Class: DrushDeploy::Capistrano

Inherits:
Object
  • Object
show all
Defined in:
lib/drush_deploy/capistrano.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

DEFAULT_ROLES = 
[:web]

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Capistrano

Returns a new instance of Capistrano.



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# File 'lib/drush_deploy/capistrano.rb', line 14

def initialize(config)
  @cap_config = config
  @drush_config = DrushDeploy::Configuration.new @cap_config[:drush]
  @cap_config.logger.info "Using drush at \"#{@drush_config.drush}\""
end

Instance Method Details

#load_target(sitename) ⇒ Object

Take a sitename and setup it’s settings as the target host



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# File 'lib/drush_deploy/capistrano.rb', line 21

def load_target(sitename)
  site = @drush_config.lookup_site(sitename)
  return nil unless site

  if site["site-list"]
    # Site group
    site["site-list"].each {|member| load_target member}
  else
    this = self
    @cap_config.load do
      # Verify existence of required setting
      if this.valid_target(site)
        logger.info "Loading target #{sitename}"
        # Setup servername. Use <username>@ and :<port> syntax in servername instead of
        # :user and ssh_option[:port] to allow for different values per host.
        servername = site["remote-host"]

        servername = site["remote-user"]+'@'+servername if site["remote-user"]

        attributes = site["attributes"] || {}

        if site["ssh-options"]
          ssh_opts = site["ssh-options"].dup
          if  ssh_opts[:port]
            servername += ':'+ssh_opts[:port].to_s
            ssh_opts.delete :port
          end
          (attributes[:ssh_options] ||= {}).merge! ssh_opts
        end

        roles = site["roles"]
        unless roles
          roles = DEFAULT_ROLES
          logger.info "Using default roles #{roles.map{|r| "#{r}"}.join(", ")} for target \"#{sitename}\""
        end
        server servername, *roles, attributes

        # If global settings are already set, don't overwrite
        root = site["root"].dup
        unless root.sub! %r{/current/?$},''
          throw Error.new "root setting of site \"#{sitename}\" does not end in /current: \"#{root}\""
        end
        if root
          if !defined?(deploy_to)
            set :deploy_to, root
          elsif deploy_to != root
            logger.important "Ignoring \"root\" option for site #{sitename} because deploy_to has already been set.\n"\
                        "Note there may be only one root value for a single deploy"
          end
        end
        if site["databases"]
          dbs = DrushDeploy::Configuration.normalize_value site["databases"]
          set :databases, DrushDeploy::Database.deep_merge(dbs,databases)
        end
        if site["version_database"]
          set :version_database, (site["version_database"] == 1)
        end
      end
    end
  end
end

#targets ⇒ Object 



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# File 'lib/drush_deploy/capistrano.rb', line 87

def targets
  @drush_config.aliases.inject([]) do |list,(k,v)|
    list << k if valid_target(v)
    list
  end
end

#valid_target(site) ⇒ Object 



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# File 'lib/drush_deploy/capistrano.rb', line 83

def valid_target(site)
  site["site-list"] || site["remote-host"]
end