From 857d12c7da7a7d18f9a9dd2d6f645fed27781b2d Mon Sep 17 00:00:00 2001
From: Olivier DOSSMANN <olivier+git@dossmann.net>
Date: Tue, 12 Jan 2016 15:42:05 +0100
Subject: [PATCH] [IMP] Complete create() function in Docker launch script

---
 config    |  3 +++
 launch.sh | 29 ++++++++++++++++++++++++++---
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/config b/config
index ba7eebb..77ed5cc 100644
--- a/config
+++ b/config
@@ -2,3 +2,6 @@
 
 
 PROJECT_DIR="/home/olivier/gissmo_project"
+POSTGRES_VERSION="9.5"
+POSTGRES_DOCKER_NAME="gissmo_db"
+DB_VOLUME_NAME="dbdata"
diff --git a/launch.sh b/launch.sh
index 730e8e3..fe83dc4 100755
--- a/launch.sh
+++ b/launch.sh
@@ -8,6 +8,8 @@ GIT_URL="git@github.com:eost/gissmo.git"
 GIT_BRANCH="dev"  # Default Git Branch
 GIT_DIR_NAME="gissmo"
 DOCKERFILE_NAME="Dockerfile"
+DB_DIR="/dbdata"
+POSTGRES_VERSION="9.5"
 
 ## User
 . config || exit 1
@@ -40,8 +42,8 @@ not_implemented() {
 show_help() {
   echo    "$PROGRAM [COMMAND]"
   echo -e "  Where COMMAND is one of:"
-  echo -e "   - create  "
-  echo -e "   - init    "
+  echo -e "   - create  Create postgreSQL database volume and postgreSQL Docker container"
+  echo -e "   - init    Create project directory as python virtual environment, fetch git repository and install Python dependancies"
   echo -e "   - restore "
   echo -e "   - start   "
   echo -e "   - stop    "
@@ -64,9 +66,30 @@ check_command() {
   exit 1
 }
 
+test_create() {
+  docker_cmd=`which docker`
+  if test -z "$docker_cmd"; then
+    error_and_quit "Docker command not found. Install docker or fill in the PATH."
+  fi
+  if test -z "$DB_DIR"; then
+    error_and_quit "No database directory given (DB_DIR in config file)."
+  fi
+  if test -z "$DB_VOLUME_NAME"; then
+    error_and_quit "No database volume name given (DB_VOLUME_NAME in config file)."
+  fi
+  if test -z "$POSTGRES_VERSION"; then
+    error_and_quit "No postgres version given (POSTGRES_VERSION in config file)."
+  fi
+  if test -z "$POSTGRES_DOCKER_NAME"; then
+    error_and_quit "You need a name for your Docker database container (POSTGRES_DOCKER_NAME in config file)."
+  fi
+}
+
 create() {
+  test_create
   init
-  not_implemented
+  $docker_cmd create -v "${DB_DIR}:/var/lib/postgresql/data" --name "${DB_VOLUME_NAME}" "postgres:${POSTGRES_VERSION}" || error_and_quit "Initial database 'docker create' failed."
+  $docker_cmd run -d --volumes-from "${DB_VOLUME_NAME}" --name "${POSTGRES_DOCKER_NAME}" "postgres:${POSTGRES_VERSION}" || error_and_quit "Launching database docker container failed."
 }
 
 init() {