documentcloud/lib/tasks/aws.rake at diffdocs · documentcloud/documentcloud · GitHub

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namespace :aws do

desc "Launch a new unconfigured EC2 instance and configure it for documentcloud"

task :new_instance_from_scratch, :instance_type, :needs => :environment do |t,args|

DC::AWS.new.boot_instance({

:type => args.instance_type,

:scripts => [DC::AWS::SCRIPTS[:scratch]]

})

end

desc "Launch a new preconfigured EC2 instance"

task :new_instance, :instance_type, :needs => :environment do |t,args|

DC::AWS.new.boot_instance({

:type => args.instance_type,

:scripts => [DC::AWS::SCRIPTS[:update]]

})

end

desc "Snapshot EBS root and register it as a new AMI"

task :register_ami, :instance_id, :needs => :environment do |t,args|

require 'right_aws'

ec2 = RightAws::Ec2.new(SECRETS['aws_access_key'], SECRETS['aws_secret_key'])

instance = ec2.describe_instances(args.instance_id)[0]

if instance[:aws_state] == 'running'

puts "It is recommended to halt the instance before snapshotting. You have 5 seconds to ctrl-c interrupt."

sleep 5

end

image = ec2.describe_images(instance[:aws_image_id])[0]

volume = ec2.describe_volumes.select {|vol| vol[:aws_instance_id] == args.instance_id}.first

new_snapshot = ec2.create_snapshot volume[:aws_id]

while true do

sleep 2

new_snapshot = ec2.describe_snapshots(new_snapshot[:aws_id])[0]

puts "#{new_snapshot[:aws_id]} status: #{new_snapshot[:aws_status]} progress: #{new_snapshot[:aws_progress]}"

break if new_snapshot[:aws_status] == 'completed'

end

puts "ec2-register --snapshot #{new_snapshot[:aws_id]} --kernel #{instance[:aws_kernel_id]} --ramdisk #{instance[:aws_ramdisk_id]} --description='dcloud revision of #{instance[:aws_image_id]}' --name='#{instance[:aws_image_id]}/#{new_snapshot[:aws_id]}.manifest.xml' --architecture #{image[:aws_architecture]} --root-device-name /dev/sda1"

end

documentcloud/lib/tasks/aws.rake at diffdocs · documentcloud/documentcloud · GitHub

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