gcs-resumable-upload
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Upload a file to Google Cloud Storage with built-in resumable behavior
The gcs-resumable-upload npm package is designed to facilitate resumable uploads to Google Cloud Storage. It allows users to upload large files in chunks, which can be particularly useful for handling network interruptions and ensuring that uploads can be resumed from the point of failure.
Initiate a Resumable Upload
This feature allows you to initiate a resumable upload session by creating a unique upload URI. This URI can be used to upload the file in chunks.
const { Upload } = require('gcs-resumable-upload');
const upload = new Upload({
bucket: 'my-bucket',
file: 'my-file.txt',
authConfig: 'path/to/keyfile.json'
});
upload.createURI((err, uri) => {
if (err) {
console.error('Error creating URI:', err);
} else {
console.log('Upload URI:', uri);
}
});Upload a File Chunk
This feature allows you to upload a file chunk to the previously created upload URI. It handles the actual data transfer to Google Cloud Storage.
const fs = require('fs');
const { Upload } = require('gcs-resumable-upload');
const upload = new Upload({
bucket: 'my-bucket',
file: 'my-file.txt',
authConfig: 'path/to/keyfile.json'
});
const uri = 'your-upload-uri';
const fileStream = fs.createReadStream('path/to/local/file');
upload.startUploading(uri, fileStream, (err, res) => {
if (err) {
console.error('Error uploading file:', err);
} else {
console.log('File uploaded successfully:', res);
}
});Resume an Interrupted Upload
This feature allows you to resume an interrupted upload by continuing from the last successfully uploaded chunk. It ensures that the upload process can be completed even after a network failure.
const fs = require('fs');
const { Upload } = require('gcs-resumable-upload');
const upload = new Upload({
bucket: 'my-bucket',
file: 'my-file.txt',
authConfig: 'path/to/keyfile.json'
});
const uri = 'your-upload-uri';
const fileStream = fs.createReadStream('path/to/local/file');
upload.continueUploading(uri, fileStream, (err, res) => {
if (err) {
console.error('Error resuming upload:', err);
} else {
console.log('Upload resumed successfully:', res);
}
});The gcs-upload package is another library for uploading files to Google Cloud Storage. It supports both simple and resumable uploads. While it offers similar functionality to gcs-resumable-upload, it may not be as widely used or maintained.
Upload a file to Google Cloud Storage with built-in resumable behavior
$ npm install gcs-resumable-upload
const {upload} = require('gcs-resumable-upload');
const fs = require('fs');
fs.createReadStream('titanic.mov')
.pipe(upload({ bucket: 'legally-owned-movies', file: 'titanic.mov' }))
.on('finish', () => {
// Uploaded!
});
Or from the command line:
$ npm install -g gcs-resumable-upload
$ cat titanic.mov | gcs-upload legally-owned-movies titanic.mov
If somewhere during the operation, you lose your connection to the internet or your tough-guy brother slammed your laptop shut when he saw what you were uploading, the next time you try to upload to that file, it will resume automatically from where you left off.
This module stores a file using ConfigStore that is written to when you first start an upload. It is aliased by the file name you are uploading to and holds the first 16kb chunk of data* as well as the unique resumable upload URI. (Resumable uploads are complicated)
If your upload was interrupted, next time you run the code, we ask the API how much data it has already, then simply dump all of the data coming through the pipe that it already has.
After the upload completes, the entry in the config file is removed. Done!
* The first 16kb chunk is stored to validate if you are sending the same data when you resume the upload. If not, a new resumable upload is started with the new data.
Oh, right. This module uses google-auth-library and accepts all of the configuration that module does to strike up a connection as config.authConfig. See authConfig.
const {gcsResumableUpload} = require('gcs-resumable-upload')
const upload = gcsResumableUpload(config)
upload is an instance of Duplexify.
ErrorInvoked if the authorization failed or the request to start a resumable session failed.
StringThe resumable upload session URI.
This will remove the config data associated with the provided file.
objectConfiguration object.
GoogleAuthIf you want to re-use an auth client from google-auth-library, pass an instance here.
objectSee authConfig.
stringThe name of the destination bucket.
stringWhere the gcs-resumable-upload configuration file should be stored on your system. This maps to the configstore option by the same name.
stringThe name of the destination file.
numberThis will cause the upload to fail if the current generation of the remote object does not match the one provided here.
string|bufferA customer-supplied encryption key.
stringResource name of the Cloud KMS key, of the form projects/my-project/locations/global/keyRings/my-kr/cryptoKeys/my-key, that will be used to encrypt the object. Overrides the object metadata's kms_key_name value, if any.
objectAny metadata you wish to set on the object.
Set the length of the file being uploaded.
Set the content type of the incoming data.
numberThe starting byte of the upload stream, for resuming an interrupted upload.
stringSet an Origin header when creating the resumable upload URI.
stringApply a predefined set of access controls to the created file.
Acceptable values are:
authenticatedRead - Object owner gets OWNER access, and allAuthenticatedUsers get READER access.bucketOwnerFullControl - Object owner gets OWNER access, and project team owners get OWNER access.bucketOwnerRead - Object owner gets OWNER access, and project team owners get READER access.private - Object owner gets OWNER access.projectPrivate - Object owner gets OWNER access, and project team members get access according to their roles.publicRead - Object owner gets OWNER access, and allUsers get READER access.booleanMake the uploaded file private. (Alias for config.predefinedAcl = 'private')
booleanMake the uploaded file public. (Alias for config.predefinedAcl = 'publicRead')
stringIf you already have a resumable URI from a previously-created resumable upload, just pass it in here and we'll use that.
stringIf the bucket being accessed has requesterPays functionality enabled, this can be set to control which project is billed for the access of this file.
ErrorInvoked if the authorization failed, the request failed, or the file wasn't successfully uploaded.
ObjectThe response object from Gaxios.
ObjectThe file's new metadata.
The file was uploaded successfully.
const {createURI} = require('gcs-resumable-upload')
ErrorInvoked if the authorization failed or the request to start a resumable session failed.
StringThe resumable upload session URI.
FAQs
Upload a file to Google Cloud Storage with built-in resumable behavior
The npm package gcs-resumable-upload receives a total of 105,503 weekly downloads. As such, gcs-resumable-upload popularity was classified as popular.
We found that gcs-resumable-upload demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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