roles/ptolemy-nn.rb

   1 $LOAD_PATH.push("#{File.dirname(__FILE__)}/../_lib")
   2 #${chef-repo}/_lib/grid.rb
   3 require 'grid'
   4 require 'socket'
   5
   6 cluster_name = 'ptolemy'
   7 cluster_sym = cluster_name.to_sym
   8
   9 name "#{cluster_name}-nn"
  10 description "#{cluster_name.capitalize} NameNode node"
  11
  12 run_list(
  13   'role[node_commons]',
  14   #'role[grid-realm]',
  15   'role[ganglia-gmond]',
  16   "role[#{cluster_name}-node]"
  17 )
  18
  19 #env_run_lists()
  20
  21 this_subcluster = Grid::CLUSTERS[cluster_sym][:namenodes]
  22 mcast_addr = this_subcluster[:mcast_addr]
  23 port = '8649'
  24 # uni-cast
  25 udp_send_channels4ucast = []
  26 this_subcluster[:nodes].first(2).each {|host|
  27   udp_send_channels4ucast.push(
  28     {
  29       'mcast_join' => '',
  30       'host' => "#{host}.#{Grid::DOMAIN}",
  31       #'host' => IPSoket.getaddress("#{host}.#{Grid::DOMAIN}"),
  32       'port' => port,
  33       'ttl' => ''
  34     }
  35   )
  36 }
  37
  38 default_attributes(
  39 )
  40
  41 override_attributes(
  42   'ganglia' => {
  43     # gmond
  44     'cluster' => {
  45       'name' => this_subcluster[:alias],
  46       'owner' => Grid::DOMAIN
  47     },
  48     'static' => {
  49 =begin
  50       ## static multi-cast
  51       'udp_send_channels' => [
  52         {
  53           'mcast_join' => mcast_addr,
  54           'host' => '',
  55           'port' => port,
  56           'ttl' => '1'
  57         }
  58       ],
  59       'udp_recv_channels' => [
  60         {
  61           'mcast_join' => mcast_addr,
  62           'port' => port,
  63           'bind' => mcast_addr
  64         }
  65       ]
  66 =end
  67       ## static uni-cast
  68       'udp_send_channels' => udp_send_channels4ucast,
  69       'udp_recv_channels' => [
  70         {
  71           'mcast_join' => '',
  72           'port' => port,
  73           'bind' => ''
  74         }
  75       ]
  76     }
  77   }
  78 )