Class: AwsPricing::RdsInstanceType

Inherits:
InstanceType show all
Defined in:
lib/amazon-pricing/definitions/rds-instance-type.rb

Instance Attribute Summary

Attributes inherited from InstanceType

#api_name, #compute_units, #disk_in_gb, #disk_type, #memory_in_mb, #name, #platform, #virtual_cores

Instance Method Summary collapse

Methods inherited from InstanceType

#category_types, disk_bytes_per_sec_capacity, #disk_in_mb, disk_ops_per_sec_capacity, #get_breakeven_month, #get_category_type, get_descriptive_cache_name, get_descriptive_name, #memory_in_gb, populate_lookups, #prepay, #price_per_hour, service_type

Constructor Details

#initialize(region, api_name, name) ⇒ RdsInstanceType

Returns a new instance of RdsInstanceType.



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# File 'lib/amazon-pricing/definitions/rds-instance-type.rb', line 6

def initialize(region, api_name, name)
  @category_types = {}

  @region = region
  @name = name
  @api_name = api_name

  # Let's look up using the standard name but need to remove leading "db." to do so
  api_name_for_lookup = api_name.sub("db.", "")

  @disk_in_gb = InstanceType.get_disk(api_name_for_lookup)
  @platform = InstanceType.get_platform(api_name_for_lookup)
  @disk_type = InstanceType.get_disk_type(api_name_for_lookup)
  @memory_in_mb = InstanceType.get_memory(api_name_for_lookup)
  @compute_units = InstanceType.get_compute_units(api_name_for_lookup)
  @virtual_cores = InstanceType.get_virtual_cores(api_name_for_lookup)
end

Instance Method Details

#available?(database_type = :mysql, type_of_instance = :ondemand, is_multi_az, is_byol) ⇒ Boolean

database_type = :mysql, :oracle, :sqlserver type_of_instance = :ondemand, :light, :medium, :heavy

Returns:

  • (Boolean) 


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# File 'lib/amazon-pricing/definitions/rds-instance-type.rb', line 28

def available?(database_type = :mysql, type_of_instance = :ondemand, is_multi_az, is_byol)
  db = get_category_type(database_type, is_multi_az, is_byol)
  return false if db.nil?
  db.available?(type_of_instance)
end

#update_pricing(database_type, type_of_instance, json, is_multi_az, is_byol) ⇒ Object 



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# File 'lib/amazon-pricing/definitions/rds-instance-type.rb', line 34

def update_pricing(database_type, type_of_instance, json, is_multi_az, is_byol)
  db = get_category_type(database_type, is_multi_az, is_byol)
  if db.nil?
    db = DatabaseType.new(self, database_type)        

    if is_multi_az == true and is_byol == true
      @category_types["#{database_type}_byol_multiaz"] = db
    elsif is_multi_az == true and is_byol == false
      @category_types["#{database_type}_multiaz"] = db
    elsif is_multi_az == false and is_byol == true
      @category_types["#{database_type}_byol"] = db
    else
      @category_types[database_type] = db
    end    

  end

  if type_of_instance == :ondemand
    values = RdsInstanceType::get_values(json, database_type)
    price = coerce_price(values[database_type.to_s])
    db.set_price_per_hour(type_of_instance, nil, price)
  else
    # Amazon has another data error where they are still exposing reserved instance types when they do not actually exist (e.g. SQL Server t1.micro). 
    # Just warn and continue.
    if db.ondemand_price_per_hour.nil?
      $stderr.puts "WARNING: Skipping RDS instance type #{api_name}:#{database_type}:#{type_of_instance}:#{is_multi_az}:#{is_byol} due to lack of on-demand pricing"
      return
    end

    json['valueColumns'].each do |val|
      # As of 2014-04-02 we see entries w/o pricing, e.g. sqlserver_web heavy 1 year reservation = {"prices"=>{"USD"=>{}}, "name"=>"yrTerm1"}
      if val['prices']['USD'].empty?
        #puts "The following instance type does not have pricing: #{@region.name} : #{@api_name} : #{database_type} : #{type_of_instance} : #{val['name']} : #{is_multi_az} : #{is_byol}"
        next
      end

      price = coerce_price(val['prices']['USD'])

