Capistrano recipe

This commit is contained in:
Manuel Maldonado
2015-08-12 01:36:42 +02:00
parent d86eb9f550
commit 4b501ee46b
26 changed files with 453 additions and 23 deletions

3
.gitignore vendored
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@@ -22,3 +22,6 @@
/config/deploy-secrets.yml
/coverage
# Mac finder artifacts
.DS_Store

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@@ -6,9 +6,11 @@ require 'capistrano/deploy'
require 'capistrano/rvm'
require 'capistrano/bundler'
require 'capistrano/rails/assets'
#require 'capistrano/rails/assets'
require 'capistrano/rails/migrations'
require 'capistrano/passenger'
#require 'capistrano/passenger'
# Load custom tasks from `lib/capistrano/tasks` if you have any defined
Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }
Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }
Dir.glob('lib/capistrano/**/*.rb').each { |r| import r }

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@@ -30,6 +30,7 @@ gem 'simple_captcha2', require: 'simple_captcha'
gem 'ckeditor'
gem 'cancancan'
gem 'social-share-button'
gem 'unicorn'
group :development, :test do
# Call 'byebug' anywhere in the code to stop execution and get a debugger console
@@ -49,7 +50,6 @@ group :development, :test do
gem "capistrano-bundler", '1.1.4', require: false
gem "capistrano-rails", '1.1.3', require: false
gem "capistrano-rvm", require: false
gem "capistrano-passenger", require: false
end
group :test do

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@@ -61,8 +61,6 @@ GEM
capistrano-bundler (1.1.4)
capistrano (~> 3.1)
sshkit (~> 1.2)
capistrano-passenger (0.1.1)
capistrano (~> 3.0)
capistrano-rails (1.1.3)
capistrano (~> 3.1)
capistrano-bundler (~> 1.1)
@@ -147,6 +145,7 @@ GEM
railties (>= 4.2.0)
thor (>= 0.14, < 2.0)
json (1.8.3)
kgio (2.9.3)
launchy (2.4.3)
addressable (~> 2.3)
letter_opener (1.4.1)
@@ -204,6 +203,7 @@ GEM
activesupport (= 4.2.3)
rake (>= 0.8.7)
thor (>= 0.18.1, < 2.0)
raindrops (0.15.0)
rake (10.4.2)
responders (2.1.0)
railties (>= 4.2.0, < 5)
@@ -274,6 +274,10 @@ GEM
unf (0.1.4)
unf_ext
unf_ext (0.0.7.1)
unicorn (4.9.0)
kgio (~> 2.6)
rack
raindrops (~> 0.7)
warden (1.2.3)
rack (>= 1.0)
web-console (2.2.1)
@@ -298,7 +302,6 @@ DEPENDENCIES
cancancan
capistrano (= 3.4.0)
capistrano-bundler (= 1.1.4)
capistrano-passenger
capistrano-rails (= 1.1.3)
capistrano-rvm
capybara
@@ -326,6 +329,7 @@ DEPENDENCIES
spring
turbolinks
uglifier (>= 1.3.0)
unicorn
web-console (~> 2.0)
BUNDLED WITH

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@@ -3,6 +3,8 @@ staging:
ssh_port: 21
server: staging.participacion.madrid.es
user: xxxxx
server_name: staging.participacion.madrid.es
db_server: postgre.participacion.madrid.es
preproduction:
deploy_to: "/var/www/participacion"

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@@ -8,14 +8,20 @@ end
set :rails_env, fetch(:stage)
set :rvm_ruby_version, '2.2.2'
set :rvm_type, :user
set :application, 'participacion'
set :repo_url, 'git@github.com:AyuntamientoMadrid/participacion.git'
set :server_name, deploysecret(:server_name)
#set :repo_url, 'git@github.com:AyuntamientoMadrid/participacion.git'
# If ssh access is restricted, probably you need to use https access
set :repo_url, 'https://github.com/AyuntamientoMadrid/participacion.git'
set :scm, :git
set :revision, `git rev-parse --short #{fetch(:branch)}`.strip
set :log_level, :info
set :pty, true
set :use_sudo, false
set :linked_files, %w{config/database.yml config/secrets.yml}
set :linked_dirs, %w{log tmp public/system public/assets}
@@ -24,15 +30,27 @@ set :keep_releases, 5
set :local_user, ENV['USER']
# Run test before deploy
set :tests, ["spec"]
# Config files should be copied by deploy:setup_config
set(:config_files, %w(
log_rotation
database.yml
secrets.yml
unicorn.rb
sidekiq.yml
))
namespace :deploy do
after :restart, :clear_cache do
on roles(:web), in: :groups, limit: 3, wait: 10 do
# Here we can do anything such as:
# within release_path do
# execute :rake, 'cache:clear'
# end
end
end
# Check right version of deploy branch
before :deploy, "deploy:check_revision"
# Run test aund continue only if passed
before :deploy, "deploy:run_tests"
# Compile assets locally and then rsync
after 'deploy:symlink:shared', 'deploy:compile_assets_locally'
after :finishing, 'deploy:cleanup'
# Restart unicorn
after 'deploy:publishing', 'deploy:restart'
end

