Class: RoutesAlerts::SuccessRate

Inherits:
Base
  • Object
show all
Defined in:
lib/routes_alerts/metrics/success_rate.rb

Instance Attribute Summary

Attributes inherited from Base

#config, #route_info

Instance Method Summary collapse

Methods inherited from Base

#actions, #create!, #initialize, #log_group_name, #namespace, #prefix, #route_name

Constructor Details

This class inherits a constructor from RoutesAlerts::Base

Instance Method Details

#alarm_params ⇒ Object 



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# File 'lib/routes_alerts/metrics/success_rate.rb', line 25

def alarm_params
  {
    alarm_name: "#{prefix}Alarm-#{RoutesAlerts::Metrics::SUCCESS_METRIC_NAME}-#{route_name}",
    actions_enabled: !!actions&.any?,
    ok_actions: actions,
    alarm_actions: actions,
    metrics: [
      {
        id: "m1",
        metric_stat: {
          metric: {
            namespace: namespace,
            metric_name: "#{RoutesAlerts::Metrics::SUCCESS_METRIC_NAME}-#{route_name}",
            dimensions: [],
          },
          period: route_info.alarm_period,
          stat: "Sum",
        },
        return_data: false
      },
      {
        id: "m2", 
        metric_stat: {
          metric: {
            namespace: namespace,
            metric_name: "#{RoutesAlerts::Metrics::COUNT_METRIC_NAME}-#{route_name}",
            dimensions: [],
          },
          period: route_info.alarm_period,
          stat: "Sum",
        },
        return_data: false
      },
      {
        id: "e1",
        expression: "(m1/m2)*100",
      }
    ],
    evaluation_periods: route_info.number_of_datapoints,
    datapoints_to_alarm: route_info.number_of_datapoints,
    threshold: route_info.success_rate,
    comparison_operator: "LessThanThreshold",
    treat_missing_data: "notBreaching",
  }
end

#filter_pattern ⇒ Object 



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# File 'lib/routes_alerts/metrics/success_rate.rb', line 4

def filter_pattern
  "{ $.path = \"#{route_info.path}\" && $.method = \"#{route_info.method}\" && $.status >= 200 && $.status < 300 }"
end

#metric_params ⇒ Object 



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# File 'lib/routes_alerts/metrics/success_rate.rb', line 8

def metric_params
  {
    log_group_name: log_group_name,
    filter_name: "#{RoutesAlerts::Metrics::SUCCESS_METRIC_NAME}-#{route_name}",
    filter_pattern: filter_pattern,
    metric_transformations: [
      {
        metric_name: "#{RoutesAlerts::Metrics::SUCCESS_METRIC_NAME}-#{route_name}",
        metric_namespace: namespace,
        metric_value: "1",
        default_value: 0,
        unit: "Count",
      },
    ]
  }
end