Merge pull request #223 from fantasticfears/china

[discourse_docker.git] / templates / web.template.yml

env:
  # You can have redis on a different box
  RAILS_ENV: 'production'
  UNICORN_WORKERS: 3
  UNICORN_SIDEKIQS: 1
  # slightly less aggressive than "recommendation" but works fine with oobgc
  RUBY_GC_MALLOC_LIMIT: 40000000
  # this ensures we have enough heap space to handle a big pile of small reqs
  RUBY_HEAP_MIN_SLOTS: 800000

  DISCOURSE_DB_SOCKET: /var/run/postgresql
  DISCOURSE_DB_HOST:
  DISCOURSE_DB_PORT:


params:
  # SSH key is required for remote access into the container
  version: tests-passed

  home: /var/www/discourse
  upload_size: 10m

run:
  - exec: /usr/local/bin/ruby -e 'if ENV["DISCOURSE_SMTP_ADDRESS"] == "smtp.example.com"; puts "Aborting! Mail is not configured!"; exit 1; end'
  - exec: /usr/local/bin/ruby -e 'if ENV["DISCOURSE_HOSTNAME"] == "discourse.example.com"; puts "Aborting! Domain is not configured!"; exit 1; end'
  - file:
     path: /etc/runit/1.d/copy-env
     chmod: "+x"
     contents: |
        #!/bin/bash
        env > ~/boot_env
        conf=/var/www/discourse/config/discourse.conf

        # find DISCOURSE_ env vars, strip the leader, lowercase the key
        /usr/local/bin/ruby -e 'ENV.each{|k,v| puts "#{$1.downcase} = #{v}" if k =~ /^DISCOURSE_(.*)/}' > $conf

  - file:
     path: /etc/runit/1.d/ensure-web-nginx-read
     chmod: "+x"
     contents: |
        #!/bin/bash
        mkdir -p /var/log/nginx
        chgrp -R www-data /var/log/nginx
        chgrp www-data /var/log/nginx

  - file:
     path: /etc/service/unicorn/run
     chmod: "+x"
     contents: |
        #!/bin/bash
        exec 2>&1
        # redis
        # postgres
        cd $home
        chown -R discourse:www-data /shared/log/rails
        LD_PRELOAD=/usr/lib/libjemalloc.so.1 HOME=/home/discourse USER=discourse exec chpst -u discourse:www-data -U discourse:www-data bundle exec config/unicorn_launcher -E production -c config/unicorn.conf.rb

  - file:
     path: /etc/service/nginx/run
     chmod: "+x"
     contents: |
        #!/bin/sh
        exec 2>&1
        exec /usr/sbin/nginx

  - file:
     path: /etc/runit/3.d/01-nginx
     chmod: "+x"
     contents: |
       #!/bin/bash
       sv stop nginx

  - file:
     path: /etc/runit/3.d/02-unicorn
     chmod: "+x"
     contents: |
       #!/bin/bash
       sv stop unicorn

  - exec:
      cd: $home
      hook: code
      cmd:
        - git reset --hard
        - git clean -f
        - git remote set-branches --add origin master
        - git pull
        - git fetch origin $version
        - git checkout $version
        - mkdir -p tmp/pids
        - mkdir -p tmp/sockets
        - touch tmp/.gitkeep
        - mkdir -p                    /shared/log/rails
        - bash -c "touch -a           /shared/log/rails/{production,production_errors,unicorn.stdout,unicorn.stderr}.log"
        - bash -c "ln    -s           /shared/log/rails/{production,production_errors,unicorn.stdout,unicorn.stderr}.log $home/log"
        - bash -c "mkdir -p           /shared/{uploads,backups}"
        - bash -c "ln    -s           /shared/{uploads,backups} $home/public"
        - chown -R discourse:www-data /shared/log/rails /shared/uploads /shared/backups

  - exec:
      cmd:
        - "cp $home/config/nginx.sample.conf /etc/nginx/conf.d/discourse.conf"
        - "rm /etc/nginx/sites-enabled/default"
        - "mkdir -p /var/nginx/cache"