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@@ -1,5 +1,9 @@
set :deploy_to, deploysecret(:deploy_to)
set :branch, :production
set :server_name, deploysecret(:server_name)
set :db_server, deploysecret(:db_server)
set :branch, :master
set :ssh_options, port: deploysecret(:ssh_port)
set :stage, :production
set :rails_env, :production
server deploysecret(:server), user: deploysecret(:user), roles: %w(web app db importer)

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@@ -1,5 +1,9 @@
set :deploy_to, deploysecret(:deploy_to)
set :branch, :production
set :server_name, deploysecret(:server_name)
set :db_server, deploysecret(:db_server)
set :branch, :master
set :ssh_options, port: deploysecret(:ssh_port)
set :stage, :production
set :rails_env, :production
server deploysecret(:server), user: deploysecret(:user), roles: %w(web app db importer)

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@@ -0,0 +1,19 @@
<VirtualHost *:80>
ServerName yourdomain.com
ServerAlias www.yourdomain.com
ServerAdmin webmaster@localhost
DocumentRoot /path/to/deploy_to/current/public
# RailsEnv production
ErrorLog ${APACHE_LOG_DIR}/yourdomain.error.log
CustomLog ${APACHE_LOG_DIR}/yourdomain.access.log combined
<Directory "/path/to/deploy_to/current/public">
Options FollowSymLinks
Require all granted
</Directory>
</VirtualHost>

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@@ -0,0 +1,31 @@
<VirtualHost *:80>
ServerAdmin admin@yourdomain.com
ServerName yourdomain.com
ServerAlias www.yourdomain.com
DocumentRoot /path/to/deploy_to/current/public
RewriteEngine On
<Proxy balancer://unicornservers>
BalancerMember http://127.0.0.1:5000
</Proxy>
# Redirect all non-static requests to thin
RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
RewriteRule ^/(.*)$ balancer://unicornservers%{REQUEST_URI} [P,QSA,L]
ProxyPass / balancer://unicornservers/
ProxyPassReverse / balancer://unicornservers/
ProxyPreserveHost on
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
ErrorLog ${APACHE_LOG_DIR}/yourdomain.error.log
CustomLog ${APACHE_LOG_DIR}/yourdomain.access.log combined
</VirtualHost>

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@@ -0,0 +1,96 @@
#!/bin/sh
### BEGIN INIT INFO
# Provides: unicorn
# Required-Start: $local_fs $remote_fs $network $syslog
# Required-Stop: $local_fs $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: starts the unicorn web server
# Description: starts unicorn
### END INIT INFO
set -e
TIMEOUT=${TIMEOUT-60}
APP_ROOT=<%= current_path %>
PID_DIR=$APP_ROOT/tmp/pids
PID=$PID_DIR/unicorn.pid
CMD="cd $APP_ROOT; bundle exec unicorn -D -c /path/to/shared/config/unicorn.rb -E production"
AS_USER=deploy
set -u
OLD_PIN="$PID.oldbin"
sig () {
test -s "$PID" && kill -$1 `cat $PID`
}
oldsig () {
test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`
}
workersig () {
workerpid="$APP_ROOT/tmp/pids/unicorn.$2.pid"
test -s "$workerpid" && kill -$1 `cat $workerpid`
}
run () {
if [ "$(id -un)" = "$AS_USER" ]; then
eval $1
else
su -c "$1" - $AS_USER
fi
}
case "$1" in
start)
sig 0 && echo >&2 "Already running" && exit 0
run "$CMD"
;;
stop)
sig QUIT && exit 0
echo >&2 "Not running"
;;
force-stop)
sig TERM && exit 0
echo >&2 "Not running"
;;
kill_worker)
workersig QUIT $2 && exit 0
echo >&2 "Worker not running"
;;
restart|reload)
sig USR2 && echo reloaded OK && exit 0
echo >&2 "Couldn't reload, starting '$CMD' instead"
run "$CMD"
;;
upgrade)
if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
then
n=$TIMEOUT
while test -s $OLD_PIN && test $n -ge 0
do
printf '.' && sleep 1 && n=$(( $n - 1 ))
done
echo
if test $n -lt 0 && test -s $OLD_PIN
then
echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds"
exit 1
fi
exit 0
fi
echo >&2 "Couldn't upgrade, starting '$CMD' instead"
run "$CMD"
;;
reopen-logs)
sig USR1
;;
*)
echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
exit 1
;;
esac