      case val["name"]
      when "yrTerm1", "yrTerm1Standard"
        db.set_prepay(type_of_instance, :year1, price)
      when "yrTerm3", "yrTerm3Standard"
        db.set_prepay(type_of_instance, :year3, price)
      when "yrTerm1Hourly"
        db.set_price_per_hour(type_of_instance, :year1, price)
      when "yrTerm3Hourly"
        db.set_price_per_hour(type_of_instance, :year3, price)
      when "yearTerm1Hourly"
        db.set_price_per_hour(type_of_instance, :year1, price)
      when "yearTerm3Hourly"
        db.set_price_per_hour(type_of_instance, :year3, price)
      else
        $stderr.puts "[#{__method__}] WARNING: unknown term:#{val["name"]}"
      end
    end
  end
  # Copy byol prices from oracle_se to oracle_{ee,se1,se2}
  if database_type == :oracle_se && is_byol
    update_pricing :oracle_ee,  type_of_instance, json, is_multi_az, is_byol
    update_pricing :oracle_se1, type_of_instance, json, is_multi_az, is_byol
    update_pricing :oracle_se2, type_of_instance, json, is_multi_az, is_byol
  end
end

#update_pricing2(database_type, type_of_instance, is_multi_az, is_byol, ondemand_pph = nil, year1_prepay = nil, year3_prepay = nil, year1_pph = nil, year3_pph = nil) ⇒ Object 



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# File 'lib/amazon-pricing/definitions/rds-instance-type.rb', line 147

def update_pricing2(database_type, type_of_instance, is_multi_az, is_byol, ondemand_pph = nil, year1_prepay = nil, year3_prepay = nil, year1_pph = nil, year3_pph = nil)
  db = get_category_type(database_type, is_multi_az, is_byol)
  if db.nil?
    db = DatabaseType.new(self, database_type)        
    
    if is_multi_az == true and is_byol == true
      @category_types["#{database_type}_byol_multiaz"] = db
    elsif is_multi_az == true and is_byol == false
      @category_types["#{database_type}_multiaz"] = db
    elsif is_multi_az == false and is_byol == true
      @category_types["#{database_type}_byol"] = db
    else
      @category_types[database_type] = db
    end    

  end

  db.set_price_per_hour(type_of_instance, nil, coerce_price(ondemand_pph)) unless ondemand_pph.nil?
  db.set_prepay(type_of_instance, :year1, coerce_price(year1_prepay)) unless year1_prepay.nil?
  db.set_prepay(type_of_instance, :year3, coerce_price(year3_prepay)) unless year3_prepay.nil?
  db.set_price_per_hour(type_of_instance, :year1, coerce_price(year1_pph)) unless year1_pph.nil?
  db.set_price_per_hour(type_of_instance, :year3, coerce_price(year3_pph)) unless year3_pph.nil?
end

#update_pricing_new(database_type, type_of_instance, prices, term = nil, is_multi_az, is_byol) ⇒ Object 



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# File 'lib/amazon-pricing/definitions/rds-instance-type.rb', line 98

def update_pricing_new(database_type, type_of_instance, prices, term = nil, is_multi_az, is_byol)
  db = get_category_type(database_type, is_multi_az, is_byol)
  if db.nil?
    db = DatabaseType.new(self, database_type)

    if is_multi_az == true and is_byol == true
      @category_types["#{database_type}_byol_multiaz"] = db
    elsif is_multi_az == true and is_byol == false
      @category_types["#{database_type}_multiaz"] = db
    elsif is_multi_az == false and is_byol == true
      @category_types["#{database_type}_byol"] = db
    else
      @category_types[database_type] = db
    end

  end

  terms_to_years = {
      "yrTerm1" => :year1,
      "yrTerm3" => :year3,
      "yrTerm1Standard" => :year1,
      "yrTerm3Standard" => :year3
  }
  years = terms_to_years[term]
  if years.nil?
    $stderr.puts "[#{__method__}] WARNING: unknown term:#{val["name"]}"
  end

  prices.each do |price|
    p = coerce_price(price['prices']['USD'])
    case price['name']
      when 'upfront'
        db.set_prepay(type_of_instance, years, p.to_f) unless type_of_instance == :noupfront || p == "N/A"
      when 'monthlyStar'
        # note for partialupfront, this purposely differs from AWS' "effective hourly" since we do not
        # include the amortization of the partialupfront cost into this rate.
        db.set_price_per_hour(type_of_instance, years, p.to_f * 12 / 365 / 24) unless type_of_instance == :allupfront || p == "N/A"
      else
        # Do nothing for other names
    end
  end
  # Copy byol prices from oracle_se to oracle_{ee,se1,se2}
  if database_type == :oracle_se && is_byol
    update_pricing_new :oracle_ee,  type_of_instance, prices, term, is_multi_az, is_byol
    update_pricing_new :oracle_se1, type_of_instance, prices, term, is_multi_az, is_byol
    update_pricing_new :oracle_se2, type_of_instance, prices, term, is_multi_az, is_byol
  end
end