[ADD] LAUNCH script: Create initial code with "init" command.

config

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+#!/usr/bin/env bash
+
+
+PROJECT_DIR="/home/olivier/gissmo_project"

launch.sh

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+#!/usr/bin/env bash
+
+# CONFIG
+
+## Default
+PROGRAM=`basename $0`
+GIT_URL="git@github.com:eost/gissmo.git"
+GIT_BRANCH="dev"  # Default Git Branch
+GIT_DIR_NAME="gissmo"
+DOCKERFILE_NAME="Dockerfile"
+
+## User
+. config || exit 1
+
+## Composed
+GISSMO_DIR="${PROJECT_DIR}/${GIT_DIR_NAME}"
+DOCKERFILE="${GISSMO_DIR}/${DOCKERFILE_NAME}"
+
+COMMAND="$1"
+
+
+# METHODS
+error_and_continue() {
+  echo "ERROR: $1"
+}
+
+error_and_quit() {
+  error_and_continue "$1"
+  exit 0
+}
+
+info() {
+  echo "INFO: $1"
+}
+
+not_implemented() {
+  error_and_quit "Not implemented"
+}
+
+show_help() {
+  echo    "$PROGRAM [COMMAND]"
+  echo -e "  Where COMMAND is one of:"
+  echo -e "   - create  "
+  echo -e "   - init    "
+  echo -e "   - restore "
+  echo -e "   - start   "
+  echo -e "   - stop    "
+}
+
+check_command() {
+  if test $1 == "create"; then
+    return 0
+  elif test $1 == "init"; then
+    return 0
+  elif test $1 == "restore"; then
+    return 0
+  elif test $1 == "start"; then
+    return 0
+  elif test $1 == "stop"; then
+    return 0
+  fi
+  error_and_continue "Unknown command."
+  show_help
+  exit 1
+}
+
+create() {
+  init
+  not_implemented
+}
+
+init() {
+  # check directory existence
+  if ! test -d "$PROJECT_DIR"; then
+    mkdir -p "$PROJECT_DIR" || error_and_quit "Create ${PROJECT_DIR} failed."
+    info "$PROJECT_DIR created."
+    echo "${PROJECT_DIR} created."
+    virtualenv -p python3 $PROJECT_DIR || error_and_quit "Create ${PROJECT_DIR} python virtual environment failed."
+    info "Python virtual environment initialized."
+  fi
+  cd $PROJECT_DIR
+  sudo apt-get install -qq libpq-dev python3-dev python-virtualenv git-core python3-pip || error_and_quit "Dependancies installation failed."
+  info "Dependancies via apt-get checked/installed."
+  if ! test -d "$GISSMO_DIR/.git/"; then
+    git clone -q $GIT_URL $GISSMO_DIR || error_and_quit "Fetch Git repository failed."
+  else
+    GIT_WORK_TREE="${GISSMO_DIR}/" GIT_DIR="${GISSMO_DIR}/.git/" git pull -q origin master || error_and_quit "Pull command on Git repository failed."
+  fi
+  info "Git repository checked."
+  . bin/activate || error_and_quit "Failed entering python virtual environment"
+  cd $GISSMO_DIR
+  pip install -q -r requirements.txt || error_and_quit "Python dependancies installation failed."
+  info "Python dependancies checked."
+  deactivate || error_and_quit "Failed exiting python virtual environment."
+}
+
+restore() {
+  not_implemented
+}
+
+start() {
+  not_implemented
+}
+
+stop() {
+  not_implemented
+}
+
+generate_database_persistent_volume() {
+  not_implemented
+}
+
+
+
+# CHECK CONFIG
+if test -z $PROJECT_DIR; then
+  error_and_quit "No project directory given."
+fi
+
+if test -z $GIT_BRANCH; then
+  error_and_quit "No git branch given."
+fi
+
+# Don't check repository if INIT COMMAND is given
+if ! test -d $GIT_REPOSITORY && ! test "$COMMAND" == "init"; then
+  error_and_quit "Repository don't exists: ${GIT_REPOSITORY}"
+fi
+
+if test -z $DOCKERFILE_NAME; then
+  error_and_quit "No docker filename given."
+fi
+
+if ! test -f $DOCKERFILE && ! test "$COMMAND" == "init"; then
+  error_and_quit "Docker file don't exists: ${DOCKERFILE}"
+fi
+
+if ! test -z $COMMAND; then
+  check_command "$COMMAND"
+  $COMMAND
+else
+  show_help
+fi
+
+exit 1