  - replace:
      filename: /etc/nginx/nginx.conf
      from: pid /run/nginx.pid;
      to: daemon off;

  - replace:
      filename: "/etc/nginx/conf.d/discourse.conf"
      from: /upstream[^\}]+\}/m
      to: "upstream discourse {
        server 127.0.0.1:3000;
      }"

  - replace:
      filename: "/etc/nginx/conf.d/discourse.conf"
      from: /server_name.+$/
      to: server_name _ ;

  - replace:
      filename: "/etc/nginx/conf.d/discourse.conf"
      from: /client_max_body_size.+$/
      to: client_max_body_size $upload_size ;

  - exec:
      cmd: echo "done configuring web"
      hook: web_config

  - exec:
      cd: $home
      hook: web
      cmd:
        # ensure we are on latest bundler
        - gem update bundler
        - chown -R discourse $home

  - exec:
      cd: $home
      hook: bundle_exec
      cmd:
        - su discourse -c 'bundle install --deployment --verbose --without test --without development'
        - su discourse -c 'bundle exec rake db:migrate'
        - su discourse -c 'bundle exec rake assets:precompile'

  - file:
     path: /usr/local/bin/discourse
     chmod: +x
     contents: |
       #!/bin/bash
       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec script/discourse "$@")

  - file:
     path: /usr/local/bin/rails
     chmod: +x
     contents: |
       #!/bin/bash
       # If they requested a console, load pry instead
       if [ "$*" == "c" -o "$*" == "console" ]
       then
        (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec pry -r ./config/environment)
       else
        (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec script/rails "$@")
       fi

  - file:
     path: /usr/local/bin/rake
     chmod: +x
     contents: |
       #!/bin/bash
       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec bin/rake "$@")

  - file:
     path: /etc/update-motd.d/10-web
     chmod: +x
     contents: |
       #!/bin/bash
       echo
       echo Use: rails, rake or discourse to execute commands in production
       echo

  - file:
     path: /etc/logrotate.d/rails
     contents: |
        /shared/log/rails/*.log
        {
                rotate 14
                dateext
                daily
                missingok
                notifempty
                delaycompress
                compress
                postrotate
                sv 1 unicorn
                endscript
        }

  - file:
     path: /etc/logrotate.d/nginx
     contents: |
        /var/log/nginx/*.log {
          daily
          missingok
          rotate 14
          compress
          delaycompress
          notifempty
          create 0640 www-data www-data
          sharedscripts
          postrotate
            sv 1 nginx
          endscript
        }

  # move state out of the container this fancy is done to support rapid rebuilds of containers,
  # we store anacron and logrotate state outside the container to ensure its maintained across builds
  # later move this snipped into an intialization script
  # we also ensure all the symlinks we need to /shared are in place in the correct structure
  # this allows us to bootstrap on one machine and then run on another
  - file:
      path: /etc/runit/1.d/00-ensure-links
      chmod: +x
      contents: |
        #!/bin/bash
        if [[ ! -L /var/lib/logrotate ]]; then
          rm -fr /var/lib/logrotate
          mkdir -p /shared/state/logrotate
          ln -s /shared/state/logrotate /var/lib/logrotate
        fi
        if [[ ! -L /var/spool/anacron ]]; then
          rm -fr /var/spool/anacron
          mkdir -p /shared/state/anacron-spool
          ln -s /shared/state/anacron-spool /var/spool/anacron
        fi
        if [[ ! -d /shared/log/rails ]]; then
          mkdir -p /shared/log/rails
          chown -R discourse:www-data /shared/log/rails
        fi
        if [[ ! -d /shared/uploads ]]; then
          mkdir -p /shared/uploads
          chown -R discourse:www-data /shared/uploads
        fi
        if [[ ! -d /shared/backups ]]; then
          mkdir -p /shared/backups
          chown -R discourse:www-data /shared/backups
        fi