Script to set/change the lifecycle of an Amazon S3 bucket. Todo: add options using opt-parse. I am actually not sure if this works. There are no errors but I can't figure out a way to check the lifecycle of an altered bucket.

set_s3_lifecycle

#!/usr/bin/env ruby

# Script to backup the Discourse postgres db and upload it to Amazon S3

require 'rubygems'
require 'yaml'
require 'fog'
require 'time'
require 'date'

#Add date/time enhancements
#Inspired by the activesupport gem: http://rubydoc.info/gems/activesupport/Time

class Fixnum
  def seconds
    self
  end
  alias_method :second, :seconds

  def minutes
    seconds * 60
  end
  alias_method :minute, :minutes

  def hours
    minutes * 60
  end
  alias_method :hour, :hours

  def days
    hours * 24
  end
  alias_method :day, :days

  def weeks
    days * 7
  end
  alias_method :week, :weeks

  def months
    days * 30
  end
  alias_method :month, :months
 def years
    days * 365
  end
  alias_method :year, :years

def ago
    Time.now - self
  end

  def from_now
    Time.now + self
  end
end

bucket = "qa-discourse-backup"

# use yaml to open the .fog file and extract the credentials we need
creds = YAML::load(File.read('.fog'))
aws_access_key_id_test = creds[:default][:aws_access_key_id_test]
aws_secret_access_key_test = creds[:default][:aws_secret_access_key_test]

# create a connection
connection = Fog::Storage.new({
    :provider                   => 'AWS',
    :aws_access_key_id          => aws_access_key_id_test,
    :aws_secret_access_key      => aws_secret_access_key_test
})

expDays = 30
startDate = Time.now.utc
ruleName = "your rule name"
rulePrefix = "your-prefix"
ruleEnabled = true
bucket = "my-bucket-name"

exp = {
   "Days" => expDays,
   "Date" => startDate
}

life_cycle = {
        "Rules" => [
                {
                'ID' => ruleName,
 'Prefix' => rulePrefix,
                'Enabled' => ruleEnabled,
                'Expiration' => { "Days" => expDays, "Date" => startDate }
                }
        ]
}


connection.put_bucket_lifecycle(bucket, life_cycle)