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fix of summarization of ASG cost - resolve errors if ASG name is same in different region, also more clear reporting if instances are not part of an Auto Scaling Group.

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This commit is contained in:
Colin Johnson 2012-08-04 18:11:08 +00:00
parent 49a7d96d8f
commit fe692ac103
1 changed files with 20 additions and 11 deletions
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27
ec2-cost-calculate-ruby/ec2-cost-calculate.rb
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@ -64,7 +64,7 @@ class Region_Resource
end
end
#CostASG - will contain one cost object per Auto Scaling Group
#CostASG is used when mode is "byasg"- one CostASG object exists per Auto Scaling Group
class CostASG
attr_accessor :name, :region, :instance_type,:total_instance_count, :total_cost
def initialize(name,region,instance_type,total_instance_count,total_cost)
@ -331,15 +331,24 @@ AWS.memoize do
#gets price using Instance.price method
ec2_object.price = ec2_object.get_price(ec2_object.instance_type,ec2_object.region,ec2_object.platform,price_table,options[:multiplier])
#if the currently evaluated instance has an asg that is already in the asg_cost_collection, add the price of the current object to the asg_cost_collection.total_cost attribute, else create a new asg_cost_object and add to the asg_cost_collection
if asg_cost_collection.include?(ec2_object.asg)
asg_cost_collection[ec2_object.asg].total_instance_count += 1
asg_cost_collection[ec2_object.asg].total_cost += ec2_object.price
#if mode is "byasg" create a new asg cost object and then insert into the asg_cost_collection
if options[:mode] == "byasg"
#handles case where "ASG" tag is not set, sets to "<nil> string"
if ec2_object.asg.nil?
ec2_object.asg = "<nil>"
end
#asg_unique_id is a unique id for each Auto Scaling Group in each region. Converting all values to strings (to_s) ensures no errors when concatinating - one example of a need to convert to string is a "nil" value for ASG - which would cause errors on concatenation.
asg_unique_id = ec2_object.asg.to_s + "," + ec2_object.region.to_s + "," + ec2_object.instance_type.to_s
#if asg_unique_id exists already, add to instance count and total cost
if asg_cost_collection.include?(asg_unique_id)
asg_cost_collection[asg_unique_id].total_instance_count += 1
asg_cost_collection[asg_unique_id].total_cost += ec2_object.price
#else create a new asg_cost_object and place in asg_cost_collection
else
asg_cost_object = CostASG.new(ec2_object.asg,ec2_object.region,ec2_object.instance_type,1,ec2_object.price)
asg_cost_collection[ec2_object.asg] = asg_cost_object
asg_cost_collection[asg_unique_id] = asg_cost_object
end
end
#places each ec2_object into the instance_collection if the status of instance matches user requested status
if options[:status] == instance.status
instance_collection[instance.id] = ec2_object
@ -347,8 +356,8 @@ AWS.memoize do
end
end
end
#Prints Header
#Prints Header
case options[:mode]
when "byinstance"
headerstring = "instanceid","#{options[:seperator]}","region","#{options[:seperator]}","platform","#{options[:seperator]}","status","#{options[:seperator]}","cost","#{options[:seperator]}","name","#{options[:seperator]}","autoscalinggroup","\n"
@ -369,7 +378,7 @@ case options[:mode]
ec2_instance_object.output(options,ec2_instance_object,ec2cc_resources)
end
when "byasg"
asg_cost_collection.each do |asg_cost_object_asg,asg_cost_object|
asg_cost_collection.each do |asg_unique_id,asg_cost_object|
asg_cost_object.output(options,asg_cost_object,ec2cc_resources)
end
end