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This microservice is based upon clm-core and extends the basic functionalities with additional features

CLM-EXT-SERVICE_PROVIDER

This service is utilized for managing service providers. In the CLM framework, service providers act as an abstraction layer. They are responsible for registering launchable tools with CLM and making these tools accessible to learners through enrollments. A single service provider can encompass a variety of launchable tools. The configuration of the service provider is transmitted to these tools, unless a tool has its own specific configuration defined.

Requirements

Folder Structure

root

├── api-docs # Open API 3.0.0 definition as .yaml file documenting all routes and data models this service offers.

├── docs # Developer documentation of all functions, classes, interfaces, types this service exposes as an npm package.

├── dist # The built TypeScript project transpiled to JavaScript.

└── src # Business-relevant logic for this web server.

Architecture

Entit Relationship Model

The Entity Relationship Model of the Open Core is shown above.

The clm-ext-service_provider module includes the management of the following resources:

ServiceProvider

  • Serves as a container for tools to make general configurations available via them
  • Can be associated to groups

This service functions as a web microservice that can be orchestrated through a gateway and as an npm package to provide functionalities to other CLM extensions. A microservice can build upon the classes/types/interfaces of this service to extend basic functionalities.

Setup for testing the webserver

  1. The service's configuration can be customized by referring to the .env file. Within this file, the MARIA_CONFIG variable should be updated with the appropriate values to reflect the user's specific database settings. Refer to the MARIA_CONFIG variable in the table below to see which comma seperated value refers to which respective database setting.
  2. npm install
  3. Copy .env.default to .env and overwrite needed properties

Following table gives an overview of the settings you can change through the environment variables

Name Example Required (Yes/No) Description
PORT 3005 Yes The port on which the service should be deployed.
DEPLOY_URL HOST_PROTOCOL://HOST_ADDRESS:GATEWAY_PORT/api Yes The address where all microservices are to be orchestrated. A /api must be appended.
MARIA_CONFIG MARIA_HOST_ADDRESS|MARIA_PORT|MARIA_DATABASE|MARIA_USER|MARIA_USER_PASSWORD Yes A comma-separated string that must contain the configured parameters that were previously defined during the installation of MariaDB.
TOKEN_SECRET secret Yes to sign and verify JWTs for authentication. Have to be the same across all modules of the Open-Core
DISABLE_ERR_RESPONSE true No Flag to control whether error responses should be returned. Defaults to example value if not set.

3.1 npm run dev for development with nodemon 3.2 npm start for deployment

  1. Subsequently, the JSON representation of the Open-API specification should be accessible at:

http://localhost:${PORT}/services/swagger

To access the API endpoints detailed in the Open-API specification, an API token is required. This token is generated during the initialization of the clm-core module. For further details, please consult the documentation at clm-core.

For Consumption as an NPM Package

  • Documentation about all exposed modules can be found under /docs.

  • Include the package in your project's package.json dependencies:

    "dependencies": {
        "clm-ext-service_providers": "git+https://$token:$token@$url_of_package#$branch_name"
    }
  • To use database-dependent DAOs/DTOs, inject MARIA_CONFIG into the environment before importing the module:

    a) Manually in the code:

    process.env.MARIA_CONFIG = "localhost|3306|clm|root|12345";
    import * as core from 'clm-ext-service_providers';

    b) Through .env file:

    MARIA_CONFIG=localhost|3306|clm|root|12345
    import * as core from 'clm-ext-service_providers';

Swagger Documentation

  • Accessible routes for this microservice are available at http://localhost:PORT/services/swagger after starting the service.
  • Ensure to set up a reverse proxy to route traffic to the respective microservices as shown in the table.

Changelog

The changelog can be found in the CHANGELOG.md file.

Get in touch with a developer

Please see the file AUTHORS.md to get in touch with the authors of this project. We will be happy to answer your questions at {[email protected]}

License

The project is made available under the license in the file license.txt

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