load("@com_envoyproxy_protoc_gen_validate//bazel:pgv_proto_library.bzl", "pgv_cc_proto_library") load("@com_github_grpc_grpc//bazel:cc_grpc_library.bzl", "cc_grpc_library") load("@com_google_protobuf//:protobuf.bzl", _py_proto_library = "py_proto_library") load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library") load("@io_bazel_rules_go//go:def.bzl", "go_test") load("@rules_proto//proto:defs.bzl", "proto_library") load( "//bazel:external_proto_deps.bzl", "EXTERNAL_PROTO_CC_BAZEL_DEP_MAP", "EXTERNAL_PROTO_GO_BAZEL_DEP_MAP", "EXTERNAL_PROTO_PY_BAZEL_DEP_MAP", ) EnvoyProtoDepsInfo = provider(fields = ["deps"]) _PY_PROTO_SUFFIX = "_py_proto" _CC_PROTO_SUFFIX = "_cc_proto" _CC_GRPC_SUFFIX = "_cc_grpc" _GO_PROTO_SUFFIX = "_go_proto" _GO_IMPORTPATH_PREFIX = "github.com/envoyproxy/go-control-plane/" _COMMON_PROTO_DEPS = [ "@com_google_protobuf//:any_proto", "@com_google_protobuf//:descriptor_proto", "@com_google_protobuf//:duration_proto", "@com_google_protobuf//:empty_proto", "@com_google_protobuf//:struct_proto", "@com_google_protobuf//:timestamp_proto", "@com_google_protobuf//:wrappers_proto", "@com_google_googleapis//google/api:http_proto", "@com_google_googleapis//google/api:httpbody_proto", "@com_google_googleapis//google/api:annotations_proto", "@com_google_googleapis//google/rpc:status_proto", "@com_envoyproxy_protoc_gen_validate//validate:validate_proto", ] def _proto_mapping(dep, proto_dep_map, proto_suffix): mapped = proto_dep_map.get(dep) if mapped == None: prefix = "@" + Label(dep).workspace_name if not dep.startswith("//") else "" return prefix + "//" + Label(dep).package + ":" + Label(dep).name + proto_suffix return mapped def _go_proto_mapping(dep): return _proto_mapping(dep, EXTERNAL_PROTO_GO_BAZEL_DEP_MAP, _GO_PROTO_SUFFIX) def _cc_proto_mapping(dep): return _proto_mapping(dep, EXTERNAL_PROTO_CC_BAZEL_DEP_MAP, _CC_PROTO_SUFFIX) def _py_proto_mapping(dep): return _proto_mapping(dep, EXTERNAL_PROTO_PY_BAZEL_DEP_MAP, _PY_PROTO_SUFFIX) # TODO(htuch): Convert this to native py_proto_library once # https://github.com/bazelbuild/bazel/issues/3935 and/or # https://github.com/bazelbuild/bazel/issues/2626 are resolved. def _api_py_proto_library(name, srcs = [], deps = []): mapped_deps = [_py_proto_mapping(dep) for dep in deps] mapped_unique_deps = {k: True for k in mapped_deps}.keys() _py_proto_library( name = name + _PY_PROTO_SUFFIX, srcs = srcs, default_runtime = "@com_google_protobuf//:protobuf_python", protoc = "@com_google_protobuf//:protoc", deps = mapped_unique_deps + [ "@com_envoyproxy_protoc_gen_validate//validate:validate_py", "@com_google_googleapis//google/rpc:status_py_proto", "@com_google_googleapis//google/api:annotations_py_proto", "@com_google_googleapis//google/api:http_py_proto", "@com_google_googleapis//google/api:httpbody_py_proto", ], visibility = ["//visibility:public"], ) # This defines googleapis py_proto_library. The repository does not provide its definition and requires # overriding it in the consuming project (see https://github.com/grpc/grpc/issues/19255 for more details). def py_proto_library(name, deps = [], plugin = None): srcs = [dep[:-6] + ".proto" if dep.endswith("_proto") else dep for dep in deps] proto_deps = [] # py_proto_library in googleapis specifies *_proto rules in dependencies. # By rewriting *_proto to *.proto above, the dependencies in *_proto rules are not preserved. # As a workaround, manually specify the proto dependencies for the imported python rules. if name == "annotations_py_proto": proto_deps = proto_deps + [":http_py_proto"] # checked.proto