Get Lite subscription

Print name, topic path, and delivery config of a Lite subscription.

Documentation pages that include this code sample

To view the code sample used in context, see the following documentation:

Code sample

Java

import com.google.cloud.pubsublite.AdminClient;
import com.google.cloud.pubsublite.AdminClientSettings;
import com.google.cloud.pubsublite.CloudRegion;
import com.google.cloud.pubsublite.CloudZone;
import com.google.cloud.pubsublite.ProjectNumber;
import com.google.cloud.pubsublite.SubscriptionName;
import com.google.cloud.pubsublite.SubscriptionPath;
import com.google.cloud.pubsublite.proto.Subscription;

public class GetSubscriptionExample {

  public static void main(String... args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String cloudRegion = "your-cloud-region";
    char zoneId = 'b';
    // Choose an existing subscription.
    String subscriptionId = "your-subscription-id";
    long projectNumber = Long.parseLong("123456789");

    getSubscriptionExample(cloudRegion, zoneId, projectNumber, subscriptionId);
  }

  public static void getSubscriptionExample(
      String cloudRegion, char zoneId, long projectNumber, String subscriptionId) throws Exception {

    SubscriptionPath subscriptionPath =
        SubscriptionPath.newBuilder()
            .setLocation(CloudZone.of(CloudRegion.of(cloudRegion), zoneId))
            .setProject(ProjectNumber.of(projectNumber))
            .setName(SubscriptionName.of(subscriptionId))
            .build();

    AdminClientSettings adminClientSettings =
        AdminClientSettings.newBuilder().setRegion(CloudRegion.of(cloudRegion)).build();

    try (AdminClient adminClient = AdminClient.create(adminClientSettings)) {
      Subscription subscription = adminClient.getSubscription(subscriptionPath).get();
      System.out.println("Subscription: " + subscription.getAllFields());
    }
  }
}

Python

from google.api_core.exceptions import NotFound
from google.cloud.pubsublite import AdminClient
from google.cloud.pubsublite.types import CloudRegion, CloudZone, SubscriptionPath

# TODO(developer):
# project_number = 1122334455
# cloud_region = "us-central1"
# zone_id = "a"
# subscription_id = "your-subscription-id"

cloud_region = CloudRegion(cloud_region)
location = CloudZone(cloud_region, zone_id)
subscription_path = SubscriptionPath(project_number, location, subscription_id)

client = AdminClient(cloud_region)
try:
    response = client.get_subscription(subscription_path)
    print(f"{response.name} exists.")
except NotFound:
    print(f"{subscription_path} not found.")