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Terragraph CTF

Terragraph is a gigabit wireless technology designed to meet the growing demand for reliable high-speed internet access. Documentation for the project can be found at terragraph.com.

This repository contains a comprehensive automated test suite for Terragraph, consisting of test implementations and a test runner application for the Connectivity Testing Framework (CTF) developed by Meta. Test plan documentation can be found here.

Building

Dependencies

  • Python 3.8
  • requests - Used in test implementations
  • later - Used for unit tests
  • pandas - Used in SIT routing tests to analyze data by columns

Installation

# Init venv
$ python3 -m venv venv
$ source ./venv/bin/activate

# Install dependencies
$ pip install --upgrade pip
$ cd ./ctf/ctf_client/ ; pip install -r requirements.txt ; cd -
$ cd ./ctf/common/     ; pip install -r requirements.txt ; cd -
$ pip install requests later pandas

# Run CTF
$ export EXTERNAL_DEPLOYMENT=True
$ python3 tg_ctf_runner.py --help

# Run unit tests
$ python3 -m unittest terragraph/ctf/unittests_lib.py

Usage

Commands

  • run <TestName> - Run a CTF test (or test suite)
  • describe <TestName> - Show test description and parameters
  • list-tests - List all tests (and test suites)
  • list-setups - List all setups registered in CTF
  • force-free <id> - Forcefully free a test setup

Credentials

CTF credentials must be provided in any of the following ways:

  1. ~/.ctf_config file:
{
  "user": "[email protected]",
  "pwd": "<your CTF password>",
  "api_server_url": "https://openctf.io/",
  "file_server_url": "https://openctf.io/"
}
  1. Environment variables:
CTF_USER
CTF_PASSWORD
CTF_API_SERVER_URL
CTF_FILE_SERVER_URL

Serverless Mode

The CTF client includes a "serverless" feature which allows running tests locally without a CTF server instance. The test results are stored on the local machine. To enable this mode, pass --serverless=true to the "run" command, for example:

python3 tg_ctf_runner.py run TestTgCtfTest --test-setup-id 1 --serverless=true

This requires additional configuration files as listed below:

  1. Create ~/.ctf_serverless_config with the following contents:
{
  "test_setups_dir": "/path/to/test_setups_dir",
  "test_results_dir": "/path/to/test_results_dir",
  "ctf_client_app_data": "/path/to/ctf_client_app_data"
}
  1. Create the test setup files, which will hold all the devices and their connection details. The files must be named <setup_id>.json within the "test_results_dir" directory, for example 1.json with the contents below:
{
  "id": 1,
  "name": "CTF-Setup-1",
  "description": "2 node Puma setup",
  "report_data": "{}",
  "device_mapping_details": [
    {
      "device_type_id": 107,
      "node_number": 1
    },
    {
      "device_type_id": 107,
      "node_number": 2
    }
  ],
  "devices": [
    {
      "name": "puma-1",
      "serial_number": "aa:11:00:00:00:01",
      "firmware_version": "",
      "device_type": 107,
      "device_sub_type": null,
      "description": "",
      "latitude": 0,
      "longitude": 0,
      "height": 0,
      "connections": [
        {
          "id": 1,
          "is_active": true,
          "connection_type": 100,
          "device": 1,
          "jump_host": null,
          "jump_host_name": "",
          "ip_address": "2001::1",
          "port": 22,
          "username": "root",
          "password": "facebook",
          "timeout": 60,
          "prompt": "#",
          "custom_channel_processing": false,
          "key": null,
          "key_name": null,
          "shell_family": {
            "id": 1,
            "name": "BOURNE"
          },
          "shell_family_name": "BOURNE"
        }
      ],
      "device_type_data": {
        "device_type": 107,
        "device_sub_type": null,
        "device_ptr": 1,
        "is_gps_connected": true,
        "device_type_name": "Terragraph",
        "device_class_name": "TerragraphInterface"
      },
      "terragraph_slots": [
        {
          "wireless_mac_addr": "aa:00:00:00:00:01",
          "slot": "1",
          "slot_identifier": 0,
          "display_name": "slot_1"
        }
      ],
      "node_number": 1
    },
    {
      "name": "puma-2",
      "serial_number": "aa:11:00:00:00:02",
      "firmware_version": "",
      "device_type": 107,
      "device_sub_type": null,
      "description": "",
      "latitude": 0,
      "longitude": 0,
      "height": 0,
      "connections": [
        {
          "id": 2,
          "is_active": true,
          "connection_type": 100,
          "device": 2,
          "jump_host": null,
          "jump_host_name": "",
          "ip_address": "2001::2",
          "port": 22,
          "username": "root",
          "password": "facebook",
          "timeout": 60,
          "prompt": "#",
          "custom_channel_processing": false,
          "key": null,
          "key_name": null,
          "shell_family": {
            "id": 1,
            "name": "BOURNE"
          },
          "shell_family_name": "BOURNE"
        }
      ],
      "device_type_data": {
        "device_type": 107,
        "device_sub_type": null,
        "device_ptr": 2,
        "is_gps_connected": true,
        "device_type_name": "Terragraph",
        "device_class_name": "TerragraphInterface"
      },
      "terragraph_slots": [
        {
          "wireless_mac_addr": "bb:00:00:00:00:01",
          "slot": "1",
          "slot_identifier": 0,
          "display_name": "slot_1"
        }
      ],
      "node_number": 2
    }
  ]
}

File Structure

tests/                 # Test implementations (Python)

sample_data/           # Sample test configuration files (JSON)
  nodes_data/          # - Setup-specific test data
  tests/               # - Test-specific test data

                       # Application modules
tg_ctf_runner.py       # - Test runner main class
tg_ctf_tests.py        # - Test class and test suite declarations/imports

                       # Test base classes
lib.py                 # - CTF framework/API library
tg.py                  # - Terragraph-specific methods
puma.py                # - Puma hardware-specific methods
x86_tg.py              # - x86 Terragraph host methods
x86_traffic_gen.py     # - x86 traffic generator methods
sit.py                 # - System Integration Testing (SIT) test methods

                       # Other Python modules
consts.py              # - Application/test constants
exceptions.py          # - CTF exception classes

                       # Unit tests
unittests_lib.py       # - Unit test library
unittests_fixtures.py  # - Unit test fixtures

docs/                  # Test plan documentation
docusaurus/            # Website

Community

Please review our Code of Conduct and Contributing Guidelines.

General discussions are held on our Discord server.

License

Terragraph CTF has an MIT-style license as can be seen in the LICENSE file.

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