hca-util

CLI tool for uploading data to the Human Cell Atlas AWS S3 buckets.

Users

Prerequisites

Users need to have

1. Basic command-line knowledge
2. Python3.x installed on their machine
3. Credentials to access data in the S3 bucket (access and secret keys)

Install

The hca-util tool is available to install from PyPi.

$ pip install hca-util

Note there is a version of this tool published as covid-util in PyPi for uploading data to the European COVID-19 data platform. This version uses its own separate data storage and access credentials.

Usage

Display help and list of commands.

$ hca-util -h
usage: hca-util [-h] [--version] [--profile PROFILE] {config,create,select,list,upload,download,delete} ...

hca-util

optional arguments:
  -h, --help            show this help message and exit
  --version, -v         show program's version number and exit
  --profile PROFILE     use PROFILE instead of default 'hca-util' profile

command:
  {config,create,select,list,upload,download,delete}
    config              configure AWS credentials
    create              create an upload area (authorised users only)
    select              select or show the active upload area
    list                list contents of the area
    upload              upload files to the area
    download            download files from the area
    delete              delete files from the area

In the above, optional arguments are between [] and choices between {}.

The basic usage is as follows:

$ hca-util cmd ARG1 ARG2 -o1 -o2

Use the tool by specifying a command (cmd - see list below) to run, any mandatory (positional) arguments (e.g. ARG1 and ARG2 - see positional args for each command), and any optional arguments (e.g. -o1 and o2 - see options for each command).

Commands

Help with specific command:

$ hca-util <cmd> -h

Some commands or options/flags are restricted to authorised users (admin) only.

config command

Configure AWS credentials

$ hca-util config ACCESS_KEY SECRET_KEY

positional arguments:
  ACCESS_KEY         AWS Access Key ID
  SECRET_KEY         AWS Secret Access Key

The tool uses the profile name hca-util in local AWS config files.

Once configured, the set up can be checked by running the command again, this time without credentials (hca-util config), to verify if the previously entered credentials are valid or not.

create command

Create an upload area (authorised users only)

$ hca-util create NAME [-p {u,ud,ux,udx}]


positional arguments:
  NAME               name for the new area

optional arguments:
  -p {u,ud,ux,udx}   allowed actions (permissions) on new area. u for
                     upload, x for delete and d for download. Default is ux

select command

Show or select the active upload area

$ hca-util select AREA

positional arguments:
  AREA                area uuid. 

If AREA is not specified, the selected area is shown.

list command

List contents of selected area

$ hca-util list [-b]

optional arguments:
  -b                 list all areas in bucket **(authorised users only)**

upload command

Upload files to the selected area

$ hca-util upload PATH [PATH ...] [-o]

positional arguments:
  PATH               valid file or directory

optional arguments:
  -o                  overwrite files with same names

download command

Download files from the selected area

$ hca-util download (-a | -f file [file ...])

optional arguments:
  -a                  download all files from selected area
  -f file [file ...]  download specified file(s) only

delete command

Delete files from the selected area

$ hca-util delete [-a | -d] [--profile PROFILE] [PATH [PATH ...]]

positional arguments:
  PATH               path to file or directory to delete

optional arguments:
  -a                 delete all files from the area
  -d                 delete upload area and contents (authorised users only)

Developers

Download dependencies

pip install -r requirements.txt

Run

python3 -m ait.commons.util

Run tests

nosetests