---
title: "Data Source - Google Cloud Storage"
slug: "data-source-google-cloud-storage"
updated: 2025-12-17T09:53:06Z
published: 2025-12-17T09:53:06Z
canonical: "documents.trocco.io/data-source-google-cloud-storage"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documents.trocco.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Source - Google Cloud Storage

## summary

Help Page for ETL Configuration of Data Settings from Google Cloud Storage on Google Cloud Platform.

## Setting items

### STEP1 Basic settings

| item name | indispensable | default name | Contents |
| --- | --- | --- | --- |
| Google Cloud Storage Connection Configuration | Yes | - | Select the preregistered [Google Cloud Storage Connection](/docs/connection-configuration-google-cloud-storage) Configuration that has the necessary permissions for this ETL Configuration. |
| bucket | Yes | - | Select the Data Source bucket name. |
| path prefix | Yes | - | Enter the Data Source path prefix. TROCCO transfers multiple files starting with the path prefix of the Data Source bucket. |
| decompression format | No | - | If the Data Source data is compressed, it can be decompressed and transferred. The following decompression formats are supported Select according to the compression format of the data to be transferred. If the data to be transferred is an **uncompressed file**, **do not select the** decompression format **.**`bzip2``gzip``tar.gz``zip` If you change the decompression format later, be sure to **perform Automatic Data Setting**. |
| Relative path after decompression (regular expression) | No | - | This can be entered when `zip` or `tar.gz is` selected as the decompression format. If you include a path separator, escape it using a backslash `(` ⌘). |
| Input file format | Yes | CSV/TSV | Select the input file format. For more information, see [About input file format settings](/docs/configuration-of-input-files). |
| Transfer Method | Yes | Full Data Transfer | Select either **Full Data Transfer** or **Incremental Data Transfer**. For more information on [Incremental Data Transfer](/docs/incremental-data-transfer), see [Incremental Data Transfer Function](/docs/incremental-data-transfer). |

#### STEP1 detailed settings

Click on **Set Details** to display the configuration items.

| item name | indispensable | default value | Contents |
| --- | --- | --- | --- |
| Whether to continue the transfer if the file does not exist in the specified path. | Yes | Continue transfer | Select whether or not you want the transfer to continue if the file is not found in the path specified in the Basic ETL Configuration. Depending on the selection of this item, the job status after the job is completed will also differ. - **Continue transfer** - The ETL Job continues. - Unless the ETL Job fails due to other factors, the Job status will be **Succeeded** after the ETL Job is completed. - **Abort transfer and make an error** - The ETL Job is aborted. - After the ETL Job is completed, the Job Status will be **Error**. |

## Required Authority

The following permissions are required to use this service.

- storage.buckets.get
- storage.buckets.list
- storage.objects.get
- storage.objects.list