Class: Kumome::Stat

Inherits:
Object
  • Object
show all
Defined in:
lib/kumome/stat.rb

Constant Summary collapse

OPERATORS = 
{
  'GreaterThanOrEqualToThreshold' => '>=',
  'GreaterThanThreshold' => '>',
  'LessThanThreshold' => '<',
  'LessThanOrEqualToThreshold' => '<='
}

Class Method Summary collapse

Class Method Details

.build_cw_config(resource, metric, options, id) ⇒ Object 



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# File 'lib/kumome/stat.rb', line 36

def self.build_cw_config(resource, metric, options, id)
  config = {
    metric_name: metric['metric_name'],
    namespace: resource['namespace'],
    statistics: [metric['statistic']],
    dimensions: [{ name: resource['dimensions_name'], value: id }],
    start_time: (Time.now - 3600).iso8601,
    end_time: Time.now.iso8601,
    period: options[:period]
  }
  config[:unit] = metric['unit'] if metric['unit']
  config
end

.colorize(point, alarm) ⇒ Object 



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# File 'lib/kumome/stat.rb', line 50

def self.colorize(point, alarm)
  point = point.round(1).to_s
  return point unless alarm
  if /^[<>=]/ !~ alarm
    res = @client.describe_alarms({
                                    alarm_names: [alarm]
                                  })
    metric_alarm = res.metric_alarms.first
    alarm = OPERATORS[metric_alarm.comparison_operator] + metric_alarm.threshold.to_s
  end
  point = point.red if eval("#{point} #{alarm}")
  point
end

.data ⇒ Object 



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# File 'lib/kumome/stat.rb', line 12

def self.data
  options = Kumome::Option.options
  Awsecrets.load(profile: options[:profile])
  @client = Aws::CloudWatch::Client.new
  ids = {}
  metrics_header = {}
  data = {}
  Kumome::Config.config['resources'].each do |resource_name, resource|
    next if options[resource_name.to_sym].nil?
    options[resource_name.to_sym].split(',').each do |id|
      resource['metrics'].each do |name, metric|
        key = resource_name + id + name.to_s
        config = build_cw_config(resource, metric, options, id)
        output = @client.get_metric_statistics(config)
        output.datapoints.each do |point|
          data[point.timestamp] = {} unless data.key?(point.timestamp)
          data[point.timestamp][key] = colorize(point[metric['statistic'].underscore], metric['alarm'])
        end
      end
    end
  end
  data
end