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    Delete a disk

    Delete a persistent disk from the specified zone.

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

    Code sample

    C++

    Before trying this sample, follow the C++ setup instructions in the Compute Engine quickstart using client libraries . For more information, see the Compute Engine C++ API reference documentation .

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

      namespace 
  
 compute_disks 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 compute_disks_v1 
 ; 
 []( 
 std 
 :: 
 string 
  
 const 
&  
 project_id 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 zone 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 disk_name 
 ) 
  
 { 
  
 auto 
  
 client 
  
 = 
  
 compute_disks 
 :: 
 DisksClient 
 ( 
 compute_disks 
 :: 
 MakeDisksConnectionRest 
 ()); 
  
 auto 
  
 delete_result 
  
 = 
  
 client 
 . 
 DeleteDisk 
 ( 
 project_id 
 , 
  
 zone 
 , 
  
 disk_name 
 ). 
 get 
 (); 
  
 if 
  
 ( 
 ! 
 delete_result 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 delete_result 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "Deleted disk: " 
 << 
 disk_name 
 << 
 " 
 \n 
 " 
 ; 
 }

    Go

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

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

      import 
  
 ( 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 compute 
  
 "cloud.google.com/go/compute/apiv1" 
  
 computepb 
  
 "cloud.google.com/go/compute/apiv1/computepb" 
 ) 
 // deleteDisk deletes a disk from a project. 
 func 
  
 deleteDisk 
 ( 
 w 
  
 io 
 . 
 Writer 
 , 
  
 projectID 
 , 
  
 zone 
 , 
  
 diskName 
  
 string 
 ) 
  
 error 
  
 { 
  
 // projectID := "your_project_id" 
  
 // zone := "us-west3-b" 
  
 // diskName := "your_disk_name" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 disksClient 
 , 
  
 err 
  
 := 
  
 compute 
 . 
  NewDisksRESTClient 
 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "NewDisksRESTClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 disksClient 
 . 
 Close 
 () 
  
 req 
  
 := 
  
& computepb 
 . 
 DeleteDiskRequest 
 { 
  
 Project 
 : 
  
 projectID 
 , 
  
 Zone 
 : 
  
 zone 
 , 
  
 Disk 
 : 
  
 diskName 
 , 
  
 } 
  
 op 
 , 
  
 err 
  
 := 
  
 disksClient 
 . 
 Delete 
 ( 
 ctx 
 , 
  
 req 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "unable to delete disk: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 if 
  
 err 
  
 = 
  
 op 
 . 
 Wait 
 ( 
 ctx 
 ); 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "unable to wait for the operation: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "Disk deleted\n" 
 ) 
  
 return 
  
 nil 
 }

    Java

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

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

      import 
  
 com.google.cloud.compute.v1. DeleteDiskRequest 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. DisksClient 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. Operation 
 
 ; 
 import 
  
 java.io.IOException 
 ; 
 import 
  
 java.util.concurrent.ExecutionException 
 ; 
 import 
  
 java.util.concurrent.TimeUnit 
 ; 
 import 
  
 java.util.concurrent.TimeoutException 
 ; 
 public 
  
 class 
 DeleteDisk 
  
 { 
  
 public 
  
 static 
  
 void 
  
 main 
 ( 
 String 
 [] 
  
 args 
 ) 
  
 throws 
  
 IOException 
 , 
  
 ExecutionException 
 , 
  
 InterruptedException 
 , 
  
 TimeoutException 
  
 { 
  
 // TODO(developer): Replace these variables before running the sample. 
  
 // Project ID or project number of the Cloud project you want to use. 
  
 String 
  
 projectId 
  
 = 
  
 "YOUR_PROJECT_ID" 
 ; 
  
 // The zone from where you want to delete the disk. 
  
 String 
  
 zone 
  
 = 
  
 "europe-central2-b" 
 ; 
  
 // Name of the disk you want to delete. 
  
