Class: Tengine::ResourceEc2::Provider

Inherits:
Tengine::Resource::Provider
  • Object
show all
Defined in:
lib/tengine/resource_ec2/provider.rb

Defined Under Namespace

Classes: PhysicalServerSynchronizer, Synchronizer, VirtualServerImageSynchronizer, VirtualServerSynchronizer

Instance Method Summary collapse

Instance Method Details

#create_virtual_servers(name, image, type, physical, description, min_count, max_count, group_ids, key_name, user_data = "", kernel_id, ramdisk_id) ⇒ Array<Tengine::Resource::VirtualServer> 



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# File 'lib/tengine/resource_ec2/provider.rb', line 210

def create_virtual_servers name, image, type, physical, description, min_count, max_count, group_ids, key_name, user_data = "", kernel_id, ramdisk_id
  connect {|conn|
    results = conn.run_instances(
      image.provided_id,
      min_count,
      max_count,
      group_ids,
      key_name,
      user_data,
      nil, # <- addressing_type
      type.provided_id,
      kernel_id,
      ramdisk_id,
      physical,
      nil  # <- block_device_mappings
    )
    yield if block_given? # テスト用のブロックの呼び出し
    results.map.with_index {|hash, idx|
      provided_id = hash.delete(:aws_instance_id)
      if server = self.virtual_servers.where({:provided_id => provided_id}).first
        server
      else
        # findではなくfirstで検索しているので、もしhost_server_provided_idで指定されるサーバが見つからなくても
        # host_serverがnilとして扱われるが、仮想サーバ自身の登録は行われます
        host_server = Tengine::Resource::PhysicalServer.by_provided_id(
          [hash[:aws_availability_zone], physical].detect{|i| !i.blank?})
        self.find_virtual_server_on_duplicaion_error(provided_id) do
          self.virtual_servers.create!(
            :name                 => sprintf("%s%03d", name, idx + 1), # 1 origin
            :address_order        => address_order.dup,
            :description          => description,
            :provided_id          => provided_id,
            :provided_image_id    => hash.delete(:aws_image_id),
            :provided_type_id     => hash.delete(:aws_instance_type),
            :host_server_id       => host_server ? host_server.id : nil,
            :status               => hash.delete(:aws_state),
            :properties           => hash,
            :addresses            => {
  #             :dns_name           => hash.delete(:dns_name),
  #             :ip_address         => hash.delete(:ip_address),
  #             :private_dns_name   => hash.delete(:private_dns_name),
  #             :private_ip_address => hash.delete(:private_ip_address),
            })
        end
      end
    }
  }
end

#describe_availability_zones ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 99

def describe_availability_zones
    # ec2.describe_availability_zones  #=> [{:region_name=>"us-east-1",
    #                                        :zone_name=>"us-east-1a",
    #                                        :zone_state=>"available"}, ... ]
    # http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/index.html?ApiReference-query-DescribeAvailabilityZones.html
  connect{|conn| conn.describe_availability_zones }
end

#describe_images ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 107

def describe_images
  connect{|conn| conn.describe_images_by_owner("self")}
end

#describe_instances ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 111

def describe_instances
    # http://rightscale.rubyforge.org/right_aws_gem_doc/
    # ec2.describe_instances #=>
    #   [{:aws_image_id       => "ami-e444444d",
    #     :aws_reason         => "",
    #     :aws_state_code     => "16",
    #     :aws_owner          => "000000000888",
    #     :aws_instance_id    => "i-123f1234",
    #     :aws_reservation_id => "r-aabbccdd",
    #     :aws_state          => "running",
    #     :dns_name           => "domU-12-34-67-89-01-C9.usma2.compute.amazonaws.com",
    #     :ssh_key_name       => "staging",
    #     :aws_groups         => ["default"],
    #     :private_dns_name   => "domU-12-34-67-89-01-C9.usma2.compute.amazonaws.com",
    #     :aws_instance_type  => "m1.small",
    #     :aws_launch_time    => "2008-1-1T00:00:00.000Z"},
    #     :aws_availability_zone => "us-east-1b",
    #     :aws_kernel_id      => "aki-ba3adfd3",
    #     :aws_ramdisk_id     => "ari-badbad00",
    #      ..., {...}]
    # http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/index.html?ApiReference-query-DescribeInstances.html
  connect{|conn| conn.describe_instances }
end

#synchronize_physical_servers ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 16

def synchronize_physical_servers
  synchronize_by(:physical_servers)
end

#synchronize_virtual_server_images ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 20

def synchronize_virtual_server_images
  synchronize_by(:virtual_server_images)
end

#synchronize_virtual_server_types ⇒ Object

仮想サーバタイプの監視



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# File 'lib/tengine/resource_ec2/provider.rb', line 272

def synchronize_virtual_server_types
  # ec2から取得する情報はありません
end

#synchronize_virtual_servers ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 24

def synchronize_virtual_servers
  synchronize_by(:virtual_servers)
end

#terminate_virtual_servers(servers) ⇒ Object 



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# File 'lib/tengine/resource_ec2/provider.rb', line 259

def terminate_virtual_servers servers
  connect do |conn|
    # http://rightscale.rubyforge.org/right_aws_gem_doc/classes/RightAws/Ec2.html#M000287
    # http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-query-TerminateInstances.html
    conn.terminate_instances(servers.map {|i| i.provided_id }).map do |hash|
      serv = self.virtual_servers.where(:provided_id => hash[:aws_instance_id]).first
      serv.update_attributes(:status => hash[:aws_current_state_name]) if serv
      serv
    end
  end
end