List assets with security marks

import (
	"context"
	"fmt"
	"io"

	securitycenter "cloud.google.com/go/securitycenter/apiv1"
	"cloud.google.com/go/securitycenter/apiv1/securitycenterpb"
	"google.golang.org/api/iterator"
)

// listAssetsWithMarks prints assets that have a mark of key_a equal to value_a
// to w for orgID.  orgID is the numeric Organization ID.
func listAssetsWithMarks(w io.Writer, orgID string) error {
	// orgID := "12321311"
	// Instantiate a context and a security service client to make API calls.
	ctx := context.Background()
	client, err := securitycenter.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("securitycenter.NewClient: %w", err)
	}
	defer client.Close() // Closing the client safely cleans up background resources.

	req := &securitycenterpb.ListAssetsRequest{
		// Parent must be in one of the following formats:
		//		"organizations/{orgId}"
		//		"projects/{projectId}"
		//		"folders/{folderId}"
		Parent: fmt.Sprintf("organizations/%s", orgID),
		Filter: `security_marks.marks.key_a = "value_a"`,
	}

	it := client.ListAssets(ctx, req)
	for {
		result, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("ListAssets: %w", err)
		}
		asset := result.Asset
		properties := asset.SecurityCenterProperties
		fmt.Fprintf(w, "Asset Name: %s, ", asset.Name)
		fmt.Fprintf(w, "Resource Name %s, ", properties.ResourceName)
		fmt.Fprintf(w, "Resource Type %s\n", properties.ResourceType)
	}
	return nil
}

static ImmutableList<ListAssetsResult> listAssetsWithQueryMarks(
    OrganizationName organizationName) {
  try (SecurityCenterClient client = SecurityCenterClient.create()) {
    // Start setting up a request to list all assets filtered by a specific security mark.
    // Parent must be in one of the following formats:
    //    OrganizationName organizationName = OrganizationName.of("organization-id");
    //    ProjectName projectName = ProjectName.of("project-id");
    //    FolderName folderName = FolderName.of("folder-id");
    ListAssetsRequest request =
        ListAssetsRequest.newBuilder()
            .setParent(organizationName.toString())
            .setFilter("security_marks.marks.key_a = \"value_a\"")
            .build();

    // Call the API.
    ListAssetsPagedResponse response = client.listAssets(request);

    // This creates one list for all assets.  If your organization has a large number of assets
    // this can cause out of memory issues.  You can process them batches by returning
    // the Iterable returned response.iterateAll() directly.
    ImmutableList<ListAssetsResult> results = ImmutableList.copyOf(response.iterateAll());
    System.out.println("Assets with security mark - key_a=value_a:");
    System.out.println(results);
    return results;
  } catch (IOException e) {
    throw new RuntimeException("Couldn't create client.", e);
  }
}

// Imports the Google Cloud client library.
const {SecurityCenterClient} = require('@google-cloud/security-center');

// Creates a new client.
const client = new SecurityCenterClient();
//  organizationId is the numeric ID of the organization.
/*
 * TODO(developer): Uncomment the following lines
 */
// parent: must be in one of the following formats:
//    `organizations/${organization_id}`
//    `projects/${project_id}`
//    `folders/${folder_id}`
const parent = `organizations/${organizationId}`;

// Call the API with automatic pagination.
async function listAssetsWithSecurityMarks() {
  const [response] = await client.listAssets({
    parent: parent,
    filter: 'security_marks.marks.key_a="value_a"',
  });
  let count = 0;
  Array.from(response).forEach(result =>
    console.log(
      `${++count} ${result.asset.name} ${
        result.asset.securityCenterProperties.resourceName
      }`
    )
  );
}

listAssetsWithSecurityMarks();

from google.cloud import securitycenter

client = securitycenter.SecurityCenterClient()

# 'parent' must be in one of the following formats:
#   "organizations/{organization_id}"
#   "projects/{project_id}"
#   "folders/{folder_id}"
parent = f"organizations/{organization_id}"

marks_filter = 'security_marks.marks.key_a = "value_a"'
# Call the API and print results.
asset_iterator = client.list_assets(
    request={"parent": parent, "filter": marks_filter}
)
for i, asset_result in enumerate(asset_iterator):
    print(i, asset_result)