Class: AWSPricing::EC2

Inherits:
Object
  • Object
show all
Defined in:
lib/aws-pricing/products/ec2.rb

Constant Summary collapse

EC2_BASE_URL = 
'/ec2/pricing/pricing-'
EC2_RESERVED_BASE_URL = 
'/ec2/pricing/'

Class Method Summary collapse

Class Method Details

.cloud_watch ⇒ Object

Returns Hash of Cloudwatch monitoring pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 49

def self.cloud_watch
  Base.get(EC2_BASE_URL + 'cloudwatch')
end

.data_transfer ⇒ Object

Returns Hash of data transfer pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 39

def self.data_transfer
  Base.get(EC2_BASE_URL + 'data-transfer')
end

.ebs ⇒ Object

Returns Hash of elastic block storage pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 34

def self.ebs
  Base.get(EC2_BASE_URL + 'ebs')
end

.elastic_ips ⇒ Object

Returns Hash of elastic IP pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 44

def self.elastic_ips
  Base.get(EC2_BASE_URL + 'elastic-ips')
end

.elb ⇒ Object

Returns Hash of elastic loadbalancer pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 54

def self.elb
  Base.get(EC2_BASE_URL + 'elb')
end

.instances ⇒ Object

Returns Hash of on-demand server instance pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 11

def self.instances
  Base.get(EC2_BASE_URL + 'on-demand-instances')
end

.reserved_instances(options = {}) ⇒ Object

Returns Hash of reserved server instance pricing information



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# File 'lib/aws-pricing/products/ec2.rb', line 16

def self.reserved_instances(options = {})
  opts = { :os => 'linux', :utilization => 'heavy' }.merge(options)

  raise "AWSPricing: Invalid OS" unless /^linux|mswin+$/ =~ opts[:os].to_s
  raise "AWSPricing: Invalid Utilization" unless /^light|medium|heavy$/ =~ opts[:utilization].to_s

  Base.get(EC2_RESERVED_BASE_URL + "ri-#{opts[:utilization]}-#{opts[:os]}")
end

.spot_instances ⇒ Object

Returns Hash of current spot instance pricing information (5m)



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# File 'lib/aws-pricing/products/ec2.rb', line 26

def self.spot_instances
  callback_response = Net::HTTP.get_response(URI.parse 'http://spot-price.s3.amazonaws.com/spot.js').body
  callback_response.gsub!('callback(','')
  callback_response.slice!(callback_response.length-1)
  JSON.parse callback_response
end