Sandbox Content and Options
|Download sandbox as ZIP|
|Upload ZIP to sandbox|
|Download file in ZIP|
|Download file HTTP API|
A sandbox should contain jobflows, graphs, metadata, external connection and all related files. Files, especially graph or jobflow files, are identified by a relative path from sandbox root. Thus you need two values to identify a specific job file: sandbox and path in sandbox. The path to the Jobflow or graph is often referred to as Job file.
Although the web GUI section sandboxes is not a file-manager, it offers some useful features for sandbox management:
Figure 22.3. GUI - Sandboxes context menu
Download sandbox as ZIP
Select a sandbox in the left panel, then the web GUI displays thebutton in the tool bar on the right side.
Created ZIP contains all readable sandbox files in the same hierarchy as on the file system. You can use this ZIP file to upload files to the same sandbox, or another sandbox on a different Server instance.
Upload ZIP to sandbox
Select a sandbox in the left panel. You must have the write permission for the selected sandbox. Then select the Upload ZIP tab in the right panel. Upload of a ZIP is parametrized by couple of switches, which are described below. Click the button, to open a common file browser dialog. When you choose a ZIP file, it is immediately uploaded to the Server and a result message is displayed. Each row of the result message contains a description of one single file upload. Depending on selected options, the file may be skipped, updated, created or deleted.
Table 22.3. ZIP upload parameters
|Encoding of packed file names||File names which contain special characters (non ASCII) are encoded. In the drop-down list, you choose the right encoding, so filenames are decoded properly.|
|Overwrite existing files||If this checkbox is checked, the existing file is overwritten by a new one, if both of them are stored in the same path in the sandbox and both of them have the same name.|
|Delete folders and files missing in uploaded zip file||If this option is enabled, all files which are missing in uploaded ZIP file, but they exist in destination sandbox, will be deleted. This option might cause a loss of data, so the user must have the May delete files missing in uploaded ZIP permission to enable it.|
Download file in ZIP
Select a file in the left pane, then the web GUI displays thebutton in the tool bar on the right side.
Created ZIP contains just the selected file. This feature is useful for large files (i.e. input or output file) which cannot be displayed directly in the web GUI, so the user can download it.
Download file HTTP API
It is possible to download/view the sandbox file accessing "download servlet" by simple HTTP GET request:
The Server requires BASIC HTTP Authentication. Thus with Linux command line HTTP client "wget" it would look like this:
wget --user=clover --password=clover http://localhost:8080/clover/downloadFile?sandbox=default\&file=data-out/data.dat
Please note, that ampersand character is escaped by back-slash. Otherwise it would be interpreted as command-line system operator, which forks processes.
sandbox - Sandbox code. Mandatory parameter.
file - Path to the file relative from sandbox root. Mandatory parameter.
zip - If set to
true, the file is returned as ZIP and the response content type is
application/x-zip-compressed. By default it is
false, so the response is the content of the file.
You can delete a sandbox by selecting the sandbox and clicking the Delete sandbox option.button on the top of the right pane, or by right-clicking the sandbox in the tree pane on the left and selecting the
After that, a confirmation dialog opens where you can choose to delete sandbox files on disk, as well.