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https://github.com/lithops-cloud/lithopscloud

Automatically generates configuration files for Lithops
https://github.com/lithops-cloud/lithopscloud

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Automatically generates configuration files for Lithops

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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](https://www.ibm.com/docs/en/spectrumvirtualizecl/8.1.3?topic=installing-creating-api-key)
| input-file |/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 -b --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 = ''
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 =
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 = ''
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 =
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__](src/lithopscloud/modules/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](src/lithopscloud/modules/lithops/__init__.py__)

#### If the new configuration is common for multiple providers

1. implement [__config_builder.py__](src/lithopscloud/modules/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](src/lithopscloud/modules/lithops/image.py) and [ray image.py](src/lithopscloud/modules/ray/image.py) to have config file specific logic