Class: Haas::Blueprints

Inherits:
Object
  • Object
show all
Defined in:
lib/haas/blueprints.rb

Class Method Summary collapse

Class Method Details

.get_blueprint ⇒ Object 



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# File 'lib/haas/blueprints.rb', line 29

def self.get_blueprint
  {
    "configurations" => [
      {
        "hive-site"=> {
          "javax.jdo.option.ConnectionPassword"=> "hive"
        }
      },
      {
        "nagios-env" => {
           "nagios_contact" => "admin@localhost"
        }
      }
    ],
    "host_groups" => [
      {
        "name" => "master",
        "components" => [
          {
            "name" => "NAMENODE"
          },
          {
            "name" => "SECONDARY_NAMENODE"
          },
          {
            "name" => "RESOURCEMANAGER"
          },
          {
            "name" => "HISTORYSERVER"
          },
          {
            "name" => "NAGIOS_SERVER"
          },
          {
            "name" => "GANGLIA_SERVER"
          },
          {
            "name" => "ZOOKEEPER_SERVER"
          },
          {
            "name" => "GANGLIA_MONITOR"
          },
          {
            "name" => "APP_TIMELINE_SERVER"
          }
        ],
        "cardinality" => "1"
      },
      {
        "name" => "slaves",
        "components" => [
          {
            "name" => "DATANODE"
          },
          {
            "name" => "HDFS_CLIENT"
          },
          {
            "name" => "NODEMANAGER"
          },
          {
            "name" => "YARN_CLIENT"
          },
          {
            "name" => "MAPREDUCE2_CLIENT"
          },
          {
            "name" => "ZOOKEEPER_CLIENT"
          },
          {
            "name" => "GANGLIA_MONITOR"
          }
        ],
        "cardinality" => "1+"
      }
    ],
   "Blueprints" => {
      "stack_name" => "HDP",
      "stack_version" => "2.2"
    }
  }
end

.get_cluster ⇒ Object 



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# File 'lib/haas/blueprints.rb', line 113

def self.get_cluster
  masters = []
  slaves = []
  nb_masters = 1
  Haas.cluster.nodes.each do |node|
    if masters.length < nb_masters
      masters << { "fqdn" => node.private_dns_name }
    else
      slaves << { "fqdn" => node.private_dns_name }
    end
  end

  {
    "blueprint" => "haas-blueprint",
    "default_password" => "my-super-secret-password",
    "host_groups" => [
      {
        "name" => "master",
        "hosts" => masters
      },
      {
        "name" => "slaves",
        "hosts" => slaves
      }
    ]
  }
end

.post_blueprints ⇒ Object 



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# File 'lib/haas/blueprints.rb', line 4

def self.post_blueprints
  ambari = Haas.cluster.get_ambari_server
  puts "Wait until ambari server is launched"
  while !Haas::Utils.is_port_open?(ambari.public_dns_name,8080)
    print '.'
    sleep 1
  end
  puts ' done.'

  puts "Wait 20 seconds for the nodes to connect to ambari."
  sleep 20
  puts "Done."

  post_json(ambari.public_dns_name,8080,'/api/v1/blueprints/haas-blueprint',get_blueprint)
  post_json(ambari.public_dns_name,8080,'/api/v1/clusters/haas-cluster',get_cluster)
end

.post_json(host, port, url, params) ⇒ Object 



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# File 'lib/haas/blueprints.rb', line 21

def self.post_json(host, port, url, params)
  req = Net::HTTP::Post.new(url)
  req.body = params.to_json
  req.basic_auth("admin", "admin")
  req["X-Requested-By"] = "HaaS"
  response = Net::HTTP.new(host, port).start {|http| http.request(req) }
end