Class: Cumulus::AutoScaling::AlarmDiff

Inherits:
Common::Diff show all
Includes:
AlarmChange
Defined in:
lib/autoscaling/models/AlarmDiff.rb

Overview

Public: Represents a single difference between local configuration and AWS configuration of Cloudwatch alarms

Constant Summary

Constants included from AlarmChange

Cumulus::AutoScaling::AlarmChange::ALARM, Cumulus::AutoScaling::AlarmChange::COMPARISON, Cumulus::AutoScaling::AlarmChange::DESCRIPTION, Cumulus::AutoScaling::AlarmChange::DIMENSIONS, Cumulus::AutoScaling::AlarmChange::ENABLED, Cumulus::AutoScaling::AlarmChange::EVALUATION, Cumulus::AutoScaling::AlarmChange::INSUFFICIENT, Cumulus::AutoScaling::AlarmChange::METRIC, Cumulus::AutoScaling::AlarmChange::NAMESPACE, Cumulus::AutoScaling::AlarmChange::OK, Cumulus::AutoScaling::AlarmChange::PERIOD, Cumulus::AutoScaling::AlarmChange::STATISTIC, Cumulus::AutoScaling::AlarmChange::THRESHOLD, Cumulus::AutoScaling::AlarmChange::UNIT

Constants included from Common::DiffChange

Common::DiffChange::ADD, Common::DiffChange::MODIFIED, Common::DiffChange::UNMANAGED

Instance Attribute Summary collapse

Attributes inherited from Common::Diff

#aws, #changes, #info_only, #local, #type

Instance Method Summary collapse

Methods included from Common::DiffChange

next_change_id

Methods inherited from Common::Diff

#add_string, added, #initialize, #local_name, modified, #to_s, unmanaged, #unmanaged_string

Constructor Details

This class inherits a constructor from Cumulus::Common::Diff

Instance Attribute Details

#policy_arn ⇒ Object

Returns the value of attribute policy_arn.



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 31

def policy_arn
  @policy_arn
end

Instance Method Details

#alarm_actions_to_add ⇒ Object

Public: Get the alarm actions that will be added

Returns an array of arns to add



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 104

def alarm_actions_to_add
  local_actions("alarm") - @aws.alarm_actions
end

#alarm_actions_to_remove ⇒ Object

Public: Get the alarm actions that will be removed

Returns an array of arns to remove



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 97

def alarm_actions_to_remove
  @aws.alarm_actions - local_actions("alarm")
end

#asset_type ⇒ Object 



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 86

def asset_type
  "Alarm"
end

#aws_name ⇒ Object 



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 90

def aws_name
  @aws.alarm_name
end

#diff_string ⇒ Object 



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 33

def diff_string
  diff_lines = [@local.name]

  case @type
  when ALARM
    lines = ["\tAlarm actions:"]
    lines << alarm_actions_to_remove.map { |a| "\t\t#{Colors.removed(a)}" }
    lines << alarm_actions_to_add.map { |a| "\t\t#{Colors.added(a)}" }
    diff_lines << lines.flatten.join("\n")
  when COMPARISON
    diff_lines << "\tComparison type: AWS - #{Colors.aws_changes(@aws.comparison_operator)}, Local - #{Colors.local_changes(@local.comparison)}"
  when DESCRIPTION
    diff_lines << [
      "\tDescription:",
      Colors.aws_changes("\t\tAWS - #{@aws.alarm_description}"),
      Colors.local_changes("\t\tLocal - #{@local.description}")
    ].join("\n")
  when DIMENSIONS
    lines = ["\tDimensions:"]
    lines << dimensions_to_remove.map { |d| "\t\t#{Colors.removed(d)}" }
    lines << dimensions_to_add.map { |d| "\t\t#{Colors.added(d)}" }
    diff_lines << lines.flatten.join("\n")
  when ENABLED
    diff_lines << "\tActions enabled: AWS - #{Colors.aws_changes(@aws.actions_enabled)}, Local - #{Colors.local_changes(@local.actions_enabled)}"
  when EVALUATION
    diff_lines << "\tEvaluation periods: AWS - #{Colors.aws_changes(@aws.evaluation_periods)}, Local - #{Colors.local_changes(@local.evaluation_periods)}"
  when INSUFFICIENT
    lines = ["\tInsufficient data actions:"]
    lines << insufficient_actions_to_remove.map { |i| "\t\t#{Colors.removed(i)}" }
    lines << insufficient_actions_to_add.map { |i| "\t\t#{Colors.added(i)}" }
    diff_lines << lines.flatten.join("\n")
  when METRIC
    diff_lines << "\tMetric: AWS - #{Colors.aws_changes(@aws.metric_name)}, Local - #{Colors.local_changes(@local.metric)}"
  when NAMESPACE
    diff_lines << "\tNamespace: AWS - #{Colors.aws_changes(@aws.namespace)}, Local - #{Colors.local_changes(@local.namespace)}"
  when OK
    lines = ["\tOk actions:"]
    lines << ok_actions_to_remove.map { |o| "\t\t#{Colors.removed(o)}" }
    lines << ok_actions_to_add.map { |o| "\t\t#{Colors.added(o)}" }
    diff_lines << lines.flatten.join("\n")
  when PERIOD
    diff_lines << "\tPeriod seconds: AWS - #{Colors.aws_changes(@aws.period)}, Local - #{Colors.local_changes(@local.period)}"
  when STATISTIC
    diff_lines << "\tStatistic: AWS - #{Colors.aws_changes(@aws.statistic)}, Local - #{Colors.local_changes(@local.statistic)}"
  when THRESHOLD
    diff_lines << "\tThreshold: AWS - #{Colors.aws_changes(@aws.threshold)}, Local - #{Colors.local_changes(@local.threshold)}"
  when UNIT
    diff_lines << "\tUnit: AWS - #{Colors.aws_changes(@aws.unit)}, Local - #{Colors.local_changes(@local.unit)}"
  end

  diff_lines.flatten.join("\n")
end

#dimensions_to_add ⇒ Object

Public: Get the dimensions that will be added

Returns a hash of key value pairs to add



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 118

def dimensions_to_add
  @local.dimensions.reject { |k, v| aws_dimensions.include?(k) and aws_dimensions[k] == v }
end

#dimensions_to_remove ⇒ Object

Public: Get the dimensions that will be removed

Returns a hash of key value pairs to be removed



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 111

def dimensions_to_remove
  aws_dimensions.reject { |k, v| @local.dimensions.include?(k) and @local.dimensions[k] == v }
end

#insufficient_actions_to_add ⇒ Object

Public: Get the insufficient data actions that will be added

Returns an array of arns to add



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 132

def insufficient_actions_to_add
  local_actions("insufficient-data") - @aws.insufficient_data_actions
end

#insufficient_actions_to_remove ⇒ Object

Public: Get the insufficient data actions that will be removed

Returns an array of arns to remove



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 125

def insufficient_actions_to_remove
  @aws.insufficient_data_actions - local_actions("insufficient-data")
end

#ok_actions_to_add ⇒ Object

Public: Get the ok actions that will be added

Returns an array of arns to add



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 146

def ok_actions_to_add
  local_actions("ok") - @aws.ok_actions
end

#ok_actions_to_remove ⇒ Object

Public: Get the ok actions that will be removed

Returns an array of arns to remove



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# File 'lib/autoscaling/models/AlarmDiff.rb', line 139

def ok_actions_to_remove
  @aws.ok_actions - local_actions("ok")
end