Change default Cloud Build instance to N1_HIGHCPU_8.

PiperOrigin-RevId: 356554444

Author: SinaChavoshi

RELEASE.md

@@ -1,6 +1,7 @@
 # Current Version (Still in Development)
 
 *   Add notes for next release here.
+*   Upgrad the default Cloud Build machine to `N1_HIGHCPU_8`
 
 # Release 0.1.12
 

src/python/tensorflow_cloud/core/containerize.py

@@ -562,4 +562,7 @@ def _create_cloud_build_request_dict(
                 "object": storage_object_name,
             }
         }
+        request_dict["options"] = {
+            "machineType": "N1_HIGHCPU_8"
+        }
         return request_dict

src/python/tensorflow_cloud/core/tests/unit/containerize_test.py

@@ -446,6 +446,9 @@ def test_get_docker_image_cloud_build(
         request_dict["projectId"] = self.project_id
         request_dict["timeout"] = "1200s"
         request_dict["images"] = [["gcr.io/my-project/tf_cloud_train:abcde"]]
+        request_dict["options"] = {
+            "machineType": "N1_HIGHCPU_8"
+        }
         request_dict["steps"] = [{
             "name": "gcr.io/cloud-builders/docker",
             "args": [
@@ -615,6 +618,9 @@ def test_get_docker_image_cloud_build_with_custom_image_uri(
         request_dict["projectId"] = self.project_id
         request_dict["timeout"] = "1200s"
         request_dict["images"] = [[img_tag]]
+        request_dict["options"] = {
+            "machineType": "N1_HIGHCPU_8"
+        }
         request_dict["steps"] = [{
             "name": "gcr.io/cloud-builders/docker",
             "entrypoint": "bash",
@@ -736,6 +742,9 @@ def test_get_docker_image_cloud_build_with_cache(
         request_dict["projectId"] = self.project_id
         request_dict["timeout"] = "1200s"
         request_dict["images"] = [[img_tag]]
+        request_dict["options"] = {
+            "machineType": "N1_HIGHCPU_8"
+        }
         request_dict["steps"] = [{
             "name": "gcr.io/cloud-builders/docker",
             "entrypoint": "bash",