List assets by time

import (
	"context"
	"fmt"
	"io"
	"time"

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

// listAllProjectAssets lists all GCP Projects in orgID at asOf time and prints
// out results to w. orgID is the numeric organization ID of interest.
func listAllProjectAssetsAtTime(w io.Writer, orgID string, asOf time.Time) 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.

	// Convert the time to a Timestamp protobuf
	readTime, err := ptypes.TimestampProto(asOf)
	if err != nil {
		return fmt.Errorf("TimestampProto(%v): %w", asOf, err)
	}

	// You can also list assets in a project/ folder. To do so, modify the parent and
	// filter condition.
	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_center_properties.resource_type="google.cloud.resourcemanager.Project"`,
		ReadTime: readTime,
	}

	assetsFound := 0
	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)
		assetsFound++
	}
	return nil
}

static ImmutableList<ListAssetsResult> listAssetsAsOfYesterday(
    OrganizationName organizationName, Instant asOf) {
  try (SecurityCenterClient client = SecurityCenterClient.create()) {
    // Start setting up a request to search for all assets in an organization, project, or folder.
    //
    // 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");
    // Initialize the builder with the parent and filter
    ListAssetsRequest.Builder request =
        ListAssetsRequest.newBuilder()
            .setParent(organizationName.toString())
            .setFilter(
                "security_center_properties.resource_type=\"google.cloud.resourcemanager.Project\"");

    // Set read time to either the instant passed in or one day ago.
    asOf = MoreObjects.firstNonNull(asOf, Instant.now().minus(Duration.ofDays(1)));
    request.getReadTimeBuilder().setSeconds(asOf.getEpochSecond()).setNanos(asOf.getNano());

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

    // 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 incrementally by returning
    // the Iterable returned response.iterateAll() directly.
    ImmutableList<ListAssetsResult> results = ImmutableList.copyOf(response.iterateAll());
    System.out.println("Projects:");
    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}`;

const oneDayAgo = new Date();
oneDayAgo.setDate(oneDayAgo.getDate() - 1);

// Call the API with automatic pagination.
async function listAssetsAtTime() {
  const [response] = await client.listAssets({
    parent: parent,
    filter:
      'security_center_properties.resource_type="google.cloud.resourcemanager.Project"',
    // readTime must be in the form of a google.protobuf.Timestamp object
    // which takes seconds and nanoseconds.
    readTime: {
      seconds: Math.floor(oneDayAgo.getTime() / 1000),
      nanos: (oneDayAgo.getTime() % 1000) * 1e6,
    },
  });
  let count = 0;
  Array.from(response).forEach(result =>
    console.log(
      `${++count} ${result.asset.name} ${
        result.asset.securityCenterProperties.resourceName
      }`
    )
  );
}

listAssetsAtTime();

from datetime import datetime, timedelta, timezone

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}"

project_filter = (
    "security_center_properties.resource_type="
    + '"google.cloud.resourcemanager.Project"'
)

# Lists assets as of yesterday.
read_time = datetime.now(tz=timezone.utc) - timedelta(days=1)

# Call the API and print results.
asset_iterator = client.list_assets(
    request={"parent": parent, "filter": project_filter, "read_time": read_time}
)
for i, asset_result in enumerate(asset_iterator):
    print(i, asset_result)