Upload object from memory

  namespace 
  
 gcs 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 storage 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 gcs 
 :: 
 Client 
  
 client 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 bucket_name 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 object_name 
 ) 
  
 { 
  
 std 
 :: 
 string 
  
 const 
  
 text 
  
 = 
  
 "Lorem ipsum dolor sit amet" 
 ; 
  
 // For small uploads where the data is contiguous in memory use 
  
 // `InsertObject()`. For more specific size recommendations see 
  
 //     https://cloud.google.com/storage/docs/uploads-downloads#size 
  
 auto 
  
 metadata 
  
 = 
  
 client 
 . 
 InsertObject 
 ( 
 bucket_name 
 , 
  
 object_name 
 , 
  
 text 
 ); 
  
 if 
  
 ( 
 ! 
 metadata 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 metadata 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "Successfully wrote to object " 
 << 
 metadata 
 - 
> name 
 () 
 << 
 " its size is: " 
 << 
 metadata 
 - 
> size 
 () 
 << 
 " 
 \n 
 " 
 ; 
  
 // For larger uploads, or uploads where the data is not contiguous in 
  
 // memory, use `WriteObject()`. Consider using `std::ostream::write()` for 
  
 // best performance. 
  
 std 
 :: 
 vector<std 
 :: 
 string 
>  
 v 
 ( 
 100 
 , 
  
 text 
 ); 
  
 gcs 
 :: 
 ObjectWriteStream 
  
 stream 
  
 = 
  
 client 
 . 
 WriteObject 
 ( 
 bucket_name 
 , 
  
 object_name 
 ); 
  
 std 
 :: 
 copy 
 ( 
 v 
 . 
 begin 
 (), 
  
 v 
 . 
 end 
 (), 
  
 std 
 :: 
 ostream_iterator<std 
 :: 
 string 
> ( 
 stream 
 )); 
  
 stream 
 . 
 Close 
 (); 
  
 metadata 
  
 = 
  
 std 
 :: 
 move 
 ( 
 stream 
 ). 
 metadata 
 (); 
  
 if 
  
 ( 
 ! 
 metadata 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 metadata 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "Successfully wrote to object " 
 << 
 metadata 
 - 
> name 
 () 
 << 
 " its size is: " 
 << 
 metadata 
 - 
> size 
 () 
 << 
 " 
 \n 
 Full metadata: " 
 << 
 * 
 metadata 
 << 
 " 
 \n 
 " 
 ; 
 } 
 

  using 
  
  Google.Cloud.Storage.V1 
 
 ; 
 using 
  
 System 
 ; 
 using 
  
 System.IO 
 ; 
 using 
  
 System.Text 
 ; 
 public 
  
 class 
  
 UploadObjectFromMemorySample 
 { 
  
 public 
  
 void 
  
 UploadObjectFromMemory 
 ( 
  
 string 
  
 bucketName 
  
 = 
  
 "unique-bucket-name" 
 , 
  
 string 
  
 objectName 
  
 = 
  
 "file-name" 
 , 
  
 string 
  
 contents 
  
 = 
  
 "Hello world!" 
 ) 
  
 { 
  
 var 
  
 storage 
  
 = 
  
  StorageClient 
 
 . 
  Create 
 
 (); 
  
 byte 
 [] 
  
 byteArray 
  
 = 
  
 Encoding 
 . 
 UTF8 
 . 
 GetBytes 
 ( 
 contents 
 ); 
  
 MemoryStream 
  
 stream 
  
 = 
  
 new 
  
 MemoryStream 
 ( 
 byteArray 
 ); 
  
 storage 
 . 
 UploadObject 
 ( 
 bucketName 
 , 
  
 objectName 
 , 
  
 "application/octet-stream" 
  
 , 
  
 stream 
 ); 
  
 Console 
 . 
 WriteLine 
 ( 
 $" {objectName} uploaded to bucket {bucketName} with contents: {contents}" 
 ); 
  
 } 
 } 
 

  import 
  
 ( 
  
 "bytes" 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 "time" 
  
 "cloud.google.com/go/storage" 
 ) 
 // streamFileUpload uploads an object via a stream. 
 func 
  
 streamFileUpload 
 ( 
 w 
  
 io 
 . 
  Writer 
 
 , 
  
 bucket 
 , 
  
 object 
  
 string 
 ) 
  
 error 
  
 { 
  
 // bucket := "bucket-name" 
  
