Use the default database config file to reduce duplication

Vagrantfile

@@ -30,7 +30,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.synced_folder '.', '/vagrant', type: 'virtualbox'
 
   # Copy default configuration files for the database conenction and the Rails application
-  config.vm.provision "file", source: "./config/database.yml.virtual", destination: "/vagrant/config/database.yml"
+  config.vm.provision "file", source: "./config/database.yml.default",    destination: "/vagrant/config/database.yml"
   config.vm.provision "file", source: "./config/application.yml.default", destination: "/vagrant/config/application.yml"
 
   ## Provision software dependencies

config/database.yml.virtual

@@ -1,28 +0,0 @@
-development: &development
-  adapter: postgresql
-  host: localhost
-  encoding: unicode
-  database: fabmanager_development
-  pool: 25
-  username: ubuntu
-  password: ubuntu
-
-# Warning: The database defined as "test" will be erased and
-# re-generated from your development database when you run "rake".
-# Do not set this db to the same as development or production.
-test:
-  <<: *development
-  database: fabmanager_test
-
-production: &production
-  adapter: postgresql
-  host: ENV['DATABASE_HOST']
-  encoding: unicode
-  database: fabmanager_production
-  pool: 25
-  username: ENV['DATABASE_USER']
-  password: ENV['DATABASE_PASS']
-
-staging:
-  <<: *production
-  database: fabmanager_staging

provision/box_setup.zsh

@@ -27,7 +27,7 @@ install_postgres() {
   sudo apt-get update
   sudo apt-get install -y postgresql postgresql-contrib
 
-  # Set up ubuntu user
+  # Set up ubuntu user for Postgres
   sudo -u postgres bash -c "psql -c \"CREATE USER ubuntu WITH PASSWORD 'ubuntu';\""
   sudo -u postgres bash -c "psql -c \"ALTER USER ubuntu WITH SUPERUSER;\""
 
@@ -37,6 +37,10 @@ install_postgres() {
 
   # Start service
   sudo service postgresql start
+
+  # Replace default database user in the app database configuration
+  sed -i 's@username: postgres@username: ubuntu@g' /vagrant/config/database.yml
+  sed -i 's@password: postgres@password: ubuntu@g' /vagrant/config/database.yml
 }
 
 ###
@@ -69,6 +73,9 @@ install_elasticsearch() {
 
   sudo /bin/systemctl daemon-reload
   sudo /bin/systemctl enable elasticsearch.service
+
+  # Create pids directory for Sidekick
+  sudo mkdir -p /vagrant/tmp/pids
 }
 
 ###
@@ -158,35 +165,6 @@ install_ruby() {
   rvm cleanup all
 }
 
-###
-# Tune-up the system settings
-system_tuning()
-{
-  echo "Tunning up the system"
-
-  # Create pids directory for Sidekick
-  sudo mkdir -p /vagrant/tmp/pids
-
-  # Enable overcomit memmory for Redis
-  sudo echo -e "\n## Redis tune-up" >> /etc/sysctl.conf
-  sudo echo '# Allow background save on low memory conditions' >> /etc/sysctl.conf
-  sudo echo -e "vm.overcommit_memory = 1\n" >> /etc/sysctl.conf
-
-  # Enagle huge pages for Redis
-  sudo touch /etc/rc.local
-  sudo echo '## Redis tune-up' >> /etc/rc.local
-  sudo echo '# Reduce latency and memory usage' >> /etc/rc.local
-  sudo echo 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' >> /etc/rc.local
-  sudo echo -e "\n\n"
-  sudo echo -e "exit 0\n" >> /etc/rc.local
-  sudo chmod +x /etc/rc.local
-
-  # Increase virtual memory areas for ElasticSearch
-  sudo echo -e "\n## ElasticSearch tune-up" >> /etc/sysctl.conf
-  sudo echo '# Increase max virtual memory areas' >> /etc/sysctl.conf
-  sudo echo -e "vm.max_map_count = 262144\n" >> /etc/sysctl.conf
-}
-
 ###
 # Remove unused software
 clean_up() {
@@ -206,7 +184,6 @@ setup() {
   install_yarn
   install_rvm
   install_ruby
-  system_tuning
   clean_up
 }