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    Create an empty disk

    This sample creates a new empty disk in a project in a given zone.

    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 
 ; 
 namespace 
  
 compute_proto 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 cpp 
 :: 
 compute 
 :: 
 v1 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 make_ready_future 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 std 
 :: 
 string 
  
 const 
&  
 project_id 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 zone 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 disk_name 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 disk_size_gb 
 , 
  
 std 
 :: 
 map<std 
 :: 
 string 
 , 
  
 std 
 :: 
 string 
>  
 const 
&  
 labels 
 ) 
  
 { 
  
 auto 
  
 client 
  
 = 
  
 compute_disks 
 :: 
 DisksClient 
 ( 
 compute_disks 
 :: 
 MakeDisksConnectionRest 
 ()); 
  
 compute_proto 
 :: 
 Disk 
  
 disk 
 ; 
  
 disk 
 . 
 set_name 
 ( 
 disk_name 
 ); 
  
 disk 
 . 
 set_size_gb 
 ( 
 disk_size_gb 
 ); 
  
 for 
  
 ( 
 auto 
  
 const 
&  
 l 
  
 : 
  
 labels 
 ) 
  
 { 
  
 ( 
 * 
 disk 
 . 
 mutable_labels 
 ())[ 
 l 
 . 
 first 
 ] 
  
 = 
  
 l 
 . 
 second 
 ; 
  
 } 
  
 StatusOr<compute_proto 
 :: 
 Disk 
>  
 result 
  
 = 
  
 client 
 . 
 InsertDisk 
 ( 
 project_id 
 , 
  
 zone 
 , 
  
 disk 
 ) 
  
 . 
 then 
 ([ 
 client 
 , 
  
 project_id 
 , 
  
 zone 
 , 
  
 disk_name 
 ]( 
 auto 
  
 f 
 ) 
  
 mutable 
  
 { 
  
 StatusOr<compute_proto 
 :: 
 Operation 
>  
 create_result 
  
 = 
  
 f 
 . 
 get 
 (); 
  
 if 
  
 ( 
 ! 
 create_result 
 ) 
  
 { 
  
 return 
  
 StatusOr<compute_proto 
 :: 
 Disk 
> ( 
  
 std 
 :: 
 move 
 ( 
 create_result 
 ). 
 status 
 ()); 
  
 } 
  
 auto 
  
 get_disk 
  
 = 
  
 client 
 . 
 GetDisk 
 ( 
 project_id 
 , 
  
 zone 
 , 
  
 disk_name 
 ); 
  
 return 
  
 get_disk 
 ; 
  
 }) 
  
 . 
 get 
 (); 
  
 if 
  
 ( 
 ! 
 result 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 result 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "Created disk: " 
 << 
 result 
 - 
> DebugString 
 () 
 << 
 " 
 \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" 
  
 "google.golang.org/protobuf/proto" 
 ) 
 // createEmptyDisk creates a new empty disk in a project in given zone. 
 func 
  
 createEmptyDisk 
 ( 
  
 w 
  
 io 
 . 
 Writer 
 , 
  
 projectID 
 , 
  
 zone 
 , 
  
 diskName 
 , 
  
 diskType 
  
 string 
 , 
  
 diskSizeGb 
  
 int64 
 , 
 ) 
  
 error 
  
 { 
  
 // projectID := "your_project_id" 
  
 // zone := "us-west3-b" // should match diskType below 
  
 // diskName := "your_disk_name" 
  
 // diskType := "zones/us-west3-b/diskTypes/pd-ssd" 
  
 // diskSizeGb := 120 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 disksClient 
 , 
  
 err 
  
 := 
  
 compute 
 . 
  NewDisksRESTClient 
 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "NewDisksRESTClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 disksClient 
 . 
 Close 
 () 
  
 req 
  
 := 
  
& computepb 
 . 
 InsertDiskRequest 
 { 
  
 Project 
 : 
  
 projectID 
 , 
  
 Zone 
 : 
  
 zone 
 , 
  
 DiskResource 
 : 
  
& computepb 
 . 
 Disk 
 { 
  
 Name 
 : 
  
 proto 
 . 
 String 
 ( 
 diskName 
 ), 
  
 Zone 
 : 
  
 proto 
 . 
 String 
 ( 
 zone 
 ), 
  
 Type 
 : 
  
 proto 
 . 
 String 
 ( 
 diskType 
 ), 
  
 SizeGb 
 : 
  
 proto 
 . 
 Int64 
 ( 
 diskSizeGb 
 ), 
  
 }, 
  
 } 
  
 op 
 , 
  
 err 
  
 := 
  
 disksClient 
 . 
 Insert 
 ( 
 ctx 
 , 
  
 req 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "unable to create 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 created\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. Disk 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. DisksClient 
 
 ; 
 import 
  
 com.google.cloud.compute.v1. InsertDiskRequest 
 
 ; 
 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 
 CreateEmptyDisk 
  
 { 
  
 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" 
 ; 
  
 // Name of the zone in which you want to create the disk. 
  
