protos',
-    version='0.0.10',
+    version='0.0.11',
     packages=PACKAGES,
     description='Generated Python code from envoyproxy/data-plane-api',
     long_description_content_type='text/x-rst',

tools/run_tests/sanity/check_submodules.sh

@@ -36,6 +36,7 @@ third_party/googleapis 82944da21578a53b74e547774cf62ed31a05b841
 third_party/googletest c9ccac7cb7345901884aabf5d1a786cfa6e2f397
 third_party/libuv 15ae750151ac9341e5945eb38f8982d59fb99201
 third_party/opencensus-proto 4aa53e15cbf1a47bc9087e6cfdca214c1eea4e89
+third_party/opentelemetry 60fa8754d890b5c55949a8c68dcfd7ab5c2395df
 third_party/protobuf 436bd7880e458532901c58f4d9d1ea23fa7edd52
 third_party/protoc-gen-validate 872b28c457822ed9c2a5405da3c33f386ac0e86f
 third_party/re2 aecba11114cf1fac5497aeb844b6966106de3eb6