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Tool to generate Lithops configuration file

Lithopscloud is a CLI tool that greatly simplifies user experience by generating Lithops and Ray configuration files.

Setup

The tool been mostly tested with Ubuntu 18.04/20.04, but should work with most Linux systems Requirements: ssh-keygen utility installed:

sudo apt install openssh-client

Install lithopscloud from pip repository

pip install lithopscloud

Usage

Use the configuration tool as follows

lithopscloud [--iam-api-key IAM_API_KEY] [-i INPUT_FILE] [-o OUTPUT_PATH] [--verify_config CONFIG_FILE_PATH] [--version] [--backend backend] [--defaults] 

Get a short description of the available flags via lithopscloud --help


Flags Detailed Description

Key Default Mandatory Additional info
iam-api-key yes IBM Cloud API key. To generate a new API Key, adhere to the following guide
input-file <compute_backend>/defaults.py no Existing config file to be used as a template in the configuration process
output-path A randomly generated path to a randomly named yaml file no A custom location the config file will be written to
verify-config no Verifies the integrity of an existing config file and outputs a usable config file based on it. Currently doesn't support gen2 backends.
version no Returns lithopscloud's package version

Verify Additional ways of configuration

Using the verify-config option enables verification of additional valid ways of configuration, that otherwise left unchecked. This mode scans for any possible subset of valid parameters and extract them to output a new lithops config file (e.g., verify cos configured by HMAC credentials). To utilize simply run lithopscloud --verify-config CONFIG_FILE_PATH -o OUTPUT_FILE_PATH
Please note that this feature doesn't currently support the verification of gen2 backends.

Supported backends:

Standalone Compute Backends

Serverless Compute Backends

Storage Backends

  • Gen2/Lithops
  • Gen2/Ray
  • Local Host
  • IBM Cloud Functions
  • IBM Code Engine
  • IBM Cloud Object Storage

Using lithopscloud to generate config file without user interaction

In order to let lithopscloud generate config file based on some defaults and create vpc and all its peripherial assets automatically, please run:

lithopscloud -a <API_KEY> -b <BACKEND> --defaults
  • currently, lithops gen2 is the only supported backend

Using lithopscloud config tool programmatically

Notice, not all fields are mandatory. Unspecified resources will be created automatically on the backend.

E.g. If existing vpc id not provided - vpc will be created automatically with all required peripherial resources like security groups, gateway.. etc following minimal default requierments If ssh key details not provided - new ssh key pair will be generated and registered in ibm cloud

Lithops Gen2
from lithopscloud import generate_config
from lithopscloud import LITHOPS_GEN2, LITHOPS_CF, LITHOPS_CE, RAY_GEN2, LOCAL_HOST

api_key = '<IAM_API_KEY>'
region = 'eu-de'
generate_config(LITHOPS_GEN2, api_key, region, cos_bucket_name='kpavel-bucket', image_id='r010-5a674db7-95aa-45c5-a2f1-a6aa9d7e93ad', key_id='r010-fe6cb103-60e6-46bc-9cb5-14e415990849', ssh_key_filename='/home/kpavel/.ssh/id_rsa', profile_name='bx2-2x8', vpc_id='r010-af1adda4-e4e5-4060-9aa2-7a0c981aff8e')

Mandatory fields are: backend_type (LITHOPS_GEN2), api_key, region and cos_bucket. Minimal example:

from lithopscloud import generate_config
from lithopscloud import LITHOPS_GEN2, RAY_GEN2

api_key = <IAM_API_KEY>
region = 'ca-tor'
cos_bucket_name='kpavel-bucket'
config_file = generate_config(LITHOPS_GEN2, api_key, region, cos_bucket_name=cos_bucket_name)
Ray Gen2
from lithopscloud import generate_config
from lithopscloud import RAY_GEN2

api_key = '<IAM_API_KEY>'
region = 'eu-de'
generate_config(RAY_GEN2, api_key, region, image_id='r010-5a674db7-95aa-45c5-a2f1-a6aa9d7e93ad', key_id='r010-fe6cb103-60e6-46bc-9cb5-14e415990849', ssh_key_filename='/home/kpavel/.ssh/id_rsa', profile_name='bx2-2x8', vpc_id='r010-af1adda4-e4e5-4060-9aa2-7a0c981aff8e', min_workers=1, max_workers=1)

Mandatory fields are: backend_type (LITHOPS_GEN2), api_key, region and cos_bucket. Minimal example:

from lithopscloud import generate_config
from lithopscloud import RAY_GEN2

api_key = <IAM_API_KEY>
region = 'eu-de'
config_file = generate_config(RAY_GEN2, api_key, region)

For Contributors

Add new unsupported sections to config file

If the new configuration is provider specific

  1. implement config_builder.py interface
  2. add your implementation under provider package
  3. add reference to your implementation in the list of exported modules, e.g. lithops modules

If the new configuration is common for multiple providers

  1. implement config_builder.py interface to hold common logic
  2. add your implementation to modules package
  3. extend your common implementation under each provider package, e.g. lithops image.py and ray image.py to have config file specific logic

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Automatically generates configuration files for Lithops

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