Resize a persistent disk

This sample resizes a persistent disk to a specified size in GB. After you resize the disk, you must also resize the file system so that the operating system can access the additional space.

Code sample

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. DisksClient 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. DisksResizeRequest 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. Operation 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. ResizeDiskRequest 
 
 ; 
 import 
  
 java.io.IOException 
 ; 
 import 
  
 java.util.concurrent.ExecutionException 
 ; 
 import 
  
 java.util.concurrent.TimeUnit 
 ; 
 import 
  
 java.util.concurrent.TimeoutException 
 ; 
 public 
  
 class 
 ResizeDisk 
  
 { 
  
 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" 
 ; 
  
 // Zone of the disk to be resized. 
  
 String 
  
 diskZone 
  
 = 
  
 "us-central1-a" 
 ; 
  
 // Name of the disk that you want to resize. 
  
 String 
  
 diskName 
  
 = 
  
 "DISK_NAME" 
 ; 
  
 // The new size you want to set for the disk in gigabytes. 
  
 int 
  
 newSizeGb 
  
 = 
  
 23 
 ; 
  
 resizeDisk 
 ( 
 projectId 
 , 
  
 diskZone 
 , 
  
 diskName 
 , 
  
 newSizeGb 
 ); 
  
 } 
  
 // Resizes a persistent disk to a specified size in GB. After you resize the disk, you must 
  
 // also resize the file system so that the operating system can access the additional space. 
  
 public 
  
 static 
  
 void 
  
 resizeDisk 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 diskZone 
 , 
  
 String 
  
 diskName 
 , 
  
 int 
  
 newSizeGb 
 ) 
  
 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 
 ()) 
  
 { 
  
  ResizeDiskRequest 
 
  
 resizeDiskRequest 
  
 = 
  
  ResizeDiskRequest 
 
 . 
 newBuilder 
 () 
  
 . 
 setZone 
 ( 
 diskZone 
 ) 
  
 . 
  setDisksResizeRequestResource 
 
 ( 
  DisksResizeRequest 
 
 . 
 newBuilder 
 () 
  
 . 
 setSizeGb 
 ( 
 newSizeGb 
 ) 
  
 . 
 build 
 ()) 
  
 . 
 setDisk 
 ( 
 diskName 
 ) 
  
 . 
 setProject 
 ( 
 projectId 
 ) 
  
 . 
 build 
 (); 
  
  Operation 
 
  
 response 
  
 = 
  
 disksClient 
 . 
 resizeAsync 
 ( 
 resizeDiskRequest 
 ) 
  
 . 
 get 
 ( 
 3 
 , 
  
 TimeUnit 
 . 
 MINUTES 
 ); 
  
 if 
  
 ( 
 response 
 . 
  hasError 
 
 ()) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Resize disk failed! " 
  
 + 
  
 response 
 ); 
  
 return 
 ; 
  
 } 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Resize disk - operation status: " 
  
 + 
  
 response 
 . 
  getStatus 
 
 ()); 
  
 } 
  
 } 
 } 
 

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 
  
 re 
 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 
  
 resize_disk 
 ( 
 project_id 
 : 
 str 
 , 
 disk_link 
 : 
 str 
 , 
 new_size_gb 
 : 
 int 
 ) 
 - 
> None 
 : 
  
 """ 
 Resizes a persistent disk to a specified size in GB. After you resize the disk, you must 
 also resize the file system so that the operating system can access the additional space. 
 Args: 
 project_id: project ID or project number of the Cloud project you want to use. 
 disk_link: a link to the disk you want to resize. 
 This value uses the following format: 
 * https://www.googleapis.com/compute/v1/projects/{project_name}/zones/{zone}/disks/{disk_name} 
 * projects/{project_name}/zones/{zone}/disks/{disk_name} 
 * projects/{project_name}/regions/{region}/disks/{disk_name} 
 new_size_gb: the new size you want to set for the disk in gigabytes. 
 """ 
 search_results 
 = 
 re 
 . 
 search 
 ( 
 r 
 "/projects/[\w_-]+/(?P<area_type>zones|regions)/" 
 r 
 "(?P<area_name>[\w_-]+)/disks/(?P<disk_name>[\w_-]+)" 
 , 
 disk_link 
 , 
 ) 
 if 
 search_results 
 [ 
 "area_type" 
 ] 
 == 
 "regions" 
 : 
 disk_client 
 = 
  compute_v1 
 
 . 
  RegionDisksClient 
 
 () 
 request 
 = 
  compute_v1 
 
 . 
  ResizeRegionDiskRequest 
 
 () 
 request 
 . 
 region 
 = 
 search_results 
 [ 
 "area_name" 
 ] 
 request 
 . 
 region_disks_resize_request_resource 
 = 
 ( 
  compute_v1 
 
 . 
  RegionDisksResizeRequest 
 
 () 
 ) 
 request 
 . 
 region_disks_resize_request_resource 
 . 
 size_gb 
 = 
 new_size_gb 
 else 
 : 
 disk_client 
 = 
  compute_v1 
 
 . 
  DisksClient 
 
 () 
 request 
 = 
  compute_v1 
 
 . 
  ResizeDiskRequest 
 
 () 
 request 
 . 
 zone 
 = 
 search_results 
 [ 
 "area_name" 
 ] 
 request 
 . 
 disks_resize_request_resource 
 = 
  compute_v1 
 
 . 
  DisksResizeRequest 
 
 () 
 request 
 . 
 disks_resize_request_resource 
 . 
 size_gb 
 = 
 new_size_gb 
 request 
 . 
 disk 
 = 
 search_results 
 [ 
 "disk_name" 
 ] 
 request 
 . 
 project 
 = 
 project_id 
 operation 
 = 
 disk_client 
 . 
  resize 
 
 ( 
 request 
 ) 
 wait_for_extended_operation 
 ( 
 operation 
 , 
 "disk resize" 
 ) 
 

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