IAM grant access with regional secret

Grants access to an Iam for a regional secret

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

Code sample

C#

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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


using Google.Cloud.Iam.V1;
using Google.Cloud.SecretManager.V1;

public class IamRegionalGrantAccessSample
{
    public Policy IamRegionalGrantAccess(
      string projectId = "my-project",
      string locationId = "my-location",
      string secretId = "my-secret",
      string member = "user:foo@example.com"
    )
    {
        // Create the Regional Secret Manager Client.
        SecretManagerServiceClient client = new SecretManagerServiceClientBuilder
        {
            Endpoint = $"secretmanager.{locationId}.rep.googleapis.com"
        }.Build();

        // Build the resource name.
        SecretName secretName = SecretName.FromProjectLocationSecret(projectId, locationId, secretId);

        // Get current policy.
        Policy policy = client.GetIamPolicy(new GetIamPolicyRequest
        {
            ResourceAsResourceName = secretName,
        });

        // Add the user to the list of bindings.
        policy.AddRoleMember("roles/secretmanager.secretAccessor", member);

        // Save the updated policy.
        policy = client.SetIamPolicy(new SetIamPolicyRequest
        {
            ResourceAsResourceName = secretName,
            Policy = policy,
        });
        return policy;
    }
}

Go

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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

import (
	"context"
	"fmt"
	"io"

	secretmanager "cloud.google.com/go/secretmanager/apiv1"
	"google.golang.org/api/option"
)

// iamGrantAccess grants the given member access to the secret.
func IamGrantAccessWithRegionalSecret(w io.Writer, projectId, locationId, secretId, member string) error {
	// name := "projects/my-project/locations/my-location/secrets/my-secret"
	// member := "user:foo@example.com"

	// Create the client.
	ctx := context.Background()
	//Endpoint to send the request to regional server
	endpoint := fmt.Sprintf("secretmanager.%s.rep.googleapis.com:443", locationId)
	client, err := secretmanager.NewClient(ctx, option.WithEndpoint(endpoint))

	if err != nil {
		return fmt.Errorf("failed to create regional secretmanager client: %w", err)
	}
	defer client.Close()

	name := fmt.Sprintf("projects/%s/locations/%s/secrets/%s", projectId, locationId, secretId)
	// Get the current IAM policy.
	handle := client.IAM(name)
	policy, err := handle.Policy(ctx)
	if err != nil {
		return fmt.Errorf("failed to get policy: %w", err)
	}

	// Grant the member access permissions.
	policy.Add(member, "roles/secretmanager.secretAccessor")
	if err = handle.SetPolicy(ctx, policy); err != nil {
		return fmt.Errorf("failed to save policy: %w", err)
	}

	fmt.Fprintf(w, "Updated IAM policy for %s\n", name)
	return nil
}

Java

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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

import com.google.cloud.secretmanager.v1.SecretManagerServiceClient;
import com.google.cloud.secretmanager.v1.SecretManagerServiceSettings;
import com.google.cloud.secretmanager.v1.SecretName;
import com.google.iam.v1.Binding;
import com.google.iam.v1.GetIamPolicyRequest;
import com.google.iam.v1.Policy;
import com.google.iam.v1.SetIamPolicyRequest;
import java.io.IOException;

public class IamGrantAccessWithRegionalSecret {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.

    // Your GCP project ID.
    String projectId = "your-project-id";
    // Location of the secret.
    String locationId = "your-location-id";
    // Resource ID of the secret to grant access to.
    String secretId = "your-secret-id";
    // IAM member, such as a user group or service account you want to grant access.
    String member = "user:foo@example.com";
    iamGrantAccessWithRegionalSecret(projectId, locationId, secretId, member);
  }

  // Grant a member access to a particular secret.
  public static Policy iamGrantAccessWithRegionalSecret(
      String projectId, String locationId, String secretId, String member)
      throws IOException {

    // Endpoint to call the regional secret manager sever
    String apiEndpoint = String.format("secretmanager.%s.rep.googleapis.com:443", locationId);
    SecretManagerServiceSettings secretManagerServiceSettings =
        SecretManagerServiceSettings.newBuilder().setEndpoint(apiEndpoint).build();

    // Initialize the client that will be used to send requests. This client only needs to be
    // created once, and can be reused for multiple requests.
    try (SecretManagerServiceClient client = 
        SecretManagerServiceClient.create(secretManagerServiceSettings)) {
      // Build the name from the version.
      SecretName secretName = 
          SecretName.ofProjectLocationSecretName(projectId, locationId, secretId);

      // Request the current IAM policy.
      Policy currentPolicy =
          client.getIamPolicy(
              GetIamPolicyRequest.newBuilder().setResource(secretName.toString()).build());

      // Build the new binding.
      Binding binding =
          Binding.newBuilder()
              .setRole("roles/secretmanager.secretAccessor")
              .addMembers(member)
              .build();

