Add Vagrant support for development

.gitignore

@@ -17,5 +17,6 @@ data/
 dist/
 node_modules/
 local/
+.vagrant
 
 RUNNING_PID

Vagrantfile

@@ -0,0 +1,50 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+Vagrant.configure(2) do |config|
+  config.vm.box = "ubuntu/vivid64"
+
+  # Use this script to set up and compile the Lila installation. We set
+  # `privileged` to `false` because otherwise the provisioning script will run
+  # as root. This isn't a problem to install packages globally (`apt-get
+  # install`), but `sbt publish-local` will publish to `root`'s home directory!
+  # Then we would not be able to use those packages when logged in as
+  # `vagrant`.
+  config.vm.provision "shell", path: "bin/provision-vagrant.sh", privileged: false
+
+  # IP address to use to connect to the virtual machine. This should be an
+  # entry in your hosts file. We use a static IP so that the developer doesn't
+  # have to keep adding new entries to their hosts file.
+  config.vm.network "private_network", ip: "192.168.34.34"
+
+  # From https://stefanwrobel.com/how-to-make-vagrant-performance-not-suck. You
+  # may want to set `cpus` and `mem` yourself.
+  config.vm.provider "virtualbox" do |v|
+    host = RbConfig::CONFIG['host_os']
+
+    # Fraction of memory of host OS to allocate to VM. More is better!
+    memory_fraction = 0.5
+
+    # Give VM allocated system memory & access to all cpu cores on the host
+    if host =~ /darwin/
+      cpus = `sysctl -n hw.ncpu`.to_i
+      # sysctl returns Bytes and we need to convert to MB
+      mem = `sysctl -n hw.memsize`.to_i / 1024 / 1024
+    elsif host =~ /linux/
+      cpus = `nproc`.to_i
+      # meminfo shows KB and we need to convert to MB
+      mem = `grep 'MemTotal' /proc/meminfo | sed -e 's/MemTotal://' -e 's/ kB//'`.to_i / 1024
+    else # sorry Windows folks, I can't help you
+      cpus = 2
+      mem = 4096
+    end
+
+    mem *= memory_fraction
+    mem = mem.to_i
+
+    # Needed to use multiple CPUs.
+    v.customize ["modifyvm", :id, "--ioapic", "on"]
+
+    v.customize ["modifyvm", :id, "--cpus", cpus]
+    v.customize ["modifyvm", :id, "--memory", mem]
+  end
+end

bin/build-deps.sh

@@ -1,8 +1,9 @@
 #!/bin/sh
+set -e
 
-dir=`mktemp -d`
+dir=$(mktemp -d)
 echo "Building in $dir"
-cd $dir
+cd "$dir"
 
 rm -rf scalalib
 git clone https://github.com/ornicar/scalalib
@@ -28,4 +29,4 @@ cd maxmind-geoip2-scala
 sbt publish-local
 cd ..
 
-rm -rf $dir
+rm -rf "$dir"

