#!/bin/bash

# export http_proxy=http://192.168.1.1:3128
# export ftp_proxy=http://192.168.1.1:3128

# add git user
adduser --disabled-login --gecos 'GitLab' git

# install gitlab-shell
sudo -u git -H mkdir -p /home/git/gitlab-shell
wget "https://github.com/gitlabhq/gitlab-shell/archive/v1.8.0.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab-shell/
chown -R git:git /home/git/gitlab-shell/

cd /home/git/gitlab-shell
sudo -u git -H cp -a config.yml.example config.yml
sudo -u git -H ./bin/install

# install gitlab
sudo -u git -H mkdir -p /home/git/gitlab
wget "https://github.com/gitlabhq/gitlabhq/archive/v6.3.1.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab/
chown -R git:git /home/git/gitlab/

cd /home/git/gitlab

# copy default configurations
sudo -u git -H cp config/gitlab.yml.example config/gitlab.yml
sudo -u git -H cp config/resque.yml.example config/resque.yml
sudo -u git -H cp config/unicorn.rb.example config/unicorn.rb
sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers/rack_attack.rb

# create required tmp and log directories
sudo -u git -H mkdir -p tmp/pids/ tmp/sockets/
chmod -R u+rwX log tmp

# create uploads directory
sudo -u git -H mkdir -p public/uploads
chmod -R u+rwX  public/uploads

# create satellites directory
sudo -u git -H mkdir -p /home/git/gitlab-satellites

# create production log
sudo -u git -H touch log/production.log

# install gems required by gitlab
if [ -d "/gitlab/setup/cache" ]; then
  # offline gem installation
  mv /gitlab/setup/cache vendor/
  chown -R git:git vendor/cache
  sudo -u git -H bundle install --local --deployment --without development test postgres aws
else
  # online gem installation
  sudo -u git -H bundle install --deployment --without development test postgres aws
fi

# add database.yml template
sudo -u git -H cat > config/database.yml <<EOF
production:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: {{DB_NAME}}
  host: {{DB_HOST}}
  username: {{DB_USER}}
  password: {{DB_PASS}}
  pool: {{DB_POOL}}
EOF
chmod o-rwx config/database.yml

sudo -u git -H cat > config/sidekiq.yml <<EOF
:concurrency: {{SIDEKIQ_CONCURRENCY}}
EOF
chmod o-rwx config/sidekiq.yml

# make sure everything in /home/git is owned by the git user
chown -R git:git /home/git/

# install gitlab bootscript
sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab

# install logrotate configuration
sudo cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab

# copy nginx configuration
sudo cp lib/support/nginx/gitlab /etc/nginx/sites-available/gitlab
sudo ln -s /etc/nginx/sites-available/gitlab /etc/nginx/sites-enabled/gitlab

# create the /var/run/sshd directory (required for sshd to start)
mkdir -p /var/run/sshd

# setup log rotation for supervisord
cat > /etc/logrotate.d/supervisord <<EOF
/var/log/supervisor/*.log {
    weekly
    missingok
    rotate 52
    compress
    delaycompress
    notifempty
    copytruncate
}
EOF

# configure supervisord to start nginx
sed 's/YOUR_SERVER_FQDN/localhost/' -i /etc/nginx/sites-available/gitlab
echo "daemon off;" >> /etc/nginx/nginx.conf
cat > /etc/supervisor/conf.d/nginx.conf <<EOF
[program:nginx]
priority=20
directory=/tmp
command=/usr/sbin/nginx
user=root
autostart=true
autorestart=true
stdout_logfile=/var/log/supervisor/%(program_name)s.log
stderr_logfile=/var/log/supervisor/%(program_name)s.log
EOF

# configure supervisord to start openssh server
cat > /etc/supervisor/conf.d/openssh-server.conf <<EOF
[program:openssh-server]
priority=20
directory=/tmp
command=/usr/sbin/sshd -D
user=root
autostart=true
autorestart=true
stdout_logfile=/var/log/supervisor/%(program_name)s.log
stderr_logfile=/var/log/supervisor/%(program_name)s.log
EOF

# configure supervisord to start cron
cat > /etc/supervisor/conf.d/cron.conf <<EOF
[program:cron]
priority=20
directory=/tmp
command=/usr/sbin/cron -f
user=root
autostart=true
autorestart=true
stdout_logfile=/var/log/supervisor/%(program_name)s.log
stderr_logfile=/var/log/supervisor/%(program_name)s.log
EOF