서비스 계정 키 생성 및 삭제

namespace iam = ::google::cloud::iam_admin_v1;
return [](std::string const& name) {
  iam::IAMClient client(iam::MakeIAMConnection());
  auto response = client.CreateServiceAccountKey(
      name,
      google::iam::admin::v1::ServiceAccountPrivateKeyType::
          TYPE_GOOGLE_CREDENTIALS_FILE,
      google::iam::admin::v1::ServiceAccountKeyAlgorithm::KEY_ALG_RSA_2048);
  if (!response) throw std::move(response).status();
  std::cout << "ServiceAccountKey successfully created: "
            << response->DebugString() << "\n"
            << "Please save the key in a secure location, as they cannot "
               "be downloaded later\n";
  return response->name();
}

using System;
using System.Text;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class ServiceAccountKeys
{
    public static ServiceAccountKey CreateKey(string serviceAccountEmail)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        var key = service.Projects.ServiceAccounts.Keys.Create(
            new CreateServiceAccountKeyRequest(),
            "projects/-/serviceAccounts/" + serviceAccountEmail)
            .Execute();

        // The PrivateKeyData field contains the base64-encoded service account key
        // in JSON format.
        // TODO(Developer): Save the below key (jsonKeyFile) to a secure location.
        //  You cannot download it later.
        byte[] valueBytes = System.Convert.FromBase64String(key.PrivateKeyData);
        string jsonKeyContent = Encoding.UTF8.GetString(valueBytes);

        Console.WriteLine("Key created successfully");
        return key;
    }
}

import (
	"context"
	// "encoding/base64"
	"fmt"
	"io"

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

// createKey creates a service account key.
func createKey(w io.Writer, serviceAccountEmail string) (*iam.ServiceAccountKey, error) {
	ctx := context.Background()
	service, err := iam.NewService(ctx)
	if err != nil {
		return nil, fmt.Errorf("iam.NewService: %w", err)
	}

	resource := "projects/-/serviceAccounts/" + serviceAccountEmail
	request := &iam.CreateServiceAccountKeyRequest{}
	key, err := service.Projects.ServiceAccounts.Keys.Create(resource, request).Do()
	if err != nil {
		return nil, fmt.Errorf("Projects.ServiceAccounts.Keys.Create: %w", err)
	}
	// The PrivateKeyData field contains the base64-encoded service account key
	// in JSON format.
	// TODO(Developer): Save the below key (jsonKeyFile) to a secure location.
	// You cannot download it later.
	// jsonKeyFile, _ := base64.StdEncoding.DecodeString(key.PrivateKeyData)
	fmt.Fprintf(w, "Key created successfully")
	return key, nil
}

import com.google.cloud.iam.admin.v1.IAMClient;
import com.google.gson.Gson;
import com.google.iam.admin.v1.CreateServiceAccountKeyRequest;
import com.google.iam.admin.v1.ServiceAccountKey;
import java.io.IOException;

public class CreateServiceAccountKey {

  public static void main(String[] args) throws IOException {
    // TODO(Developer): Replace the below variables before running.
    String projectId = "your-project-id";
    String serviceAccountName = "your-service-account-name";

    ServiceAccountKey key = createKey(projectId, serviceAccountName);
    Gson gson = new Gson();

    // System.out.println("Service account key: " + gson.toJson(key));
  }

  // Creates a key for a service account.
  public static ServiceAccountKey createKey(String projectId, String accountName)
          throws IOException {
    String email = String.format("%s@%s.iam.gserviceaccount.com", accountName, projectId);

    // Initialize client that will be used to send requests.
    // This client only needs to be created once, and can be reused for multiple requests.
    try (IAMClient iamClient = IAMClient.create()) {
      CreateServiceAccountKeyRequest req = CreateServiceAccountKeyRequest.newBuilder()
              .setName(String.format("projects/%s/serviceAccounts/%s", projectId, email))
              .build();
      ServiceAccountKey createdKey = iamClient.createServiceAccountKey(req);
      System.out.println("Key created successfully");

      return createdKey;
    }
  }
}

from google.cloud import iam_admin_v1
from google.cloud.iam_admin_v1 import types


def create_key(project_id: str, account: str) -> types.ServiceAccountKey:
    """
    Creates a key for a service account.

