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    Get a service account

    Get a Cloud Storage service account using projects.GetServiceAccount (). This is used by Pub/Sub notifications and CMEK KMS keys.

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

    Code sample

    For more information, see the Cloud Storage C++ API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      namespace 
  
 gcs 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 storage 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 gcs 
 :: 
 Client 
  
 client 
 ) 
  
 { 
  
 StatusOr<gcs 
 :: 
 ServiceAccount 
>  
 account 
  
 = 
  
 client 
 . 
 GetServiceAccount 
 (); 
  
 if 
  
 ( 
 ! 
 account 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 account 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "The service account details are " 
 << 
 * 
 account 
 << 
 " 
 \n 
 " 
 ; 
 }

    For more information, see the Cloud Storage C# API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      using 
  
  Google.Cloud.Storage.V1 
 
 ; 
 using 
  
 System 
 ; 
 public 
  
 class 
  
 GetStorageServiceAccountSample 
 { 
  
 public 
  
 string 
  
 GetStorageServiceAccount 
 ( 
 string 
  
 projectId 
  
 = 
  
 "your-project-id" 
 ) 
  
 { 
  
 var 
  
 storage 
  
 = 
  
  StorageClient 
 
 . 
  Create 
 
 (); 
  
 var 
  
 serviceAccountEmail 
  
 = 
  
 storage 
 . 
 GetStorageServiceAccountEmail 
 ( 
 projectId 
 ); 
  
 Console 
 . 
 WriteLine 
 ( 
 $"The GCS service account for project {projectId} is: {serviceAccountEmail}." 
 ); 
  
 return 
  
 serviceAccountEmail 
 ; 
  
 } 
 }

    For more information, see the Cloud Storage Go API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      import 
  
 ( 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 "time" 
  
 "cloud.google.com/go/storage" 
 ) 
 // getServiceAccount gets the default Cloud Storage service account email address. 
 func 
  
 getServiceAccount 
 ( 
 w 
  
 io 
 . 
  Writer 
 
 , 
  
 projectID 
  
 string 
 ) 
  
 error 
  
 { 
  
 // projectID := "my-project-id" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 storage 
 . 
 NewClient 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "storage.NewClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 client 
 . 
 Close 
 () 
  
 ctx 
 , 
  
 cancel 
  
 := 
  
 context 
 . 
 WithTimeout 
 ( 
 ctx 
 , 
  
 time 
 . 
 Second 
 * 
 10 
 ) 
  
 defer 
  
 cancel 
 () 
  
 serviceAccount 
 , 
  
 err 
  
 := 
  
 client 
 . 
  ServiceAccount 
 
 ( 
 ctx 
 , 
  
 projectID 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "ServiceAccount: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "The GCS service account for project %v is: %v\n" 
 , 
  
 projectID 
 , 
  
 serviceAccount 
 ) 
  
 return 
  
 nil 
 }

    For more information, see the Cloud Storage Java API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      import 
  
 com.google.cloud.storage. ServiceAccount 
 
 ; 
 import 
  
 com.google.cloud.storage. Storage 
 
 ; 
 import 
  
 com.google.cloud.storage. StorageOptions 
 
 ; 
 public 
  
 class 
 GetServiceAccount 
  
 { 
  
 public 
  
 static 
  
 void 
  
 getServiceAccount 
 ( 
 String 
  
 projectId 
 ) 
  
 { 
  
 // The ID of your GCP project 
  
 // String projectId = "your-project-id"; 
  
  Storage 
 
  
 storage 
  
 = 
  
  StorageOptions 
 
 . 
 newBuilder 
 (). 
 setProjectId 
 ( 
 projectId 
 ). 
 build 
 (). 
  getService 
 
 (); 
  
  ServiceAccount 
 
  
 serviceAccount 
  
 = 
  
 storage 
 . 
  getServiceAccount 
 
 ( 
 projectId 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
  
 "The GCS service account for project " 
  
 + 
  
 projectId 
  
 + 
  
 " is: " 
  
 + 
  
  serviceAccount 
 
 . 
  getEmail 
 
 ()); 
  
 } 
 }

    For more information, see the Cloud Storage Node.js API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      /** 
 * TODO(developer): Uncomment the following lines before running the sample. 
 */ 
 // The ID of your GCP project 
 // const projectId = 'your-project-id'; 
 // Imports the Google Cloud client library 
 const 
  
 { 
 Storage 
 } 
  
 = 
  
 require 
 ( 
 ' @google-cloud/storage 
' 
 ); 
 // Creates a client 
 const 
  
 storage 
  
 = 
  
 new 
  
 Storage 
 ({ 
  
 projectId 
 , 
 }); 
 async 
  
 function 
  
 getServiceAccount 
 () 
  
 { 
  
 const 
  
 [ 
 serviceAccount 
 ] 
  
 = 
  
 await 
  
 storage 
 . 
  getServiceAccount 
 
 (); 
  
 console 
 . 
 log 
 ( 
  
 `The GCS service account for project 
 ${ 
 projectId 
 } 
 is: 
 ${ 
 serviceAccount 
 . 
  emailAddress 
 
 } 
 ` 
  
 ); 
 } 
 getServiceAccount 
 (). 
 catch 
 ( 
 console 
 . 
 error 
 );

    For more information, see the Cloud Storage PHP API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      use Google\Cloud\Storage\StorageClient; 
 /** 
 * Get the current service account email. 
 * 
 * @param string $projectId The ID of your Google Cloud Platform project. 
 *        (e.g. 'my-project-id') 
 */ 
 function get_service_account(string $projectId): void 
 { 
 $storage = new StorageClient([ 
 'projectId' => $projectId, 
 ]); 
 $serviceAccountEmail = $storage->getServiceAccount(); 
 printf('The GCS service account email for project %s is %s', $projectId, $serviceAccountEmail); 
 }

    For more information, see the Cloud Storage Python API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      from 
  
 google.cloud 
  
 import 
  storage 
 
 def 
  
 get_service_account 
 (): 
  
 """Get the service account email""" 
 storage_client 
 = 
  storage 
 
 . 
  Client 
 
 () 
 email 
 = 
 storage_client 
 . 
  get_service_account_email 
 
 () 
 print 
 ( 
 f 
 "The GCS service account for project 
 { 
 storage_client 
 . 
  project 
 
 } 
 is: 
 { 
 email 
 } 
 " 
 )

    For more information, see the Cloud Storage Ruby API reference documentation .

    To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

      def 
  
 get_service_account 
  
 require 
  
 "google/cloud/storage" 
  
 storage 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Storage 
 
 . 
  new 
 
  
 email 
  
 = 
  
 storage 
 . 
 service_account_email 
  
 puts 
  
 "The GCS service account for project 
 #{ 
 storage 
 . 
 project_id 
 } 
 is: 
 #{ 
 email 
 } 
 " 
 end

    What's next

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