 // object := "object-name" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 storage 
 . 
 NewClient 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "storage.NewClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 client 
 . 
 Close 
 () 
  
 b 
  
 := 
  
 [] 
 byte 
 ( 
 "Hello world." 
 ) 
  
 buf 
  
 := 
  
 bytes 
 . 
 NewBuffer 
 ( 
 b 
 ) 
  
 ctx 
 , 
  
 cancel 
  
 := 
  
 context 
 . 
 WithTimeout 
 ( 
 ctx 
 , 
  
 time 
 . 
 Second 
 * 
 50 
 ) 
  
 defer 
  
 cancel 
 () 
  
 // Upload an object with storage.Writer. 
  
 wc 
  
 := 
  
 client 
 . 
  Bucket 
 
 ( 
 bucket 
 ). 
  Object 
 
 ( 
 object 
 ). 
  NewWriter 
 
 ( 
 ctx 
 ) 
  
 wc 
 . 
 ChunkSize 
  
 = 
  
 0 
  
 // note retries are not supported for chunk size 0. 
  
 if 
  
 _ 
 , 
  
 err 
  
 = 
  
 io 
 . 
 Copy 
 ( 
 wc 
 , 
  
 buf 
 ); 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "io.Copy: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 // Data can continue to be added to the file until the writer is closed. 
  
 if 
  
 err 
  
 := 
  
 wc 
 . 
 Close 
 (); 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "Writer.Close: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "%v uploaded to %v.\n" 
 , 
  
 object 
 , 
  
 bucket 
 ) 
  
 return 
  
 nil 
 } 
 

  import 
  
 com.google.cloud.storage. BlobId 
 
 ; 
 import 
  
 com.google.cloud.storage. BlobInfo 
 
 ; 
 import 
  
 com.google.cloud.storage. Storage 
 
 ; 
 import 
  
 com.google.cloud.storage. StorageOptions 
 
 ; 
 import 
  
 java.io.IOException 
 ; 
 import 
  
 java.nio.charset.StandardCharsets 
 ; 
 public 
  
 class 
 UploadObjectFromMemory 
  
 { 
  
 public 
  
 static 
  
 void 
  
 uploadObjectFromMemory 
 ( 
  
 String 
  
 projectId 
 , 
  
 String 
  
 bucketName 
 , 
  
 String 
  
 objectName 
 , 
  
 String 
  
 contents 
 ) 
  
 throws 
  
 IOException 
  
 { 
  
 // The ID of your GCP project 
  
 // String projectId = "your-project-id"; 
  
 // The ID of your GCS bucket 
  
 // String bucketName = "your-unique-bucket-name"; 
  
 // The ID of your GCS object 
  
 // String objectName = "your-object-name"; 
  
 // The string of contents you wish to upload 
  
 // String contents = "Hello world!"; 
  
  Storage 
 
  
 storage 
  
 = 
  
  StorageOptions 
 
 . 
 newBuilder 
 (). 
 setProjectId 
 ( 
 projectId 
 ). 
 build 
 (). 
  getService 
 
 (); 
  
  BlobId 
 
  
 blobId 
  
 = 
  
  BlobId 
 
 . 
 of 
 ( 
 bucketName 
 , 
  
 objectName 
 ); 
  
  BlobInfo 
 
  
 blobInfo 
  
 = 
  
  BlobInfo 
 
 . 
 newBuilder 
 ( 
 blobId 
 ). 
 build 
 (); 
  
 byte 
 [] 
  
 content 
  
 = 
  
 contents 
 . 
 getBytes 
 ( 
 StandardCharsets 
 . 
 UTF_8 
 ); 
  
 // Optional: set a generation-match precondition to enable automatic retries, avoid potential 
  
 // race 
  
 // conditions and data corruptions. The request returns a 412 error if the 
  
 // preconditions are not met. 
  
  Storage 
 
 . 
 BlobTargetOption 
  
 precondition 
 ; 
  
 if 
  
 ( 
 storage 
 . 
  get 
 
 ( 
 bucketName 
 , 
  
 objectName 
 ) 
  
 == 
  
 null 
 ) 
  
 { 
  
 // For a target object that does not yet exist, set the DoesNotExist precondition. 
  
 // This will cause the request to fail if the object is created before the request runs. 
  
 precondition 
  
 = 
  
  Storage 
 
 . 
 BlobTargetOption 
 . 
 doesNotExist 
 (); 
  
 } 
  
 else 
  
 { 
  
 // If the destination already exists in your bucket, instead set a generation-match 
  
 // precondition. This will cause the request to fail if the existing object's generation 
  
 // changes before the request runs. 
  
 precondition 
  
 = 
  
  Storage 
 
 . 
 BlobTargetOption 
 . 
 generationMatch 
 ( 
  
 storage 
 . 
  get 
 
 ( 
 bucketName 
 , 
  
 objectName 
 ). 
 getGeneration 
 ()); 
  
 } 
  
 storage 
 . 
  create 
 
 ( 
 blobInfo 
 , 
  
 content 
 , 
  
 precondition 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
  
 "Object " 
  