    project_id: ID or number of the Google Cloud project you want to use.
    account: ID or email which is unique identifier of the service account.
    """

    iam_admin_client = iam_admin_v1.IAMClient()
    request = types.CreateServiceAccountKeyRequest()
    request.name = f"projects/{project_id}/serviceAccounts/{account}"

    key = iam_admin_client.create_service_account_key(request=request)

    # The private_key_data field contains the stringified service account key
    # in JSON format. You cannot download it again later.
    # If you want to get the value, you can do it in a following way:
    # import json
    # json_key_data = json.loads(key.private_key_data)
    # key_id = json_key_data["private_key_id"]

    return key

namespace iam = ::google::cloud::iam_admin_v1;
[](std::string const& name) {
  iam::IAMClient client(iam::MakeIAMConnection());
  auto response = client.DeleteServiceAccountKey(name);
  if (!response.ok()) throw std::runtime_error(response.message());
  std::cout << "ServiceAccountKey successfully deleted.\n";
}

using System;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class ServiceAccountKeys
{
    public static void DeleteKey(string fullKeyName)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        service.Projects.ServiceAccounts.Keys.Delete(fullKeyName).Execute();
        Console.WriteLine("Deleted key: " + fullKeyName);
    }
}

import (
	"context"
	"fmt"
	"io"

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

// deleteKey deletes a service account key.
func deleteKey(w io.Writer, fullKeyName string) error {
	ctx := context.Background()
	service, err := iam.NewService(ctx)
	if err != nil {
		return fmt.Errorf("iam.NewService: %w", err)
	}

	_, err = service.Projects.ServiceAccounts.Keys.Delete(fullKeyName).Do()
	if err != nil {
		return fmt.Errorf("Projects.ServiceAccounts.Keys.Delete: %w", err)
	}
	fmt.Fprintf(w, "Deleted key: %v", fullKeyName)
	return nil
}

import com.google.cloud.iam.admin.v1.IAMClient;
import com.google.iam.admin.v1.DeleteServiceAccountKeyRequest;
import com.google.iam.admin.v1.KeyName;
import java.io.IOException;

public class DeleteServiceAccountKey {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace the variables before running the sample.
    String projectId = "your-project-id";
    String serviceAccountName = "my-service-account-name";
    String serviceAccountKeyId = "service-account-key-id";

    deleteKey(projectId, serviceAccountName, serviceAccountKeyId);
  }

  // Deletes a service account key.
  public static void deleteKey(String projectId, String accountName,
                               String serviceAccountKeyId) throws IOException {
    //Initialize client that will be used to send requests.
    //This client only needs to be created once, and can be reused for multiple requests.
    try (IAMClient iamClient = IAMClient.create()) {

      //Construct the service account email.
      //You can modify the ".iam.gserviceaccount.com" to match the service account name in which
      //you want to delete the key.
      //See, https://cloud.google.com/iam/docs/creating-managing-service-account-keys#deleting

      String accountEmail = String.format("%s@%s.iam.gserviceaccount.com", accountName, projectId);

      String name = KeyName.of(projectId, accountEmail, serviceAccountKeyId).toString();

      DeleteServiceAccountKeyRequest request = DeleteServiceAccountKeyRequest.newBuilder()
              .setName(name)
              .build();

      // Then you can delete the key
      iamClient.deleteServiceAccountKey(request);

      System.out.println("Deleted key: " + serviceAccountKeyId);
    }
  }
}

from google.cloud import iam_admin_v1
from google.cloud.iam_admin_v1 import types


def delete_key(project_id: str, account: str, key_id: str) -> None:
    """
    Deletes a key for a service account.

    project_id: ID or number of the Google Cloud project you want to use.
    account: ID or email which is unique identifier of the service account.
    key_id: unique ID of the key.
    """

    iam_admin_client = iam_admin_v1.IAMClient()
    request = types.DeleteServiceAccountKeyRequest()
    request.name = f"projects/{project_id}/serviceAccounts/{account}/keys/{key_id}"

    iam_admin_client.delete_service_account_key(request=request)
    print(f"Deleted key: {key_id}")