Class: EC2UsageReport

Inherits:
Object
  • Object
show all
Defined in:
lib/ec2-usage-report.rb

Instance Method Summary collapse

Constructor Details

#initialize(email, password) ⇒ EC2UsageReport

Returns a new instance of EC2UsageReport.



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# File 'lib/ec2-usage-report.rb', line 6

def initialize(email, password)
  @email = email
  @password = password
end

Instance Method Details

#fetch(options = {}) ⇒ Object 



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# File 'lib/ec2-usage-report.rb', line 11

def fetch(options = {})
  options[:end] ||= Time.now
  options[:start] ||= (options[:end] - 7 * 24 * 60 * 60)
  options[:end] = Time.parse(options[:end].to_s)
  options[:start] = Time.parse(options[:start].to_s)

  options[:periodType] ||= :days

  agent = Mechanize.new
  agent.user_agent_alias = 'Windows IE 7'

  page = agent.get('https://aws-portal.amazon.com/gp/aws/developer/account/usage-report.html?productCode=AmazonEC2')

  agent.page.form_with(:name => 'signIn') do |f|
    f.field_with(:name => 'email').value = @email
    f.field_with(:name => 'password').value = @password
    f.click_button
  end

  agent.page.form_with(:name => 'usageReportForm') do |f|
    select(f, :timePeriod, 'aws-portal-custom-date-range')

    select_time(f, 'start', options.delete(:start))
    select_time(f, 'end', options.delete(:end))

    options.each do |name, value|
      select(f, name, value)
    end

    f.click_button(f.button_with(:name => 'download-usage-report-csv'))
  end

  csv_rows = agent.page.kind_of?(Mechanize::File) ? CSV.parse((agent.page.body || '').strip) : nil

  if csv_rows
    csv_rows = csv_rows.map do |row|
      row.map {|i| i.to_s.strip }
    end
  end

  return csv_rows
end