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Onboarding.md

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Onboarding

Note: Before completing this guide, make sure you have completed the general onboarding guide in the base mojaloop repository.

Contents

  1. Prerequisites
  2. Service Overview
  3. Installing and Building
  4. Running Locally
  5. Running Inside Docker
  6. Testing
  7. Common Errors/FAQs

1. Prerequisites

If you have followed the general onboarding guide, you should already have the following cli tools installed:

  • brew (macOS), [todo: windows package manager]
  • curl, wget
  • docker + docker-compose
  • node, npm and (optionally) nvm

2. Service Overview

The platform-configuration-bc BC consists of the following packages;

client-lib Platform Configuration BC Client Library. README

configuration-svc Configuration Service. README

domain-lib Domain library types. README

public-types-lib Public shared types. README

3. Installing and Building

Firstly, clone your fork of the platform-configuration-bc onto your local machine:

git clone https://github.com/<your_username>/platform-configuration-bc.git

Then cd into the directory and install the node modules:

cd platform-configuration-bc

Install Node version

More information on how to install NVM: https://github.com/nvm-sh/nvm

nvm install
nvm use

Install Dependencies

npm install

Build

npm run build

Create a directory and subdirectory in packages/configuration-svc/

cd packages/configuration-svc/
mkdir -p app/data

4. Running Locally (dependencies inside of docker)

In this method, we will run all of the core dependencies inside of docker containers, while running the settlement-bc server on your local machine.

Alternatively, you can run the platform-configuration-bc inside of docker-compose with the rest of the dependencies to make the setup a little easier: Running Inside Docker.

4.1. Startup supporting services

Use https://github.com/mojaloop/platform-shared-tools/tree/main/packages/deployment/docker-compose-infra

To startup Kafka, MongoDB, Elasticsearch and Kibana, follow the steps below(executed in docker-compose-infra/):

  1. Create a sub-directory called exec inside the docker-compose-infra (this) directory, and navigate to that directory.
mkdir exec 
cd exec
  1. Create the following directories as sub-directories of the docker-compose/exec directory:
  • certs
  • esdata01
  • kibanadata
  • logs
mkdir {certs,esdata01,kibanadata,logs}
  1. Copy the .env.sample to the exec dir:
cp ../.env.sample ./.env

  1. Review the contents of the .env file

  2. Ensure vm.max_map_count is set to at least 262144: Example to apply property on live system:

sysctl -w vm.max_map_count=262144 # might require sudo

Start Infrastructure Containers

Start the docker containers using docker-compose up (in the exec dir)

docker-compose -f ../docker-compose-infra.yml --env-file ./.env up -d

To view the logs of the infrastructure containers, run:

docker-compose -f ../docker-compose-infra.yml --env-file ./.env logs -f

To stop the infrastructure containers, run:

docker-compose -f ../docker-compose-infra.yml --env-file ./.env stop

After running the docker-compose-infra we can start configuration-svc:

npm run start:configuration-svc

4.3 Run the server

npm run start:platform-configuration-api-svc

5. Running Inside Docker

6. Testing

We use npm scripts as a common entrypoint for running the tests. Tests include unit, functional, and integration.

# unit tests:
npm run test:unit

# check test coverage
npm run test:coverage

# integration tests
npm run test:integration

6.1 Testing the platform-configuration-bc API with Postman

Here you can find a complete Postman collection, in a json file, ready to be imported to Postman.

Common Errors/FAQs

Unable to load dlfcn_load

error:25066067:DSO support routines:dlfcn_load:could not load the shared library

Fix: https://github.com/mojaloop/security-bc.git export OPENSSL_CONF=/dev/null