 String 
  
 diskName 
  
 = 
  
 "YOUR_DISK_NAME" 
 ; 
  
 deleteDisk 
 ( 
 projectId 
 , 
  
 zone 
 , 
  
 diskName 
 ); 
  
 } 
  
 // Deletes a disk from a project. 
  
 public 
  
 static 
  
 void 
  
 deleteDisk 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 zone 
 , 
  
 String 
  
 diskName 
 ) 
  
 throws 
  
 IOException 
 , 
  
 ExecutionException 
 , 
  
 InterruptedException 
 , 
  
 TimeoutException 
  
 { 
  
 // Initialize client that will be used to send requests. This client only needs to be created 
  
 // once, and can be reused for multiple requests. After completing all of your requests, call 
  
 // the `disksClient.close()` method on the client to safely 
  
 // clean up any remaining background resources. 
  
 try 
  
 ( 
  DisksClient 
 
  
 disksClient 
  
 = 
  
  DisksClient 
 
 . 
 create 
 ()) 
  
 { 
  
 // Create the request object. 
  
  DeleteDiskRequest 
 
  
 deleteDiskRequest 
  
 = 
  
  DeleteDiskRequest 
 
 . 
 newBuilder 
 () 
  
 . 
 setProject 
 ( 
 projectId 
 ) 
  
 . 
 setZone 
 ( 
 zone 
 ) 
  
 . 
 setDisk 
 ( 
 diskName 
 ) 
  
 . 
 build 
 (); 
  
 // Wait for the delete disk operation to complete. 
  
  Operation 
 
  
 response 
  
 = 
  
 disksClient 
 . 
 deleteAsync 
 ( 
 deleteDiskRequest 
 ) 
  
 . 
 get 
 ( 
 3 
 , 
  
 TimeUnit 
 . 
 MINUTES 
 ); 
  
 if 
  
 ( 
 response 
 . 
  hasError 
 
 ()) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Disk deletion failed!" 
  
 + 
  
 response 
 ); 
  
 return 
 ; 
  
 } 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Operation Status: " 
  
 + 
  
 response 
 . 
  getStatus 
 
 ()); 
  
 } 
  
 } 
 }

    Node.js

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

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

      /** 
 * TODO(developer): Uncomment and replace these variables before running the sample. 
 */ 
 // const projectId = 'YOUR_PROJECT_ID'; 
 // const zone = 'europe-central2-b'; 
 // const diskName = 'YOUR_DISK_NAME'; 
 const 
  
 compute 
  
 = 
  
 require 
 ( 
 ' @google-cloud/compute 
' 
 ); 
 async 
  
 function 
  
 deleteDisk 
 () 
  
 { 
  
 const 
  
 disksClient 
  
 = 
  
 new 
  
 compute 
 . 
  DisksClient 
 
 (); 
  
 const 
  
 [ 
 response 
 ] 
  
 = 
  
 await 
  
 disksClient 
 . 
 delete 
 ({ 
  
 project 
 : 
  
 projectId 
 , 
  
 zone 
 , 
  
 disk 
 : 
  
 diskName 
 , 
  
 }); 
  
 let 
  
 operation 
  
 = 
  
 response 
 . 
 latestResponse 
 ; 
  
 const 
  
 operationsClient 
  
 = 
  
 new 
  
 compute 
 . 
  ZoneOperationsClient 
 
 (); 
  
 // Wait for the create disk operation to complete. 
  
 while 
  
 ( 
 operation 
 . 
 status 
  
 !== 
  
 'DONE' 
 ) 
  
 { 
  
 [ 
 operation 
 ] 
  
 = 
  
 await 
  
 operationsClient 
 . 
 wait 
 ({ 
  
 operation 
 : 
  
 operation 
 . 
 name 
 , 
  
 project 
 : 
  
 projectId 
 , 
  
 zone 
 : 
  
 operation 
 . 
 zone 
 . 
 split 
 ( 
 '/' 
 ). 
 pop 
 (), 
  
 }); 
  
 } 
  
 console 
 . 
 log 
 ( 
 'Disk deleted.' 
 ); 
 } 
 deleteDisk 
 ();

