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2. Components
3. Data Source Connectors
4. Storage
5. FTP

FTP

• Configuration
• Add Tables
  • Specify Files to Download
  • Save Settings
  • Header & Primary Key
  • Audit

The FTP data source connector loads a single, or multiple CSV files from FTP, FTPS and SFTP servers, and stores them in Keboola Storage.

Configuration

Create a new configuration of the FTP connector. To access the files on FTP, you need to set up access credentials.

You can use a private key for the SFTP connection type. If you fill in the private key, the connector will use it for login instead of the password. You can also change the port for each connection method. The default port for FTP and FTPS is 21, and for SFTP, it is 22.

Add Tables

To create a new table, click the Add Table button and assign a name. It will be used to create the destination table name in Storage and can be modified.

Configured tables are stored as configuration rows. Each table has a different setting, but all tables share the same credentials to the server.

Specify Files to Download

For each table, you have to specify a path. Use the path to a specific file, or use the glob syntax (for testing the glob path, you can use the Glob tester). If you want to list inside subdirectories (e.g., /dir/**/*.csv), please make sure that your FTP server supports a recursive list of directories.

• New Files Only: The connector will keep track of downloaded files and will continue with the unprocessed files on the next run. To reset the state which keeps track of the progress and enables to continue with new files, use the Reset State button or uncheck the New Files Only option and run the connector again.
• Decompress: All downloaded files will be decompressed (currently supporting ZIP and GZIP). All files in all archives will be imported into a single Storage table.

Save Settings

Now determine how to save the data in Storage.

• The initial value in Table Name is derived from the configuration table name. You can change it at any time; however, the Storage bucket where the table will be saved cannot be changed.
• Incremental Load will turn on incremental loading to Storage. The result of the incremental load depends on other settings (mainly Primary Key).
• Delimiter and Enclosure specify the CSV settings.

Header & Primary Key

There are three options for determining column names:

• Set header manually – enables the Set Header input to manually specify all columns in the table.
• Read from the file header – assumes that each file has a header in the first row. A random file will be chosen to extract the header, and the first row in all files will be removed.
• Generate automatically – names the columns sequentially as col_1, col_2, and so on.

Primary Key can be used to specify the primary key in Storage. It can be used with Incremental Load and New Files Only to create a configuration that incrementally loads all new files into a table in Storage.

Audit

The data source connector can optionally add audit columns to the table. ftp_filename adds the processed file name, and ftp_row_number adds the row number in the source file.

The connector also supports Advanced mode, all supported parameters are described in the GitHub repository.