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@@ -0,0 +1,10 @@
<%= fetch(:rails_env) %>:
adapter: postgresql
timeout: 5000
encoding: unicode
reconnect: false
database: <%= "#{fetch(:application)}" %>
pool: 5
username:
password:
host: <%= fetch(:db_server) %>

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@@ -0,0 +1,11 @@
<%= fetch(:deploy_to) %>/shared/log/*.log {
daily
missingok
rotate 52
compress
delaycompress
notifempty
sharedscripts
endscript
copytruncate
}

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@@ -0,0 +1,4 @@
<%= fetch(:rails_env) %>:
recaptcha_public_key: <%= ENV["MADRID_RECAPTCHA_PUBLIC_KEY"] %>
recaptcha_private_key: <%= ENV["MADRID_RECAPTCHA_PRIVATE_KEY"] %>
secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>

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@@ -0,0 +1,2 @@
<%= fetch(:rails_env) %>:
:concurrency: <%= fetch(:sidekiq_concurrency, 5) %>

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@@ -0,0 +1,42 @@
root = "<%= current_path %>"
working_directory root
pid "#{root}/tmp/pids/unicorn.pid"
stderr_path "#{root}/log/unicorn.log"
stdout_path "#{root}/log/unicorn.log"
listen 5000
#listen "/tmp/unicorn.<%= fetch(:application) %>.sock"
worker_processes 4
timeout 40
preload_app true
# Force unicorn to look at the Gemfile in the current_path
# otherwise once we've first started a master process, it
# will always point to the first one it started.
before_exec do |server|
ENV['BUNDLE_GEMFILE'] = "<%= current_path %>/Gemfile"
end
before_fork do |server, worker|
defined?(ActiveRecord::Base) and
ActiveRecord::Base.connection.disconnect!
# Quit the old unicorn process
old_pid = "#{server.config[:pid]}.oldbin"
if File.exists?(old_pid) && server.pid != old_pid
puts "We've got an old pid and server pid is not the old pid"
begin
Process.kill("QUIT", File.read(old_pid).to_i)
puts "killing master process (good thing tm)"
rescue Errno::ENOENT, Errno::ESRCH
puts "unicorn master already killed"
end
end
end
after_fork do |server, worker|
port = 5000 + worker.nr
child_pid = server.config[:pid].sub('.pid', ".#{port}.pid")
system("echo #{Process.pid} > #{child_pid}")
defined?(ActiveRecord::Base) and
ActiveRecord::Base.establish_connection
end

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@@ -1,7 +1,11 @@
set :deploy_to, deploysecret(:deploy_to)
set :server_name, deploysecret(:server_name)
set :db_server, deploysecret(:db_server)
set :branch, :master
set :ssh_options, port: deploysecret(:ssh_port)
set :passenger_restart_with_sudo, false
set :stage, :staging
set :rails_env, :staging
server deploysecret(:server), user: deploysecret(:user), roles: %w(web app db importer)

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@@ -0,0 +1,12 @@
# we often want to refer to variables which
# are defined in subsequent stage files. This
# let's us use the {{var}} to represent fetch(:var)
# in strings which are only evaluated at runtime.
def sub_strings(input_string)
output_string = input_string
input_string.scan(/{{(\w*)}}/).each do |var|
output_string.gsub!("{{#{var[0]}}}", fetch(var[0].to_sym))
end
output_string
end

30
lib/capistrano/tasks/apache.cap Executable file
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@@ -0,0 +1,30 @@
namespace :apache do
%w(start stop restart reload).each do |task_name|
desc "#{task } Apache"
task task_name do
on roles(:app), in: :sequence, wait: 5 do
sudo "/etc/init.d/apache2 #{task_name}"
end
end
end
desc "Enable site virual host"
task "enable_virtual_host" do
on roles(:app) do
"cd /etc/apache2/sites-available/"
sudo "a2ensite #{fetch(:server_name)}"
end
end
desc "Remove default Apache Virtual Host"
task "remove_default_vhost" do
on roles(:app) do
if test("[ -f /etc/apache2/sites-enabled/000-default.conf ]")
sudo "rm /etc/apache2/sites-enabled/000-default.conf"
puts "removed default Apache Virtualhost"
else
puts "No default Apache Virtualhost to remove"
end
end
end
end

