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Gerrit Riessen
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Jan 7, 2011
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,4 @@ | ||
| load 'deploy' if respond_to?(:namespace) # cap2 differentiator | ||
| Dir['vendor/plugins/*/recipes/*.rb'].each { |plugin| load(plugin) } | ||
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| load 'config/deploy' # remove this line to skip loading any of the default tasks |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| set :stages, %w(staging production prodbackup beta) | ||
| set :default_stage, "staging" | ||
| require 'capistrano/ext/multistage' | ||
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| require File.dirname(__FILE__) + '/../lib/deploy_helpers' | ||
| class << self | ||
| include DeployHelpers::Bindings | ||
| include DeployHelpers::Utils | ||
| end | ||
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| set :application, "website" | ||
| set :deploy_to, "/var/app/#{application}" | ||
| set :user, "deploy" | ||
| set :local_rails_root, File.expand_path(File.join(File.dirname(__FILE__), "..")) | ||
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| set :scm, :git | ||
| set :repository, "gitosis@dev.2monki.es:#{ENV['GITREPO'] || application}.git" | ||
| set :branch, ENV["GITBRANCH"] || "master" | ||
| set :git_shallow_clone, 3 | ||
| set :git_enable_submodules, 1 ## note, this does not work for deep modules only toplevel | ||
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| set :rvm_ruby_version, "ruby-1.9.2-head" | ||
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| namespace :deploy do | ||
| { ### After hooks | ||
| "migrate" => "restart", | ||
| "symlink" => "setup_paths", | ||
| "setup_paths" => [ "run_remote_scripts", "generate_remote_files"], | ||
| }.each do |after_task, before_tasks| | ||
| [before_tasks].flatten.each do |before_task| | ||
| after "deploy:#{after_task}", "deploy:#{before_task}" | ||
| end | ||
| end | ||
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| { ### Before hooks | ||
| "symlink" => "setup_diff", | ||
| "set_passenger_version" => "setup_nginx_passenger_module", | ||
| "restart" => ["show_diffs", "update_superglue", | ||
| "set_passenger_version", "bundle_install"], | ||
| }.each do |before_task, after_tasks| | ||
| [after_tasks].flatten.each do |after_task| | ||
| before "deploy:#{before_task}", "deploy:#{after_task}" | ||
| end | ||
| end | ||
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| desc "update the superglue and make sure it's still holding things together" | ||
| task :update_superglue do | ||
| run "cd ~/superglue && git pull" | ||
| end | ||
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| desc "install gems with bundle" | ||
| task :bundle_install do | ||
| run_with_rvm(rvm_ruby_version, current_path) { "bundle install" } | ||
| end | ||
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| desc "Need to use rvm to call rake, i.e. migrate won't work otherwise." | ||
| task :migrate, :roles => :db do | ||
| run_with_rvm(rvm_ruby_version, current_path) do | ||
| "RAILS_ENV=production rake db:migrate" | ||
| end | ||
| end | ||
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| desc "create various paths and replace symlinks" | ||
| task :setup_paths do | ||
| [ | ||
| # system folder is only used for maintenance, therefore whip it's ass | ||
| [ "public/system", "#{shared_path}/system/maintenance"], | ||
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| # various yaml configurations | ||
| ["config/apis.yml", | ||
| "#{shared_path}/system/config/apis.yml-#{application}"], | ||
| ["config/database.yml", | ||
| "#{shared_path}/system/config/database.yml-#{application}"], | ||
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| # redirect the log symlink for log | ||
| ["log", "#{shared_path}/#{application}/log"], | ||
| ].each do |dest, src| | ||
| dest = "#{current_path}/#{dest}" | ||
| run "rm -fr #{dest} && ln -snf #{src} #{dest}" | ||
| end | ||
| end | ||
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| desc "Generate files on the remote server" | ||
| task :generate_remote_files do | ||
| { | ||
| "nginx.conf" => "#{current_path}/config", | ||
| "monitrc" => "#{current_path}/config", | ||
| }.each do |configfile, remote_path| | ||
| remote_path = "#{remote_path}/#{configfile}" | ||
| local_path = "config/remote_files/#{configfile}.erb" | ||
| local_file = File.join(local_rails_root, local_path) | ||
| erb = ERB.new(File.open(local_file).read) | ||
| perm_val = ("%o" % File.stat(local_file).mode)[3..-1] | ||
| binding_method = "generate_binding_for_#{configfile.gsub(/[.]/,'_')}" | ||
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| roles[:app].each do |server_def| | ||
| put(erb.result( self.send(binding_method, | ||
| generate_default_opts(server_def,current_path))), | ||
| remote_path, :only => { :host_ip => server_def.options[:host_ip] }) | ||
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| run("chmod #{perm_val} #{remote_path}", | ||
| :only => {:host_ip => server_def.options[:host_ip]}) | ||
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| @diff[server_def.host]. | ||
| merge!({ configfile => | ||
| capture("diff -C 1 #{current_path}/#{local_path} " + | ||
| "#{remote_path} || echo", | ||
| :only => {:host_ip => server_def.options[:host_ip]})}) | ||
| end | ||
| end | ||
| end | ||
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| desc "Do stuff on the server to which we have just deployed" | ||
| task :run_remote_scripts do | ||
| [ | ||
| ## TODO add some! | ||
| ].each do |basename| | ||
| binding_method = "generate_binding_for_#{basename.gsub(/[.]/,'_')}" | ||
| local_path = File.join(local_rails_root, "config", "remote_scripts", | ||
| "#{basename}.erb") | ||
| remote_path = "#{current_path}/tmp/#{basename}" | ||
| erb = ERB.new(File.open(local_path).read) | ||
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| roles[:app].each do |server_def| | ||
| put(erb.result(self.send(binding_method, | ||
| generate_default_opts(server_def,current_path))), | ||
| remote_path, :only => { :host_ip => server_def.options[:host_ip] }) | ||
| run("ruby #{remote_path}", :only => {:host_ip => server_def.options[:host_ip]}) | ||
| end | ||
| end | ||
| end | ||
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| # Restart passenger on deploy | ||
| desc "Restarting passenger with restart.txt" | ||
| task :restart, :roles => :app, :except => { :no_release => true } do | ||
| run "touch #{current_path}/tmp/restart.txt" | ||
| end | ||
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| # show all the diffs we did. this makes the deploy a little more understandable if | ||
| # we have the differs at the end and all the "deploy stuff". | ||
| task :show_diffs do | ||
| puts " All went well, just about to restart but first the differs" | ||
| puts " --8<--8<--8<--8<--8<--8<--8<--8<--8<--8<--8<--8<--8<--8<--8<" | ||
| (@diff||{}).each do |server, diffs| | ||
| puts " ## Server: #{server}" | ||
| diffs.each do |filename, diffstr| | ||
| puts " @@@@@@@@@@@@@@@@@@@ File: #{filename} @ #{server}" | ||
| puts diffstr | ||
| end | ||
| end | ||
| puts " -->8-->8-->8-->8-->8-->8-->8-->8-->8-->8-->8-->8-->8-->8-->8" | ||
| end | ||
| task(:setup_diff) { @diff = Hash.new { |h,k| h[k] = Hash.new } } | ||
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| [:start, :stop].each do |t| | ||
| desc "#{t} task is a no-op with mod_rails" | ||
| task t, :roles => :app do ; end | ||
| end | ||
| end |
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