Created
May 9, 2012 07:14
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a simple & stupid deploy script(Rails Rake)
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require 'rubygems' | |
require 'net/ssh' | |
STDOUT.sync = true; STDOUT.flush; | |
STDERR.sync = true; STDERR.flush; | |
APP_NAME = "xxx" | |
APP_ROOT = "/var/www/#{APP_NAME}" | |
GIT_URL = "/home/www/repositories/xxx.git" | |
GIT_BRANCH = "origin/master" | |
RELEASE_PATH = "#{APP_ROOT}/current" | |
SHARED_PATH = "#{APP_ROOT}/shared" | |
def init | |
puts "\ninit deploy config..." | |
accounts = YAML::load( File.open(Rails.root.to_s + "/config/deploy.usr.yml") ) | |
$config = { | |
:www => { | |
:host => accounts["host"], | |
:user => accounts["usr"], | |
:password => accounts["pwd"], | |
:port => accounts["port"] || 22 | |
} | |
} | |
end | |
def get_host(role) | |
$config[role] | |
end | |
def run(cmd) | |
output = '' | |
host = get_host(:www) | |
Net::SSH.start(host[:host], host[:user], :port => host[:port], :password => host[:password]) do |ssh| | |
ssh.exec!(cmd) do |ch, stream, data| | |
if stream == :stderr | |
p '------------------------------' | |
p data | |
p '------------------------------' | |
else | |
output += data | |
end | |
end | |
end | |
output | |
end | |
namespace :deploy do | |
desc "!deploy setup - just run it in the first time!" | |
task :setup do | |
puts "\nSetup ..." | |
init | |
target_dirs = %w( | |
shared/log | |
shared/tmp/sockets | |
shared/tmp/pids | |
shared/tmp/sessions | |
shared/tmp/cache | |
shared/config | |
) | |
mkdir_commands = target_dirs.map{ |target_dir| "mkdir -p #{APP_ROOT}/#{target_dir}" } | |
run "#{mkdir_commands.join(" && ")} && git clone #{GIT_URL} #{RELEASE_PATH}" | |
cmd_touch_log_files = %w(production.log unicorn.stderr.log unicorn.stdout.log).map do |log| | |
"touch #{SHARED_PATH}/log/#{log}" | |
end | |
run "#{cmd_touch_log_files.join(" && ")}" | |
puts "done" | |
end | |
desc "Deploy app" | |
task :go do | |
puts "deploy app..." | |
init | |
update_code | |
precompile_assets | |
make_symlinks | |
end | |
end | |
def cleanup | |
puts "\nCleanning ..." | |
puts "done" | |
end | |
def update_code | |
puts "\nUpdate code ..." | |
run "cd #{RELEASE_PATH}; git fetch origin; git reset --hard #{GIT_BRANCH}" | |
puts "done" | |
end | |
def precompile_assets | |
puts "\nPrecompile assets ..." | |
run "cd #{RELEASE_PATH}; /usr/local/bin/rake assets:precompile" | |
puts "done" | |
end | |
def make_symlinks | |
puts "\nBuilding symlinks ..." | |
cmd_mkdir = %w(tmp/sockets tmp/pids tmp/cache tmp/sessions log public/cache).map do |dir| | |
"mkdir -p #{RELEASE_PATH}/#{dir}" | |
end | |
run "#{cmd_mkdir.join(" && ")}" | |
normal_symlinks = %w( | |
config/database.yml | |
tmp/sockets | |
tmp/pids | |
tmp/cache | |
tmp/sessions | |
log/production.log | |
log/unicorn.stderr.log | |
log/unicorn.stdout.log | |
) | |
commands = normal_symlinks.map do |path| | |
sym_lnk_path = "#{RELEASE_PATH}/#{path}" | |
"rm -rf #{sym_lnk_path} && ln -s #{SHARED_PATH}/#{path} #{sym_lnk_path}" | |
end | |
run "#{commands.join(" && ")}" | |
other_commands = [] | |
rails_cache_path = "#{RELEASE_PATH}/public/cache" | |
other_commands << "rm -rf #{rails_cache_path} && ln -s #{SHARED_PATH}/tmp/cache #{rails_cache_path}" | |
run "#{other_commands.join(" && ")}" | |
puts "done" | |
end | |
namespace :unicorn do | |
desc "Start unicorn" | |
task :start do | |
init | |
puts "\nStart unicorn ..." | |
run "cd #{RELEASE_PATH} && /usr/local/bin/unicorn -c #{RELEASE_PATH}/config/unicorn.conf.rb -E production -D" | |
puts "done." | |
end | |
desc "Restart unicorn" | |
task :restart do | |
init | |
puts "\nReStart unicorn ..." | |
run "kill -USR2 `cat #{RELEASE_PATH}/tmp/pids/unicorn.pid`" | |
puts "done." | |
end | |
desc "Stop unicorn" | |
task :stop do | |
init | |
puts "\nStop unicorn ..." | |
run "kill -QUIT `cat #{RELEASE_PATH}/tmp/pids/unicorn.pid`" | |
puts "done." | |
end | |
end |
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