This example demonstrates two different methods of uploading files from external file systems using the HTTP Client Snap. The first pipeline reads a file from an S3 bucket and uploads it to Slack channel using the Slack API. The second pipeline uploads a file from the WASB (Windows Azure Storage Blob) location and sends it to the same Slack channel using the Slack API.

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Upload a file from S3 bucket

1. Configure the JSON Generator Snap with the Slack channel ID and initial comment for S3 file upload.

   [     {         "channels": "C02UJ4872QY",         "initial_comment": "Demonstration of the multipart upload of a S3 file using HTTP Client Snap's binary input view"     } ]

2. Connect the S3 Download Snap to download the specified file from the specified S3 bucket.
   
   

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3. Configure the HTTP Client Snap to send a multipart POST request to the Slack channel using the Slack API. Select Binary for the Input view.
   
   

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   The Snap uploads the S3 file and sends the uploaded file message to the specified Slack channel.
   
   

Upload a file from Azure storage

1. Configure the JSON Generator Snap with the Slack channel ID and initial comment for WASB file upload.

   [     {         "channels": "C02UJ4872QY",         "initial_comment": "Demonstration of the multipart upload of a 'wasb' file using HTTP Client Snap's binary input view"     } ]

2. Connect the File Reader Snap to read the file from the specified WASB location. Use the Azure storage Account to connect to Azure storage.
   
   

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3. Configure the HTTP Client Snap to send a multipart POST request to Slack using the Slack API. Select Binary for the Input view.
   
   

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   The Snap writes the S3 file and sends the uploaded file message to the specified Slack channel.
   
   

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