Speed up mass-chown
[discourse_docker.git] / templates / web.template.yml
index ee6ef18f0f79e763f661df21b3b1df1c8c4e31fc..e71ff7e82321b3cc70c2f1829ac70898590342fb 100644 (file)
@@ -3,10 +3,13 @@ env:
   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
+  # this gives us very good cache coverage, 96 -> 99
+  # in practice it is 1-2% perf improvement
+  RUBY_GLOBAL_METHOD_CACHE_SIZE: 131072
+  # stop heap doubling in size so aggressively, this conserves memory
+  RUBY_GC_HEAP_GROWTH_MAX_SLOTS: 40000
+  RUBY_GC_HEAP_INIT_SLOTS: 400000
+  RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR: 1.5
 
   DISCOURSE_DB_SOCKET: /var/run/postgresql
   DISCOURSE_DB_HOST:
@@ -18,26 +21,39 @@ params:
   version: tests-passed
 
   home: /var/www/discourse
-  upload_size: 2m
+  upload_size: 10m
 
 run:
+  - exec: thpoff echo "thpoff is installed!"
+  - 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'
+  - exec: chown -R discourse /home/discourse
+  # TODO: move to base image (anacron can not be fired up using rc.d)
+  - exec: rm -f /etc/cron.d/anacron
   - file:
-     path: /etc/service/copy_env/run
+     path: /etc/cron.d/anacron
+     contents: |
+        SHELL=/bin/sh
+        PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+        30 7    * * *   root   /usr/sbin/anacron -s >/dev/null
+  - file:
+     path: /etc/runit/1.d/copy-env
      chmod: "+x"
      contents: |
         #!/bin/bash
         env > ~/boot_env
         conf=/var/www/discourse/config/discourse.conf
-        sudo -u discourse echo > $conf
 
-        for x in `env | /usr/bin/awk -F= '{if($1 ~ /DISCOURSE_/) print $1}'`
-          do
-             c=${x,,}
-             c=${c:10}
-             echo "$c"=${!x} >> $conf
-          done
-        # I dunno there may be a cleaner way to handle this
-        exec sleep 2147483647
+        # 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_(.*)/}' > $conf
+
+  - file:
+     path: /etc/runit/1.d/enable-brotli
+     chmod: "+x"
+     contents: |
+        #!/bin/bash
+        [ ! -z "$COMPRESS_BROTLI" ] && sed -i "s/. brotli/  brotli/" /etc/nginx/conf.d/discourse.conf || sed -i "s/. brotli/# brotli/" /etc/nginx/conf.d/discourse.conf
 
   - file:
      path: /etc/service/unicorn/run
@@ -47,9 +63,9 @@ run:
         exec 2>&1
         # redis
         # postgres
-        sv start copy_env || exit 1
         cd $home
-        exec sudo -E -u discourse LD_PRELOAD=/usr/lib/libjemalloc.so.1 bundle exec config/unicorn_launcher -E production -c config/unicorn.conf.rb
+        chown -R discourse:www-data /shared/log/rails
+        LD_PRELOAD=$RUBY_ALLOCATOR HOME=/home/discourse USER=discourse exec thpoff 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
@@ -59,6 +75,20 @@ run:
         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
@@ -71,17 +101,13 @@ run:
         - git checkout $version
         - mkdir -p tmp/pids
         - mkdir -p tmp/sockets
-        - mkdir -p /shared/log/rails
-        - mkdir -p /shared/uploads
-        - mkdir -p /shared/backups
         - touch tmp/.gitkeep
-        - rm -r log
-        - ln -s /shared/log/rails $home/log
-        - ln -s /shared/uploads $home/public/uploads
-        - ln -s /shared/backups $home/public/backups
-        - chown -R discourse:www-data /shared/log/rails
-        - chown -R discourse:www-data /shared/uploads
-        - chown -R discourse:www-data /shared/backups
+        - 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:
@@ -121,17 +147,22 @@ run:
       cmd:
         # ensure we are on latest bundler
         - gem update bundler
-        - chown -R discourse $home
-        - sudo -E -u discourse bundle install --deployment --verbose --without test --without development
-        - sudo -E -u discourse bundle exec rake db:migrate
-        - sudo -E -u discourse bundle exec rake assets:precompile
+        - find $home ! -user discourse -exec chown discourse {} \+
+
+  - exec:
+      cd: $home
+      hook: bundle_exec
+      cmd:
+        - su discourse -c 'bundle install --deployment --verbose --without test --without development --retry 3 --jobs 4'
+        - 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 -E -u discourse bundle exec script/discourse "$@")
+       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec script/discourse "$@")
 
   - file:
      path: /usr/local/bin/rails
@@ -139,11 +170,11 @@ run:
      contents: |
        #!/bin/bash
        # If they requested a console, load pry instead
-       if [ "$@" == "c" -o "$@" == "console" ]
+       if [ "$*" == "c" -o "$*" == "console" ]
        then
-        (cd /var/www/discourse && RAILS_ENV=production sudo -E -u discourse bundle exec pry -r ./config/environment)
+        (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 -E -u discourse bundle exec script/rails "$@")
+        (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec script/rails "$@")
        fi
 
   - file:
@@ -151,7 +182,21 @@ run:
      chmod: +x
      contents: |
        #!/bin/bash
-       (cd /var/www/discourse && RAILS_ENV=production sudo -E -u discourse bundle exec bin/rake "$@")
+       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec bin/rake "$@")
+
+  - file:
+     path: /usr/local/bin/rbtrace
+     chmod: +x
+     contents: |
+       #!/bin/bash
+       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec rbtrace "$@")
+
+  - file:
+     path: /usr/local/bin/stackprof
+     chmod: +x
+     contents: |
+       #!/bin/bash
+       (cd /var/www/discourse && RAILS_ENV=production sudo -H -E -u discourse bundle exec stackprof "$@")
 
   - file:
      path: /etc/update-motd.d/10-web
@@ -162,3 +207,74 @@ run:
        echo Use: rails, rake or discourse to execute commands in production
        echo
 
+  - file:
+     path: /etc/logrotate.d/rails
+     contents: |
+        /shared/log/rails/*.log
+        {
+                rotate 7
+                dateext
+                daily
+                missingok
+                delaycompress
+                compress
+                postrotate
+                sv 1 unicorn
+                endscript
+        }
+
+  - file:
+     path: /etc/logrotate.d/nginx
+     contents: |
+        /var/log/nginx/*.log {
+          daily
+          missingok
+          rotate 7
+          compress
+          delaycompress
+          create 0644 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
+
+  # change login directory to Discourse home
+  - file:
+     path: /root/.bash_profile
+     chmod: 644
+     contents: |
+        cd $home