hmcts / sscs-case-loader

Loader service for HMCTS Cases
MIT License
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SSCS Case Loader Application

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Purpose

The purpose of this App is to take cases coming from the legacy Gaps2 and create/update them in the CCD app.

What's inside

It contains:

The application exposes health endpoint (http://localhost:8082/health) and metrics endpoint (http://localhost:8082/metrics).

Plugins

The project contains the following plugins:

Building and deploying the application

Building the application

The project uses Gradle as a build tool. It already contains ./gradlew wrapper script, so there's no need to install gradle.

To build the project execute the following command:

  ./gradlew build

Running the application

Run the application by executing:

  ./gradlew bootRun

Running the application in Docker

Dockerisation is a work in progress.

Setting up a Dockerised SFTP server for developing purpose

This setup is required if files need to be processed via sftp server

Place file to be transferred under docker/sftp/data/incoming and make sure docker/sftp/data/incoming/processed folder should contain atleast one file then:

To connect into sftp container from sscs-case-loader container use:
```bash
sftp -P 22 -o StrictHostKeyChecking=no -i /home/webapp/sscs-sftp-key sftp@sscs-sftp:incoming

To connect into sftp container from host (your computer): Before first use

chmod 600 ./docker/sftp-docker

and put some files in here

./docker/sftp/data/incoming/

finally

sftp -P 2222 -o StrictHostKeyChecking=no -i ./docker/sftp-docker sftp@localhost:incoming
Connected to sscs-sftp.
Changing to: /incoming
sftp> dir
SSCS_Extract_Reference_2017-06-30-09-01-31.xml

Testing event/case updates manually locally

Running e2e locally

  1. Make sure you bring up local SFTP and run sscs-docker dependencies
  2. Run
 SPRING_PROFILES_ACTIVE=local ./gradlew functionalPreDeploy
 SPRING_PROFILES_ACTIVE=local ./gradlew bootRun
 SPRING_PROFILES_ACTIVE=local ./gradlew functionalPostDeploy

Hystrix

Hystrix is a library that helps you control the interactions between your application and other services by adding latency tolerance and fault tolerance logic. It does this by isolating points of access between the services, stopping cascading failures across them, and providing fallback options. We recommend you to use Hystrix in your application if it calls any services.

Hystrix circuit breaker

This template API has Hystrix Circuit Breaker already enabled. It monitors and manages all the@HystrixCommand or HystrixObservableCommand annotated methods inside @Component or @Service annotated classes.

Hystrix dashboard

When this API is running, you can monitor Hystrix metrics in real time using Hystrix Dashboard. In order to do this, visit http://localhost:4550/hystrix and provide http://localhost:4550/hystrix.stream as the Hystrix event stream URL. Keep in mind that you'll only see data once some of your Hystrix commands have been executed. Otherwise 'Loading...' message will be displayed on the monitoring page.

Other

Hystrix offers much more than Circuit Breaker pattern implementation or command monitoring. Here are some other functionalities it provides:

Data migration

Troubleshooting

IDE Settings

Project Lombok Plugin

When building the project in your IDE (eclipse or IntelliJ), Lombok plugin will be required to compile.

For IntelliJ IDEA, please add the Lombok IntelliJ plugin:

Plugin setup for other IDE's are available on [https://projectlombok.org/setup/overview]

License

This project is licensed under the MIT License - see the LICENSE file for details