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[Azure Blob Storage] Gunzip data that has magic header #526

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[Azure Blob Storage] Gunzip data that has magic header #526

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5 changes: 5 additions & 0 deletions azure/blobs_logs_monitoring/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
// Copyright 2021 Datadog, Inc.

var tls = require('tls');
var zlib = require('zlib');

const VERSION = '0.2.0';

Expand Down Expand Up @@ -45,6 +46,10 @@ module.exports = function(context, blobContent) {
if (typeof blobContent === 'string') {
logs = blobContent.trim().split('\n');
} else if (Buffer.isBuffer(blobContent)) {
// Gunzip data that has magic header https://en.wikipedia.org/wiki/Gzip
if(blobContent[0]==0x1f && blobContent[1]==0x8b){
blobContent = zlib.gunzipSync(blobContent);
}
logs = blobContent
.toString('utf8')
.trim()
Expand Down