gistfile1

# Define to do all the things you normally want with an
# EBS volume: create, attach, format, mount.

# This is safely idempotent as it won't create a volume
# if the device exists, and won't create a filesystem if
# the system can recognize it as an XFS filesystem or an 
# ext{2,3,4} filesystem.

define :mydrive_ebs, :size => 50, :device => '/dev/xvdo', :options => 'rw' do

  # 10.xx kernels use sd* to refer to Xen block devices.
  # 12.xx kernels use xvd*
  # Regardless, Amazon use sd*...so substitute where necessary.

  if node[:platform_version] == '10.10'
    params[:device] = params[:device].sub('xvd', 'sd')
  end

  aws_ebs_volume params[:name] do
    aws_access_key        node[:mydrive][:aws_access_key]
    aws_secret_access_key node[:mydrive][:aws_secret_access_key]
    size   params[:size]
    device params[:device].sub('xvd', 'sd') # Mmm, thanks for that, Xen team
    action [:create, :attach]
    not_if { File.exist? params[:device] }
  end

  package "xfsprogs"

  execute "create-#{params[:name]}-xfs-filesystem" do
    command "mkfs.xfs #{params[:device]}"
    not_if  "xfs_admin -l #{params[:device]} || e2label #{params[:device]}"
  end

  directory params[:mountpoint]

  mount params[:mountpoint] do
    device  params[:device]
    fstype  "xfs"
    options params[:options]
    action  [:mount, :enable]
  end

  aws_resource_tag 'set_tag' do
    aws_access_key        node[:mydrive][:aws_access_key]
    aws_secret_access_key node[:mydrive][:aws_secret_access_key]
    resource_id [ "#{node['aws']['ebs_volume']["#{params[:name]}"]['volume_id']}" ]
    tags({"Name" => "#{node['name']}", "do not delete" => "", "Environment" => node.chef_environment})
    subscribes :run, resources(execute: "create-#{params[:name]}-xfs-filesystem")
  end
end