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Deductions GP2GP messenger

This is an implementation of a component to handle the sending of the GP2GP message set used to transfer a patient's Electronic Health Record between GP Practices. It uses the GP2GP message format to transfer orphaned and stranded records out of a secure NHS repository.

This component will communicate with the Message Handler Service (MHS) GitHub nhsconnect/integration-adaptors and other components being developed by the Orphaned and Stranded Record programme.

The initial version will send health records that are encoded in the HL7 format. A subsequent enhancement will be access to the components of the Health Record so that other services can use this component to send and receive Health Records with the need to implement the encoding and fragmentation strategies of the GP2GP v2.2a message specification.

Prerequisites

AWS helpers

This repository imports shared AWS helpers from prm-deductions-support-infra. They can be found utils directory after running any task from tasks file.

Set up

To replicate the CI environment, we use dojo that allows us to work with the codebase without installing any dependencies locally. Please see the ./tasks file that includes all the tasks you can use to configure and run the app and the tests.

If you would like to run the app locally outside dojo, you need to:

  1. Run npm install to install all node dependencies as per package.json.
  2. Set up the env variables and/or copy them into your IDE configurations (Run -> Edit Configurations ->Environment Variables in IntelliJ):
export E2E_TEST_AUTHORIZATION_KEYS_FOR_GP2GP_MESSENGER=auth-key-2
export REPOSITORY_URI=$IMAGE_REPO_NAME   
export NHS_SERVICE=gp2gp-messenger
export SERVICE_URL=http://${NHS_SERVICE}:3000
export NHS_ENVIRONMENT=local
export GP2GP_MESSENGER_REPOSITORY_ASID=deduction-asid
export GP2GP_MESSENGER_REPOSITORY_ODS_CODE=deduction-ods
  • Locally, the variables GP2GP_MESSENGER_REPOSITORY_ASID, GP2GP_MESSENGER_REPOSITORY_ODS_CODE can be set to any value
  1. The app will use a fake MHS when NHS_ENVIRONMENT is set to local or dev.

Running the tests

Run the unit tests with

by entering the dojo container and running ./tasks _test_unit or on your machine with npm run test:unit

Run the integration tests within a Dojo container

  1. Run dojo -c Dojofile-itest which will spin up the testing container
  2. Run ./tasks _test_integration

You can also run them with npm run test:integration but that will require some additional manual set-up

Run the coverage tests (unit test and integration test)

By entering the dojo container and running ./tasks _test_coverage

or run npm run test:coverage on your machine

You don't have to enter the dojo container every time, you can also just run any task in your terminal: For example:

./tasks test_coverage

./tasks test_unit

./tasks dep - to run audit

Start the app locally

  1. Run a development server with npm run start:local

Swagger

The swagger documentation for the app can be found at http://localhost:3000/swagger. To update it, change the src/swagger.json file. You can use the editor https://editor.swagger.io/ which will validate your changes.

Example request

curl -X POST "http://localhost:3000/ehr-request" -H "accept: application/json" -H "Authorization: auth-key-1" -H "Content-Type: application/json" -d "{ \"nhsNumber\": \"some-nhs-number\", \"odsCode\": \"some-ods-code\"}"

Start the app in production mode

Compile the code with npm run build, and then start the server with npm start.

Config

Ensure you have VPN connection set up to both dev and test environments: CLICK HERE

Access to AWS from CLI

Access to AWS

In order to get sufficient access to work with terraform or AWS CLI, please follow the instructions on this confluence pages and this how to?

As a note, this set-up is based on the README of assume-role tool

Assume role with elevated permissions

Install assume-role locally:

brew install remind101/formulae/assume-role

Run the following command with the profile configured in your ~/.aws/config:

assume-role admin

Run assume-role with dojo:

Run the following command with the profile configured in your ~/.aws/config:

eval $(dojo "echo <mfa-code> | assume-role dev" or assume-role dev [here choose one of the options from your config: ci/dev/test]

Run the following command to confirm the role was assumed correctly:

aws sts get-caller-identity