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@@ -0,0 +1,14 @@
namespace :deploy do
desc "checks whether the currently checkout out revision matches the
remote one we're trying to deploy from"
task :check_revision do
branch = fetch(:branch)
unless `git rev-parse HEAD` == `git rev-parse origin/#{branch}`
puts "WARNING: HEAD is not the same as origin/#{branch}"
puts "Run `git push` to sync changes or make sure you've"
puts "checked out the branch: #{branch} as you can only deploy"
puts "if you've got the target branch checked out"
exit
end
end
end

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@@ -0,0 +1,17 @@
namespace :deploy do
desc "compiles assets locally then rsyncs"
task :compile_assets_locally do
run_locally do
execute "RAILS_ENV=#{fetch(:rails_env)} bundle exec rake assets:precompile"
end
on roles(:app) do |role|
run_locally do
execute"rsync -av ./public/assets/ #{role.user}@#{role.hostname}:#{release_path}/public/assets/;"
end
"chmod -R 755 #{release_path}/public/assets/"
end
run_locally do
execute "rm -rf ./public/assets"
end
end
end

14
lib/capistrano/tasks/logs.cap Executable file
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@@ -0,0 +1,14 @@
namespace :logs do
task :tail, :file do |t, args|
if args[:file]
on roles(:app) do
execute "tail -f #{shared_path}/log/#{args[:file]}.log"
end
else
puts "please specify a logfile e.g: 'rake logs:tail[logfile]"
puts "will tail 'shared_path/log/logfile.log'"
puts "remember if you use zsh you'll need to format it as:"
puts "rake 'logs:tail[logfile]' (single quotes)"
end
end
end

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@@ -0,0 +1,10 @@
namespace :deploy do
desc 'Commands for unicorn application'
%w(start stop force-stop restart upgrade reopen-logs).each do |command|
task command.to_sym do
on roles(:app), in: :sequence, wait: 5 do
sudo "/etc/init.d/unicorn_#{fetch(:full_app_name)} #{command}"
end
end
end
end

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@@ -0,0 +1,18 @@
namespace :deploy do
desc "Runs test before deploying, can't deploy unless they pass"
task :run_tests do
test_log = "log/capistrano.test.log"
tests = fetch(:tests)
tests.each do |test|
puts "--> Running tests: '#{test}', please wait ..."
unless system "bundle exec rspec #{test} > #{test_log} 2>&1"
puts "--> Tests: '#{test}' failed. Results in: #{test_log} and below:"
system "cat #{test_log}"
exit;
end
puts "--> '#{test}' passed"
end
puts "--> All tests passed"
system "rm #{test_log}"
end
end

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@@ -0,0 +1,27 @@
namespace :deploy do
task :setup_config do
on roles(:app) do
# make the config dir
execute :mkdir, "-p #{shared_path}/config"
full_app_name = fetch(:full_app_name)
# config files to be uploaded to shared/config, see the
# definition of smart_template for details of operation.
# Essentially looks for #{filename}.erb in deploy/#{full_app_name}/
# and if it isn't there, falls back to deploy/#{shared}. Generally
# everything should be in deploy/shared with params which differ
# set in the stage files
config_files = fetch(:config_files)
config_files.each do |file|
smart_template file
end
# symlink stuff which should be... symlinked
symlinks = fetch(:symlinks)
symlinks.each do |symlink|
sudo "ln -nfs #{shared_path}/config/#{symlink[:source]} #{sub_strings(symlink[:link])}"
end
end
end
end

32
lib/capistrano/template.rb Executable file
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@@ -0,0 +1,32 @@
# will first try and copy the file:
# config/deploy/#{full_app_name}/#{from}.erb
# to:
# shared/config/to
# if the original source path doesn exist then it will
# search in:
# config/deploy/shared/#{from}.erb
# this allows files which are common to all enviros to
# come from a single source while allowing specific
# ones to be over-ridden
# if the target file name is the same as the source then
# the second parameter can be left out
def smart_template(from, to=nil)
to ||= from
full_to_path = "#{shared_path}/config/#{to}"
if from_erb_path = template_file(from)
from_erb = StringIO.new(ERB.new(File.read(from_erb_path)).result(binding))
upload! from_erb, full_to_path
info "copying: #{from_erb} to: #{full_to_path}"
else
error "error #{from} not found"
end
end
def template_file(name)
if File.exist?((file = "config/deploy/#{fetch(:full_app_name)}/#{name}.erb"))
return file
elsif File.exist?((file = "config/deploy/shared/#{name}.erb"))
return file
end
return nil
end