Class: CapistranoProvisioning::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/capistrano-provisioning/cluster.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, opts = {}) ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/capistrano-provisioning/cluster.rb', line 5

def initialize(name, opts = {})
  self.name = name    
  self.servers = opts[:servers]
  self.bootstrap = opts[:bootstrap]
  self.config = opts[:config]
        
  @users = []
  
  add_cluster_cap_task
end

Instance Attribute Details

#bootstrap ⇒ Object

Returns the value of attribute bootstrap.



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# File 'lib/capistrano-provisioning/cluster.rb', line 3

def bootstrap
  @bootstrap
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/capistrano-provisioning/cluster.rb', line 3

def config
  @config
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/capistrano-provisioning/cluster.rb', line 3

def name
  @name
end

#servers ⇒ Object

Returns the value of attribute servers.



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# File 'lib/capistrano-provisioning/cluster.rb', line 3

def servers
  @servers
end

Instance Method Details

#add_users(users, opts = {}) ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 48

def add_users(users, opts = {})
  @users += users.collect do |user|
    if user.is_a? CapistranoProvisioning::User
      user.config = self.config
      user
    else
      opts.merge!(:name => user, :config => self.config)
      CapistranoProvisioning::User.new(opts)         # This dependency should be injected, really.
    end
  end
end

#ensure_users ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 40

def ensure_users
  if @users.empty? and config.respond_to?(:default_users)
    @users = config.default_users
  end
  
  abort "No users found" unless @users
end

#install_users(specified_users = []) ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 16

def install_users(specified_users = [])
  ensure_users
  
  self.servers.each do |server|
    self.users.each do |user|
      next unless specified_users.empty? or specified_users.include?(user.name)
      user.install(:server => server)
    end
  end
end

#preview_users(specified_users = []) ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 27

def preview_users(specified_users = [])
  ensure_users

  self.servers.each do |server|
    puts "#{server}: "
    self.users.each do |user|
      next unless specified_users.empty? or specified_users.include?(user.name)
      groups = user.groups.empty? ? '' : "(#{user.groups.join(', ')})"
      puts "\t#{user.name} #{groups}"
    end
  end
end

#unique_name ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 60

def unique_name
  self.config.send(:unique_name) + ":" + self.name.to_s
end

#users ⇒ Object 



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# File 'lib/capistrano-provisioning/cluster.rb', line 64

def users
  ensure_users
  @users
end