Created
April 8, 2013 06:13
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実行中のインスタンスにアタッチされている EBS ボリュームのスナップショットを取って、古いスナップショットを削除する
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ACCESS_KEY = 'YOUR ACCESS KEY' | |
SECRET_KEY = 'YOUR SECRET KEY' | |
MAX_SNAPSHOTS = 5 | |
require 'rubygems' | |
require 'aws-sdk' | |
require 'json' | |
require 'open-uri' | |
config = JSON.parse open('http://169.254.169.254/latest/dynamic/instance-identity/document').read | |
AWS.config access_key_id: ACCESS_KEY, secret_access_key: SECRET_KEY | |
ec2 = AWS::EC2.new | |
ec2 = AWS::EC2.new :ec2_endpoint => ec2.regions[config['region']].endpoint | |
volumes = ec2.volumes.filter('attachment.instance-id', config['instanceId']) | |
volumes.each do |vol| | |
device = vol.attachments.first.device | |
vol.create_snapshot("[#{config['instanceId']}:#{device}] #{Time.now.utc.iso8601} snapshot") | |
ec2.snapshots.with_owner('self').filter('volume-id', vol.id).filter('status', 'completed').to_a.sort{ |a, b| b.start_time <=> a.start_time }[MAX_SNAPSHOTS..-1].each do |ss| | |
ss.delete | |
end | |
end |
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