depends on syntax.proto, we have to add this dependency manually as well. if name == "checked_py_proto": proto_deps = proto_deps + [":syntax_py_proto"] # Special handling for expr_proto target if srcs[0] == ":expr_moved.proto": srcs = ["checked.proto", "eval.proto", "explain.proto", "syntax.proto", "value.proto"] proto_deps = proto_deps + ["@com_google_googleapis//google/rpc:status_py_proto"] # py_proto_library does not support plugin as an argument yet at gRPC v1.25.0: # https://github.com/grpc/grpc/blob/v1.25.0/bazel/python_rules.bzl#L72. # plugin should also be passed in here when gRPC version is greater than v1.25.x. _py_proto_library( name = name, srcs = srcs, default_runtime = "@com_google_protobuf//:protobuf_python", protoc = "@com_google_protobuf//:protoc", deps = proto_deps + ["@com_google_protobuf//:protobuf_python"], visibility = ["//visibility:public"], ) def _api_cc_grpc_library(name, proto, deps = []): cc_grpc_library( name = name, srcs = [proto], deps = deps, proto_only = False, grpc_only = True, visibility = ["//visibility:public"], ) def api_cc_py_proto_library( name, visibility = ["//visibility:private"], srcs = [], deps = [], linkstatic = 0, has_services = 0): relative_name = ":" + name proto_library( name = name, srcs = srcs, deps = deps + _COMMON_PROTO_DEPS, visibility = visibility, ) cc_proto_library_name = name + _CC_PROTO_SUFFIX pgv_cc_proto_library( name = cc_proto_library_name, linkstatic = linkstatic, cc_deps = [_cc_proto_mapping(dep) for dep in deps] + [ "@com_google_googleapis//google/api:http_cc_proto", "@com_google_googleapis//google/api:httpbody_cc_proto", "@com_google_googleapis//google/api:annotations_cc_proto", "@com_google_googleapis//google/rpc:status_cc_proto", ], deps = [relative_name], visibility = ["//visibility:public"], ) _api_py_proto_library(name, srcs, deps) # Optionally define gRPC services if has_services: # TODO: when Python services are required, add to the below stub generations. cc_grpc_name = name + _CC_GRPC_SUFFIX cc_proto_deps = [cc_proto_library_name] + [_cc_proto_mapping(dep) for dep in deps] _api_cc_grpc_library(name = cc_grpc_name, proto = relative_name, deps = cc_proto_deps) def api_cc_test(name, **kwargs): native.cc_test( name = name, **kwargs ) def api_go_test(name, **kwargs): go_test( name = name, **kwargs ) def api_proto_package( name = "pkg", srcs = [], deps = [], has_services = False, visibility = ["//visibility:public"]): if srcs == []: srcs = native.glob(["*.proto"]) name = "pkg" api_cc_py_proto_library( name = name, visibility = visibility, srcs = srcs, deps = deps, has_services = has_services, ) compilers = ["@io_bazel_rules_go//proto:go_proto", "@envoy_api//bazel:pgv_plugin_go"] if has_services: compilers = ["@io_bazel_rules_go//proto:go_grpc", "@envoy_api//bazel:pgv_plugin_go"] deps = ( [_go_proto_mapping(dep) for dep in deps] + [ "@com_envoyproxy_protoc_gen_validate//validate:go_default_library", "@com_github_golang_protobuf//ptypes:go_default_library_gen", "@go_googleapis//google/api:annotations_go_proto", "@go_googleapis//google/rpc:status_go_proto", "@io_bazel_rules_go//proto/wkt:any_go_proto", "@io_bazel_rules_go//proto/wkt:duration_go_proto", "@io_bazel_rules_go//proto/wkt:struct_go_proto", "@io_bazel_rules_go//proto/wkt:timestamp_go_proto", "@io_bazel_rules_go//proto/wkt:wrappers_go_proto", ] ) go_proto_library( name = name + _GO_PROTO_SUFFIX, compilers = compilers, importpath = _GO_IMPORTPATH_PREFIX + native.package_name(), proto = name, visibility = ["//visibility:public"], deps = {dep: True for dep in deps}.keys(), )