Added/merged god, nginx, thin, and maintenance tasks. (github cluster…

…fuck)

[git-p4: depot-paths = "//src/vlad/dev/": change = 4670]

History.txt

@@ -6,6 +6,7 @@
   * Added merb support. (Jamie Macey)
   * remote_task now supports arguments and supplies task like rake
     0.8. (Daniel P. Kionka)
+  * Added/merged god, nginx, thin, and maintenance tasks. (github clusterfuck)
 
 * N minor enhancements:
 

lib/vlad/god.rb

@@ -0,0 +1,23 @@
+require 'vlad'
+
+namespace :vlad do
+  ## God module for merb app server
+
+  desc "Prepares application servers for deployment.".cleanup
+
+  remote_task :setup_app, :roles => :app do
+
+  end
+
+  desc "Restart the app servers"
+
+  remote_task :start_app, :roles => :app do
+    run "god restart #{cluster_name}"
+  end
+
+  desc "Stop the app servers"
+
+  remote_task :stop_app, :roles => :app do
+    run "god stop #{cluster_name}"
+  end
+end

lib/vlad/nginx.rb

@@ -0,0 +1,48 @@
+require 'vlad'
+
+namespace :vlad do
+  ##
+  # Nginx web server on Gentoo/Debian init.d systems FIX
+
+  set :web_command, "/etc/init.d/nginx"
+
+  remote_task :setup_app, :roles => :web do
+    config_file = "/etc/nginx/vhosts/#{application}_#{environment}.conf"
+    raise "not yet... must review this code"
+    run [ "sudo test -e #{config_file} || ",
+          "sudo sh -c \"ruby ",
+          "  /etc/sliceconfig/install/interactive/nginx_config.rb ",
+          "'#{app_domain}' '#{application}' '#{environment}' ",
+          "'#{app_port}' '#{app_servers}' #{only_www ? 1 : 0} ",
+          "> #{config_file}\""
+        ].join(" ")
+  end
+
+  desc "(Re)Start the web servers"
+
+  remote_task :start_web, :roles => :web  do
+    run "#{web_command} restart"
+    # TODO: run %Q(sudo #{web_command} configtest && sudo #{web_command} reload)
+  end
+
+  desc "Stop the web servers"
+
+  remote_task :stop_web, :roles => :web  do
+    run "#{web_command} stop"
+  end
+
+  ##
+  # Everything HTTP.
+
+  desc "(Re)Start the web and app servers"
+
+  remote_task :start do
+    Rake::Task['vlad:start_app'].invoke
+    Rake::Task['vlad:start_web'].invoke
+  end
+
+  remote_task :stop do
+    Rake::Task['vlad:stop_app'].invoke
+    Rake::Task['vlad:stop_web'].invoke
+  end
+end

lib/vlad/thin.rb

@@ -0,0 +1,63 @@
+# $GEM_HOME/gems/vlad-1.2.0/lib/vlad/thin.rb
+# Thin tasks for Vlad the Deployer
+# By cnantais
+require 'vlad'
+
+namespace :vlad do
+  ##
+  # Thin app server
+
+  set :thin_address,       "127.0.0.1"
+  set :thin_command,       'thin'
+  set(:thin_conf)          { "#{shared_path}/thin_cluster.conf" }
+  set :thin_environment,   "production"
+  set :thin_group,         nil
+  set :thin_log_file,      nil
+  set :thin_pid_file,      nil
+  set :thin_port,          nil
+  set :thin_socket,        "/tmp/thin.sock"
+  set :thin_prefix,        nil
+  set :thin_servers,       2
+  set :thin_user,          nil
+  set :thin_rackup,        nil
+
+  desc "Prepares application servers for deployment. thin
+configuration is set via the thin_* variables.".cleanup
+
+  remote_task :setup_app, :roles => :app do
+    cmd = [
+           "#{thin_command} config",
+           "-s #{thin_servers}",
+           "-S #{thin_socket}",
+           "-e #{thin_environment}",
+           "-c #{current_path}",
+           "-C #{thin_conf}",
+           ("-a #{thin_address}" if thin_address)
+           ("-R #{thin_rackup}" if thin_rackup )
+           ("-P #{thin_pid_file}" if thin_pid_file),
+           ("-l #{thin_log_file}" if thin_log_file),
+           ("--user #{thin_user}" if thin_user),
+           ("--group #{thin_group}" if thin_group),
+           ("--prefix #{thin_prefix}" if thin_prefix),
+           ("-p #{thin_port}" if thin_port),
+          ].compact.join ' '
+
+    run cmd
+  end
+
+  def thin(cmd) # :nodoc:
+    "#{thin_command} #{cmd} -C #{thin_conf}"
+  end
+
+  desc "Restart the app servers"
+
+  remote_task :start_app, :roles => :app do
+    run thin("restart -s #{thin_servers}")
+  end
+
+  desc "Stop the app servers"
+
+  remote_task :stop_app, :roles => :app do
+    run thin("stop -s #{thin_servers}")
+  end
+end

lib/vlad/web.rb

@@ -0,0 +1,12 @@
+require 'vlad'
+
+namespace :vlad do
+  namespace :web do
+    remote_task :enable, :roles => [:web] do
+      run "if [ -f #{shared_path}/system/maintenance.html ]; then rm -f #{shared_path}/system/maintenance.html; fi"
+    end
+    remote_task :disable, :roles => [:web] do
+      run "cp -f #{shared_path}/config/maintenance.html #{shared_path}/system/"
+    end
+  end
+end