 + 
  
 objectName 
  
 + 
  
 " uploaded to bucket " 
  
 + 
  
 bucketName 
  
 + 
  
 " with contents " 
  
 + 
  
 contents 
 ); 
  
 } 
 } 
 

  /** 
 * TODO(developer): Uncomment the following lines before running the sample. 
 */ 
 // The ID of your GCS bucket 
 // const bucketName = 'your-unique-bucket-name'; 
 // The contents that you want to upload 
 // const contents = 'these are my contents'; 
 // The new ID for your GCS file 
 // const destFileName = 'your-new-file-name'; 
 // Imports the Google Cloud Node.js client library 
 const 
  
 { 
 Storage 
 } 
  
 = 
  
 require 
 ( 
 ' @google-cloud/storage 
' 
 ); 
 // Creates a client 
 const 
  
 storage 
  
 = 
  
 new 
  
 Storage 
 (); 
 async 
  
 function 
  
 uploadFromMemory 
 () 
  
 { 
  
 await 
  
 storage 
 . 
 bucket 
 ( 
 bucketName 
 ). 
 file 
 ( 
 destFileName 
 ). 
  save 
 
 ( 
 contents 
 ); 
  
 console 
 . 
 log 
 ( 
  
 ` 
 ${ 
 destFileName 
 } 
 with contents 
 ${ 
 contents 
 } 
 uploaded to 
 ${ 
 bucketName 
 } 
 .` 
  
 ); 
 } 
 uploadFromMemory 
 (). 
 catch 
 ( 
 console 
 . 
 error 
 ); 
 

  use Google\Cloud\Storage\StorageClient; 
 /** 
 * Upload an object from memory buffer. 
 * 
 * @param string $bucketName The name of your Cloud Storage bucket. 
 *        (e.g. 'my-bucket') 
 * @param string $objectName The name of your Cloud Storage object. 
 *        (e.g. 'my-object') 
 * @param string $contents The contents to upload to the file. 
 *        (e.g. 'these are my contents') 
 */ 
 function upload_object_from_memory( 
 string $bucketName, 
 string $objectName, 
 string $contents 
 ): void { 
 $storage = new StorageClient(); 
 if (!$stream = fopen('data://text/plain,' . $contents, 'r')) { 
 throw new \InvalidArgumentException('Unable to open file for reading'); 
 } 
 $bucket = $storage->bucket($bucketName); 
 $bucket->upload($stream, [ 
 'name' => $objectName, 
 ]); 
 printf('Uploaded %s to gs://%s/%s' . PHP_EOL, $contents, $bucketName, $objectName); 
 } 
 

  from 
  
 google.cloud 
  
 import 
  storage 
 
 def 
  
 upload_blob_from_memory 
 ( 
 bucket_name 
 , 
 contents 
 , 
 destination_blob_name 
 ): 
  
 """Uploads a file to the bucket.""" 
 # The ID of your GCS bucket 
 # bucket_name = "your-bucket-name" 
 # The contents to upload to the file 
 # contents = "these are my contents" 
 # The ID of your GCS object 
 # destination_blob_name = "storage-object-name" 
 storage_client 
 = 
  storage 
 
 . 
  Client 
 
 () 
 bucket 
 = 
 storage_client 
 . 
  bucket 
 
 ( 
 bucket_name 
 ) 
 blob 
 = 
 bucket 
 . 
 blob 
 ( 
 destination_blob_name 
 ) 
 blob 
 . 
  upload_from_string 
 
 ( 
 contents 
 ) 
 print 
 ( 
 f 
 " 
 { 
 destination_blob_name 
 } 
 with contents 
 { 
 contents 
 } 
 uploaded to 
 { 
 bucket_name 
 } 
 ." 
 ) 
 

  # The ID of your GCS bucket 
 # bucket_name = "your-unique-bucket-name" 
 # The ID of your GCS object 
 # file_name = "your-file-name" 
 # The contents to upload to your file 
 # file_content = "Hello, world!" 
 require 
  
 "google/cloud/storage" 
 storage 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Storage 
 
 . 
  new 
 
 bucket 
  
 = 
  
 storage 
 . 
 bucket 
  
 bucket_name 
 , 
  
 skip_lookup 
 : 
  
 true 
 file 
  
 = 
  
 bucket 
 . 
  create_file 
 
  
 StringIO 
 . 
  new 
 
 ( 
 file_content 
 ), 
  
 file_name 
 puts 
  
 "Uploaded file 
 #{ 
 file 
 . 
 name 
 } 
 to bucket 
 #{ 
 bucket_name 
 } 
 with content: 
 #{ 
 file_content 
 } 
 "