c9-setup-mongodb.sh

#!/bin/sh
# Provision help for MongoDB on C9.io.
#
# Copyright 2016 Narisak Inc. 
# Written by: 
#   Noi Narisak <[email protected]>
#

# c9.io setup script for MongoDB
# ===============================
# This script configures a fresh c9.io workspace
# with local instances of MongoDB

set -e

check_os() {
    if [ ! -f /etc/os-release ]; then
        echo "Woah, /etc/os-release doesn't exist"
        echo "What are you running, Mac?"
        echo "This script is indended for c9.io, go and setup a workspace there"
        exit 255
    fi
    . /etc/os-release
    if [ $ID != "ubuntu" ]; then
        echo "Only Ubuntu is currently supported on c9.io"
        exit 254
    fi
    if [ $VERSION_ID != "14.04" ]; then
        echo "Only Ubuntu 14.04 is currently supported on c9.io"
        exit 253
    fi
}

mkdir_src() {
    if [ -d "$HOME/src" ]; then
        echo "mkdir ~/src: ok"
    else
        echo "Creating ~/src for all our external code"
        mkdir -p "$HOME/src"
    fi
}

mkdir_bin() {
    if [ -d "$HOME/bin" ]; then
        echo "mkdir ~/bin: ok"
    else
        echo "Creating ~/bin for all our scripting needs"
        mkdir -p "$HOME/bin"
        export PATH="$PATH:$HOME/bin"
        echo "NOTE: you have to open a new terminal changes to PATH"
    fi
}

mkdir_data() {
    if [ -d "$HOME/data" ]; then
        echo "mkdir ~/data: ok"
    else
        echo "Creating ~/data to store MongoDB assets"
        mkdir -p "$HOME/data"
    fi
}

_is_installed() {
    [ "$(dpkg-query -s $1 2>/dev/null | grep '^Status:')" = "Status: install ok installed" ]
}

mongodb_create_binary() {
    if [ -f $HOME/src/mongodbctl ]; then
        echo "mongodbctl src: ok"
    else
        echo "Create mongodbctl"
        echo 'mongod --bind_ip=$IP --dbpath=$HOME/data --nojournal --rest "$@"' > $HOME/src/mongodbctl
        chmod a+x $HOME/src/mongodbctl
    fi
}

mongodb_get_deps() {
    local wanted_pkgs="git git-flow mongodb-org"
    local pkgs_to_install=""
    local pkg=""
    for pkg in $wanted_pkgs; do
        if ! _is_installed $pkg; then
            echo "Installing package $pkg"
            pkgs_to_install="$pkgs_to_install $pkg"
        fi
    done
    if [ -z "$pkgs_to_install" ]; then
        echo "acbuild deps: ok"
    else
        sudo apt-get update
        sudo apt-get install --quiet --yes $pkgs_to_install
    fi
}

mongodb_install_symlink() {
    if [ -f $HOME/bin/mongodbctl ] && [ $(readlink $HOME/bin/mongodctl) = "$HOME/src/mongodbctl" ]; then
         echo "mongodbctl exec: ok"
     else
         echo "Installing mongodbctl into ~/bin"
         ln -fs $HOME/src/mongodbctl $HOME/bin/mongodbctl
     fi
}

setup_mongodb() {
    mkdir_src
    mkdir_bin
    mkdir_data
    mongodb_get_deps
    mongodb_create_binary
    mongodb_install_symlink
}

setup_mongodb