Class: Cumulus::AutoScaling::Manager

Inherits:
Common::Manager show all
Defined in:
lib/autoscaling/manager/Manager.rb

Overview

Public: The main class for the AutoScaling management module

Instance Method Summary collapse

Methods inherited from Common::Manager

#diff, #diff_one, #filter_local, #list, #sync, #sync_one

Constructor Details

#initialize ⇒ Manager

Public: Constructor. Initializes the AWS client.



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# File 'lib/autoscaling/manager/Manager.rb', line 16

def initialize
  super()
  @aws = Aws::AutoScaling::Client.new(Configuration.instance.client)
  @cloudwatch = Aws::CloudWatch::Client.new(Configuration.instance.client)
end

Instance Method Details

#added_diff(local) ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 66

def added_diff(local)
  AutoScalingDiff.added(local)
end

#aws_resources ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 58

def aws_resources
  @aws_resources ||= AutoScaling::named_groups
end

#diff_resource(local, aws) ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 70

def diff_resource(local, aws)
  local.diff(aws, @aws)
end

#local_resources ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 54

def local_resources
  @local_resources ||= Hash[Loader.groups.map { |local| [local.name, local] }]
end

#migrate ⇒ Object

Public: Migrate AWS Autoscaling to Cumulus configuration.



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# File 'lib/autoscaling/manager/Manager.rb', line 23

def migrate
  groups_dir = "#{@migration_root}/groups"

  if !Dir.exists?(@migration_root)
    Dir.mkdir(@migration_root)
  end
  if !Dir.exists?(groups_dir)
    Dir.mkdir(groups_dir)
  end

  aws_resources.each do |name, resource|
    puts "Processing #{name}..."
    config = GroupConfig.new(resource.auto_scaling_group_name)
    config.populate(resource)
    config.populate_scheduled(@aws.describe_scheduled_actions({
      auto_scaling_group_name: resource.auto_scaling_group_name
    }).scheduled_update_group_actions)
    config.populate_policies(@aws.describe_policies({
      auto_scaling_group_name: resource.auto_scaling_group_name
    }).scaling_policies)

    puts "Writing #{resource.auto_scaling_group_name} configuration to file..."
    File.open("#{groups_dir}/#{config.name}.json", 'w') { |f| f.write(config.pretty_json) }
  end

end

#resource_name ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 50

def resource_name
  "AutoScaling Group"
end

#unmanaged_diff(aws) ⇒ Object 



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# File 'lib/autoscaling/manager/Manager.rb', line 62

def unmanaged_diff(aws)
  AutoScalingDiff.unmanaged(aws)
end