Class: TranscodingMachine::Server::Ec2Environment

Inherits:
Object
  • Object
show all
Defined in:
lib/transcoding_machine/server/ec2_environment.rb

Constant Summary collapse

@@logger = 
STDOUT
@@data = 
nil
@@transcoding_settings = 
nil

Class Method Summary collapse

Class Method Details

.data ⇒ Object

Load user data



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 25

def self.data
  return @@data if @@data
  begin
    logger.puts "Getting EC2 instance ID"
    iid = open('http://169.254.169.254/latest/meta-data/instance-id').read(200)
    logger.puts "Getting EC2 user data"
    user_data = open('http://169.254.169.254/latest/user-data').read(2000)
    data = YAML.load(user_data)
    aws = { :aws_env => data[:aws_env],
            :aws_access_key => data[:aws_access_key],
            :aws_secret_key => data[:aws_secret_key]
          }
    
    ENV['AWS_ACCESS_KEY_ID'] = data[:aws_access_key]
    ENV['AWS_SECRET_ACCESS_KEY'] = data[:aws_secret_key]
  rescue
    # when running locally, use fake iid
    iid = "unknown"
    user_data = nil
    aws = {}        
  end
  @@data = {:aws => aws, :iid => iid, :user_data => data}
end

.instance_id ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 53

def self.instance_id
  data[:iid]
end

.keys ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 49

def self.keys
  [data[:aws][:aws_access_key], data[:aws][:aws_secret_key]]
end

.load ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 20

def self.load
  !data.nil?
end

.logger ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 16

def self.logger
  @@logger || STDOUT
end

.logger=(new_logger) ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 12

def self.logger=(new_logger)
  @@logger = new_logger
end

.status_queue_name ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 74

def self.status_queue_name
  data[:user_data][:status_queue_name]
end

.transcoding_settings ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 57

def self.transcoding_settings
  return @@transcoding_settings if @@transcoding_settings
  
  bucket = data[:user_data][:transcoding_settings][:bucket]
  key    = data[:user_data][:transcoding_settings][:key]
  
  logger.puts "Getting transcoding settings from S3 #{bucket}/#{key}"
  
  s3 = RightAws::S3.new
  
  @@transcoding_settings ||= YAML.load(s3.bucket(bucket).key(key).data)
end

.updated_gem ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 78

def self.updated_gem
  data[:user_data][:updated_gem]
end

.work_queue_name ⇒ Object 



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# File 'lib/transcoding_machine/server/ec2_environment.rb', line 70

def self.work_queue_name
  data[:user_data][:work_queue_name]
end