    Python

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

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

      from 
  
 __future__ 
  
 import 
 annotations 
 import 
  
 sys 
 from 
  
 typing 
  
 import 
 Any 
 from 
  
 google.api_core.extended_operation 
  
 import 
 ExtendedOperation 
 from 
  
 google.cloud 
  
 import 
  compute_v1 
 
 def 
  
 wait_for_extended_operation 
 ( 
 operation 
 : 
 ExtendedOperation 
 , 
 verbose_name 
 : 
 str 
 = 
 "operation" 
 , 
 timeout 
 : 
 int 
 = 
 300 
 ) 
 - 
> Any 
 : 
  
 """ 
 Waits for the extended (long-running) operation to complete. 
 If the operation is successful, it will return its result. 
 If the operation ends with an error, an exception will be raised. 
 If there were any warnings during the execution of the operation 
 they will be printed to sys.stderr. 
 Args: 
 operation: a long-running operation you want to wait on. 
 verbose_name: (optional) a more verbose name of the operation, 
 used only during error and warning reporting. 
 timeout: how long (in seconds) to wait for operation to finish. 
 If None, wait indefinitely. 
 Returns: 
 Whatever the operation.result() returns. 
 Raises: 
 This method will raise the exception received from `operation.exception()` 
 or RuntimeError if there is no exception set, but there is an `error_code` 
 set for the `operation`. 
 In case of an operation taking longer than `timeout` seconds to complete, 
 a `concurrent.futures.TimeoutError` will be raised. 
 """ 
 result 
 = 
 operation 
 . 
 result 
 ( 
 timeout 
 = 
 timeout 
 ) 
 if 
 operation 
 . 
 error_code 
 : 
 print 
 ( 
 f 
 "Error during 
 { 
 verbose_name 
 } 
 : [Code: 
 { 
 operation 
 . 
 error_code 
 } 
 ]: 
 { 
 operation 
 . 
 error_message 
 } 
 " 
 , 
 file 
 = 
 sys 
 . 
 stderr 
 , 
 flush 
 = 
 True 
 , 
 ) 
 print 
 ( 
 f 
 "Operation ID: 
 { 
 operation 
 . 
 name 
 } 
 " 
 , 
 file 
 = 
 sys 
 . 
 stderr 
 , 
 flush 
 = 
 True 
 ) 
 raise 
 operation 
 . 
 exception 
 () 
 or 
 RuntimeError 
 ( 
 operation 
 . 
 error_message 
 ) 
 if 
 operation 
 . 
 warnings 
 : 
 print 
 ( 
 f 
 "Warnings during 
 { 
 verbose_name 
 } 
 : 
 \n 
 " 
 , 
 file 
 = 
 sys 
 . 
 stderr 
 , 
 flush 
 = 
 True 
 ) 
 for 
 warning 
 in 
 operation 
 . 
 warnings 
 : 
 print 
 ( 
 f 
 " - 
 { 
 warning 
 . 
 code 
 } 
 : 
 { 
 warning 
 . 
 message 
 } 
 " 
 , 
 file 
 = 
 sys 
 . 
 stderr 
 , 
 flush 
 = 
 True 
 ) 
 return 
 result 
 def 
  
 delete_disk 
 ( 
 project_id 
 : 
 str 
 , 
 zone 
 : 
 str 
 , 
 disk_name 
 : 
 str 
 ) 
 - 
> None 
 : 
  
 """ 
 Deletes a disk from a project. 
 Args: 
 project_id: project ID or project number of the Cloud project you want to use. 
 zone: name of the zone in which is the disk you want to delete. 
 disk_name: name of the disk you want to delete. 
 """ 
 disk_client 
 = 
  compute_v1 
 
 . 
  DisksClient 
 
 () 
 operation 
 = 
 disk_client 
 . 
  delete 
 
 ( 
 project 
 = 
 project_id 
 , 
 zone 
 = 
 zone 
 , 
 disk 
 = 
 disk_name 
 ) 
 wait_for_extended_operation 
 ( 
 operation 
 , 
 "disk deletion" 
 )

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