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/* | ||
* MinIO Javascript Library for Amazon S3 Compatible Cloud Storage, (C) 2021 MinIO, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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// Note: YOUR-ACCESSKEYID, YOUR-SECRETACCESSKEY, my-bucketname and my-objectname | ||
// are dummy values, please replace them with original values. | ||
import fs from 'node:fs' | ||
import os from 'node:os' | ||
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import * as Minio from 'minio' | ||
import splitFile from 'split-file' | ||
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const s3Client = new Minio.Client({ | ||
endPoint: 'localhost', | ||
accessKey: 'minio', | ||
secretKey: 'minio123', | ||
useSSL: false, | ||
port: 22000, | ||
//partSize: 5 * 1024 * 1024 | ||
}) | ||
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const oneMB = 1024 * 1024 | ||
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// Create a bucket prior to running: mc mb local/source-bucket | ||
const sampleRunComposeObject = async () => { | ||
const tmpDir = os.tmpdir() | ||
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const bucketName = 'source-bucket' | ||
// generate 100 MB buffer and write to a file. | ||
const local100mbFileToBeSplitAndComposed = Buffer.alloc(100 * oneMB, 0) | ||
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const composedObjName = '_100-mb-file-to-test-compose' | ||
const tmpSubDir = `${tmpDir}/compose` | ||
const fileToSplit = `${tmpSubDir}/${composedObjName}` | ||
const partObjNameList = [] | ||
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fs.mkdir(tmpSubDir, { recursive: true }, function (err) { | ||
if (err) { | ||
console.log(err) | ||
} else { | ||
console.log('New Temp directory successfully created.') | ||
} | ||
}) | ||
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try { | ||
fs.writeFileSync(fileToSplit, local100mbFileToBeSplitAndComposed) | ||
console.log('Written 100 MB File ') | ||
// 100 MB split into 26 MB part size. ( just to test unequal parts ). But change as required. | ||
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const names = await splitFile.splitFileBySize(fileToSplit, 26 * oneMB) | ||
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console.log('Split and write 100 MB File(s) ', names) | ||
const putPartRequests = names.map((partFileName) => { | ||
const partObjName = partFileName.slice((tmpSubDir + '/').length) | ||
partObjNameList.push(partObjName) | ||
return s3Client.fPutObject(bucketName, partObjName, partFileName, {}) | ||
}) | ||
await Promise.all(putPartRequests) | ||
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console.log('Uploaded part Files: ', names) | ||
const sourcePartObjList = partObjNameList.map((partObjName) => { | ||
return new Minio.CopySourceOptions({ | ||
Bucket: bucketName, | ||
Object: partObjName, | ||
}) | ||
}) | ||
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const destObjConfig = new Minio.CopyDestinationOptions({ | ||
Bucket: bucketName, | ||
Object: composedObjName, | ||
}) | ||
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try { | ||
const result = await s3Client.composeObject(destObjConfig, sourcePartObjList) | ||
console.log(result) | ||
console.log('Composed to a single file: ', composedObjName) | ||
} catch (err) { | ||
console.log('Composed to a single file: ', composedObjName) | ||
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/** Begin Clean up ***/ | ||
// To verify that the parts are uploaded properly, comment the below code blocks and verify | ||
const sourcePartObjList = partObjNameList.map((partObjName) => { | ||
return s3Client.removeObject(bucketName, partObjName) | ||
}) | ||
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Promise.all(sourcePartObjList) | ||
.then(() => { | ||
console.log('Removed source parts: ') | ||
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// Uncomment to remove the composed object itself. commented for verification. | ||
/* | ||
s3Client.removeObject(bucketName, composedObjName).then(()=>{ | ||
console.log("Clean up: Removed the composed Object ") | ||
}).catch(()=>{ | ||
console.log("Error removing composed object", er) | ||
}) | ||
*/ | ||
}) | ||
.catch((er) => { | ||
console.log('Error removing parts used in composing', er) | ||
}) | ||
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/** End Clean up **/ | ||
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// Clean up generated parts locally | ||
fs.rmSync(tmpSubDir, { recursive: true, force: true }) | ||
console.log('Clean up temp parts directory : ') | ||
} | ||
} catch (e) { | ||
console.log('Error Creating local files ', e) | ||
} | ||
} | ||
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sampleRunComposeObject() |
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/* | ||
* MinIO Javascript Library for Amazon S3 Compatible Cloud Storage, (C) 2016 MinIO, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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// Note: YOUR-ACCESSKEYID, YOUR-SECRETACCESSKEY, my-target-bucketname, my-target-objectname, | ||
// my-src-bucketname and my-src-objectname are dummy values, please replace | ||
// them with original values. | ||
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import * as Minio from 'minio' | ||
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const s3Client = new Minio.Client({ | ||
endPoint: 's3.amazonaws.com', | ||
accessKey: 'YOUR-ACCESSKEYID', | ||
secretKey: 'YOUR-SECRETACCESSKEY', | ||
}) | ||
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const conds = new Minio.CopyConditions() | ||
conds.setMatchETag('bd891862ea3e22c93ed53a098218791d') | ||
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await s3Client.copyObject('my-target-bucketname', 'my-target-objectname', '/my-src-bucketname/my-src-objectname', conds) |
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