docs(samples): read the project id from google.auth (#160)

* feat: read the project id from gcloud config

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* replace os.getenv(GOOGLE_CLOUD_PROJECT) with google.auth.default()[1]

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: 3 people

generated_samples/interactive-tutorials/README.md

@@ -72,17 +72,6 @@ To run a code sample from the Cloud Shell, you need to be authenticated using th
     export GOOGLE_APPLICATION_CREDENTIALS=~/key.json
     ```
 
-### Set the GOOGLE_CLOUD_PROJECT environment variable
-
-You will run the code samples in your own Google Cloud project. To use the **project_id** in every request to the Retail API, you should first specify them as environment variables.
-
-1. Find the project ID in the Project Info card displayed on **Home/Dashboard**.
-
-1. Set the **project_id** with the following command:
-    ```bash
-    export GOOGLE_CLOUD_PROJECT=<YOUR_PROJECT_ID>
-    ```
-
 ### Install Google Cloud Retail libraries
 
 To run Python code samples for the Retail API tutorial, you need to set up your virtual environment.

generated_samples/interactive-tutorials/TEST_RESOURCES_SETUP_CLEANUP.md

@@ -3,7 +3,6 @@
 ## Required environment variables
 
 To successfully import the catalog data for tests, the following environment variables should be set:
- - GOOGLE_CLOUD_PROJECT 
  - BUCKET_NAME
  - EVENTS_BUCKET_NAME
 These values are stored in the Secret Manager and will be submitted as 

generated_samples/interactive-tutorials/product/add_fulfillment_places.py

@@ -14,16 +14,16 @@
 
 # [START retail_add_fulfillment_places]
 import datetime
-import os
 import random
 import string
 import time
 
+import google.auth
 from google.cloud.retail import AddFulfillmentPlacesRequest, ProductServiceClient
 
 from setup_product.setup_cleanup import create_product, delete_product, get_product
 
-project_id = os.getenv("GOOGLE_CLOUD_PROJECT")
+project_id = google.auth.default()[1]
 product_id = "".join(random.sample(string.ascii_lowercase, 8))
 product_name = (
     "projects/"

generated_samples/interactive-tutorials/product/create_product.py

@@ -16,17 +16,17 @@
 # [START retail_create_product]
 # Create product in a catalog using Retail API
 #
-import os
 import random
 import string
 
+import google.auth
 from google.cloud.retail import CreateProductRequest, Product, ProductServiceClient
 from google.cloud.retail import PriceInfo
 from google.cloud.retail_v2.types import product
 
 from setup_product.setup_cleanup import delete_product
 
-project_id = os.getenv("GOOGLE_CLOUD_PROJECT")
+project_id = google.auth.default()[1]
 default_branch_name = (
     "projects/"
     + project_id

generated_samples/interactive-tutorials/product/crud_product.py

@@ -16,10 +16,10 @@
 # [START retail_crud_product]
 # Create product in a catalog using Retail API
 #
-import os
 import random
 import string
 
+import google.auth
 from google.cloud.retail import (
     CreateProductRequest,
     DeleteProductRequest,
@@ -31,7 +31,7 @@
 from google.cloud.retail import PriceInfo
 from google.cloud.retail_v2.types import product
 
-project_id = os.getenv("GOOGLE_CLOUD_PROJECT")
+project_id = google.auth.default()[1]
 default_branch_name = (
     "projects/"
     + project_id

generated_samples/interactive-tutorials/product/delete_product.py

@@ -16,15 +16,15 @@
 # [START retail_delete_product]
 # Delete product from a catalog using Retail API
 #
-import os
 import random
 import string
 
+import google.auth
 from google.cloud.retail import DeleteProductRequest, ProductServiceClient
 
 from setup_product.setup_cleanup import create_product
 
-project_id = os.getenv("GOOGLE_CLOUD_PROJECT")
+project_id = google.auth.default()[1]
 default_branch_name = (
     "projects/"
     + project_id

generated_samples/interactive-tutorials/product/get_product.py

@@ -16,15 +16,15 @@
 # [START retail_get_product]
 # Get product from a catalog using Retail API
 #
-import os
 import random
 import string
 
+import google.auth
 from google.cloud.retail import GetProductRequest, ProductServiceClient
 
 from setup_product.setup_cleanup import create_product, delete_product
 
-project_id = os.getenv("GOOGLE_CLOUD_PROJECT")
+project_id = google.auth.default()[1]
 product_id = "".join(random.sample(string.ascii_lowercase, 8))
 
 

generated_samples/interactive-tutorials/product/import_products_big_query_table.py

@@ -13,9 +13,10 @@
 # limitations under the License.
 
 import argparse
-import os
 
-project_id = os.environ["GOOGLE_CLOUD_PROJECT"]
+import google.auth
+
+project_id = google.auth.default()[1]
 
 
 def main(project_id, dataset_id, table_id):

generated_samples/interactive-tutorials/product/import_products_gcs.py

@@ -19,9 +19,9 @@
 def main(bucket_name):
     # [START retail_import_products_from_gcs]
 
-    import os
     import time
 
+    import google.auth
     from google.cloud.retail import (
         GcsSource,
         ImportErrorsConfig,
@@ -30,8 +30,7 @@ def main(bucket_name):
         ProductServiceClient,
     )
 
-    # Read the project id from the environment variable
-    project_id = os.environ["GOOGLE_CLOUD_PROJECT"]
+    project_id = google.auth.default()[1]
 
     # TODO: Developer set the bucket_name
     # bucket_name = os.environ["BUCKET_NAME"]

generated_samples/interactive-tutorials/product/import_products_inline_source.py

@@ -15,11 +15,11 @@
 # [START retail_import_products_from_inline_source]
 # Import products into a catalog from inline source using Retail API
 #
-import os
 import random
 import string
 import time
 
+import google.auth
 from google.cloud.retail import (
     ColorInfo,
     FulfillmentInfo,
@@ -32,8 +32,7 @@
 )
 from google.protobuf.field_mask_pb2 import FieldMask
 
-# Read the project ID from the environment variable
-project_id = os.environ["GOOGLE_CLOUD_PROJECT"]
+project_id = google.auth.default()[1]
 
 default_catalog = f"projects/{project_id}/locations/global/catalogs/default_catalog/branches/default_branch"