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Hoots

"Hoots" is a small social media network. The name "Hoots" is based on the sound an owl makes.

This project was created as a team task for the courses "SWE3" and "Vernetzte Systeme" of "Hochschule Bremerhaven" in early 2022.

Quick Guide

Dependencies

This project should be run in the intended location: a docker container in the HS Bremerhaven infrastructure.

If for whatever reason you want to modify this project and run it yourself as is, make sure that your docker container (or server) has the following software installed:

  • any common linux OS with bash
  • JDK 11+
  • Tomcat 9+
  • MariaDB 10.2.1+ (CHECK Constraints need to be enforced)
  • gnuplot
  • Redis
  • if you want to run load tests: Grafana k6

Development Process

Each team member developed in his/her own docker container hosted in the HS Bremerhaven infrastructure. This prevented issues between different development tasks.

The development process was defined as follows:

  • create an empty project directory in your docker container
  • clone the repository on your local machine
  • make a copy of .env.sample and rename it to .env. Enter your individual information and the remote project dir
  • only once you need to set up the remote database by running bin/setupDbInDocker
  • run bin/deploy (this will sync your local files with the remote project dir and redeploy the tomcat container)

Documentation

Scripts (local)

These scripts are for the local development.

Location: bin/

deploy

  • load environment settings from .env
  • rsync files to the specified target
  • run the buildAndUpdate Task

deployAndRestartTomcat

  • like bin/deploy
  • also restart Tomcat

deployFrontend

  • only deploy frontend changes to an already running server

setupDbInDocker

  • first time setup of the remote database
  • this script can be re-run to reset the database and rebuild it from scratch. This will delete all data.

uploadFiles

  • only upload changed files to the remote project directory

Scripts (Docker)

These scripts are used for the deployment process on the remote server.

Location: bin/remote/

buildAndUpdate

  • copies app/* to build
  • compile java files in src to build/WEB-INF/classes
  • deploys via curl over the "manager-app" to the tomcat (credentials in .netrc)

clean

  • delete build
  • delete war

undeploy

  • undeploy application

list

  • list active webapps

Project structure

src contains all java files

app contains all required files for Tomcat (WEB-INF, web.xml, etc.), frontend files (js, css, html) and all required java libraries.

complibs contains all libraries that are only required at compilation time.

docs documentation and monitoring data.

tests various load tests written for K6.