      // Create a new IAM policy from the current policy, adding the binding.
      Policy newPolicy = Policy.newBuilder().mergeFrom(currentPolicy).addBindings(binding).build();

      // Save the updated IAM policy.
      Policy updatedPolicy = client.setIamPolicy(
          SetIamPolicyRequest.newBuilder()
              .setResource(secretName.toString())
              .setPolicy(newPolicy)
              .build());

      System.out.printf("Updated IAM policy for %s\n", secretId);

      return updatedPolicy;
    }
  }
}

Node.js

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'my-project';
// const locationId = 'my-location';
// const secretId = 'my-secret';
// const member = 'user:you@example.com';
//
// NOTE: Each member must be prefixed with its type. See the IAM documentation
// for more information: https://cloud.google.com/iam/docs/overview.

const name = `projects/${projectId}/locations/${locationId}/secrets/${secretId}`;

// Imports the Secret Manager library
const {SecretManagerServiceClient} = require('@google-cloud/secret-manager');

// Adding the endpoint to call the regional secret manager sever
const options = {};
options.apiEndpoint = `secretmanager.${locationId}.rep.googleapis.com`;

// Instantiates a client
const client = new SecretManagerServiceClient(options);

async function grantAccessRegionalSecret() {
  // Get the current IAM policy.
  const [policy] = await client.getIamPolicy({
    resource: name,
  });

  // Add the user with accessor permissions to the bindings list.
  policy.bindings.push({
    role: 'roles/secretmanager.secretAccessor',
    members: [member],
  });

  // Save the updated IAM policy.
  await client.setIamPolicy({
    resource: name,
    policy: policy,
  });

  console.log(`Updated IAM policy for ${name}`);
}

grantAccessRegionalSecret();

PHP

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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

// Import the Secret Manager client library.
use Google\Cloud\SecretManager\V1\Client\SecretManagerServiceClient;

// Import the Secret Manager IAM library.
use Google\Cloud\Iam\V1\Binding;
use Google\Cloud\Iam\V1\GetIamPolicyRequest;
use Google\Cloud\Iam\V1\SetIamPolicyRequest;

/**
 * @param string $projectId Your Google Cloud Project ID (e.g. 'my-project')
 * @param string $locationId Your secret Location (e.g. "us-central1")
 * @param string $secretId  Your secret ID (e.g. 'my-secret')
 * @param string $member Your member (e.g. 'user:foo@example.com')
 */
function regional_iam_grant_access(string $projectId, string $locationId, string $secretId, string $member): void
{
    // Specify regional endpoint.
    $options = ['apiEndpoint' => "secretmanager.$locationId.rep.googleapis.com"];

    // Create the Secret Manager client.
    $client = new SecretManagerServiceClient($options);

    // Build the resource name of the secret.
    $name = $client->projectLocationSecretName($projectId, $locationId, $secretId);

    // Get the current IAM policy.
    $policy = $client->getIamPolicy((new GetIamPolicyRequest)->setResource($name));

    // Update the bindings to include the new member.
    $bindings = $policy->getBindings();
    $bindings[] = new Binding([
        'members' => [$member],
        'role' => 'roles/secretmanager.secretAccessor',
    ]);
    $policy->setBindings($bindings);

    // Build the request.
    $request = (new SetIamPolicyRequest)
        ->setResource($name)
        ->setPolicy($policy);

    // Save the updated policy to the server.
    $client->setIamPolicy($request);

    // Print out a success message.
    printf('Updated IAM policy for %s', $secretId);
}

Ruby

To learn how to install and use the client library for Secret Manager, see Secret Manager client libraries.

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

# project_id  = "YOUR-GOOGLE-CLOUD-PROJECT"  # (e.g. "my-project")
# location_id = "YOUR-GOOGLE-CLOUD-LOCATION" # (e.g. "us-west1")
# secret_id   = "YOUR-SECRET-ID"             # (e.g. "my-secret")
# member      = "USER-OR-ACCOUNT"            # (e.g. "user:foo@example.com")

# Require the Secret Manager client library.
require "google/cloud/secret_manager"

# Endpoint for the regional secret manager service.
api_endpoint = "secretmanager.#{location_id}.rep.googleapis.com"

# Create the Secret Manager client.
client = Google::Cloud::SecretManager.secret_manager_service do |config|
  config.endpoint = api_endpoint
end

# Build the resource name of the secret.
name = client.secret_path project: project_id, location: location_id, secret: secret_id

# Get the current IAM policy.
policy = client.get_iam_policy resource: name

# Add new member to current bindings
policy.bindings << Google::Iam::V1::Binding.new(
  members: [member],
  role:    "roles/secretmanager.secretAccessor"
)

# Update IAM policy
new_policy = client.set_iam_policy resource: name, policy: policy

# Print a success message.
puts "Updated regional IAM policy for #{secret_id}"

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