add stage task

add cap ssh


git-svn-id: https://svn.radicaldesigns.org/voterguides/trunk@680 75c0e4a9-b6e4-0310-a6ec-d70c6baf2916

Author: rabble

cap_ssh_ports.rb

@@ -0,0 +1,38 @@
+module Capistrano
+# A helper class for dealing with SSH connections.
+    class SSH
+      def self.connect(server, config, port=22, &block)
+        methods = [ %w(publickey hostbased), %w(password keyboard-interactive) ]
+        password_value = nil
+    
+        begin
+          ssh_options = { :username => config.user,
+                          :password => password_value,
+                          :port => port,
+                          :auth_methods => methods.shift }.merge(config.ssh_options)
+                      
+          # This regex is used for its byproducts, the $1-9 match vars.
+          # This regex will always match the ssh hostname and if there 
+          # is a username or port they will be matched as well. This 
+          # allows us to set the username and ssh port right in the 
+          # role string:  "[email protected]:8088"
+          # This remains fully backwards compatible and can still be
+          # intermixed with the old way of doing things. usernames
+          # and ports will be used from the role string if present
+          # but they will fall back to the regular defaults when not
+          # present.
+          server =~ /^(?:(\w+)@|)(.*?)(?::(\d+)|)$/                
+          ssh_options[:username] = $1 if $1    
+          ssh_options[:port] = $3 if $3
+            
+          Net::SSH.start($2,ssh_options,&block)
+        rescue Net::SSH::AuthenticationFailed
+          raise if methods.empty?
+          password_value = config.password
+          retry
+        end
+      end
+    end
+    
+end
+

config/deploy.rb

@@ -30,7 +30,7 @@
 
 role :web, "[email protected]:8050"
 role :app, "[email protected]:8050"
-role :app,  "[email protected]:8051", :no_release => true, :no_symlink => true
+role :app, "[email protected]:8051", :no_release => true, :no_symlink => true
 role :db,  "[email protected]:8050", :primary => true
 
 # =============================================================================
@@ -109,3 +109,44 @@
   sudo "chmod 755 #{release_path}/public/themes/default.liquid"
   sudo "ln -nfs #{shared_path}/public/attachments #{release_path}/public/attachments"
 end 
+
+role :staging, '[email protected]'
+task :stage, :roles => :staging do
+  #UPDATE CODE
+  on_rollback { delete release_path, :recursive => true }
+
+  source.checkout(self)
+
+  run <<-CMD
+    rm -rf #{release_path}/log #{release_path}/public/system &&
+    ln -nfs #{shared_path}/log #{release_path}/log &&
+    ln -nfs #{shared_path}/system #{release_path}/public/system
+  CMD
+  
+  run <<-CMD
+    test -d #{shared_path}/pids && 
+    rm -rf #{release_path}/tmp/pids && 
+    ln -nfs #{shared_path}/pids #{release_path}/tmp/pids; true
+  CMD
+
+  # uncache the list of releases, so that the next time it is called it will
+  # include the newly released path.
+  @releases = nil
+
+  #AFTER UPDATE CODE
+  run <<-CMD
+   ln -nfs #{deploy_to}/#{shared_dir}/config/database.yml #{release_path}/config/database.yml
+  CMD
+
+  #AFTER SYMLINK
+  run "ln -nfs #{shared_path}/public/attachments #{current_path}/public/attachments"
+  run "ln -nfs #{shared_path}/public/themes #{current_path}/public/themes"
+
+  #RESTART
+  begin
+    run "cd #{current_path} && mongrel_rails restart"
+  rescue RuntimeError => e
+    puts e
+    puts "Probably not a big deal, so I'll just keep trucking..."
+  end
+end