Merge remote-tracking branch 'upstream/master' into fork_exec_ctx_check

1 files changed, 21 insertions, 0 deletions

diff --git a/src/cpp/client/secure_credentials.cc b/src/cpp/client/secure_credentials.cc
index 19d67c2e06..00245b397d 100644
--- a/src/cpp/client/secure_credentials.cc
+++ b/src/cpp/client/secure_credentials.cc
@@ -87,6 +87,27 @@ std::shared_ptr<ChannelCredentials> SslCredentials(
   return WrapChannelCredentials(c_creds);
 }
 
+namespace experimental {
+
+// Builds ALTS Credentials given ALTS specific options
+std::shared_ptr<ChannelCredentials> AltsCredentials(
+    const AltsCredentialsOptions& options) {
+  GrpcLibraryCodegen init;  // To call grpc_init().
+  grpc_alts_credentials_options* c_options =
+      grpc_alts_credentials_client_options_create();
+  for (auto service_account = options.target_service_accounts.begin();
+       service_account != options.target_service_accounts.end();
+       service_account++) {
+    grpc_alts_credentials_client_options_add_target_service_account(
+        c_options, service_account->c_str());
+  }
+  grpc_channel_credentials* c_creds = grpc_alts_credentials_create(c_options);
+  grpc_alts_credentials_options_destroy(c_options);
+  return WrapChannelCredentials(c_creds);
+}
+
+}  // namespace experimental
+
 // Builds credentials for use when running in GCE
 std::shared_ptr<CallCredentials> GoogleComputeEngineCredentials() {
   GrpcLibraryCodegen init;  // To call grpc_init().