Create submodule (#1)

* build(docker): Docker file created

* build(script): Build script DONE

* fix(gitignore): removign unecessary directories

* fix(comments): Removing unecessary comments

.gitignore

@@ -1,2 +1,5 @@
 node_modules
 package-lock.json
+hapi/
+output/
+bin/

Dockerfile

@@ -0,0 +1,44 @@
+FROM openjdk:8-jdk-alpine
+RUN apk add --no-cache curl tar bash procps git npm
+
+# Downloading and installing Gradle
+# 1- Define a constant with the version of gradle you want to install
+ARG GRADLE_VERSION=5.6.2
+
+# 2- Define the URL where gradle can be downloaded from
+ARG GRADLE_BASE_URL=https://services.gradle.org/distributions
+
+# 3- Define the SHA key to validate the gradle download
+#    obtained from here https://gradle.org/release-checksums/
+ARG GRADLE_SHA=32fce6628848f799b0ad3205ae8db67d0d828c10ffe62b748a7c0d9f4a5d9ee0
+
+
+# 4- Create the directories, download gradle, validate the download, install it, remove downloaded file and set links
+RUN mkdir -p /usr/share/gradle /usr/share/gradle/ref \
+  && echo "Downlaoding gradle hash" \
+  && curl -fsSL -o /tmp/gradle.zip ${GRADLE_BASE_URL}/gradle-${GRADLE_VERSION}-bin.zip \
+  \
+  && echo "Checking download hash" \
+  && echo "${GRADLE_SHA}  /tmp/gradle.zip" | sha256sum -c - \
+  \
+  && echo "Unziping gradle" \
+  && unzip -d /usr/share/gradle /tmp/gradle.zip \
+   \
+  && echo "Cleaning and setting links" \
+  && rm -f /tmp/gradle.zip \
+  && ln -s /usr/share/gradle/gradle-${GRADLE_VERSION} /usr/bin/gradle
+
+# 5- Define environmental variables required by gradle
+ENV GRADLE_VERSION 4.0.1
+ENV GRADLE_HOME /usr/bin/gradle
+ENV GRADLE_USER_HOME /cache
+
+ENV PATH $PATH:$GRADLE_HOME/bin
+
+WORKDIR /hapi-visualizer/
+
+COPY . /hapi-visualizer/
+RUN bash build.sh --from-scratch
+EXPOSE 8080
+ENTRYPOINT [ "bash", "build.sh"]
+CMD ["run"]

README.md

@@ -1 +1,12 @@
 # hapi-visualizer
+
+with docker
+```bash
+docker build -t hapi-visualizer .
+docker run -p <local port>:8080 -d --rm hapi-visualizer
+```
+
+without docker
+```
+/bin/bash build.sh run --from-scratch
+``` 

build.sh

@@ -0,0 +1,82 @@
+#! /bin/bash
+
+dependencies=(git gradle java npm node)
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+check (){
+  for i in "${dependencies[@]}";
+  do
+    if ! command -v "$i" &> /dev/null; then
+      echo "$i could not be found"
+      exit
+    fi
+  done
+}
+
+update_jar () {
+  cd $DIR
+  cd hapi
+  git checkout -B visualizer origin/visualizer
+  git pull origin visualizer
+
+  gradle build-all-tools --no-daemon
+
+  cd $DIR
+  mv hapi/build/libs/* bin/
+}
+
+from_scratch () {
+  cd $DIR
+  rm yes | rm -r hapi
+  git clone https://github.com/lac-dcc/hapi.git
+  cd hapi
+  git checkout -b visualizer origin/visualizer
+  update_jar
+}
+
+help_msg () {
+  echo "Hapi visualizer builder."
+  echo
+  echo "Usage: bash build.sh <[COMMAND] | [FLAG]>"
+  echo "COMMAND":
+  echo "run               Starts the nodejs server"
+  echo
+  echo "FLAG:"
+  echo "--update          Pull code from the lastest version of hapi repo and rebuild"
+  echo "                  the .jar ."
+  echo "--from-scratch    First build of the hapi visualizer."
+  echo
+  exit
+}
+
+start_nodejs () {
+  cd $DIR
+  npm install
+  npm start
+}
+
+flags () {
+  case $1 in
+    --update) update_jar ;;
+    --from-scratch) from_scratch;;
+    *) help_msg ;;
+  esac
+}
+
+main () {
+  check dependencies
+
+  # frist argument is not null
+  if [ "$1" = "run" ]; then
+    if ! [ -z "$2" ]; then
+      flags $2
+    fi
+    start_nodejs
+  elif ! [ -z "$1" ]; then
+    flags $1
+  else
+    help_msg
+  fi
+}
+
+main $@