Set DICOM store IAM policy

Set the access control policy for a DICOM store.

Explore further

For detailed documentation that includes this code sample, see the following:

Code sample

Go

Before trying this sample, follow the Go setup instructions in the Cloud Healthcare API quickstart using client libraries. For more information, see the Cloud Healthcare API Go API reference documentation.

To authenticate to Cloud Healthcare API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import (
	"context"
	"fmt"
	"io"

	healthcare "google.golang.org/api/healthcare/v1"
)

// setDICOMIAMPolicy sets the DICOM store's IAM policy.
func setDICOMIAMPolicy(w io.Writer, projectID, location, datasetID, dicomStoreID string) error {
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %w", err)
	}

	dicomService := healthcareService.Projects.Locations.Datasets.DicomStores

	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/dicomStores/%s", projectID, location, datasetID, dicomStoreID)

	policy, err := dicomService.GetIamPolicy(name).Do()
	if err != nil {
		return fmt.Errorf("GetIamPolicy: %w", err)
	}

	policy.Bindings = append(policy.Bindings, &healthcare.Binding{
		Members: []string{"user:example@example.com"},
		Role:    "roles/viewer",
	})

	req := &healthcare.SetIamPolicyRequest{
		Policy: policy,
	}

	policy, err = dicomService.SetIamPolicy(name, req).Do()
	if err != nil {
		return fmt.Errorf("SetIamPolicy: %w", err)
	}

	fmt.Fprintf(w, "IAM Policy etag: %v\n", policy.Etag)
	return nil
}

Java

Before trying this sample, follow the Java setup instructions in the Cloud Healthcare API quickstart using client libraries. For more information, see the Cloud Healthcare API Java API reference documentation.

To authenticate to Cloud Healthcare API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcare.Projects.Locations.Datasets.DicomStores;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.api.services.healthcare.v1.model.Binding;
import com.google.api.services.healthcare.v1.model.Policy;
import com.google.api.services.healthcare.v1.model.SetIamPolicyRequest;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;

public class DicomStoreSetIamPolicy {
  private static final String DICOM_NAME = "projects/%s/locations/%s/datasets/%s/dicomStores/%s";
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void dicomStoreSetIamPolicy(String dicomStoreName) throws IOException {
    // String dicomStoreName =
    //    String.format(
    //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    // Configure the IAMPolicy to apply to the store.
    // For more information on understanding IAM roles, see the following:
    // https://cloud.google.com/iam/docs/understanding-roles
    Binding binding =
        new Binding()
            .setRole("roles/healthcare.dicomStoreAdmin")
            .setMembers(Arrays.asList("domain:google.com"));
    Policy policy = new Policy().setBindings(Arrays.asList(binding));
    SetIamPolicyRequest policyRequest = new SetIamPolicyRequest().setPolicy(policy);

    // Create request and configure any parameters.
    DicomStores.SetIamPolicy request =
        client
            .projects()
            .locations()
            .datasets()
            .dicomStores()
            .setIamPolicy(dicomStoreName, policyRequest);

    // Execute the request and process the results.
    Policy updatedPolicy = request.execute();
    System.out.println("DICOM policy has been updated: " + updatedPolicy.toPrettyString());
  }

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see https://cloud.google.com/docs/authentication/production
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout
        };

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)
        .setApplicationName("your-application-name")
        .build();
  }
}

Node.js

Before trying this sample, follow the Node.js setup instructions in the Cloud Healthcare API quickstart using client libraries. For more information, see the Cloud Healthcare API Node.js API reference documentation.

To authenticate to Cloud Healthcare API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

const google = require('@googleapis/healthcare');
const healthcare = google.healthcare({
  version: 'v1',
  auth: new google.auth.GoogleAuth({
    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
  }),
});

const setDicomStoreIamPolicy = async () => {
  // TODO(developer): uncomment these lines before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  // const datasetId = 'my-dataset';
  // const dicomStoreId = 'my-dicom-store';
  // const member = 'user:example@gmail.com';
  // const role = 'roles/healthcare.dicomStoreViewer';
  const resource_ = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/dicomStores/${dicomStoreId}`;
  const request = {
    resource_,
    resource: {
      policy: {
        bindings: [
          {
            members: member,
            role: role,
          },
        ],
      },
    },
  };

  const dicomStore =
    await healthcare.projects.locations.datasets.dicomStores.setIamPolicy(
      request
    );
  console.log(
    'Set DICOM store IAM policy:',
    JSON.stringify(dicomStore.data, null, 2)
  );
};

setDicomStoreIamPolicy();

Python

Before trying this sample, follow the Python setup instructions in the Cloud Healthcare API quickstart using client libraries. For more information, see the Cloud Healthcare API Python API reference documentation.

To authenticate to Cloud Healthcare API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

def set_dicom_store_iam_policy(
    project_id, location, dataset_id, dicom_store_id, member, role, etag=None
):
    """Sets the IAM policy for the specified DICOM store.

    A single member will be assigned a single role. A member can be any of:

    - allUsers, that is, anyone
    - allAuthenticatedUsers, anyone authenticated with a Google account
    - user:email, as in 'user:somebody@example.com'
    - group:email, as in 'group:admins@example.com'
    - domain:domainname, as in 'domain:example.com'
    - serviceAccount:email,
        as in 'serviceAccount:my-other-app@appspot.gserviceaccount.com'

    A role can be any IAM role, such as 'roles/viewer', 'roles/owner',
    or 'roles/editor'

    See https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/dicom
    before running the sample."""
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery

    api_version = "v1"
    service_name = "healthcare"
    # Returns an authorized API client by discovering the Healthcare API
    # and using GOOGLE_APPLICATION_CREDENTIALS environment variable.
    client = discovery.build(service_name, api_version)

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'  # replace with your GCP project ID
    # location = 'us-central1'  # replace with the parent dataset's location
    # dataset_id = 'my-dataset'  # replace with the DICOM store's parent dataset ID
    # dicom_store_id = 'my-dicom-store'  # replace with the DICOM store's ID
    # member = 'myemail@example.com'  # replace with an authorized member
    # role = 'roles/viewer'  # replace with a Healthcare API IAM role
    dicom_store_parent = "projects/{}/locations/{}/datasets/{}".format(
        project_id, location, dataset_id
    )
    dicom_store_name = f"{dicom_store_parent}/dicomStores/{dicom_store_id}"

    policy = {"bindings": [{"role": role, "members": [member]}]}

    if etag is not None:
        policy["etag"] = etag

    request = (
        client.projects()
        .locations()
        .datasets()
        .dicomStores()
        .setIamPolicy(resource=dicom_store_name, body={"policy": policy})
    )
    response = request.execute()

    print("etag: {}".format(response.get("name")))
    print("bindings: {}".format(response.get("bindings")))
    return response

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.