Class: Cumulus::AutoScaling::PolicyDiff

Inherits:
Common::Diff show all
Includes:
PolicyChange
Defined in:
lib/autoscaling/models/PolicyDiff.rb

Overview

Public: Represents a single difference between local configuration and AWS configuration of scaling policies

Constant Summary

Constants included from PolicyChange

Cumulus::AutoScaling::PolicyChange::ADJUSTMENT, Cumulus::AutoScaling::PolicyChange::ADJUSTMENT_TYPE, Cumulus::AutoScaling::PolicyChange::ALARM, Cumulus::AutoScaling::PolicyChange::COOLDOWN, Cumulus::AutoScaling::PolicyChange::MIN_ADJUSTMENT

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

Class Method Summary collapse

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

#alarm_diffs ⇒ Object

Returns the value of attribute alarm_diffs.



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# File 'lib/autoscaling/models/PolicyDiff.rb', line 22

def alarm_diffs
  @alarm_diffs
end

#policy_arn ⇒ Object

Returns the value of attribute policy_arn.



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# File 'lib/autoscaling/models/PolicyDiff.rb', line 23

def policy_arn
  @policy_arn
end

Class Method Details

.alarms(alarm_diffs, local, policy_arn) ⇒ Object

Public: Static method that will produce a diff that contains changes in cloudwatch alarms

alarm_diffs - the differences in alarms local - the local configuration for the change policy_arn - the arn of the policy the alarms should be associated with

Returns the diff



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

def self.alarms(alarm_diffs, local, policy_arn)
  diff = PolicyDiff.new(ALARM, nil, local)
  diff.alarm_diffs = alarm_diffs
  diff.policy_arn = policy_arn
  diff
end

Instance Method Details

#asset_type ⇒ Object 



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# File 'lib/autoscaling/models/PolicyDiff.rb', line 63

def asset_type
  "Scaling policy"
end

#aws_name ⇒ Object 



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# File 'lib/autoscaling/models/PolicyDiff.rb', line 67

def aws_name
  @aws.policy_name
end

#diff_string ⇒ Object 



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# File 'lib/autoscaling/models/PolicyDiff.rb', line 40

def diff_string
  diff_lines = [@local.name]

  case @type
  when ADJUSTMENT_TYPE
    diff_lines << "\tAdjustment type: AWS - #{Colors.aws_changes(@aws.adjustment_type)}, Local - #{Colors.local_changes(@local.adjustment_type)}"
  when ADJUSTMENT
    diff_lines << "\tScaling adjustment: AWS - #{Colors.aws_changes(@aws.scaling_adjustment)}, Local - #{Colors.local_changes(@local.adjustment)}"
  when ALARM
    lines = ["\t\tCloudwatch alarms:"]
    lines << alarm_diffs.map do |diff|
      diff.to_s.lines.map {|s| "\t\t\t#{s}" }.join
    end
    diff_lines << lines.flatten.join("\n")
  when COOLDOWN
    diff_lines << "\tCooldown: AWS - #{Colors.aws_changes(@aws.cooldown)}, Local - #{Colors.local_changes(@local.cooldown)}"
  when MIN_ADJUSTMENT
    diff_lines << "\tMin adjustment step: AWS - #{Colors.aws_changes(@aws.min_adjustment_step)}, Local - #{Colors.local_changes(@local.min_adjustment)}"
  end

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