bin/provision-vagrant.sh

@@ -0,0 +1,221 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# We add environment variables to these files.
+readonly PROFILES=("$HOME/.bash_profile" "$HOME/.bashrc")
+
+# Directory containing the lila source code.
+readonly LILA_DIR='/vagrant'
+
+# The HTTP port to listen on.
+readonly PORT=9663
+
+# List of packages to install with apt.
+readonly DEPENDENCIES=(
+    git
+    sbt
+    npm
+    zsh
+
+    mongodb
+    nginx
+
+    gcc
+    make
+    closure-compiler
+    openjdk-8-jdk
+)
+
+error() {
+    echo >>/dev/stderr "ERROR: $*"
+}
+
+info() {
+    echo "INFO: $*"
+}
+
+setup_application_config() {
+    cat >"$LILA_DIR/conf/application.conf" <<'CONF'
+include "base"
+
+net {
+  domain = "l.org"
+  asset.domain = "en.l.org"
+  extra_ports = []
+}
+
+ai {
+  hash_size = 128
+  threads = 1
+  instances = 4
+  debug = false
+  play {
+    movetime = 500 ms
+  }
+  analyse {
+    movetime = 2000 ms
+  }
+}
+
+geoip {
+    file = "data/GeoLite2-City.mmdb"
+}
+CONF
+}
+
+# Set compilation options so that we don't run out of memory.
+setup_environment_variables() {
+    for i in "${PROFILES[@]}"; do
+        echo >>"$i" "export JAVA_OPTS='-Xms64M -Xmx3072M -Xss4M -XX:ReservedCodeCacheSize=64m -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC'"
+    done
+
+    . -- "${PROFILES[0]}"
+}
+
+# For sbt: http://www.scala-sbt.org/release/tutorial/Installing-sbt-on-Linux.html
+update_apt() {
+    echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
+    sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 642AC823
+
+    sudo apt-get update
+}
+
+install_dependencies() {
+    sudo apt-get install -y -- "${DEPENDENCIES[@]}"
+
+    # `npm` relies on a `node` executable, but we have `nodejs`.
+    # https://github.com/joyent/node/issues/3911
+    sudo ln -sf '/usr/bin/nodejs' '/usr/bin/node'
+
+    # Installed `npm` is too old, upgrade it.
+    sudo npm update -g
+    sudo npm install -g npm
+
+    sudo npm install -g gulp
+}
+
+setup_nginx() {
+    local nginx_conf
+    nginx_conf=$(mktemp)
+
+    sed "s#LILA_DIR#$LILA_DIR#g" >"$nginx_conf" <<'CONF'
+server {
+  listen 80;
+
+  server_name l.org ~^\w\w\.l\.org$;
+
+  error_log /var/log/nginx/lila.error.log;
+  access_log /var/log/nginx/lila.access.log;
+
+  charset utf-8;
+
+  location /assets {
+    alias   LILA_DIR/public;
+  }
+
+  location / {
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_read_timeout 90s;
+    proxy_pass http://127.0.0.1:9663/;
+  }
+
+  location /ai/ {
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass http://127.0.0.1:9663/ai/;
+  }
+
+  error_page 500 501 502 503 /oops/servererror.html;
+  error_page 504  /oops/timeout.html;
+  error_page 429  /oops/toomanyrequests.html;
+  location /oops/ {
+    root  LILA_DIR/public/;
+  }
+  location = /robots.txt {
+    root  LILA_DIR/public/;
+  }
+
+}
+
+server {
+  listen 80;
+  server_name ~^socket\.\w\w\.l\.org$;
+  charset utf-8;
+  location / {
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
+    proxy_pass http://127.0.0.1:9663/;
+  }
+}
+CONF
+
+    sudo mv -- "$nginx_conf" '/etc/nginx/sites-available/default'
+    sudo nginx -s reload
+}
+
+setup_mongodb() {
+    # Default MongoDB database path. `mongod` will fail to launch if this
+    # doesn't exist.
+    sudo mkdir -p /data/db
+
+    sudo service mongodb start
+}
+
+build_lila() {
+    cd -- "$LILA_DIR"
+    git submodule update --init --recursive
+
+    ./ui/build &
+    ./bin/install-stockfish &
+    ./bin/gen/geoip &
+    ./bin/build-deps.sh &
+    wait
+
+    sbt compile
+}
+
+get_ip_address() {
+    ifconfig eth1 | grep 'inet addr' | cut -d':' -f2 | cut -d' ' -f1
+}
+
+main() {
+    setup_application_config
+    setup_environment_variables
+
+    update_apt
+    install_dependencies
+    setup_nginx
+    setup_mongodb
+    build_lila
+
+    local ip_address
+    ip_address=$(get_ip_address)
+
+    info 'Lila is all set up! Add this entry entry to your hosts file on your'
+    info 'host machine (not the virtual machine, or else I would have done it'
+    info 'for you):'
+    info
+    info "    $ip_address l.org en.l.org de.l.org le.l.org fr.l.org es.l.org l1.org socket.en.l.org socket.le.l.org socket.fr.l.org ru.l.org el.l.org hu.l.org socket.hu.l.org"
+    info
+    info 'Then run "vagrant ssh" and carry out these steps inside your SSH'
+    info 'connection:'
+    info
+    info '   1. cd /vagrant'
+    info "   2. sbt run -Dhttp.port=$PORT"
+    info "   3. Leave 'sbt run' running inside your virtual machine and visit"
+    info "      http://en.l.org on your host machine. It won't load. This is"
+    info '      expected.'
+    info '   4. Wait until sbt run has finished launching. (After it has'
+    info '      finished, relevant output will be printed. If the most recent'
+    info '      message is'
+    info
+    info '          (Server started, use Ctrl+D to stop and go back to the console...)'
+    info
+    info '      then you have not waited long enough.)'
+    info '   5. Visit http://en.l.org again. It should load now.'
+}
+
+main