install-reddit.sh

   1 #!/bin/bash
   2 ###############################################################################
   3 # reddit dev environment installer
   4 # --------------------------------
   5 # This script installs a reddit stack suitable for development. DO NOT run this
   6 # on a system that you use for other purposes as it might delete important
   7 # files, truncate your databases, and otherwise do mean things to you.
   8 #
   9 # By default, this script will install the reddit code in the current user's
  10 # home directory and all of its dependencies (including libraries and database
  11 # servers) at the system level. The installed reddit will expect to be visited
  12 # on the domain "reddit.local" unless specified otherwise.  Configuring name
  13 # resolution for the domain is expected to be done outside the installed
  14 # environment (e.g. in your host machine's /etc/hosts file) and is not
  15 # something this script handles.
  16 #
  17 # Several configuration options (listed in the "Configuration" section below)
  18 # are overridable with environment variables. e.g.
  19 #
  20 #    sudo REDDIT_DOMAIN=example.com ./install/reddit.sh
  21 #
  22 ###############################################################################
  23 set -e
  24
  25 if [[ $EUID -ne 0 ]]; then
  26     echo "ERROR: Must be run with root privileges."
  27     exit 1
  28 fi
  29
  30 # load configuration
  31 RUNDIR=$(dirname $0)
  32 SCRIPTDIR="$RUNDIR/install"
  33
  34 # the canonical source of all installers
  35 GITREPO="https://raw.github.com/reddit/reddit/master/install"
  36 NEEDED=(
  37     "done.sh"
  38     "install_apt.sh"
  39     "install_cassandra.sh"
  40     "install_services.sh"
  41     "install_zookeeper.sh"
  42     "reddit.sh"
  43     "setup_cassandra.sh"
  44     "setup_mcrouter.sh"
  45     "setup_postgres.sh"
  46     "setup_rabbitmq.sh"
  47     "travis.sh"
  48 )
  49
  50 MISSING=""
  51 for item in ${NEEDED[*]}; do
  52     if [ ! -x $SCRIPTDIR/$item ]; then
  53         MISSING="1"
  54         break
  55     fi
  56 done
  57
  58 if [ ! -e $SCRIPTDIR/install.cfg ]; then
  59     NEEDED+=("install.cfg")
  60     MISSING="1"
  61 fi
  62
  63
  64 function important() {
  65     echo -e "\033[31m${1}\033[0m"
  66 }
  67
  68 if [ "$MISSING" != "" ]; then
  69     important "It looks like you're installing without a local repo.  No problem!"
  70     important "We're going to grab the scripts we need and show you where you can"
  71     important "edit the config to suit your environment."
  72
  73     mkdir -p $SCRIPTDIR
  74     pushd $SCRIPTDIR > /dev/null
  75     for item in ${NEEDED[*]}; do
  76         echo "Grabbing '${item}'..."
  77         wget -q $GITREPO/$item
  78         chmod +x $item
  79     done
  80     popd > /dev/null
  81
  82     echo "Done!"
  83 fi
  84
  85 echo "#######################################################################"
  86 echo "# Base configuration:"
  87 echo "#######################################################################"
  88 source $SCRIPTDIR/install.cfg
  89 set +x
  90
  91 echo
  92 important "Before proceeding, make sure that these look reasonable.  If not,"
  93 important "you can either edit install/install.cfg or set overrides when running"
  94 important "(they will be respected)."
  95 echo
  96 important "Seriously, if this is your first time installing, stop here and read"
  97 important "the script (install/reddit.sh) and that config. It's got some helpful"
  98 important "information that can prevent common issues."
  99 echo
 100 important "Resolving to the appropriate domain name is beyond the scope of this document,"
 101 important "but the easiest thing is probably editing /etc/hosts on the host machine."
 102 echo
 103 read -er -n1 -p "proceed? [Y/n]" response
 104 if [[ $response =~ ^[Yy]$ || $response == "" ]]; then
 105     echo "Excellent. Here we go!"
 106     $SCRIPTDIR/reddit.sh
 107 fi