 String 
  
 zone 
  
 = 
  
 "europe-central2-b" 
 ; 
  
 // Name of the disk you want to create. 
  
 String 
  
 diskName 
  
 = 
  
 "YOUR_DISK_NAME" 
 ; 
  
 // The type of disk you want to create. This value uses the following format: 
  
 // "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)". 
  
 // For example: "zones/us-west3-b/diskTypes/pd-ssd" 
  
 String 
  
 diskType 
  
 = 
  
 String 
 . 
 format 
 ( 
 "zones/%s/diskTypes/pd-ssd" 
 , 
  
 zone 
 ); 
  
 // Size of the new disk in gigabytes. 
  
 long 
  
 diskSizeGb 
  
 = 
  
 10 
 ; 
  
 createEmptyDisk 
 ( 
 projectId 
 , 
  
 zone 
 , 
  
 diskName 
 , 
  
 diskType 
 , 
  
 diskSizeGb 
 ); 
  
 } 
  
 // Creates a new empty disk in a project in the given zone. 
  
 public 
  
 static 
  
 void 
  
 createEmptyDisk 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 zone 
 , 
  
 String 
  
 diskName 
 , 
  
 String 
  
 diskType 
 , 
  
 long 
  
 diskSizeGb 
 ) 
  
 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 
 ()) 
  
 { 
  
 // Set the disk properties. 
  
  Disk 
 
  
 disk 
  
 = 
  
  Disk 
 
 . 
 newBuilder 
 () 
  
 . 
 setName 
 ( 
 diskName 
 ) 
  
 . 
 setZone 
 ( 
 zone 
 ) 
  
 . 
 setType 
 ( 
 diskType 
 ) 
  
 . 
 setSizeGb 
 ( 
 diskSizeGb 
 ) 
  
 . 
 build 
 (); 
  
 // Create the Insert disk request. 
  
  InsertDiskRequest 
 
  
 insertDiskRequest 
  
 = 
  
  InsertDiskRequest 
 
 . 
 newBuilder 
 () 
  
 . 
 setProject 
 ( 
 projectId 
 ) 
  
 . 
 setZone 
 ( 
 zone 
 ) 
  
 . 
 setDiskResource 
 ( 
 disk 
 ) 
  
 . 
 build 
 (); 
  
 // Wait for the create disk operation to complete. 
  
  Operation 
 
  
 response 
  
 = 
  
 disksClient 
 . 
 insertAsync 
 ( 
 insertDiskRequest 
 ) 
  
 . 
 get 
 ( 
 3 
 , 
  
 TimeUnit 
 . 
 MINUTES 
 ); 
  
 if 
  
 ( 
 response 
 . 
  hasError 
 
 ()) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Disk creation failed!" 
  
 + 
  
 response 
 ); 
  
 return 
 ; 
  
 } 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Empty disk created. 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 
  
 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 
  
 create_empty_disk 
 ( 
 project_id 
 : 
 str 
 , 
 zone 
 : 
 str 
 , 
 disk_name 
 : 
 str 
 , 
 disk_type 
 : 
 str 
 , 
 disk_size_gb 
 : 
 int 
 ) 
 - 
> compute_v1 
 . 
 Disk 
 : 
  
 """ 
 Creates a new empty disk in a project in given zone. 
 Args: 
 project_id: project ID or project number of the Cloud project you want to use. 
 zone: name of the zone in which you want to create the disk. 
 disk_name: name of the disk you want to create. 
 disk_type: the type of disk you want to create. This value uses the following format: 
 "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)". 
 For example: "zones/us-west3-b/diskTypes/pd-ssd" 
 disk_size_gb: size of the new disk in gigabytes 
 Returns: 
 An unattached Disk instance. 
 """ 
 disk 
 = 
  compute_v1 
 
 . 
  Disk 
 
 () 
 disk 
 . 
 size_gb 
 = 
 disk_size_gb 
 disk 
 . 
 name 
 = 
 disk_name 
 disk 
 . 
 zone 
 = 
 zone 
 disk 
 . 
 type_ 
 = 
 disk_type 
 disk_client 
 = 
  compute_v1 
 
 . 
  DisksClient 
 
 () 
 operation 
 = 
 disk_client 
 . 
  insert 
 
 ( 
 project 
 = 
 project_id 
 , 
 zone 
 = 
 zone 
 , 
 disk_resource 
 = 
 disk 
 ) 
 wait_for_extended_operation 
 ( 
 operation 
 , 
 "disk creation" 
 ) 
 return 
 disk_client 
 . 
  get 
 
 ( 
 project 
 = 
 project_id 
 , 
 zone 
 = 
 zone 
 , 
 disk 
 = 
 disk 
 . 
 name 
 )

    What's next

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