Module: Roles

Included in:
ClusterBomb::Bomb
Defined in:
lib/cluster_bomb/roles.rb

Instance Method Summary collapse

Instance Method Details

#clear_role(name) ⇒ Object

Clear out role



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# File 'lib/cluster_bomb/roles.rb', line 17

def clear_role(name)
  rl = @roles[name.to_sym]
  @roles[name.to_sym] =[] if rl
end

#role(*args, &task) ⇒ Object 



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# File 'lib/cluster_bomb/roles.rb', line 2

def role(*args, &task)
  if args.length==2
    name=args[0]
    servers=args[1]
    ra=servers.split(',')       
  elsif args.length==1 && task != nil
    name=args[0]
    ra = yield(task)
  else
    raise "role command takes a role name and a list of hosts OR a block yielding a list of hosts"
  end    
  set_role(name, ra)
end

#servers(role_list) ⇒ Object

produce a list of servers from role list empty or nil role list implies all roles



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# File 'lib/cluster_bomb/roles.rb', line 24

def servers(role_list)
  @roles ||={}
  ra=[]
  if role_list && !role_list.empty?
    if role_list.class==String
      ra = role_list.split(',').collect{|r| r.to_sym}
    else
      ra=role_list
    end
  end
  server_list=[]
  ra.each do |role|
    raise "Role #{role} not found" unless @roles[role]
    server_list += @roles[role]
  end
  server_list
end

#valid_role?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cluster_bomb/roles.rb', line 42

def valid_role?(name)
  @roles[name.to_sym]
end