roles/praesepe-nn.rb

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