chore: Migrate gsutil usage to gcloud storage (#10213)

Author: gurusai-voleti

pubsub/streaming-analytics/README.md

@@ -51,7 +51,7 @@ Dataflow].
    BUCKET_NAME=your-gcs-bucket
    PROJECT_NAME=$(gcloud config get-value project)
 
-   gsutil mb gs://$BUCKET_NAME
+   gcloud storage buckets create gs://$BUCKET_NAME
    ```
 
 1. Start a [Google Cloud Scheduler] job that publishes one message to a [Google
@@ -155,7 +155,7 @@ in the [GCP Console Storage page]. You may need to wait a few minutes for the
 files to appear.
 
 ```bash
-gsutil ls gs://$BUCKET_NAME/samples/
+gcloud storage ls gs://$BUCKET_NAME/samples/
 ```
 
 ## Cleanup
@@ -185,10 +185,10 @@ gsutil ls gs://$BUCKET_NAME/samples/
 
     ```bash
     # Delete only the files created by this sample.
-    gsutil -m rm -rf "gs://$BUCKET_NAME/samples/output*"
+    gcloud storage rm --recursive --continue-on-error "gs://$BUCKET_NAME/samples/output*"
     
     # [optional] Remove the Cloud Storage bucket.
-    gsutil rb gs://$BUCKET_NAME
+    gcloud storage buckets delete gs://$BUCKET_NAME
     ```
 
 [Google Cloud Pub/Sub]: https://cloud.google.com/pubsub/docs/

pubsublite/streaming-analytics/README.md

@@ -55,7 +55,7 @@ Resources needed for this example:
    export PROJECT_ID=$(gcloud config get-value project)
    export BUCKET=your-gcs-bucket
 
-   gsutil mb gs://$BUCKET
+   gcloud storage buckets create gs://$BUCKET
    ```
 
 1. Create a Pub/Sub Lite topic and subscription. Set `LITE_LOCATION` to a
@@ -130,7 +130,7 @@ mvn compile exec:java \
 Storage bucket.
 
 ```sh
-gsutil ls "gs://$BUCKET/samples/output*"
+gcloud storage ls "gs://$BUCKET/samples/output*"
 ```
 
 ## (Optional) Creating a custom Dataflow template
@@ -199,21 +199,21 @@ input parameters.
 1. Delete the Cloud Storage objects:
 
    ```sh
-   gsutil -m rm -rf "gs://$BUCKET/samples/output*"
+   gcloud storage rm --recursive --continue-on-error "gs://$BUCKET/samples/output*"
    ```
 
 1. Delete the template image in Cloud Registry and delete the Flex template if
    you have created them.
 
    ```sh
    gcloud container images delete $TEMPLATE_IMAGE
-   gsutil rm $TEMPLATE_PATH
+   gcloud storage rm $TEMPLATE_PATH
    ```
 
 1. Delete the Cloud Storage bucket:
 
    ```sh
-   gsutil rb "gs://$BUCKET"
+   gcloud storage buckets delete "gs://$BUCKET"
    ```
 
 [Apache Beam]: https://beam.apache.org/